./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-73.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_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/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_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-73.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/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_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/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 92c23b1b495fe6d5d0e5f0e986018bf83eef4712bc85d4fbd70c93f80ce9741d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:36:10,026 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:36:10,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:36:10,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:36:10,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:36:10,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:36:10,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:36:10,171 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:36:10,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:36:10,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:36:10,172 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:36:10,172 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:36:10,173 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:36:10,173 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:36:10,173 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:36:10,173 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:36:10,173 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:36:10,173 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:36:10,173 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:36:10,174 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:36:10,174 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:36:10,174 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:36:10,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:36:10,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:36:10,175 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:36:10,175 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:36:10,175 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:36:10,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:36:10,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:36:10,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:36:10,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:36:10,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:36:10,176 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:36:10,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:36:10,176 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:36:10,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:36:10,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:36:10,177 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:36:10,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:36:10,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:36:10,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:36:10,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:36:10,177 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:36:10,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:36:10,178 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:36:10,178 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:36:10,178 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:36:10,179 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_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/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 -> 92c23b1b495fe6d5d0e5f0e986018bf83eef4712bc85d4fbd70c93f80ce9741d [2024-11-14 05:36:10,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:36:10,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:36:10,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:36:10,561 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:36:10,562 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:36:10,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-73.i Unable to find full path for "g++" [2024-11-14 05:36:12,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:36:12,873 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:36:12,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-73.i [2024-11-14 05:36:12,890 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/data/46d2d84e6/459eb9412f7141308d3aa86597477a14/FLAGf7d8651b5 [2024-11-14 05:36:12,907 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/data/46d2d84e6/459eb9412f7141308d3aa86597477a14 [2024-11-14 05:36:12,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:36:12,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:36:12,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:36:12,913 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:36:12,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:36:12,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:36:12" (1/1) ... [2024-11-14 05:36:12,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1c10c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:12, skipping insertion in model container [2024-11-14 05:36:12,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:36:12" (1/1) ... [2024-11-14 05:36:12,943 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:36:13,091 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_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-73.i[919,932] [2024-11-14 05:36:13,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:36:13,179 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:36:13,190 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_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-73.i[919,932] [2024-11-14 05:36:13,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:36:13,246 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:36:13,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:13 WrapperNode [2024-11-14 05:36:13,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:36:13,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:36:13,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:36:13,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:36:13,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:13" (1/1) ... [2024-11-14 05:36:13,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:13" (1/1) ... [2024-11-14 05:36:13,306 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 234 [2024-11-14 05:36:13,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:36:13,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:36:13,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:36:13,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:36:13,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:13" (1/1) ... [2024-11-14 05:36:13,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:13" (1/1) ... [2024-11-14 05:36:13,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:13" (1/1) ... [2024-11-14 05:36:13,322 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:13" (1/1) ... [2024-11-14 05:36:13,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:13" (1/1) ... [2024-11-14 05:36:13,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:13" (1/1) ... [2024-11-14 05:36:13,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:13" (1/1) ... [2024-11-14 05:36:13,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:13" (1/1) ... [2024-11-14 05:36:13,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:36:13,347 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:36:13,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:36:13,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:36:13,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:13" (1/1) ... [2024-11-14 05:36:13,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:36:13,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:36:13,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:36:13,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:36:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:36:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:36:13,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:36:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:36:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:36:13,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:36:13,531 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:36:13,533 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:36:14,148 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 05:36:14,148 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:36:14,549 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:36:14,550 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:36:14,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:36:14 BoogieIcfgContainer [2024-11-14 05:36:14,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:36:14,555 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:36:14,555 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:36:14,562 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:36:14,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:36:12" (1/3) ... [2024-11-14 05:36:14,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba2014b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:36:14, skipping insertion in model container [2024-11-14 05:36:14,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:13" (2/3) ... [2024-11-14 05:36:14,564 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba2014b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:36:14, skipping insertion in model container [2024-11-14 05:36:14,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:36:14" (3/3) ... [2024-11-14 05:36:14,566 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-73.i [2024-11-14 05:36:14,587 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:36:14,588 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-73.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:36:14,668 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:36:14,686 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;@2aa423de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:36:14,686 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:36:14,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 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 05:36:14,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-14 05:36:14,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:14,708 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] [2024-11-14 05:36:14,709 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:36:14,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:14,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1431935438, now seen corresponding path program 1 times [2024-11-14 05:36:14,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:36:14,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299022369] [2024-11-14 05:36:14,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:14,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:36:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:36:15,717 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:36:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:36:16,196 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:36:16,199 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:36:16,201 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:36:16,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:36:16,211 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:36:16,412 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:36:16,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:36:16 BoogieIcfgContainer [2024-11-14 05:36:16,419 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:36:16,420 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:36:16,420 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:36:16,420 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:36:16,421 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:36:14" (3/4) ... [2024-11-14 05:36:16,425 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:36:16,426 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:36:16,427 INFO L158 Benchmark]: Toolchain (without parser) took 3516.17ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 118.7MB in the beginning and 384.0MB in the end (delta: -265.3MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-11-14 05:36:16,427 INFO L158 Benchmark]: CDTParser took 1.29ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:36:16,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.05ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 103.2MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:36:16,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.31ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 100.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:36:16,428 INFO L158 Benchmark]: Boogie Preprocessor took 39.64ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 98.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:36:16,429 INFO L158 Benchmark]: RCFGBuilder took 1203.39ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 101.6MB in the end (delta: -3.4MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2024-11-14 05:36:16,433 INFO L158 Benchmark]: TraceAbstraction took 1864.29ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 100.8MB in the beginning and 384.0MB in the end (delta: -283.2MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2024-11-14 05:36:16,434 INFO L158 Benchmark]: Witness Printer took 5.76ms. Allocated memory is still 427.8MB. Free memory was 384.0MB in the beginning and 384.0MB in the end (delta: 17.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:36:16,435 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.05ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 103.2MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.31ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 100.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.64ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 98.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1203.39ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 101.6MB in the end (delta: -3.4MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1864.29ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 100.8MB in the beginning and 384.0MB in the end (delta: -283.2MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. * Witness Printer took 5.76ms. Allocated memory is still 427.8MB. Free memory was 384.0MB in the beginning and 384.0MB in the end (delta: 17.6kB). 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 84, overapproximation of someBinaryFLOATComparisonOperation at line 201, overapproximation of bitwiseAnd at line 123, overapproximation of someBinaryDOUBLEComparisonOperation at line 153, overapproximation of someBinaryDOUBLEComparisonOperation at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 65, overapproximation of someBinaryDOUBLEComparisonOperation at line 156, overapproximation of someBinaryDOUBLEComparisonOperation at line 151, overapproximation of someBinaryDOUBLEComparisonOperation at line 154, overapproximation of someBinaryDOUBLEComparisonOperation at line 149, overapproximation of someBinaryDOUBLEComparisonOperation at line 157. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 7.325; [L23] double var_1_3 = 63.8; [L24] double var_1_4 = 256.6; [L25] double var_1_5 = 2.375; [L26] double var_1_6 = 25.8; [L27] unsigned char var_1_7 = 1; [L28] double var_1_8 = 1.5; [L29] unsigned long int var_1_9 = 32; [L30] unsigned long int var_1_10 = 3567543019; [L31] float var_1_12 = 31.875; [L32] signed long int var_1_13 = 128; [L33] unsigned char var_1_16 = 4; [L34] unsigned char var_1_18 = 16; [L35] signed long int var_1_19 = 64; [L36] unsigned char var_1_20 = 0; [L37] signed long int var_1_21 = 1897833385; [L38] unsigned char var_1_22 = 2; [L39] signed char var_1_23 = -5; [L40] signed char var_1_24 = -4; [L41] signed char var_1_25 = 2; [L42] signed long int var_1_26 = -1000000; [L43] double var_1_27 = 31.6; [L44] unsigned char var_1_32 = 10; [L45] signed char var_1_33 = -64; [L46] unsigned char var_1_35 = 10; [L47] unsigned char var_1_36 = 128; [L48] unsigned char var_1_37 = 1; [L49] signed long int var_1_38 = 16; [L50] float var_1_41 = 64.6; [L51] signed short int var_1_42 = 1; [L52] signed char var_1_43 = 1; [L53] signed char var_1_45 = 0; [L54] signed char var_1_46 = 5; [L55] float last_1_var_1_12 = 31.875; [L56] signed long int last_1_var_1_13 = 128; [L57] unsigned char last_1_var_1_16 = 4; [L58] signed long int last_1_var_1_19 = 64; [L205] isInitial = 1 [L206] FCALL initially() [L207] COND TRUE 1 [L208] CALL updateLastVariables() [L195] last_1_var_1_12 = var_1_12 [L196] last_1_var_1_13 = var_1_13 [L197] last_1_var_1_16 = var_1_16 [L198] last_1_var_1_19 = var_1_19 [L208] RET updateLastVariables() [L209] CALL updateVariables() [L148] var_1_3 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_3 >= 0.0F && 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_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_4=1283/5, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_3 >= 0.0F && 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_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_4=1283/5, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L150] var_1_4 = __VERIFIER_nondet_double() [L151] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L152] var_1_5 = __VERIFIER_nondet_double() [L153] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L154] CALL assume_abort_if_not(var_1_5 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_5 != 0.0F) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L155] var_1_6 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L157] CALL assume_abort_if_not(var_1_6 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_6 != 0.0F) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L158] var_1_7 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_8=3/2, var_1_9=32] [L160] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L161] var_1_8 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L163] var_1_10 = __VERIFIER_nondet_ulong() [L164] CALL assume_abort_if_not(var_1_10 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_10 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L165] CALL assume_abort_if_not(var_1_10 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_10 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L166] var_1_18 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L168] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L169] var_1_20 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L171] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L172] var_1_21 = __VERIFIER_nondet_long() [L173] CALL assume_abort_if_not(var_1_21 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_21 >= 1073741823) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L174] CALL assume_abort_if_not(var_1_21 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_21 <= 2147483646) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L175] var_1_24 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_24 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_24 >= -126) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L177] CALL assume_abort_if_not(var_1_24 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_24 <= 126) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=2, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L178] var_1_25 = __VERIFIER_nondet_char() [L179] CALL assume_abort_if_not(var_1_25 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=-125, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_25 >= -126) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=-125, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L180] CALL assume_abort_if_not(var_1_25 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=-125, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_25 <= 126) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=-125, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L181] var_1_36 = __VERIFIER_nondet_uchar() [L182] CALL assume_abort_if_not(var_1_36 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=-125, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_36 >= 127) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=-125, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L183] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=-125, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=-125, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=1, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L184] var_1_37 = __VERIFIER_nondet_uchar() [L185] CALL assume_abort_if_not(var_1_37 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=-125, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_37 >= 0) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=-125, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L186] CALL assume_abort_if_not(var_1_37 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=-125, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=0, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_37 <= 127) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=-125, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=0, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=0, var_1_46=5, var_1_7=1, var_1_9=32] [L187] var_1_45 = __VERIFIER_nondet_char() [L188] CALL assume_abort_if_not(var_1_45 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=-125, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=0, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=-63, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_45 >= -63) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=-125, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=0, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=-63, var_1_46=5, var_1_7=1, var_1_9=32] [L189] CALL assume_abort_if_not(var_1_45 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=-125, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=0, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=-63, var_1_46=5, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_45 <= 63) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=-125, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=0, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=-63, var_1_46=5, var_1_7=1, var_1_9=32] [L190] var_1_46 = __VERIFIER_nondet_char() [L191] CALL assume_abort_if_not(var_1_46 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=-125, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=0, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=-63, var_1_46=-63, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_46 >= -63) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=-125, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=0, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=-63, var_1_46=-63, var_1_7=1, var_1_9=32] [L192] CALL assume_abort_if_not(var_1_46 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=-125, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=0, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=-63, var_1_46=-63, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_46 <= 63) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=254, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1073741823, var_1_22=2, var_1_23=-5, var_1_24=1, var_1_25=-125, var_1_26=-1000000, var_1_27=158/5, var_1_32=10, var_1_33=-64, var_1_35=10, var_1_36=128, var_1_37=0, var_1_38=16, var_1_41=323/5, var_1_42=1, var_1_43=1, var_1_45=-63, var_1_46=-63, var_1_7=1, var_1_9=32] [L209] RET updateVariables() [L210] CALL step() [L62] COND TRUE (((((last_1_var_1_19 / 2)) > ((~ last_1_var_1_16))) ? ((last_1_var_1_19 / 2)) : ((~ last_1_var_1_16)))) <= var_1_10 [L63] var_1_12 = var_1_8 [L65] COND FALSE !(var_1_12 > ((var_1_3 - var_1_4) / ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) [L72] var_1_1 = var_1_8 [L74] COND FALSE !(var_1_3 >= (last_1_var_1_12 * var_1_4)) [L77] var_1_22 = ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) [L78] COND TRUE var_1_1 > var_1_5 [L79] var_1_23 = (((((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) < 0 ) ? -((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) : ((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))) [L83] var_1_26 = var_1_25 [L84] EXPR var_1_26 >> var_1_10 [L84] signed long int stepLocal_0 = var_1_26 >> var_1_10; [L85] COND TRUE stepLocal_0 < last_1_var_1_13 [L86] var_1_13 = ((((var_1_26) < (var_1_22)) ? (var_1_26) : (var_1_22))) [L88] COND FALSE !(var_1_1 < (var_1_4 - var_1_3)) [L91] COND TRUE var_1_7 && var_1_20 [L92] var_1_19 = ((1827081742 - var_1_13) - (var_1_21 - (var_1_18 + var_1_16))) [L100] COND FALSE !(var_1_20 && (var_1_13 > var_1_19)) [L103] COND FALSE !(var_1_13 == var_1_19) [L109] var_1_32 = 2 [L110] var_1_33 = var_1_25 [L111] COND TRUE var_1_8 > 255.375 [L112] var_1_35 = (var_1_36 - var_1_37) [L116] COND TRUE \read(var_1_7) [L117] COND TRUE var_1_7 || (var_1_25 < var_1_18) [L118] var_1_38 = ((((var_1_36) < (var_1_25)) ? (var_1_36) : (var_1_25))) [L123] EXPR var_1_26 & var_1_36 [L123] COND FALSE !(4u < (var_1_26 & var_1_36)) [L126] COND TRUE var_1_26 >= var_1_13 [L127] var_1_41 = var_1_8 [L130] COND FALSE !((- var_1_6) < var_1_8) [L133] COND TRUE \read(var_1_7) [L134] COND FALSE !(var_1_13 > var_1_21) [L137] var_1_43 = (var_1_45 + var_1_46) [L210] RET step() [L211] CALL, EXPR property() [L201] EXPR ((((var_1_12 > ((var_1_3 - var_1_4) / ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_7 ? (var_1_1 == ((double) var_1_8)) : (var_1_1 == ((double) var_1_8))) : (var_1_1 == ((double) var_1_8))) && ((var_1_1 < (var_1_4 - var_1_3)) ? (var_1_9 == ((unsigned long int) (var_1_10 - var_1_16))) : 1)) && (((((((last_1_var_1_19 / 2)) > ((~ last_1_var_1_16))) ? ((last_1_var_1_19 / 2)) : ((~ last_1_var_1_16)))) <= var_1_10) ? (var_1_12 == ((float) var_1_8)) : 1)) && (((var_1_26 >> var_1_10) < last_1_var_1_13) ? (var_1_13 == ((signed long int) ((((var_1_26) < (var_1_22)) ? (var_1_26) : (var_1_22))))) : 1) [L201-L202] return (((((((((var_1_12 > ((var_1_3 - var_1_4) / ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_7 ? (var_1_1 == ((double) var_1_8)) : (var_1_1 == ((double) var_1_8))) : (var_1_1 == ((double) var_1_8))) && ((var_1_1 < (var_1_4 - var_1_3)) ? (var_1_9 == ((unsigned long int) (var_1_10 - var_1_16))) : 1)) && (((((((last_1_var_1_19 / 2)) > ((~ last_1_var_1_16))) ? ((last_1_var_1_19 / 2)) : ((~ last_1_var_1_16)))) <= var_1_10) ? (var_1_12 == ((float) var_1_8)) : 1)) && (((var_1_26 >> var_1_10) < last_1_var_1_13) ? (var_1_13 == ((signed long int) ((((var_1_26) < (var_1_22)) ? (var_1_26) : (var_1_22))))) : 1)) && ((var_1_3 >= (last_1_var_1_12 * var_1_4)) ? (var_1_16 == ((unsigned char) var_1_18)) : 1)) && ((var_1_7 && var_1_20) ? (var_1_19 == ((signed long int) ((1827081742 - var_1_13) - (var_1_21 - (var_1_18 + var_1_16))))) : ((2u >= ((((var_1_21) > (var_1_9)) ? (var_1_21) : (var_1_9)))) ? (var_1_19 == ((signed long int) var_1_22)) : (var_1_19 == ((signed long int) var_1_22))))) && (var_1_22 == ((unsigned char) ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))))) && ((var_1_1 > var_1_5) ? (var_1_23 == ((signed char) (((((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) < 0 ) ? -((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) : ((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))))) : (var_1_23 == ((signed char) var_1_24)))) && (var_1_26 == ((signed long int) var_1_25)) ; [L211] RET, EXPR property() [L211] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=323/5, var_1_13=-125, var_1_16=4, var_1_18=254, var_1_19=753340302, var_1_1=323/5, var_1_20=1, var_1_21=1073741823, var_1_22=254, var_1_23=125, var_1_24=1, var_1_25=-125, var_1_26=-125, var_1_27=158/5, var_1_32=2, var_1_33=-125, var_1_35=128, var_1_36=128, var_1_37=0, var_1_38=-125, var_1_41=323/5, var_1_42=1, var_1_43=-126, var_1_45=-63, var_1_46=-63, var_1_7=1, var_1_8=323/5, var_1_9=32] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=4294967294, var_1_12=323/5, var_1_13=-125, var_1_16=4, var_1_18=254, var_1_19=753340302, var_1_1=323/5, var_1_20=1, var_1_21=1073741823, var_1_22=254, var_1_23=125, var_1_24=1, var_1_25=-125, var_1_26=-125, var_1_27=158/5, var_1_32=2, var_1_33=-125, var_1_35=128, var_1_36=128, var_1_37=0, var_1_38=-125, var_1_41=323/5, var_1_42=1, var_1_43=-126, var_1_45=-63, var_1_46=-63, var_1_7=1, var_1_8=323/5, var_1_9=32] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, 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=54occurred 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, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 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 05:36:16,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/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_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/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_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-73.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/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_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/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 92c23b1b495fe6d5d0e5f0e986018bf83eef4712bc85d4fbd70c93f80ce9741d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:36:19,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:36:19,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:36:19,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:36:19,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:36:19,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:36:19,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:36:19,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:36:19,450 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:36:19,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:36:19,451 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:36:19,452 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:36:19,453 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:36:19,453 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:36:19,453 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:36:19,453 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:36:19,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:36:19,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:36:19,454 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:36:19,454 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:36:19,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:36:19,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:36:19,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:36:19,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:36:19,455 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:36:19,455 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:36:19,455 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:36:19,455 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:36:19,456 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:36:19,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:36:19,457 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:36:19,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:36:19,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:36:19,457 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:36:19,458 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:36:19,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:36:19,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:36:19,458 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:36:19,458 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:36:19,459 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:36:19,459 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:36:19,459 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:36:19,459 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:36:19,459 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_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/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 -> 92c23b1b495fe6d5d0e5f0e986018bf83eef4712bc85d4fbd70c93f80ce9741d [2024-11-14 05:36:19,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:36:19,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:36:19,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:36:19,831 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:36:19,831 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:36:19,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-73.i Unable to find full path for "g++" [2024-11-14 05:36:21,815 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:36:22,046 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:36:22,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-73.i [2024-11-14 05:36:22,056 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/data/205726d76/ca5c3085773241deb7a3f75d268bbce8/FLAGcf0d911de [2024-11-14 05:36:22,074 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/data/205726d76/ca5c3085773241deb7a3f75d268bbce8 [2024-11-14 05:36:22,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:36:22,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:36:22,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:36:22,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:36:22,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:36:22,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:36:22" (1/1) ... [2024-11-14 05:36:22,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec8500e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:22, skipping insertion in model container [2024-11-14 05:36:22,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:36:22" (1/1) ... [2024-11-14 05:36:22,104 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:36:22,283 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_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-73.i[919,932] [2024-11-14 05:36:22,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:36:22,407 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:36:22,418 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_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-73.i[919,932] [2024-11-14 05:36:22,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:36:22,506 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:36:22,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:22 WrapperNode [2024-11-14 05:36:22,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:36:22,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:36:22,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:36:22,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:36:22,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:22" (1/1) ... [2024-11-14 05:36:22,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:22" (1/1) ... [2024-11-14 05:36:22,582 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2024-11-14 05:36:22,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:36:22,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:36:22,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:36:22,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:36:22,599 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:22" (1/1) ... [2024-11-14 05:36:22,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:22" (1/1) ... [2024-11-14 05:36:22,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:22" (1/1) ... [2024-11-14 05:36:22,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:22" (1/1) ... [2024-11-14 05:36:22,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:22" (1/1) ... [2024-11-14 05:36:22,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:22" (1/1) ... [2024-11-14 05:36:22,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:22" (1/1) ... [2024-11-14 05:36:22,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:22" (1/1) ... [2024-11-14 05:36:22,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:36:22,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:36:22,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:36:22,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:36:22,646 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:22" (1/1) ... [2024-11-14 05:36:22,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:36:22,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:36:22,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:36:22,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:36:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:36:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:36:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:36:22,737 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:36:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:36:22,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:36:22,881 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:36:22,883 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:36:35,671 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-14 05:36:35,671 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:36:35,692 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:36:35,692 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:36:35,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:36:35 BoogieIcfgContainer [2024-11-14 05:36:35,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:36:35,696 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:36:35,697 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:36:35,703 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:36:35,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:36:22" (1/3) ... [2024-11-14 05:36:35,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c417eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:36:35, skipping insertion in model container [2024-11-14 05:36:35,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:22" (2/3) ... [2024-11-14 05:36:35,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c417eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:36:35, skipping insertion in model container [2024-11-14 05:36:35,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:36:35" (3/3) ... [2024-11-14 05:36:35,706 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-73.i [2024-11-14 05:36:35,724 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:36:35,728 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-73.i that has 2 procedures, 88 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:36:35,810 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:36:35,830 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;@35789d77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:36:35,831 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:36:35,837 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 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 05:36:35,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-14 05:36:35,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:35,852 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 05:36:35,853 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:36:35,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:35,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1277182118, now seen corresponding path program 1 times [2024-11-14 05:36:35,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:36:35,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2001313652] [2024-11-14 05:36:35,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:35,870 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:36:35,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:36:35,873 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:36:35,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/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 05:36:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:37,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:36:37,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:37,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 516 proven. 0 refuted. 0 times theorem prover too weak. 1108 trivial. 0 not checked. [2024-11-14 05:36:37,550 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:36:37,550 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:36:37,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2001313652] [2024-11-14 05:36:37,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2001313652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:36:37,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:36:37,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:36:37,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176539523] [2024-11-14 05:36:37,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:36:37,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:36:37,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:36:37,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:36:37,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:36:37,606 INFO L87 Difference]: Start difference. First operand has 88 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 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 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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 05:36:37,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:36:37,655 INFO L93 Difference]: Finished difference Result 169 states and 303 transitions. [2024-11-14 05:36:37,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:36:37,657 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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 187 [2024-11-14 05:36:37,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:36:37,665 INFO L225 Difference]: With dead ends: 169 [2024-11-14 05:36:37,666 INFO L226 Difference]: Without dead ends: 84 [2024-11-14 05:36:37,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 186 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 05:36:37,674 INFO L432 NwaCegarLoop]: 133 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, 133 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 05:36:37,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:36:37,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-14 05:36:37,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-14 05:36:37,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 53 states have internal predecessors, (75), 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 05:36:37,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 133 transitions. [2024-11-14 05:36:37,729 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 133 transitions. Word has length 187 [2024-11-14 05:36:37,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:36:37,730 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 133 transitions. [2024-11-14 05:36:37,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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 05:36:37,730 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 133 transitions. [2024-11-14 05:36:37,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-14 05:36:37,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:37,735 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 05:36:37,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/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 05:36:37,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:36:37,936 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:36:37,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:37,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1713055644, now seen corresponding path program 1 times [2024-11-14 05:36:37,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:36:37,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [402513854] [2024-11-14 05:36:37,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:37,938 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:36:37,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:36:37,943 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:36:37,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/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 05:36:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:39,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:36:39,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:45,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 730 proven. 57 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-14 05:36:45,076 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:36:45,753 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:36:45,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [402513854] [2024-11-14 05:36:45,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [402513854] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:36:45,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [853681257] [2024-11-14 05:36:45,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:45,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:36:45,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:36:45,765 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:36:45,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 05:36:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:46,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 05:36:46,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:46,786 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 05:36:46,786 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:36:46,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [853681257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:36:46,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:36:46,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-14 05:36:46,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996371160] [2024-11-14 05:36:46,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:36:46,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:36:46,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:36:46,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:36:46,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:36:46,791 INFO L87 Difference]: Start difference. First operand 84 states and 133 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 05:36:49,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:36:51,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:36:51,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:36:51,123 INFO L93 Difference]: Finished difference Result 205 states and 323 transitions. [2024-11-14 05:36:51,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:36:51,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 187 [2024-11-14 05:36:51,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:36:51,170 INFO L225 Difference]: With dead ends: 205 [2024-11-14 05:36:51,170 INFO L226 Difference]: Without dead ends: 124 [2024-11-14 05:36:51,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:36:51,172 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 56 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:36:51,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 255 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 12 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2024-11-14 05:36:51,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-14 05:36:51,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 121. [2024-11-14 05:36:51,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 84 states have internal predecessors, (118), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-14 05:36:51,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 188 transitions. [2024-11-14 05:36:51,217 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 188 transitions. Word has length 187 [2024-11-14 05:36:51,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:36:51,218 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 188 transitions. [2024-11-14 05:36:51,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 05:36:51,219 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 188 transitions. [2024-11-14 05:36:51,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-14 05:36:51,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:51,226 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 05:36:51,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 05:36:51,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-14 05:36:51,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:36:51,627 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:36:51,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:51,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1533766555, now seen corresponding path program 1 times [2024-11-14 05:36:51,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:36:51,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305006000] [2024-11-14 05:36:51,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:51,629 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:36:51,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:36:51,632 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:36:51,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/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 05:36:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:53,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:36:53,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:58,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 730 proven. 57 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-14 05:36:58,326 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:36:58,911 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:36:58,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305006000] [2024-11-14 05:36:58,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [305006000] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:36:58,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1146655346] [2024-11-14 05:36:58,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:58,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:36:58,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:36:58,914 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:36:58,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-14 05:37:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:01,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 05:37:01,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:37:04,670 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 05:37:04,670 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:37:04,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1146655346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:37:04,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:37:04,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-14 05:37:04,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483640672] [2024-11-14 05:37:04,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:37:04,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:37:04,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:37:04,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:37:04,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-14 05:37:04,673 INFO L87 Difference]: Start difference. First operand 121 states and 188 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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 05:37:09,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:11,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:37:13,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:15,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:37:17,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:19,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:19,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:19,512 INFO L93 Difference]: Finished difference Result 348 states and 543 transitions. [2024-11-14 05:37:19,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:37:19,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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 188 [2024-11-14 05:37:19,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:19,578 INFO L225 Difference]: With dead ends: 348 [2024-11-14 05:37:19,578 INFO L226 Difference]: Without dead ends: 230 [2024-11-14 05:37:19,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-14 05:37:19,584 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 78 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 59 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:19,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 437 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 82 Invalid, 6 Unknown, 0 Unchecked, 14.6s Time] [2024-11-14 05:37:19,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-14 05:37:19,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 189. [2024-11-14 05:37:19,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 120 states have (on average 1.35) internal successors, (162), 121 states have internal predecessors, (162), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-14 05:37:19,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 290 transitions. [2024-11-14 05:37:19,637 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 290 transitions. Word has length 188 [2024-11-14 05:37:19,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:37:19,641 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 290 transitions. [2024-11-14 05:37:19,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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 05:37:19,642 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 290 transitions. [2024-11-14 05:37:19,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-14 05:37:19,649 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:19,649 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 05:37:19,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-14 05:37:19,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-14 05:37:20,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/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_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 05:37:20,051 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:37:20,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:20,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1740132387, now seen corresponding path program 1 times [2024-11-14 05:37:20,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:37:20,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2073706700] [2024-11-14 05:37:20,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:20,052 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:37:20,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:37:20,057 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:37:20,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-14 05:37:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:21,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:37:21,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:37:25,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 730 proven. 57 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-14 05:37:25,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:37:26,577 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:37:26,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2073706700] [2024-11-14 05:37:26,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2073706700] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:37:26,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1309093130] [2024-11-14 05:37:26,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:26,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:37:26,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:37:26,580 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:37:26,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-14 05:37:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:29,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 05:37:29,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:37:33,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 730 proven. 57 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-14 05:37:33,890 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:37:34,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1309093130] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:37:34,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916536113] [2024-11-14 05:37:34,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:34,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:37:34,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:37:34,266 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:37:34,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-14 05:37:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:37:35,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:37:35,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:37:39,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 730 proven. 57 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-14 05:37:39,189 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:37:39,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916536113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:37:39,597 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:37:39,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2024-11-14 05:37:39,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161788729] [2024-11-14 05:37:39,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 05:37:39,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 05:37:39,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:37:39,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 05:37:39,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-14 05:37:39,600 INFO L87 Difference]: Start difference. First operand 189 states and 290 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-14 05:37:44,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:46,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:48,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:49,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:52,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:54,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:56,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:58,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:37:58,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:37:58,792 INFO L93 Difference]: Finished difference Result 366 states and 564 transitions. [2024-11-14 05:37:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 05:37:58,858 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 188 [2024-11-14 05:37:58,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:37:58,861 INFO L225 Difference]: With dead ends: 366 [2024-11-14 05:37:58,861 INFO L226 Difference]: Without dead ends: 236 [2024-11-14 05:37:58,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 627 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2024-11-14 05:37:58,873 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 96 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 82 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2024-11-14 05:37:58,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 584 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 194 Invalid, 7 Unknown, 0 Unchecked, 18.5s Time] [2024-11-14 05:37:58,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-14 05:37:58,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 193. [2024-11-14 05:37:58,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 123 states have (on average 1.3333333333333333) internal successors, (164), 124 states have internal predecessors, (164), 64 states have call successors, (64), 5 states have call predecessors, (64), 5 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-14 05:37:58,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 292 transitions. [2024-11-14 05:37:58,964 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 292 transitions. Word has length 188 [2024-11-14 05:37:58,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:37:58,965 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 292 transitions. [2024-11-14 05:37:58,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-14 05:37:58,965 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 292 transitions. [2024-11-14 05:37:58,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-14 05:37:58,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:37:58,979 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 05:37:59,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-14 05:37:59,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-14 05:37:59,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-14 05:37:59,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:37:59,580 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:37:59,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:37:59,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1958987105, now seen corresponding path program 1 times [2024-11-14 05:37:59,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:37:59,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1651101556] [2024-11-14 05:37:59,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:37:59,582 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:37:59,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:37:59,592 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:37:59,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748ba8d6-8516-45f0-b29a-cb9b51ddd9d3/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 (10)] Waiting until timeout for monitored process [2024-11-14 05:38:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:01,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-14 05:38:01,326 INFO L278 TraceCheckSpWp]: Computing forward predicates...