./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-39.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire --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 583c517930167d6d872f155db4267f5ed2a43b9e88506675a070473c8addf6a7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:33:50,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:33:50,899 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:33:50,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:33:50,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:33:50,954 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:33:50,955 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:33:50,956 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:33:50,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:33:50,957 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:33:50,958 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:33:50,958 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:33:50,959 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:33:50,960 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:33:50,960 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:33:50,961 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:33:50,961 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:33:50,962 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:33:50,962 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:33:50,963 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:33:50,964 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:33:50,964 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:33:50,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:33:50,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:33:50,966 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:33:50,966 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:33:50,967 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:33:50,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:33:50,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:33:50,968 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:33:50,968 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:33:50,969 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:33:50,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:33:50,970 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:33:50,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:33:50,970 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:33:50,971 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:33:50,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:50,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:33:50,983 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:33:50,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:33:50,984 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:33:50,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:33:50,984 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:33:50,985 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:33:50,985 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:33:50,985 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:33:50,986 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 583c517930167d6d872f155db4267f5ed2a43b9e88506675a070473c8addf6a7 [2023-11-23 20:33:51,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:33:51,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:33:51,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:33:51,314 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:33:51,315 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:33:51,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-39.i [2023-11-23 20:33:54,413 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:33:54,711 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:33:54,712 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-39.i [2023-11-23 20:33:54,723 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/data/f7d4e4981/32831f4dab61410c9d8b9321275fc121/FLAGa8cf13abf [2023-11-23 20:33:54,739 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/data/f7d4e4981/32831f4dab61410c9d8b9321275fc121 [2023-11-23 20:33:54,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:33:54,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:33:54,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:54,746 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:33:54,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:33:54,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:54" (1/1) ... [2023-11-23 20:33:54,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41c9630f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:54, skipping insertion in model container [2023-11-23 20:33:54,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:54" (1/1) ... [2023-11-23 20:33:54,815 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:33:54,982 WARN L240 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_60d2f59b-36bc-4310-8398-988a6f9883ac/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-39.i[917,930] [2023-11-23 20:33:55,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:55,062 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:33:55,076 WARN L240 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_60d2f59b-36bc-4310-8398-988a6f9883ac/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-39.i[917,930] [2023-11-23 20:33:55,123 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:55,151 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:33:55,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55 WrapperNode [2023-11-23 20:33:55,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:55,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:55,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:33:55,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:33:55,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,256 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 213 [2023-11-23 20:33:55,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:55,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:33:55,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:33:55,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:33:55,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:33:55,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:33:55,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:33:55,298 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:33:55,299 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:55,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:55,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:33:55,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:33:55,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:33:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:33:55,402 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:33:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:33:55,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:33:55,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:33:55,561 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:33:55,564 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:33:55,991 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:33:56,308 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:33:56,308 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:33:56,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:56 BoogieIcfgContainer [2023-11-23 20:33:56,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:33:56,313 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:33:56,313 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:33:56,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:33:56,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:33:54" (1/3) ... [2023-11-23 20:33:56,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@764cc327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:56, skipping insertion in model container [2023-11-23 20:33:56,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (2/3) ... [2023-11-23 20:33:56,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@764cc327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:56, skipping insertion in model container [2023-11-23 20:33:56,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:56" (3/3) ... [2023-11-23 20:33:56,320 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-39.i [2023-11-23 20:33:56,340 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:33:56,341 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:33:56,399 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:33:56,407 INFO L357 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, mHoare=true, 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;@695c3ca5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:33:56,409 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:33:56,413 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 20:33:56,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-23 20:33:56,432 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:56,433 INFO L195 NwaCegarLoop]: trace histogram [32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:56,434 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:56,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:56,443 INFO L85 PathProgramCache]: Analyzing trace with hash 299541371, now seen corresponding path program 1 times [2023-11-23 20:33:56,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:56,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804527491] [2023-11-23 20:33:56,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:56,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:33:57,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:33:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:33:57,818 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:33:57,820 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:33:57,821 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:33:57,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:33:57,829 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:33:57,834 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:33:58,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:33:58 BoogieIcfgContainer [2023-11-23 20:33:58,018 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:33:58,019 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:33:58,019 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:33:58,019 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:33:58,020 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:56" (3/4) ... [2023-11-23 20:33:58,034 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:33:58,035 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:33:58,037 INFO L158 Benchmark]: Toolchain (without parser) took 3293.09ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 146.5MB in the beginning and 177.0MB in the end (delta: -30.5MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2023-11-23 20:33:58,038 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory was 97.8MB in the beginning and 97.7MB in the end (delta: 72.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:33:58,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.60ms. Allocated memory is still 178.3MB. Free memory was 146.3MB in the beginning and 135.5MB in the end (delta: 10.8MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2023-11-23 20:33:58,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.71ms. Allocated memory is still 178.3MB. Free memory was 135.5MB in the beginning and 132.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:33:58,040 INFO L158 Benchmark]: Boogie Preprocessor took 38.93ms. Allocated memory is still 178.3MB. Free memory was 132.8MB in the beginning and 130.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:33:58,041 INFO L158 Benchmark]: RCFGBuilder took 1013.01ms. Allocated memory is still 178.3MB. Free memory was 130.7MB in the beginning and 97.4MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-23 20:33:58,042 INFO L158 Benchmark]: TraceAbstraction took 1705.65ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 96.7MB in the beginning and 178.0MB in the end (delta: -81.3MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2023-11-23 20:33:58,042 INFO L158 Benchmark]: Witness Printer took 16.92ms. Allocated memory is still 213.9MB. Free memory was 178.0MB in the beginning and 177.0MB in the end (delta: 956.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:33:58,059 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory was 97.8MB in the beginning and 97.7MB in the end (delta: 72.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.60ms. Allocated memory is still 178.3MB. Free memory was 146.3MB in the beginning and 135.5MB in the end (delta: 10.8MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.71ms. Allocated memory is still 178.3MB. Free memory was 135.5MB in the beginning and 132.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.93ms. Allocated memory is still 178.3MB. Free memory was 132.8MB in the beginning and 130.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1013.01ms. Allocated memory is still 178.3MB. Free memory was 130.7MB in the beginning and 97.4MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1705.65ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 96.7MB in the beginning and 178.0MB in the end (delta: -81.3MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. * Witness Printer took 16.92ms. Allocated memory is still 213.9MB. Free memory was 178.0MB in the beginning and 177.0MB in the end (delta: 956.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of bitwiseOr at line 52, overapproximation of someBinaryArithmeticFLOAToperation at line 88. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -1; [L23] signed char var_1_2 = -2; [L24] signed char var_1_3 = 4; [L25] signed char var_1_4 = 10; [L26] signed long int var_1_5 = -1; [L27] unsigned char var_1_6 = 0; [L28] signed short int var_1_7 = 8; [L29] signed short int var_1_8 = 4; [L30] unsigned long int var_1_9 = 256; [L31] unsigned long int var_1_10 = 10; [L32] unsigned long int var_1_11 = 3084274888; [L33] unsigned long int var_1_12 = 2; [L34] unsigned long int var_1_13 = 50; [L35] signed long int var_1_14 = -10; [L36] signed char var_1_15 = -4; [L37] unsigned char var_1_16 = 0; [L38] signed long int var_1_17 = 2; [L39] signed long int var_1_18 = 256; [L40] float var_1_19 = 4.5; [L41] float var_1_20 = 15.375; [L42] float var_1_21 = 32.725; [L43] float var_1_22 = 63.5; [L44] float var_1_23 = 16.375; [L45] signed char var_1_24 = -32; [L46] signed char var_1_25 = 0; [L47] unsigned short int var_1_26 = 64; [L154] isInitial = 1 [L155] FCALL initially() [L156] COND TRUE 1 [L157] FCALL updateLastVariables() [L158] CALL updateVariables() [L96] var_1_2 = __VERIFIER_nondet_char() [L97] CALL assume_abort_if_not(var_1_2 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=4, var_1_4=10, var_1_5=-1, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_2 >= -128) VAL [isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=4, var_1_4=10, var_1_5=-1, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L98] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=4, var_1_4=10, var_1_5=-1, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=4, var_1_4=10, var_1_5=-1, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L99] var_1_3 = __VERIFIER_nondet_char() [L100] CALL assume_abort_if_not(var_1_3 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=10, var_1_5=-1, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_3 >= -128) VAL [isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=10, var_1_5=-1, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L101] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=10, var_1_5=-1, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=10, var_1_5=-1, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L102] var_1_4 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_4 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=-1, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_4 >= -128) VAL [isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=-1, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L104] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=-1, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=-1, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L105] var_1_5 = __VERIFIER_nondet_long() [L106] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L107] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L108] var_1_6 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_7=8, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_7=8, var_1_8=4, var_1_9=256] [L110] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=8, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=8, var_1_8=4, var_1_9=256] [L111] var_1_7 = __VERIFIER_nondet_short() [L112] CALL assume_abort_if_not(var_1_7 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_7 >= -1) VAL [isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=4, var_1_9=256] [L113] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=4, var_1_9=256] [L114] var_1_8 = __VERIFIER_nondet_short() [L115] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L116] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10=10, var_1_11=3084274888, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L117] var_1_11 = __VERIFIER_nondet_ulong() [L118] CALL assume_abort_if_not(var_1_11 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_11 >= 2147483647) VAL [isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L119] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=2, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L120] var_1_12 = __VERIFIER_nondet_ulong() [L121] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L122] CALL assume_abort_if_not(var_1_12 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_12 <= 4294967294) VAL [isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=-4, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L123] var_1_15 = __VERIFIER_nondet_char() [L124] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L125] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=0, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L126] var_1_16 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L128] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=2, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L129] var_1_17 = __VERIFIER_nondet_long() [L130] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L131] CALL assume_abort_if_not(var_1_17 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_17 <= 1073741823) VAL [isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=256, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L132] var_1_18 = __VERIFIER_nondet_long() [L133] CALL assume_abort_if_not(var_1_18 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=-16, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_18 >= -2147483647) VAL [isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=-16, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L134] CALL assume_abort_if_not(var_1_18 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=-16, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_18 <= 2147483646) VAL [isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=-16, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L135] var_1_20 = __VERIFIER_nondet_float() [L136] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=-16, var_1_19=9/2, var_1_1=-1, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=-16, var_1_19=9/2, var_1_1=-1, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L137] var_1_21 = __VERIFIER_nondet_float() [L138] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=-16, var_1_19=9/2, var_1_1=-1, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=-16, var_1_19=9/2, var_1_1=-1, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L139] var_1_22 = __VERIFIER_nondet_float() [L140] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=-16, var_1_19=9/2, var_1_1=-1, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=-16, var_1_19=9/2, var_1_1=-1, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L141] var_1_23 = __VERIFIER_nondet_float() [L142] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=-16, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=-16, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L143] var_1_25 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_25 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=-16, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=126, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_25 >= -127) VAL [isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=-16, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=126, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L145] CALL assume_abort_if_not(var_1_25 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=-16, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=126, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_25 <= 126) VAL [isInitial=1, var_1_10=10, var_1_11=2147483647, var_1_12=4294967290, var_1_13=50, var_1_14=-10, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=-16, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=126, var_1_26=64, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L158] RET updateVariables() [L159] CALL step() [L51] signed long int stepLocal_0 = var_1_5 | -4; [L52] EXPR (var_1_2 + var_1_3) ^ var_1_4 [L52] COND FALSE !(((var_1_2 + var_1_3) ^ var_1_4) < stepLocal_0) [L55] var_1_1 = (var_1_4 + -16) [L57] signed long int stepLocal_1 = (((var_1_1) < (var_1_2)) ? (var_1_1) : (var_1_2)); [L58] COND TRUE var_1_3 >= stepLocal_1 [L59] COND TRUE \read(var_1_6) [L60] var_1_9 = var_1_8 [L63] var_1_10 = ((((((((var_1_11 - var_1_8) < 0 ) ? -(var_1_11 - var_1_8) : (var_1_11 - var_1_8)))) < (((((0u) > (var_1_12)) ? (0u) : (var_1_12))))) ? (((((var_1_11 - var_1_8) < 0 ) ? -(var_1_11 - var_1_8) : (var_1_11 - var_1_8)))) : (((((0u) > (var_1_12)) ? (0u) : (var_1_12)))))) [L64] unsigned long int stepLocal_3 = var_1_11; [L65] unsigned long int stepLocal_2 = var_1_8 / (1u + 16u); [L66] COND FALSE !(var_1_12 < stepLocal_2) [L73] var_1_13 = var_1_8 [L75] COND FALSE !(var_1_15 >= var_1_7) [L84] var_1_14 = var_1_2 [L86] signed short int stepLocal_4 = var_1_8; [L87] COND TRUE stepLocal_4 <= var_1_10 [L88] var_1_19 = (((((((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))) + var_1_22)) > (var_1_23)) ? ((((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))) + var_1_22)) : (var_1_23))) [L92] var_1_24 = var_1_25 [L93] var_1_26 = var_1_8 [L159] RET step() [L160] CALL, EXPR property() [L150] EXPR (var_1_2 + var_1_3) ^ var_1_4 [L150-L151] return ((((((((((var_1_2 + var_1_3) ^ var_1_4) < (var_1_5 | -4)) ? (var_1_1 == ((signed short int) (var_1_7 - var_1_8))) : (var_1_1 == ((signed short int) (var_1_4 + -16)))) && ((var_1_3 >= ((((var_1_1) < (var_1_2)) ? (var_1_1) : (var_1_2)))) ? (var_1_6 ? (var_1_9 == ((unsigned long int) var_1_8)) : 1) : 1)) && (var_1_10 == ((unsigned long int) ((((((((var_1_11 - var_1_8) < 0 ) ? -(var_1_11 - var_1_8) : (var_1_11 - var_1_8)))) < (((((0u) > (var_1_12)) ? (0u) : (var_1_12))))) ? (((((var_1_11 - var_1_8) < 0 ) ? -(var_1_11 - var_1_8) : (var_1_11 - var_1_8)))) : (((((0u) > (var_1_12)) ? (0u) : (var_1_12))))))))) && ((var_1_12 < (var_1_8 / (1u + 16u))) ? ((var_1_11 > (var_1_12 + 5u)) ? (var_1_13 == ((unsigned long int) ((((var_1_12) > (var_1_11)) ? (var_1_12) : (var_1_11))))) : (var_1_13 == ((unsigned long int) 5u))) : (var_1_13 == ((unsigned long int) var_1_8)))) && ((var_1_15 >= var_1_7) ? ((var_1_3 > var_1_11) ? ((var_1_6 && var_1_16) ? (var_1_14 == ((signed long int) (var_1_7 - (var_1_17 + var_1_8)))) : (var_1_14 == ((signed long int) var_1_18))) : 1) : (var_1_14 == ((signed long int) var_1_2)))) && ((var_1_8 <= var_1_10) ? (var_1_19 == ((float) (((((((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))) + var_1_22)) > (var_1_23)) ? ((((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))) + var_1_22)) : (var_1_23))))) : (var_1_19 == ((float) var_1_22)))) && (var_1_24 == ((signed char) var_1_25))) && (var_1_26 == ((unsigned short int) var_1_8)) ; [L160] RET, EXPR property() [L160] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2147483391, var_1_11=2147483647, var_1_12=4294967290, var_1_13=256, var_1_14=-16, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=-16, var_1_19=8589934591, var_1_1=-16, var_1_22=8589934591, var_1_23=8589934591, var_1_24=126, var_1_25=126, var_1_26=256, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2147483391, var_1_11=2147483647, var_1_12=4294967290, var_1_13=256, var_1_14=-16, var_1_15=127, var_1_16=1, var_1_17=1, var_1_18=-16, var_1_19=8589934591, var_1_1=-16, var_1_22=8589934591, var_1_23=8589934591, var_1_24=126, var_1_25=126, var_1_26=256, var_1_2=-16, var_1_3=16, var_1_4=0, var_1_5=3, var_1_6=1, var_1_7=241, var_1_8=256, var_1_9=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 32, 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=59occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:33:58,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire --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 583c517930167d6d872f155db4267f5ed2a43b9e88506675a070473c8addf6a7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:34:00,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:34:01,068 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:34:01,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:34:01,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:34:01,122 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:34:01,123 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:34:01,124 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:34:01,125 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:34:01,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:34:01,131 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:34:01,132 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:34:01,132 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:34:01,134 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:34:01,135 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:34:01,135 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:34:01,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:34:01,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:34:01,138 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:34:01,139 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:34:01,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:34:01,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:34:01,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:34:01,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:34:01,142 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:34:01,142 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:34:01,143 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:34:01,143 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:34:01,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:34:01,144 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:34:01,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:34:01,146 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:34:01,146 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:34:01,147 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:34:01,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:01,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:34:01,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:34:01,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:34:01,149 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:34:01,150 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:34:01,150 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:34:01,151 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:34:01,151 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:34:01,151 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:34:01,152 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 583c517930167d6d872f155db4267f5ed2a43b9e88506675a070473c8addf6a7 [2023-11-23 20:34:01,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:34:01,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:34:01,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:34:01,644 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:34:01,645 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:34:01,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-39.i [2023-11-23 20:34:04,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:34:05,173 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:34:05,174 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-39.i [2023-11-23 20:34:05,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/data/980c9afd1/920f26cc07f14c739d2a61fd4d0abdb3/FLAG03ba32661 [2023-11-23 20:34:05,206 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/data/980c9afd1/920f26cc07f14c739d2a61fd4d0abdb3 [2023-11-23 20:34:05,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:34:05,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:34:05,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:05,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:34:05,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:34:05,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:05" (1/1) ... [2023-11-23 20:34:05,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3200f852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:05, skipping insertion in model container [2023-11-23 20:34:05,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:05" (1/1) ... [2023-11-23 20:34:05,262 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:34:05,410 WARN L240 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_60d2f59b-36bc-4310-8398-988a6f9883ac/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-39.i[917,930] [2023-11-23 20:34:05,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:05,499 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:34:05,513 WARN L240 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_60d2f59b-36bc-4310-8398-988a6f9883ac/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-39.i[917,930] [2023-11-23 20:34:05,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:05,600 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:34:05,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:05 WrapperNode [2023-11-23 20:34:05,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:05,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:05,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:34:05,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:34:05,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:05" (1/1) ... [2023-11-23 20:34:05,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:05" (1/1) ... [2023-11-23 20:34:05,661 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 174 [2023-11-23 20:34:05,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:05,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:34:05,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:34:05,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:34:05,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:05" (1/1) ... [2023-11-23 20:34:05,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:05" (1/1) ... [2023-11-23 20:34:05,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:05" (1/1) ... [2023-11-23 20:34:05,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:05" (1/1) ... [2023-11-23 20:34:05,693 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:05" (1/1) ... [2023-11-23 20:34:05,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:05" (1/1) ... [2023-11-23 20:34:05,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:05" (1/1) ... [2023-11-23 20:34:05,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:05" (1/1) ... [2023-11-23 20:34:05,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:34:05,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:34:05,709 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:34:05,710 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:34:05,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:05" (1/1) ... [2023-11-23 20:34:05,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:05,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:34:05,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:34:05,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:34:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:34:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:34:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:34:05,802 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:34:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:34:05,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:34:05,904 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:34:05,908 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:34:06,538 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:34:06,621 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:34:06,621 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:34:06,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:06 BoogieIcfgContainer [2023-11-23 20:34:06,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:34:06,625 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:34:06,625 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:34:06,629 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:34:06,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:34:05" (1/3) ... [2023-11-23 20:34:06,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc55fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:06, skipping insertion in model container [2023-11-23 20:34:06,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:05" (2/3) ... [2023-11-23 20:34:06,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc55fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:06, skipping insertion in model container [2023-11-23 20:34:06,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:06" (3/3) ... [2023-11-23 20:34:06,636 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-39.i [2023-11-23 20:34:06,652 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:34:06,652 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:34:06,712 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:34:06,721 INFO L357 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, mHoare=true, 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;@1213575b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:34:06,722 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:34:06,727 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 20:34:06,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-23 20:34:06,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:06,747 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:34:06,747 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:06,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:06,753 INFO L85 PathProgramCache]: Analyzing trace with hash 2077842687, now seen corresponding path program 1 times [2023-11-23 20:34:06,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:34:06,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [891511996] [2023-11-23 20:34:06,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:06,773 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 [2023-11-23 20:34:06,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:34:06,778 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:34:06,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:07,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:34:07,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:34:07,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 974 proven. 0 refuted. 0 times theorem prover too weak. 1010 trivial. 0 not checked. [2023-11-23 20:34:07,322 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:34:07,323 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:34:07,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [891511996] [2023-11-23 20:34:07,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [891511996] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:34:07,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:34:07,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:34:07,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145607556] [2023-11-23 20:34:07,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:07,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:34:07,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:34:07,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:34:07,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:34:07,386 INFO L87 Difference]: Start difference. First operand has 75 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-23 20:34:07,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:34:07,578 INFO L93 Difference]: Finished difference Result 147 states and 266 transitions. [2023-11-23 20:34:07,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:34:07,587 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 191 [2023-11-23 20:34:07,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:34:07,597 INFO L225 Difference]: With dead ends: 147 [2023-11-23 20:34:07,597 INFO L226 Difference]: Without dead ends: 73 [2023-11-23 20:34:07,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:34:07,611 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:34:07,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:34:07,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-23 20:34:07,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-23 20:34:07,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 20:34:07,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 113 transitions. [2023-11-23 20:34:07,679 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 113 transitions. Word has length 191 [2023-11-23 20:34:07,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:34:07,680 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 113 transitions. [2023-11-23 20:34:07,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-23 20:34:07,681 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 113 transitions. [2023-11-23 20:34:07,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-23 20:34:07,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:07,693 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:34:07,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/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)] Forceful destruction successful, exit code 0 [2023-11-23 20:34:07,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:07,900 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:07,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:07,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1971803895, now seen corresponding path program 1 times [2023-11-23 20:34:07,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:34:07,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [532390156] [2023-11-23 20:34:07,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:07,903 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 [2023-11-23 20:34:07,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:34:07,925 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:34:07,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d2f59b-36bc-4310-8398-988a6f9883ac/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:08,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-23 20:34:08,341 INFO L285 TraceCheckSpWp]: Computing forward predicates...