./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-59.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_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/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_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/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_f71725a9-d6d7-4699-a747-01d84181b73b/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 bd989104ff103e9b5ed152f8842800410e6bde451d7ac2b024a1b80da691bd1b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:42:44,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:42:44,860 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-13 23:42:44,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:42:44,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:42:44,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:42:44,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:42:44,894 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:42:44,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:42:44,894 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:42:44,894 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:42:44,895 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:42:44,895 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:42:44,895 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:42:44,895 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:42:44,895 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:42:44,895 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:42:44,895 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:42:44,895 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:42:44,895 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:42:44,896 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:42:44,896 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:42:44,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:42:44,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:42:44,896 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:42:44,896 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:42:44,896 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:42:44,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:42:44,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:42:44,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:42:44,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:42:44,897 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:42:44,897 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:42:44,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:42:44,897 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:42:44,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:42:44,899 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:42:44,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:42:44,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:42:44,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:42:44,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:42:44,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:42:44,899 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:42:44,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:42:44,899 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:42:44,899 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:42:44,900 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:42:44,900 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_f71725a9-d6d7-4699-a747-01d84181b73b/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 -> bd989104ff103e9b5ed152f8842800410e6bde451d7ac2b024a1b80da691bd1b [2024-11-13 23:42:45,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:42:45,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:42:45,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:42:45,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:42:45,243 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:42:45,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-59.i Unable to find full path for "g++" [2024-11-13 23:42:47,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:42:47,373 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:42:47,377 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-59.i [2024-11-13 23:42:47,390 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/data/e3afa2761/9cc30c5a1c074283be978e9bda219b3a/FLAGc1eff9bc4 [2024-11-13 23:42:47,420 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/data/e3afa2761/9cc30c5a1c074283be978e9bda219b3a [2024-11-13 23:42:47,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:42:47,424 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:42:47,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:42:47,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:42:47,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:42:47,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:42:47" (1/1) ... [2024-11-13 23:42:47,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2c5837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:47, skipping insertion in model container [2024-11-13 23:42:47,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:42:47" (1/1) ... [2024-11-13 23:42:47,467 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:42:47,634 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_f71725a9-d6d7-4699-a747-01d84181b73b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-59.i[919,932] [2024-11-13 23:42:47,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:42:47,729 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:42:47,744 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_f71725a9-d6d7-4699-a747-01d84181b73b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-59.i[919,932] [2024-11-13 23:42:47,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:42:47,836 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:42:47,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:47 WrapperNode [2024-11-13 23:42:47,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:42:47,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:42:47,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:42:47,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:42:47,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:47" (1/1) ... [2024-11-13 23:42:47,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:47" (1/1) ... [2024-11-13 23:42:47,924 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 213 [2024-11-13 23:42:47,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:42:47,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:42:47,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:42:47,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:42:47,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:47" (1/1) ... [2024-11-13 23:42:47,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:47" (1/1) ... [2024-11-13 23:42:47,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:47" (1/1) ... [2024-11-13 23:42:47,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:47" (1/1) ... [2024-11-13 23:42:47,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:47" (1/1) ... [2024-11-13 23:42:47,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:47" (1/1) ... [2024-11-13 23:42:47,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:47" (1/1) ... [2024-11-13 23:42:47,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:47" (1/1) ... [2024-11-13 23:42:47,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:42:47,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:42:47,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:42:47,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:42:47,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:47" (1/1) ... [2024-11-13 23:42:47,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:42:47,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:42:48,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:42:48,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:42:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:42:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:42:48,037 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:42:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:42:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:42:48,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:42:48,147 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:42:48,149 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:42:48,829 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 23:42:48,829 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:42:49,256 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:42:49,260 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:42:49,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:49 BoogieIcfgContainer [2024-11-13 23:42:49,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:42:49,263 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:42:49,263 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:42:49,269 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:42:49,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:42:47" (1/3) ... [2024-11-13 23:42:49,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4b258d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:42:49, skipping insertion in model container [2024-11-13 23:42:49,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:47" (2/3) ... [2024-11-13 23:42:49,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4b258d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:42:49, skipping insertion in model container [2024-11-13 23:42:49,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:49" (3/3) ... [2024-11-13 23:42:49,272 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-59.i [2024-11-13 23:42:49,292 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:42:49,293 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-59.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:42:49,355 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:42:49,370 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;@45462a3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:42:49,370 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:42:49,376 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-13 23:42:49,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 23:42:49,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:42:49,386 INFO L215 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:42:49,387 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:42:49,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:42:49,392 INFO L85 PathProgramCache]: Analyzing trace with hash 171086086, now seen corresponding path program 1 times [2024-11-13 23:42:49,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:42:49,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384785016] [2024-11-13 23:42:49,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:42:49,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:42:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:42:50,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1908858391] [2024-11-13 23:42:50,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:42:50,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:42:50,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:42:50,237 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:42:50,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 23:42:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:42:50,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:42:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:42:51,284 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-13 23:42:51,287 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 23:42:51,289 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 23:42:51,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 23:42:51,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-13 23:42:51,495 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 23:42:51,611 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:42:51,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:42:51 BoogieIcfgContainer [2024-11-13 23:42:51,614 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:42:51,615 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:42:51,615 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:42:51,616 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:42:51,616 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:49" (3/4) ... [2024-11-13 23:42:51,618 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:42:51,619 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:42:51,620 INFO L158 Benchmark]: Toolchain (without parser) took 4196.03ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 54.0MB in the end (delta: 65.0MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2024-11-13 23:42:51,621 INFO L158 Benchmark]: CDTParser took 1.53ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:42:51,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.95ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 103.2MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:42:51,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.38ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 98.4MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:42:51,622 INFO L158 Benchmark]: Boogie Preprocessor took 43.33ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 96.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:42:51,622 INFO L158 Benchmark]: RCFGBuilder took 1291.48ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 78.6MB in the end (delta: 17.6MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-11-13 23:42:51,623 INFO L158 Benchmark]: TraceAbstraction took 2351.85ms. Allocated memory is still 142.6MB. Free memory was 78.0MB in the beginning and 54.0MB in the end (delta: 24.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-11-13 23:42:51,623 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 142.6MB. Free memory was 54.0MB in the beginning and 54.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:42:51,625 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.95ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 103.2MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.38ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 98.4MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.33ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 96.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1291.48ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 78.6MB in the end (delta: 17.6MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2351.85ms. Allocated memory is still 142.6MB. Free memory was 78.0MB in the beginning and 54.0MB in the end (delta: 24.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 142.6MB. Free memory was 54.0MB in the beginning and 54.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 62, overapproximation of bitwiseOr at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 164. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 1; [L23] unsigned char var_1_4 = 25; [L24] unsigned short int var_1_5 = 0; [L25] unsigned short int var_1_6 = 62100; [L26] unsigned short int var_1_7 = 27651; [L27] double var_1_8 = 128.9; [L28] double var_1_10 = 16.5; [L29] double var_1_11 = 25.5; [L30] double var_1_12 = 199.75; [L31] unsigned char var_1_13 = 2; [L32] unsigned char var_1_14 = 1; [L33] unsigned char var_1_15 = 1; [L34] unsigned char var_1_16 = 1; [L35] unsigned short int var_1_17 = 32; [L36] unsigned char var_1_18 = 1; [L37] unsigned long int var_1_19 = 1; [L38] unsigned short int var_1_20 = 25; [L39] signed long int var_1_24 = -25; [L40] signed short int var_1_25 = -100; [L41] unsigned long int var_1_26 = 4; [L42] unsigned char var_1_28 = 1; [L43] unsigned char var_1_29 = 1; [L44] unsigned long int var_1_30 = 0; [L45] unsigned char var_1_31 = 64; [L46] unsigned char var_1_33 = 128; [L47] unsigned char var_1_34 = 100; [L48] unsigned char var_1_35 = 4; [L49] unsigned char var_1_36 = 1; [L50] unsigned short int last_1_var_1_5 = 0; [L51] unsigned char last_1_var_1_15 = 1; [L52] unsigned char last_1_var_1_18 = 1; [L53] unsigned long int last_1_var_1_19 = 1; [L202] isInitial = 1 [L203] FCALL initially() [L204] COND TRUE 1 [L205] CALL updateLastVariables() [L192] last_1_var_1_5 = var_1_5 [L193] last_1_var_1_15 = var_1_15 [L194] last_1_var_1_18 = var_1_18 [L195] last_1_var_1_19 = var_1_19 [L205] RET updateLastVariables() [L206] CALL updateVariables() [L149] var_1_4 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L151] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L152] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L153] var_1_6 = __VERIFIER_nondet_ushort() [L154] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=27651, var_1_8=1289/10] [L155] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=27651, var_1_8=1289/10] [L156] var_1_7 = __VERIFIER_nondet_ushort() [L157] CALL assume_abort_if_not(var_1_7 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_7 >= 16383) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L158] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L159] var_1_10 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L161] var_1_11 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L163] var_1_12 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L165] var_1_14 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L167] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L168] var_1_16 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L170] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L171] var_1_26 = __VERIFIER_nondet_ulong() [L172] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L173] CALL assume_abort_if_not(var_1_26 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_26 <= 4294967295) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L174] CALL assume_abort_if_not(var_1_26 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_26 != 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L175] var_1_29 = __VERIFIER_nondet_uchar() [L176] CALL assume_abort_if_not(var_1_29 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_29 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L177] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L178] var_1_33 = __VERIFIER_nondet_uchar() [L179] CALL assume_abort_if_not(var_1_33 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=384, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_33 >= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=384, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L180] CALL assume_abort_if_not(var_1_33 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=384, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_33 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=384, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L181] var_1_34 = __VERIFIER_nondet_uchar() [L182] CALL assume_abort_if_not(var_1_34 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=384, var_1_34=-192, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_34 >= 63) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=384, var_1_34=-192, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L183] CALL assume_abort_if_not(var_1_34 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=384, var_1_34=-192, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_34 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=384, var_1_34=-192, var_1_35=4, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L184] var_1_35 = __VERIFIER_nondet_uchar() [L185] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=384, var_1_34=-192, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=384, var_1_34=-192, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L186] CALL assume_abort_if_not(var_1_35 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=384, var_1_34=-192, var_1_35=0, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_35 <= 63) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=384, var_1_34=-192, var_1_35=0, var_1_36=1, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L187] var_1_36 = __VERIFIER_nondet_uchar() [L188] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=384, var_1_34=-192, var_1_35=0, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=384, var_1_34=-192, var_1_35=0, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L189] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=384, var_1_34=-192, var_1_35=0, var_1_36=0, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=384, var_1_34=-192, var_1_35=0, var_1_36=0, var_1_4=-255, var_1_5=0, var_1_6=-32769, var_1_7=-32769, var_1_8=1289/10] [L206] RET updateVariables() [L207] CALL step() [L57] unsigned char stepLocal_3 = last_1_var_1_19 < var_1_6; [L58] COND TRUE \read(last_1_var_1_18) [L59] COND TRUE (! last_1_var_1_15) || stepLocal_3 [L60] var_1_8 = ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))) [L67] COND TRUE var_1_12 != var_1_8 [L68] var_1_15 = (! var_1_16) [L72] EXPR var_1_13 | var_1_1 [L72] COND TRUE (var_1_1 / var_1_26) < (var_1_13 | var_1_1) [L73] COND FALSE !((- var_1_8) >= 256.75f) [L79] var_1_17 = var_1_4 [L80] COND FALSE !(var_1_8 == var_1_8) [L83] COND FALSE !(((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))) > ((((128.5f) < (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) ? (128.5f) : (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))))) [L86] COND FALSE !(var_1_26 < ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))) [L101] var_1_31 = var_1_36 [L103] var_1_18 = var_1_16 [L104] var_1_19 = var_1_4 [L105] COND TRUE var_1_17 < var_1_13 [L106] COND FALSE !(var_1_8 <= var_1_8) [L110] unsigned short int stepLocal_1 = var_1_17; [L111] unsigned char stepLocal_0 = var_1_17 != (16 / var_1_4); [L112] COND FALSE !(stepLocal_0 && var_1_15) [L123] var_1_1 = var_1_17 [L125] EXPR var_1_5 ^ (~ var_1_13) [L125] COND FALSE !((var_1_5 ^ (~ var_1_13)) >= var_1_5) [L128] unsigned short int stepLocal_2 = var_1_17; [L129] COND FALSE !(stepLocal_2 < last_1_var_1_5) [L132] COND TRUE ! var_1_15 [L133] var_1_5 = ((((last_1_var_1_5) > ((var_1_7 + var_1_4))) ? (last_1_var_1_5) : ((var_1_7 + var_1_4)))) [L136] unsigned short int stepLocal_5 = var_1_6; [L137] unsigned short int stepLocal_4 = var_1_5; [L138] COND TRUE stepLocal_4 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19)))) [L139] COND FALSE !(var_1_5 <= stepLocal_5) [L142] var_1_13 = var_1_14 [L207] RET step() [L208] CALL, EXPR property() [L198-L199] return (((((((((var_1_17 != (16 / var_1_4)) && var_1_15) ? ((var_1_17 > var_1_4) ? (var_1_1 == ((unsigned short int) (var_1_4 + var_1_17))) : (var_1_15 ? (var_1_1 == ((unsigned short int) var_1_17)) : (var_1_1 == ((unsigned short int) var_1_4)))) : (var_1_1 == ((unsigned short int) var_1_17))) && ((var_1_17 < last_1_var_1_5) ? (var_1_5 == ((unsigned short int) (var_1_6 - (var_1_7 - last_1_var_1_5)))) : ((! var_1_15) ? (var_1_5 == ((unsigned short int) ((((last_1_var_1_5) > ((var_1_7 + var_1_4))) ? (last_1_var_1_5) : ((var_1_7 + var_1_4)))))) : 1))) && (last_1_var_1_18 ? (((! last_1_var_1_15) || (last_1_var_1_19 < var_1_6)) ? (var_1_8 == ((double) ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))))) : (var_1_8 == ((double) (var_1_11 + var_1_12)))) : (var_1_8 == ((double) var_1_11)))) && ((var_1_5 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19))))) ? ((var_1_5 <= var_1_6) ? (var_1_13 == ((unsigned char) 32)) : (var_1_13 == ((unsigned char) var_1_14))) : (var_1_13 == ((unsigned char) var_1_14)))) && ((var_1_12 != var_1_8) ? (var_1_15 == ((unsigned char) (! var_1_16))) : (var_1_15 == ((unsigned char) var_1_16)))) && (var_1_17 == ((unsigned short int) var_1_4))) && (var_1_18 == ((unsigned char) var_1_16))) && (var_1_19 == ((unsigned long int) var_1_4)) ; [L208] RET, EXPR property() [L208] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_11=0, var_1_13=257, var_1_14=257, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=-255, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=0, var_1_33=384, var_1_34=-192, var_1_35=0, var_1_36=0, var_1_4=-255, var_1_5=32768, var_1_6=-32769, var_1_7=-32769, var_1_8=509/4] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_11=0, var_1_13=257, var_1_14=257, var_1_15=0, var_1_16=-255, var_1_17=1, var_1_18=-255, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4294967299, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=0, var_1_33=384, var_1_34=-192, var_1_35=0, var_1_36=0, var_1_4=-255, var_1_5=32768, var_1_6=-32769, var_1_7=-32769, var_1_8=509/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 1, TraceHistogramMax: 27, 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=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 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 [2024-11-13 23:42:51,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/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_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/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_f71725a9-d6d7-4699-a747-01d84181b73b/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 bd989104ff103e9b5ed152f8842800410e6bde451d7ac2b024a1b80da691bd1b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:42:54,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:42:54,466 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-13 23:42:54,471 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:42:54,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:42:54,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:42:54,510 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:42:54,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:42:54,510 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:42:54,511 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:42:54,511 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:42:54,512 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:42:54,512 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:42:54,512 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:42:54,512 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:42:54,512 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:42:54,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:42:54,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:42:54,513 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:42:54,514 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:42:54,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:42:54,514 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:42:54,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:42:54,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:42:54,514 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:42:54,514 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:42:54,515 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:42:54,515 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:42:54,515 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:42:54,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:42:54,515 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:42:54,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:42:54,516 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 23:42:54,516 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:42:54,516 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:42:54,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:42:54,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:42:54,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:42:54,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:42:54,516 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:42:54,516 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:42:54,517 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:42:54,517 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:42:54,517 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_f71725a9-d6d7-4699-a747-01d84181b73b/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 -> bd989104ff103e9b5ed152f8842800410e6bde451d7ac2b024a1b80da691bd1b [2024-11-13 23:42:54,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:42:54,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:42:54,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:42:54,818 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:42:54,818 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:42:54,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-59.i Unable to find full path for "g++" [2024-11-13 23:42:56,769 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:42:57,053 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:42:57,058 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-59.i [2024-11-13 23:42:57,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/data/d11403c40/d05de3c6f29c4957af745c61a56f64bd/FLAG36331900e [2024-11-13 23:42:57,100 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/data/d11403c40/d05de3c6f29c4957af745c61a56f64bd [2024-11-13 23:42:57,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:42:57,107 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:42:57,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:42:57,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:42:57,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:42:57,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:42:57" (1/1) ... [2024-11-13 23:42:57,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10300009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:57, skipping insertion in model container [2024-11-13 23:42:57,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:42:57" (1/1) ... [2024-11-13 23:42:57,142 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:42:57,313 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_f71725a9-d6d7-4699-a747-01d84181b73b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-59.i[919,932] [2024-11-13 23:42:57,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:42:57,440 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:42:57,451 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_f71725a9-d6d7-4699-a747-01d84181b73b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-59.i[919,932] [2024-11-13 23:42:57,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:42:57,506 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:42:57,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:57 WrapperNode [2024-11-13 23:42:57,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:42:57,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:42:57,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:42:57,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:42:57,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:57" (1/1) ... [2024-11-13 23:42:57,536 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:57" (1/1) ... [2024-11-13 23:42:57,581 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 193 [2024-11-13 23:42:57,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:42:57,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:42:57,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:42:57,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:42:57,593 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:57" (1/1) ... [2024-11-13 23:42:57,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:57" (1/1) ... [2024-11-13 23:42:57,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:57" (1/1) ... [2024-11-13 23:42:57,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:57" (1/1) ... [2024-11-13 23:42:57,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:57" (1/1) ... [2024-11-13 23:42:57,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:57" (1/1) ... [2024-11-13 23:42:57,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:57" (1/1) ... [2024-11-13 23:42:57,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:57" (1/1) ... [2024-11-13 23:42:57,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:42:57,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:42:57,644 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:42:57,644 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:42:57,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:57" (1/1) ... [2024-11-13 23:42:57,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:42:57,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:42:57,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:42:57,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:42:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:42:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:42:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:42:57,729 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:42:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:42:57,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:42:57,820 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:42:57,823 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:42:58,713 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 23:42:58,715 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:42:58,732 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:42:58,733 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:42:58,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:58 BoogieIcfgContainer [2024-11-13 23:42:58,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:42:58,737 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:42:58,737 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:42:58,741 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:42:58,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:42:57" (1/3) ... [2024-11-13 23:42:58,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318dc30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:42:58, skipping insertion in model container [2024-11-13 23:42:58,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:57" (2/3) ... [2024-11-13 23:42:58,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318dc30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:42:58, skipping insertion in model container [2024-11-13 23:42:58,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:58" (3/3) ... [2024-11-13 23:42:58,745 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-59.i [2024-11-13 23:42:58,761 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:42:58,763 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-59.i that has 2 procedures, 86 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:42:58,833 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:42:58,845 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;@6b85f7a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:42:58,845 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:42:58,849 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-13 23:42:58,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-13 23:42:58,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:42:58,864 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:42:58,864 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:42:58,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:42:58,868 INFO L85 PathProgramCache]: Analyzing trace with hash 497951588, now seen corresponding path program 1 times [2024-11-13 23:42:58,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:42:58,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300507518] [2024-11-13 23:42:58,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:42:58,878 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 [2024-11-13 23:42:58,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:42:58,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/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) [2024-11-13 23:42:58,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/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 [2024-11-13 23:42:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:42:59,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:42:59,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:42:59,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 584 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2024-11-13 23:42:59,340 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:42:59,341 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:42:59,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300507518] [2024-11-13 23:42:59,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300507518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:42:59,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:42:59,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:42:59,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528673960] [2024-11-13 23:42:59,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:42:59,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 23:42:59,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:42:59,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 23:42:59,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:42:59,370 INFO L87 Difference]: Start difference. First operand has 86 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-13 23:42:59,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:42:59,407 INFO L93 Difference]: Finished difference Result 165 states and 293 transitions. [2024-11-13 23:42:59,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 23:42:59,411 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2024-11-13 23:42:59,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:42:59,419 INFO L225 Difference]: With dead ends: 165 [2024-11-13 23:42:59,420 INFO L226 Difference]: Without dead ends: 82 [2024-11-13 23:42:59,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:42:59,430 INFO L432 NwaCegarLoop]: 127 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, 127 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 [2024-11-13 23:42:59,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:42:59,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-13 23:42:59,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-13 23:42:59,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 53 states have internal predecessors, (73), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-13 23:42:59,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 127 transitions. [2024-11-13 23:42:59,493 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 127 transitions. Word has length 174 [2024-11-13 23:42:59,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:42:59,494 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 127 transitions. [2024-11-13 23:42:59,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-13 23:42:59,494 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 127 transitions. [2024-11-13 23:42:59,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-13 23:42:59,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:42:59,501 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:42:59,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/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 [2024-11-13 23:42:59,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/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 [2024-11-13 23:42:59,703 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:42:59,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:42:59,704 INFO L85 PathProgramCache]: Analyzing trace with hash -702107728, now seen corresponding path program 1 times [2024-11-13 23:42:59,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:42:59,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518742312] [2024-11-13 23:42:59,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:42:59,708 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 [2024-11-13 23:42:59,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:42:59,710 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/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) [2024-11-13 23:42:59,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/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 [2024-11-13 23:43:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:43:00,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:43:00,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:43:00,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-13 23:43:00,798 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:43:00,799 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:43:00,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [518742312] [2024-11-13 23:43:00,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [518742312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:43:00,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:43:00,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:43:00,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582970255] [2024-11-13 23:43:00,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:43:00,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:43:00,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:43:00,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:43:00,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:43:00,805 INFO L87 Difference]: Start difference. First operand 82 states and 127 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 23:43:01,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:43:01,615 INFO L93 Difference]: Finished difference Result 241 states and 376 transitions. [2024-11-13 23:43:01,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:43:01,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-13 23:43:01,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:43:01,627 INFO L225 Difference]: With dead ends: 241 [2024-11-13 23:43:01,628 INFO L226 Difference]: Without dead ends: 162 [2024-11-13 23:43:01,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:43:01,629 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 90 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 23:43:01,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 362 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 23:43:01,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-13 23:43:01,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 140. [2024-11-13 23:43:01,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 83 states have (on average 1.3373493975903614) internal successors, (111), 83 states have internal predecessors, (111), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-13 23:43:01,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 219 transitions. [2024-11-13 23:43:01,665 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 219 transitions. Word has length 174 [2024-11-13 23:43:01,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:43:01,665 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 219 transitions. [2024-11-13 23:43:01,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 23:43:01,666 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 219 transitions. [2024-11-13 23:43:01,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-13 23:43:01,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:43:01,669 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:43:01,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/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 [2024-11-13 23:43:01,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/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 [2024-11-13 23:43:01,870 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:43:01,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:43:01,870 INFO L85 PathProgramCache]: Analyzing trace with hash 4493246, now seen corresponding path program 1 times [2024-11-13 23:43:01,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:43:01,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859194280] [2024-11-13 23:43:01,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:43:01,871 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 [2024-11-13 23:43:01,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:43:01,873 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/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) [2024-11-13 23:43:01,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/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 [2024-11-13 23:43:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:43:02,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:43:02,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:43:02,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-13 23:43:02,854 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:43:02,855 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:43:02,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859194280] [2024-11-13 23:43:02,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [859194280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:43:02,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:43:02,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:43:02,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136722458] [2024-11-13 23:43:02,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:43:02,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:43:02,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:43:02,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:43:02,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:43:02,857 INFO L87 Difference]: Start difference. First operand 140 states and 219 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 23:43:04,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:43:04,044 INFO L93 Difference]: Finished difference Result 308 states and 479 transitions. [2024-11-13 23:43:04,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:43:04,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-13 23:43:04,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:43:04,060 INFO L225 Difference]: With dead ends: 308 [2024-11-13 23:43:04,060 INFO L226 Difference]: Without dead ends: 229 [2024-11-13 23:43:04,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:43:04,062 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 105 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:43:04,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 360 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 23:43:04,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-13 23:43:04,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 217. [2024-11-13 23:43:04,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 132 states have (on average 1.3484848484848484) internal successors, (178), 132 states have internal predecessors, (178), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-13 23:43:04,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 340 transitions. [2024-11-13 23:43:04,130 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 340 transitions. Word has length 175 [2024-11-13 23:43:04,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:43:04,134 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 340 transitions. [2024-11-13 23:43:04,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 23:43:04,134 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 340 transitions. [2024-11-13 23:43:04,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-13 23:43:04,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:43:04,140 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:43:04,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/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)] Ended with exit code 0 [2024-11-13 23:43:04,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/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 [2024-11-13 23:43:04,340 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:43:04,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:43:04,341 INFO L85 PathProgramCache]: Analyzing trace with hash -241933466, now seen corresponding path program 1 times [2024-11-13 23:43:04,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:43:04,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1375892629] [2024-11-13 23:43:04,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:43:04,342 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 [2024-11-13 23:43:04,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:43:04,343 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/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) [2024-11-13 23:43:04,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f71725a9-d6d7-4699-a747-01d84181b73b/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 [2024-11-13 23:43:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:43:04,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 23:43:04,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:44:39,905 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)