./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.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_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/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_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/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_895087de-fbcc-49d6-847d-01bf86049739/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 0101e68cd769ee86bcffa133d99498f55c4b5621d6fd69302f6e63627d783b8c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:35:54,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:35:54,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:35:54,203 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:35:54,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:35:54,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:35:54,250 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:35:54,251 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:35:54,252 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:35:54,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:35:54,259 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:35:54,260 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:35:54,260 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:35:54,263 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:35:54,263 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:35:54,264 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:35:54,265 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:35:54,265 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:35:54,266 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:35:54,267 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:35:54,268 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:35:54,268 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:35:54,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:35:54,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:35:54,271 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:35:54,272 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:35:54,273 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:35:54,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:35:54,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:35:54,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:35:54,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:35:54,277 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:35:54,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:35:54,301 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:35:54,301 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:35:54,301 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:35:54,302 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:35:54,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:54,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:35:54,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:35:54,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:35:54,304 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:35:54,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:35:54,305 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:35:54,305 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:35:54,305 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:35:54,306 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:35:54,306 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_895087de-fbcc-49d6-847d-01bf86049739/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0101e68cd769ee86bcffa133d99498f55c4b5621d6fd69302f6e63627d783b8c [2023-11-23 20:35:54,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:35:54,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:35:54,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:35:54,734 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:35:54,735 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:35:54,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i [2023-11-23 20:35:57,900 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:35:58,115 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:35:58,116 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i [2023-11-23 20:35:58,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/data/449306ced/6558c53fc4454e4b8e92cd3fbee996ea/FLAGdd4e9234e [2023-11-23 20:35:58,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/data/449306ced/6558c53fc4454e4b8e92cd3fbee996ea [2023-11-23 20:35:58,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:35:58,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:35:58,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:35:58,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:35:58,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:35:58,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:35:58" (1/1) ... [2023-11-23 20:35:58,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d64ddda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:58, skipping insertion in model container [2023-11-23 20:35:58,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:35:58" (1/1) ... [2023-11-23 20:35:58,242 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:35:58,395 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_895087de-fbcc-49d6-847d-01bf86049739/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i[913,926] [2023-11-23 20:35:58,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:35:58,455 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:35:58,467 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_895087de-fbcc-49d6-847d-01bf86049739/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i[913,926] [2023-11-23 20:35:58,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:35:58,512 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:35:58,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:58 WrapperNode [2023-11-23 20:35:58,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:35:58,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:35:58,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:35:58,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:35:58,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:58" (1/1) ... [2023-11-23 20:35:58,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:58" (1/1) ... [2023-11-23 20:35:58,567 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2023-11-23 20:35:58,572 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:35:58,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:35:58,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:35:58,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:35:58,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:58" (1/1) ... [2023-11-23 20:35:58,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:58" (1/1) ... [2023-11-23 20:35:58,585 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:58" (1/1) ... [2023-11-23 20:35:58,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:58" (1/1) ... [2023-11-23 20:35:58,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:58" (1/1) ... [2023-11-23 20:35:58,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:58" (1/1) ... [2023-11-23 20:35:58,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:58" (1/1) ... [2023-11-23 20:35:58,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:58" (1/1) ... [2023-11-23 20:35:58,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:35:58,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:35:58,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:35:58,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:35:58,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:58" (1/1) ... [2023-11-23 20:35:58,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:58,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:35:58,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:35:58,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:35:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:35:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:35:58,698 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:35:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:35:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:35:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:35:58,854 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:35:58,857 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:35:59,222 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:35:59,431 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:35:59,432 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:35:59,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:59 BoogieIcfgContainer [2023-11-23 20:35:59,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:35:59,437 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:35:59,437 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:35:59,440 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:35:59,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:35:58" (1/3) ... [2023-11-23 20:35:59,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ecfc51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:35:59, skipping insertion in model container [2023-11-23 20:35:59,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:58" (2/3) ... [2023-11-23 20:35:59,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ecfc51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:35:59, skipping insertion in model container [2023-11-23 20:35:59,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:59" (3/3) ... [2023-11-23 20:35:59,444 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-91.i [2023-11-23 20:35:59,464 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:35:59,465 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:35:59,516 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:35:59,523 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;@447f9292, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:35:59,523 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:35:59,528 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 20:35:59,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:35:59,539 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:59,540 INFO L195 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:35:59,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:59,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:59,549 INFO L85 PathProgramCache]: Analyzing trace with hash 230223682, now seen corresponding path program 1 times [2023-11-23 20:35:59,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:35:59,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206870302] [2023-11-23 20:35:59,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:59,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:35:59,749 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:35:59,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [187902201] [2023-11-23 20:35:59,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:59,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:35:59,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:35:59,769 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:35:59,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:36:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:36:00,068 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:36:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:36:00,207 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:36:00,209 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:36:00,211 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:36:00,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:00,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 20:36:00,423 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:36:00,427 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:36:00,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:36:00 BoogieIcfgContainer [2023-11-23 20:36:00,498 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:36:00,499 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:36:00,499 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:36:00,500 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:36:00,502 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:59" (3/4) ... [2023-11-23 20:36:00,504 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:36:00,508 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:36:00,510 INFO L158 Benchmark]: Toolchain (without parser) took 2332.62ms. Allocated memory is still 192.9MB. Free memory was 164.2MB in the beginning and 107.2MB in the end (delta: 57.0MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2023-11-23 20:36:00,511 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory was 106.5MB in the beginning and 106.3MB in the end (delta: 168.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:36:00,511 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.86ms. Allocated memory is still 192.9MB. Free memory was 164.0MB in the beginning and 154.7MB in the end (delta: 9.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-23 20:36:00,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.55ms. Allocated memory is still 192.9MB. Free memory was 154.7MB in the beginning and 152.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:36:00,513 INFO L158 Benchmark]: Boogie Preprocessor took 33.76ms. Allocated memory is still 192.9MB. Free memory was 152.7MB in the beginning and 151.8MB in the end (delta: 895.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:36:00,514 INFO L158 Benchmark]: RCFGBuilder took 826.35ms. Allocated memory is still 192.9MB. Free memory was 151.5MB in the beginning and 141.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:36:00,514 INFO L158 Benchmark]: TraceAbstraction took 1062.03ms. Allocated memory is still 192.9MB. Free memory was 140.8MB in the beginning and 108.3MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-23 20:36:00,515 INFO L158 Benchmark]: Witness Printer took 9.48ms. Allocated memory is still 192.9MB. Free memory was 108.2MB in the beginning and 107.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:36:00,519 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory was 106.5MB in the beginning and 106.3MB in the end (delta: 168.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.86ms. Allocated memory is still 192.9MB. Free memory was 164.0MB in the beginning and 154.7MB in the end (delta: 9.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.55ms. Allocated memory is still 192.9MB. Free memory was 154.7MB in the beginning and 152.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.76ms. Allocated memory is still 192.9MB. Free memory was 152.7MB in the beginning and 151.8MB in the end (delta: 895.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 826.35ms. Allocated memory is still 192.9MB. Free memory was 151.5MB in the beginning and 141.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1062.03ms. Allocated memory is still 192.9MB. Free memory was 140.8MB in the beginning and 108.3MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 9.48ms. Allocated memory is still 192.9MB. Free memory was 108.2MB in the beginning and 107.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. 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 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of someUnaryDOUBLEoperation at line 28. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 100000000; [L23] float var_1_2 = 49.25; [L24] unsigned long int var_1_3 = 64; [L25] unsigned long int var_1_4 = 64; [L26] signed short int var_1_5 = 1; [L27] float var_1_6 = 8.4; [L28] float var_1_7 = -0.25; [L29] signed short int var_1_8 = -4; [L30] unsigned long int var_1_9 = 64; [L31] unsigned long int var_1_10 = 16; [L32] unsigned long int var_1_11 = 10; [L33] signed short int var_1_12 = 100; [L34] signed short int var_1_14 = 128; [L35] signed short int var_1_15 = 10; [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L69] var_1_2 = __VERIFIER_nondet_float() [L70] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L71] var_1_3 = __VERIFIER_nondet_ulong() [L72] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L73] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L74] var_1_4 = __VERIFIER_nondet_ulong() [L75] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L76] CALL assume_abort_if_not(var_1_4 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_4 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L77] var_1_6 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=-4, var_1_9=64] [L79] var_1_7 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=-4, var_1_9=64] [L81] var_1_8 = __VERIFIER_nondet_short() [L82] CALL assume_abort_if_not(var_1_8 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=33, var_1_9=64] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_8 >= -32767) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=33, var_1_9=64] [L83] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=33, var_1_9=64] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=33, var_1_9=64] [L84] var_1_10 = __VERIFIER_nondet_ulong() [L85] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=33, var_1_9=64] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=33, var_1_9=64] [L86] CALL assume_abort_if_not(var_1_10 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=33, var_1_9=64] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_10 <= 4294967294) VAL [isInitial=1, var_1_10=1, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=33, var_1_9=64] [L87] var_1_11 = __VERIFIER_nondet_ulong() [L88] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=33, var_1_9=64] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=33, var_1_9=64] [L89] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=33, var_1_9=64] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, var_1_10=1, var_1_11=2, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=33, var_1_9=64] [L90] var_1_14 = __VERIFIER_nondet_short() [L91] CALL assume_abort_if_not(var_1_14 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2, var_1_12=100, var_1_14=100, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=33, var_1_9=64] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_14 >= -1) VAL [isInitial=1, var_1_10=1, var_1_11=2, var_1_12=100, var_1_14=100, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=33, var_1_9=64] [L92] CALL assume_abort_if_not(var_1_14 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2, var_1_12=100, var_1_14=100, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=33, var_1_9=64] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_14 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_11=2, var_1_12=100, var_1_14=100, var_1_15=10, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=33, var_1_9=64] [L93] var_1_15 = __VERIFIER_nondet_short() [L94] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2, var_1_12=100, var_1_14=100, var_1_15=0, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=33, var_1_9=64] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=2, var_1_12=100, var_1_14=100, var_1_15=0, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=33, var_1_9=64] [L95] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2, var_1_12=100, var_1_14=100, var_1_15=0, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=33, var_1_9=64] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_11=2, var_1_12=100, var_1_14=100, var_1_15=0, var_1_1=100000000, var_1_3=0, var_1_4=0, var_1_5=1, var_1_8=33, var_1_9=64] [L108] RET updateVariables() [L109] CALL step() [L39] COND TRUE var_1_2 >= 50.4f [L40] var_1_1 = ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))) [L42] COND TRUE var_1_3 == (var_1_1 * var_1_4) [L43] COND TRUE var_1_2 >= (var_1_6 + var_1_7) [L44] var_1_5 = var_1_8 [L51] COND TRUE ! (var_1_4 < var_1_3) [L52] var_1_9 = ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))) [L56] COND TRUE var_1_10 > var_1_9 [L57] COND TRUE 63.1 >= var_1_7 [L58] COND TRUE var_1_7 >= var_1_2 [L59] var_1_12 = (var_1_14 - var_1_15) [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return ((((var_1_2 >= 50.4f) ? (var_1_1 == ((unsigned long int) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : 1) && ((var_1_3 == (var_1_1 * var_1_4)) ? ((var_1_2 >= (var_1_6 + var_1_7)) ? (var_1_5 == ((signed short int) var_1_8)) : (var_1_5 == ((signed short int) 32))) : (var_1_5 == ((signed short int) var_1_8)))) && ((! (var_1_4 < var_1_3)) ? (var_1_9 == ((unsigned long int) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))))) : (var_1_9 == ((unsigned long int) ((((var_1_11) > (var_1_10)) ? (var_1_11) : (var_1_10))))))) && ((var_1_10 > var_1_9) ? ((63.1 >= var_1_7) ? ((var_1_7 >= var_1_2) ? (var_1_12 == ((signed short int) (var_1_14 - var_1_15))) : (var_1_12 == ((signed short int) var_1_14))) : 1) : (var_1_12 == ((signed short int) var_1_15))) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=2, var_1_12=100, var_1_14=100, var_1_15=0, var_1_1=0, var_1_3=0, var_1_4=0, var_1_5=33, var_1_8=33, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=2, var_1_12=100, var_1_14=100, var_1_15=0, var_1_1=0, var_1_3=0, var_1_4=0, var_1_5=33, var_1_8=33, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 17, 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=36occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 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 20:36:00,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/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_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/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_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/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_895087de-fbcc-49d6-847d-01bf86049739/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 0101e68cd769ee86bcffa133d99498f55c4b5621d6fd69302f6e63627d783b8c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:36:03,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:36:03,311 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:36:03,318 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:36:03,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:36:03,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:36:03,347 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:36:03,348 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:36:03,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:36:03,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:36:03,349 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:36:03,350 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:36:03,351 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:36:03,351 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:36:03,352 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:36:03,352 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:36:03,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:36:03,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:36:03,354 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:36:03,354 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:36:03,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:36:03,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:36:03,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:36:03,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:36:03,357 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:36:03,357 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:36:03,358 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:36:03,358 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:36:03,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:36:03,359 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:36:03,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:36:03,360 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:36:03,361 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:36:03,361 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:36:03,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:03,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:36:03,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:36:03,363 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:36:03,363 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:36:03,363 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:36:03,364 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:36:03,364 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:36:03,364 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:36:03,365 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:36:03,365 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_895087de-fbcc-49d6-847d-01bf86049739/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0101e68cd769ee86bcffa133d99498f55c4b5621d6fd69302f6e63627d783b8c [2023-11-23 20:36:03,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:36:03,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:36:03,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:36:03,790 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:36:03,791 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:36:03,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i [2023-11-23 20:36:07,000 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:36:07,310 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:36:07,311 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i [2023-11-23 20:36:07,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/data/3f1013251/70af7b0bc06947779650579fc7f85006/FLAGde9ba742a [2023-11-23 20:36:07,336 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/data/3f1013251/70af7b0bc06947779650579fc7f85006 [2023-11-23 20:36:07,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:36:07,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:36:07,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:07,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:36:07,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:36:07,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:07" (1/1) ... [2023-11-23 20:36:07,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@778681e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:07, skipping insertion in model container [2023-11-23 20:36:07,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:07" (1/1) ... [2023-11-23 20:36:07,386 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:36:07,573 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_895087de-fbcc-49d6-847d-01bf86049739/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i[913,926] [2023-11-23 20:36:07,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:07,681 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:36:07,702 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_895087de-fbcc-49d6-847d-01bf86049739/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i[913,926] [2023-11-23 20:36:07,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:07,769 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:36:07,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:07 WrapperNode [2023-11-23 20:36:07,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:07,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:07,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:36:07,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:36:07,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:07" (1/1) ... [2023-11-23 20:36:07,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:07" (1/1) ... [2023-11-23 20:36:07,831 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2023-11-23 20:36:07,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:07,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:36:07,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:36:07,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:36:07,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:07" (1/1) ... [2023-11-23 20:36:07,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:07" (1/1) ... [2023-11-23 20:36:07,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:07" (1/1) ... [2023-11-23 20:36:07,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:07" (1/1) ... [2023-11-23 20:36:07,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:07" (1/1) ... [2023-11-23 20:36:07,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:07" (1/1) ... [2023-11-23 20:36:07,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:07" (1/1) ... [2023-11-23 20:36:07,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:07" (1/1) ... [2023-11-23 20:36:07,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:36:07,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:36:07,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:36:07,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:36:07,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:07" (1/1) ... [2023-11-23 20:36:07,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:07,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:07,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:36:07,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:36:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:36:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:36:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:36:07,946 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:36:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:36:07,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:36:08,069 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:36:08,073 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:36:09,062 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:36:09,109 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:36:09,110 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:36:09,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:09 BoogieIcfgContainer [2023-11-23 20:36:09,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:36:09,113 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:36:09,113 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:36:09,117 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:36:09,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:36:07" (1/3) ... [2023-11-23 20:36:09,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492db1a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:09, skipping insertion in model container [2023-11-23 20:36:09,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:07" (2/3) ... [2023-11-23 20:36:09,119 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492db1a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:09, skipping insertion in model container [2023-11-23 20:36:09,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:09" (3/3) ... [2023-11-23 20:36:09,120 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-91.i [2023-11-23 20:36:09,141 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:36:09,142 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:36:09,195 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:36:09,203 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;@7bb7697a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:36:09,203 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:36:09,208 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 28 states have internal predecessors, (39), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 20:36:09,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 20:36:09,222 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:09,222 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:36:09,223 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:09,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:09,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1171350473, now seen corresponding path program 1 times [2023-11-23 20:36:09,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:09,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [942869884] [2023-11-23 20:36:09,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:09,246 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 20:36:09,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:09,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/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 20:36:09,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895087de-fbcc-49d6-847d-01bf86049739/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 20:36:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:09,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:36:09,630 INFO L285 TraceCheckSpWp]: Computing forward predicates...