./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.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_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/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_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/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_9d39755d-8ef1-4ee8-81dd-9f332765439b/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 fcab9d14a39efb8d0bba4b7e607a800a4978f63d5ac50f5af469476854f605eb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:23:07,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:23:07,719 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:23:07,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:23:07,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:23:07,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:23:07,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:23:07,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:23:07,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:23:07,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:23:07,757 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:23:07,757 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:23:07,757 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:23:07,757 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:23:07,757 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:23:07,758 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:23:07,758 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:23:07,758 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:23:07,758 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:23:07,758 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:23:07,758 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:23:07,758 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:23:07,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:23:07,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:23:07,759 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:23:07,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:23:07,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:23:07,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:23:07,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:23:07,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:23:07,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:23:07,761 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:23:07,761 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:23:07,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:23:07,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:23:07,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:23:07,761 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:23:07,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:23:07,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:23:07,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:23:07,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:23:07,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:23:07,762 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:23:07,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:23:07,762 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:23:07,762 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:23:07,763 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:23:07,763 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_9d39755d-8ef1-4ee8-81dd-9f332765439b/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 -> fcab9d14a39efb8d0bba4b7e607a800a4978f63d5ac50f5af469476854f605eb [2024-11-14 03:23:08,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:23:08,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:23:08,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:23:08,104 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:23:08,105 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:23:08,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.i Unable to find full path for "g++" [2024-11-14 03:23:10,105 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:23:10,467 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:23:10,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.i [2024-11-14 03:23:10,498 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/data/b392be9be/32266d65603c4fa791b0dd4549bf7bd3/FLAGba5ad6083 [2024-11-14 03:23:10,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/data/b392be9be/32266d65603c4fa791b0dd4549bf7bd3 [2024-11-14 03:23:10,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:23:10,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:23:10,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:23:10,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:23:10,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:23:10,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:10,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b252954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10, skipping insertion in model container [2024-11-14 03:23:10,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:10,575 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:23:10,779 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_9d39755d-8ef1-4ee8-81dd-9f332765439b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.i[914,927] [2024-11-14 03:23:10,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:23:10,907 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:23:10,918 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_9d39755d-8ef1-4ee8-81dd-9f332765439b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.i[914,927] [2024-11-14 03:23:10,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:23:10,976 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:23:10,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10 WrapperNode [2024-11-14 03:23:10,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:23:10,979 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:23:10,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:23:10,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:23:10,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:11,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:11,071 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 234 [2024-11-14 03:23:11,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:23:11,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:23:11,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:23:11,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:23:11,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:11,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:11,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:11,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:11,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:11,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:11,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:11,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:11,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:23:11,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:23:11,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:23:11,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:23:11,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:11,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:23:11,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:23:11,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:23:11,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:23:11,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:23:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:23:11,208 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:23:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:23:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:23:11,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:23:11,328 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:23:11,330 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:23:11,964 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-14 03:23:11,964 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:23:12,434 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:23:12,435 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:23:12,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:23:12 BoogieIcfgContainer [2024-11-14 03:23:12,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:23:12,439 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:23:12,440 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:23:12,446 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:23:12,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:23:10" (1/3) ... [2024-11-14 03:23:12,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d29363b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:23:12, skipping insertion in model container [2024-11-14 03:23:12,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (2/3) ... [2024-11-14 03:23:12,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d29363b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:23:12, skipping insertion in model container [2024-11-14 03:23:12,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:23:12" (3/3) ... [2024-11-14 03:23:12,449 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-3.i [2024-11-14 03:23:12,470 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:23:12,472 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-3.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:23:12,554 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:23:12,568 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;@6a4e9b55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:23:12,568 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:23:12,573 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-14 03:23:12,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-14 03:23:12,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:23:12,587 INFO L215 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:23:12,588 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:23:12,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:23:12,594 INFO L85 PathProgramCache]: Analyzing trace with hash 403014607, now seen corresponding path program 1 times [2024-11-14 03:23:12,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:23:12,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080416295] [2024-11-14 03:23:12,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:23:12,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:23:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:23:13,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2003451451] [2024-11-14 03:23:13,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:23:13,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:23:13,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:23:13,287 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:23:13,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:23:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:23:13,840 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:23:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:23:14,122 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:23:14,124 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:23:14,127 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:23:14,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 03:23:14,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 03:23:14,334 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:23:14,423 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:23:14,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:23:14 BoogieIcfgContainer [2024-11-14 03:23:14,427 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:23:14,428 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:23:14,428 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:23:14,429 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:23:14,429 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:23:12" (3/4) ... [2024-11-14 03:23:14,432 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:23:14,433 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:23:14,434 INFO L158 Benchmark]: Toolchain (without parser) took 3897.52ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 67.9MB in the end (delta: 51.1MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2024-11-14 03:23:14,435 INFO L158 Benchmark]: CDTParser took 1.77ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:23:14,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.91ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 103.3MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:23:14,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.84ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 98.6MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:23:14,436 INFO L158 Benchmark]: Boogie Preprocessor took 45.69ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 96.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:23:14,436 INFO L158 Benchmark]: RCFGBuilder took 1317.65ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 78.7MB in the end (delta: 18.1MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2024-11-14 03:23:14,437 INFO L158 Benchmark]: TraceAbstraction took 1988.11ms. Allocated memory is still 142.6MB. Free memory was 77.9MB in the beginning and 68.7MB in the end (delta: 9.3MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-11-14 03:23:14,437 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 142.6MB. Free memory was 68.7MB in the beginning and 67.9MB in the end (delta: 784.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:23:14,440 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.77ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.91ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 103.3MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.84ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 98.6MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.69ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 96.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1317.65ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 78.7MB in the end (delta: 18.1MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1988.11ms. Allocated memory is still 142.6MB. Free memory was 77.9MB in the beginning and 68.7MB in the end (delta: 9.3MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 142.6MB. Free memory was 68.7MB in the beginning and 67.9MB in the end (delta: 784.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 155, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of bitwiseOr at line 62, overapproximation of someBinaryDOUBLEComparisonOperation at line 133, overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 132, overapproximation of someBinaryDOUBLEComparisonOperation at line 135. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -64; [L23] unsigned char var_1_3 = 1; [L24] signed char var_1_5 = -32; [L25] unsigned short int var_1_6 = 256; [L26] unsigned long int var_1_10 = 256; [L27] double var_1_12 = 8.2; [L28] signed char var_1_13 = 16; [L29] signed char var_1_14 = 10; [L30] double var_1_15 = 199.125; [L31] double var_1_16 = 9.4; [L32] double var_1_17 = 9999999999999.6; [L33] unsigned char var_1_20 = 32; [L34] unsigned char var_1_21 = 128; [L35] unsigned char var_1_22 = 64; [L36] unsigned long int var_1_23 = 64; [L37] unsigned long int var_1_24 = 5; [L38] unsigned short int var_1_25 = 2; [L39] unsigned short int var_1_26 = 1; [L40] unsigned short int var_1_27 = 64; [L41] signed long int var_1_28 = -4; [L42] unsigned long int var_1_29 = 10; [L43] unsigned char var_1_30 = 4; [L44] unsigned char var_1_31 = 16; [L45] signed long int var_1_32 = 8; [L46] float var_1_33 = 24.55; [L47] signed long int var_1_34 = 5; [L48] unsigned short int var_1_35 = 256; [L49] unsigned char var_1_36 = 0; [L50] unsigned long int last_1_var_1_10 = 256; [L51] unsigned char last_1_var_1_20 = 32; [L172] isInitial = 1 [L173] FCALL initially() [L174] COND TRUE 1 [L175] CALL updateLastVariables() [L164] last_1_var_1_10 = var_1_10 [L165] last_1_var_1_20 = var_1_20 [L175] RET updateLastVariables() [L176] CALL updateVariables() [L119] var_1_3 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_5=-32, var_1_6=256] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_5=-32, var_1_6=256] [L121] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-32, var_1_6=256] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-32, var_1_6=256] [L122] var_1_5 = __VERIFIER_nondet_char() [L123] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L124] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L125] var_1_13 = __VERIFIER_nondet_char() [L126] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L127] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L128] var_1_14 = __VERIFIER_nondet_char() [L129] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L130] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L131] var_1_15 = __VERIFIER_nondet_double() [L132] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L133] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L134] var_1_16 = __VERIFIER_nondet_double() [L135] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L136] var_1_21 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_21 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_21 >= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L138] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L139] var_1_22 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L141] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L142] var_1_25 = __VERIFIER_nondet_ushort() [L143] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L144] CALL assume_abort_if_not(var_1_25 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_25 <= 65535) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L145] var_1_26 = __VERIFIER_nondet_ushort() [L146] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L147] CALL assume_abort_if_not(var_1_26 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_26 <= 65535) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L148] var_1_27 = __VERIFIER_nondet_ushort() [L149] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L150] CALL assume_abort_if_not(var_1_27 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_27 <= 65535) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L151] var_1_31 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L153] CALL assume_abort_if_not(var_1_31 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_31 <= 254) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L154] var_1_33 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_33 >= -922337.2036854776000e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854776000e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_33 >= -922337.2036854776000e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854776000e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L156] var_1_34 = __VERIFIER_nondet_long() [L157] CALL assume_abort_if_not(var_1_34 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_34=1, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_34 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_34=1, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L158] CALL assume_abort_if_not(var_1_34 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_34=1, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_34 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_34=1, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=256] [L159] var_1_36 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_34=1, var_1_35=256, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_34=1, var_1_35=256, var_1_3=0, var_1_5=-64, var_1_6=256] [L161] CALL assume_abort_if_not(var_1_36 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_34=1, var_1_35=256, var_1_36=1, var_1_3=0, var_1_5=-64, var_1_6=256] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_36 <= 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_34=1, var_1_35=256, var_1_36=1, var_1_3=0, var_1_5=-64, var_1_6=256] [L176] RET updateVariables() [L177] CALL step() [L55] COND TRUE var_1_25 >= ((((var_1_26) > (var_1_27)) ? (var_1_26) : (var_1_27))) [L56] var_1_24 = var_1_26 [L58] var_1_28 = var_1_27 [L59] var_1_29 = var_1_26 [L60] var_1_30 = var_1_31 [L61] COND TRUE ((((1.25f) < 0 ) ? -(1.25f) : (1.25f))) != var_1_33 [L62] EXPR var_1_31 ^ var_1_34 [L62] EXPR ((var_1_25) > ((var_1_31 ^ var_1_34))) ? (var_1_25) : ((var_1_31 ^ var_1_34)) [L62] COND FALSE !(var_1_28 >= ((((var_1_25) > ((var_1_31 ^ var_1_34))) ? (var_1_25) : ((var_1_31 ^ var_1_34))))) [L65] var_1_32 = var_1_25 [L70] COND TRUE \read(var_1_36) [L71] var_1_35 = ((((var_1_30) > (((((128) < 0 ) ? -(128) : (128))))) ? (var_1_30) : (((((128) < 0 ) ? -(128) : (128)))))) [L73] COND FALSE !(\read(var_1_3)) [L78] signed long int stepLocal_2 = var_1_5 * var_1_13; [L79] COND FALSE !(stepLocal_2 > last_1_var_1_10) [L82] COND TRUE (((((var_1_14 - var_1_20)) < (var_1_5)) ? ((var_1_14 - var_1_20)) : (var_1_5))) < var_1_20 [L83] COND FALSE !(\read(var_1_3)) [L87] unsigned char stepLocal_1 = var_1_17 <= var_1_17; [L88] COND TRUE stepLocal_1 || var_1_3 [L89] COND FALSE !((var_1_17 / var_1_15) > 25.25) [L95] COND FALSE !(99999.8f < var_1_17) [L106] COND TRUE (var_1_17 + var_1_12) <= var_1_17 [L107] COND TRUE var_1_6 >= var_1_6 [L108] var_1_23 = var_1_20 [L111] EXPR var_1_6 ^ var_1_20 [L111] unsigned long int stepLocal_0 = (var_1_6 ^ var_1_20) + var_1_23; [L112] COND TRUE var_1_20 <= stepLocal_0 [L113] COND FALSE !(var_1_12 == var_1_12) [L177] RET step() [L178] CALL, EXPR property() [L168] EXPR (((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1) [L168] EXPR var_1_6 ^ var_1_20 [L168] EXPR (((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1) [L168-L169] return (((((((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1)) && (((var_1_17 <= var_1_17) || var_1_3) ? (((var_1_17 / var_1_15) > 25.25) ? (var_1_12 == ((double) 128.5)) : 1) : (var_1_12 == ((double) var_1_16)))) && (((((((var_1_14 - var_1_20)) < (var_1_5)) ? ((var_1_14 - var_1_20)) : (var_1_5))) < var_1_20) ? (var_1_3 ? (var_1_17 == ((double) 128.1)) : 1) : 1)) && (((var_1_5 * var_1_13) > last_1_var_1_10) ? (var_1_20 == ((unsigned char) ((((((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) < 0 ) ? -(((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) : (((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))))))) : 1)) && (((var_1_17 + var_1_12) <= var_1_17) ? ((var_1_6 >= var_1_6) ? (var_1_23 == ((unsigned long int) var_1_20)) : 1) : 1) ; [L178] RET, EXPR property() [L178] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_16=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=32, var_1_24=0, var_1_25=2, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=2, var_1_34=1, var_1_35=128, var_1_36=1, var_1_3=0, var_1_5=-64, var_1_6=256] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_16=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=32, var_1_24=0, var_1_25=2, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=0, var_1_32=2, var_1_34=1, var_1_35=128, var_1_36=1, var_1_3=0, var_1_5=-64, var_1_6=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 28, 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=52occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 03:23:14,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/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_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/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_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/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_9d39755d-8ef1-4ee8-81dd-9f332765439b/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 fcab9d14a39efb8d0bba4b7e607a800a4978f63d5ac50f5af469476854f605eb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:23:17,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:23:17,747 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:23:17,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:23:17,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:23:17,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:23:17,814 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:23:17,814 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:23:17,815 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:23:17,815 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:23:17,818 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:23:17,818 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:23:17,818 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:23:17,818 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:23:17,822 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:23:17,822 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:23:17,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:23:17,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:23:17,822 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:23:17,823 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:23:17,823 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:23:17,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:23:17,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:23:17,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:23:17,823 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:23:17,823 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:23:17,823 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:23:17,823 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:23:17,823 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:23:17,823 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:23:17,824 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:23:17,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:23:17,824 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:23:17,824 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:23:17,824 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:23:17,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:23:17,824 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:23:17,824 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:23:17,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:23:17,824 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:23:17,830 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:23:17,830 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:23:17,830 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:23:17,830 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_9d39755d-8ef1-4ee8-81dd-9f332765439b/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 -> fcab9d14a39efb8d0bba4b7e607a800a4978f63d5ac50f5af469476854f605eb [2024-11-14 03:23:18,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:23:18,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:23:18,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:23:18,218 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:23:18,218 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:23:18,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.i Unable to find full path for "g++" [2024-11-14 03:23:20,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:23:21,090 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:23:21,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.i [2024-11-14 03:23:21,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/data/2a590f9d5/ff30af1dfc1b4cd09d1919e844f937d4/FLAGdd5e94017 [2024-11-14 03:23:21,352 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/data/2a590f9d5/ff30af1dfc1b4cd09d1919e844f937d4 [2024-11-14 03:23:21,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:23:21,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:23:21,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:23:21,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:23:21,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:23:21,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:23:21" (1/1) ... [2024-11-14 03:23:21,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10862a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:21, skipping insertion in model container [2024-11-14 03:23:21,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:23:21" (1/1) ... [2024-11-14 03:23:21,413 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:23:21,635 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_9d39755d-8ef1-4ee8-81dd-9f332765439b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.i[914,927] [2024-11-14 03:23:21,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:23:21,800 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:23:21,817 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_9d39755d-8ef1-4ee8-81dd-9f332765439b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.i[914,927] [2024-11-14 03:23:21,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:23:21,889 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:23:21,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:21 WrapperNode [2024-11-14 03:23:21,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:23:21,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:23:21,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:23:21,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:23:21,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:21" (1/1) ... [2024-11-14 03:23:21,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:21" (1/1) ... [2024-11-14 03:23:21,983 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 177 [2024-11-14 03:23:21,984 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:23:21,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:23:21,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:23:21,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:23:22,003 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:21" (1/1) ... [2024-11-14 03:23:22,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:21" (1/1) ... [2024-11-14 03:23:22,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:21" (1/1) ... [2024-11-14 03:23:22,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:21" (1/1) ... [2024-11-14 03:23:22,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:21" (1/1) ... [2024-11-14 03:23:22,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:21" (1/1) ... [2024-11-14 03:23:22,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:21" (1/1) ... [2024-11-14 03:23:22,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:21" (1/1) ... [2024-11-14 03:23:22,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:23:22,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:23:22,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:23:22,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:23:22,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:21" (1/1) ... [2024-11-14 03:23:22,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:23:22,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:23:22,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:23:22,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:23:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:23:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:23:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:23:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:23:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:23:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:23:22,259 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:23:22,261 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:23:30,645 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-14 03:23:30,645 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:23:30,657 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:23:30,657 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:23:30,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:23:30 BoogieIcfgContainer [2024-11-14 03:23:30,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:23:30,661 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:23:30,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:23:30,665 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:23:30,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:23:21" (1/3) ... [2024-11-14 03:23:30,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17efe243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:23:30, skipping insertion in model container [2024-11-14 03:23:30,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:21" (2/3) ... [2024-11-14 03:23:30,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17efe243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:23:30, skipping insertion in model container [2024-11-14 03:23:30,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:23:30" (3/3) ... [2024-11-14 03:23:30,669 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-3.i [2024-11-14 03:23:30,685 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:23:30,687 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-3.i that has 2 procedures, 85 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:23:30,762 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:23:30,773 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;@11db418f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:23:30,774 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:23:30,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 55 states have internal predecessors, (78), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-14 03:23:30,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-14 03:23:30,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:23:30,791 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:23:30,791 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:23:30,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:23:30,797 INFO L85 PathProgramCache]: Analyzing trace with hash -2118974365, now seen corresponding path program 1 times [2024-11-14 03:23:30,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:23:30,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1626590595] [2024-11-14 03:23:30,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:23:30,809 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:23:30,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:23:30,811 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:23:30,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 03:23:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:23:32,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:23:32,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:23:32,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 614 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2024-11-14 03:23:32,094 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:23:32,094 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:23:32,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1626590595] [2024-11-14 03:23:32,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1626590595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:23:32,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:23:32,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:23:32,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485997584] [2024-11-14 03:23:32,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:23:32,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:23:32,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:23:32,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:23:32,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:23:32,121 INFO L87 Difference]: Start difference. First operand has 85 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 55 states have internal predecessors, (78), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-14 03:23:32,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:23:32,167 INFO L93 Difference]: Finished difference Result 163 states and 290 transitions. [2024-11-14 03:23:32,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:23:32,170 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 178 [2024-11-14 03:23:32,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:23:32,178 INFO L225 Difference]: With dead ends: 163 [2024-11-14 03:23:32,178 INFO L226 Difference]: Without dead ends: 81 [2024-11-14 03:23:32,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:23:32,189 INFO L432 NwaCegarLoop]: 126 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, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:23:32,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:23:32,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-14 03:23:32,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-14 03:23:32,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 51 states have internal predecessors, (70), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-14 03:23:32,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 126 transitions. [2024-11-14 03:23:32,231 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 126 transitions. Word has length 178 [2024-11-14 03:23:32,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:23:32,232 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 126 transitions. [2024-11-14 03:23:32,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-14 03:23:32,233 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-14 03:23:32,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-14 03:23:32,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:23:32,236 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:23:32,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 03:23:32,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:23:32,441 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:23:32,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:23:32,442 INFO L85 PathProgramCache]: Analyzing trace with hash 166584991, now seen corresponding path program 1 times [2024-11-14 03:23:32,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:23:32,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [693058662] [2024-11-14 03:23:32,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:23:32,443 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:23:32,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:23:32,447 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:23:32,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 03:23:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:23:33,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 03:23:33,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:23:37,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-14 03:23:37,079 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:23:37,079 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:23:37,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [693058662] [2024-11-14 03:23:37,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [693058662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:23:37,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:23:37,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:23:37,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478316159] [2024-11-14 03:23:37,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:23:37,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:23:37,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:23:37,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:23:37,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:23:37,086 INFO L87 Difference]: Start difference. First operand 81 states and 126 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-14 03:23:39,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:23:41,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:23:43,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:23:45,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:23:47,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:23:50,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:23:54,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:23:57,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:23:59,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:01,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:03,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:03,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:24:03,291 INFO L93 Difference]: Finished difference Result 237 states and 372 transitions. [2024-11-14 03:24:03,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:24:03,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 178 [2024-11-14 03:24:03,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:24:03,409 INFO L225 Difference]: With dead ends: 237 [2024-11-14 03:24:03,410 INFO L226 Difference]: Without dead ends: 159 [2024-11-14 03:24:03,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:24:03,411 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 35 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:24:03,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 375 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 10 Unknown, 0 Unchecked, 26.1s Time] [2024-11-14 03:24:03,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-14 03:24:03,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2024-11-14 03:24:03,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 98 states have (on average 1.3571428571428572) internal successors, (133), 98 states have internal predecessors, (133), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-14 03:24:03,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 245 transitions. [2024-11-14 03:24:03,462 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 245 transitions. Word has length 178 [2024-11-14 03:24:03,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:24:03,463 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 245 transitions. [2024-11-14 03:24:03,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-14 03:24:03,464 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 245 transitions. [2024-11-14 03:24:03,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-14 03:24:03,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:24:03,468 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:24:03,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 03:24:03,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:24:03,669 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:24:03,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:24:03,670 INFO L85 PathProgramCache]: Analyzing trace with hash 590421057, now seen corresponding path program 1 times [2024-11-14 03:24:03,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:24:03,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59638512] [2024-11-14 03:24:03,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:24:03,671 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:24:03,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:24:03,673 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:24:03,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 03:24:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:24:05,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 03:24:05,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:24:05,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-14 03:24:05,356 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:24:05,356 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:24:05,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59638512] [2024-11-14 03:24:05,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59638512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:24:05,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:24:05,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:24:05,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280130169] [2024-11-14 03:24:05,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:24:05,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:24:05,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:24:05,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:24:05,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:24:05,359 INFO L87 Difference]: Start difference. First operand 157 states and 245 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-14 03:24:07,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:09,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:09,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:24:09,946 INFO L93 Difference]: Finished difference Result 353 states and 548 transitions. [2024-11-14 03:24:09,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:24:09,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 179 [2024-11-14 03:24:09,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:24:09,950 INFO L225 Difference]: With dead ends: 353 [2024-11-14 03:24:09,950 INFO L226 Difference]: Without dead ends: 199 [2024-11-14 03:24:09,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:24:09,953 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 29 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:24:09,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 242 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 12 Invalid, 2 Unknown, 0 Unchecked, 4.6s Time] [2024-11-14 03:24:09,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-14 03:24:09,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 174. [2024-11-14 03:24:09,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 115 states have (on average 1.3652173913043477) internal successors, (157), 115 states have internal predecessors, (157), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-14 03:24:09,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 269 transitions. [2024-11-14 03:24:09,982 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 269 transitions. Word has length 179 [2024-11-14 03:24:09,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:24:09,983 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 269 transitions. [2024-11-14 03:24:09,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-14 03:24:09,983 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 269 transitions. [2024-11-14 03:24:09,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-14 03:24:09,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:24:09,986 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:24:10,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-14 03:24:10,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:24:10,187 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:24:10,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:24:10,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1108618461, now seen corresponding path program 1 times [2024-11-14 03:24:10,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:24:10,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1308678554] [2024-11-14 03:24:10,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:24:10,188 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:24:10,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:24:10,190 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:24:10,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-14 03:24:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:24:11,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 03:24:11,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:24:11,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-14 03:24:11,657 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:24:11,657 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:24:11,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1308678554] [2024-11-14 03:24:11,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1308678554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:24:11,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:24:11,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:24:11,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493467312] [2024-11-14 03:24:11,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:24:11,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:24:11,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:24:11,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:24:11,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:24:11,660 INFO L87 Difference]: Start difference. First operand 174 states and 269 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-14 03:24:14,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:16,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:16,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:24:16,190 INFO L93 Difference]: Finished difference Result 369 states and 566 transitions. [2024-11-14 03:24:16,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:24:16,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 180 [2024-11-14 03:24:16,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:24:16,193 INFO L225 Difference]: With dead ends: 369 [2024-11-14 03:24:16,193 INFO L226 Difference]: Without dead ends: 198 [2024-11-14 03:24:16,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:24:16,196 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 25 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:24:16,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 245 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 4.5s Time] [2024-11-14 03:24:16,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-14 03:24:16,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 174. [2024-11-14 03:24:16,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 115 states have (on average 1.3130434782608695) internal successors, (151), 115 states have internal predecessors, (151), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-14 03:24:16,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 263 transitions. [2024-11-14 03:24:16,220 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 263 transitions. Word has length 180 [2024-11-14 03:24:16,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:24:16,221 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 263 transitions. [2024-11-14 03:24:16,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-14 03:24:16,221 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 263 transitions. [2024-11-14 03:24:16,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-14 03:24:16,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:24:16,224 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:24:16,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-14 03:24:16,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:24:16,425 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:24:16,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:24:16,425 INFO L85 PathProgramCache]: Analyzing trace with hash 851792684, now seen corresponding path program 1 times [2024-11-14 03:24:16,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:24:16,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1833909601] [2024-11-14 03:24:16,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:24:16,426 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:24:16,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:24:16,428 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:24:16,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-14 03:24:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:24:17,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 03:24:17,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:24:26,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-14 03:24:26,038 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:24:26,038 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:24:26,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1833909601] [2024-11-14 03:24:26,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1833909601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:24:26,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:24:26,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:24:26,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624983795] [2024-11-14 03:24:26,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:24:26,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:24:26,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:24:26,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:24:26,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:24:26,041 INFO L87 Difference]: Start difference. First operand 174 states and 263 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-14 03:24:30,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:32,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:34,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:36,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:38,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:40,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:42,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:44,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:46,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:48,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:50,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:53,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:55,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:57,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:24:59,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:25:01,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:25:05,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:25:07,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:25:09,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:25:11,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:25:11,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:25:11,945 INFO L93 Difference]: Finished difference Result 964 states and 1447 transitions. [2024-11-14 03:25:11,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 03:25:11,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 181 [2024-11-14 03:25:11,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:25:11,954 INFO L225 Difference]: With dead ends: 964 [2024-11-14 03:25:11,954 INFO L226 Difference]: Without dead ends: 793 [2024-11-14 03:25:11,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-14 03:25:11,960 INFO L432 NwaCegarLoop]: 362 mSDtfsCounter, 251 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 57 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:25:11,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1031 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 363 Invalid, 20 Unknown, 0 Unchecked, 45.1s Time] [2024-11-14 03:25:11,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-14 03:25:12,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 675. [2024-11-14 03:25:12,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 442 states have (on average 1.3167420814479638) internal successors, (582), 442 states have internal predecessors, (582), 224 states have call successors, (224), 8 states have call predecessors, (224), 8 states have return successors, (224), 224 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-14 03:25:12,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 1030 transitions. [2024-11-14 03:25:12,120 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 1030 transitions. Word has length 181 [2024-11-14 03:25:12,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:25:12,121 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 1030 transitions. [2024-11-14 03:25:12,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-14 03:25:12,121 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1030 transitions. [2024-11-14 03:25:12,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-14 03:25:12,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:25:12,127 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:25:12,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-14 03:25:12,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:25:12,328 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:25:12,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:25:12,328 INFO L85 PathProgramCache]: Analyzing trace with hash -169275670, now seen corresponding path program 1 times [2024-11-14 03:25:12,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:25:12,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [795325863] [2024-11-14 03:25:12,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:25:12,329 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:25:12,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:25:12,331 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:25:12,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/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 03:25:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:25:13,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 03:25:13,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:25:19,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-14 03:25:19,974 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:25:19,974 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:25:19,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [795325863] [2024-11-14 03:25:19,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [795325863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:25:19,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:25:19,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:25:19,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137460029] [2024-11-14 03:25:19,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:25:19,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:25:19,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:25:19,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:25:19,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:25:19,976 INFO L87 Difference]: Start difference. First operand 675 states and 1030 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-14 03:25:22,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:25:24,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:25:26,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:25:29,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:25:31,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:25:31,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:25:31,386 INFO L93 Difference]: Finished difference Result 1877 states and 2844 transitions. [2024-11-14 03:25:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:25:31,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 181 [2024-11-14 03:25:31,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:25:31,567 INFO L225 Difference]: With dead ends: 1877 [2024-11-14 03:25:31,568 INFO L226 Difference]: Without dead ends: 1205 [2024-11-14 03:25:31,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:25:31,572 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 105 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 57 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:25:31,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 376 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 25 Invalid, 5 Unknown, 0 Unchecked, 11.2s Time] [2024-11-14 03:25:31,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2024-11-14 03:25:31,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 1085. [2024-11-14 03:25:31,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 707 states have (on average 1.3083451202263083) internal successors, (925), 707 states have internal predecessors, (925), 364 states have call successors, (364), 13 states have call predecessors, (364), 13 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2024-11-14 03:25:31,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1653 transitions. [2024-11-14 03:25:31,809 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1653 transitions. Word has length 181 [2024-11-14 03:25:31,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:25:31,811 INFO L471 AbstractCegarLoop]: Abstraction has 1085 states and 1653 transitions. [2024-11-14 03:25:31,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-14 03:25:31,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1653 transitions. [2024-11-14 03:25:31,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-14 03:25:31,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:25:31,815 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:25:31,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/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 03:25:32,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:25:32,016 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:25:32,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:25:32,017 INFO L85 PathProgramCache]: Analyzing trace with hash 400209230, now seen corresponding path program 1 times [2024-11-14 03:25:32,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:25:32,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [252183422] [2024-11-14 03:25:32,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:25:32,017 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:25:32,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:25:32,019 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:25:32,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d39755d-8ef1-4ee8-81dd-9f332765439b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-14 03:25:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:25:33,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-14 03:25:33,451 INFO L278 TraceCheckSpWp]: Computing forward predicates...