./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2 --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 e1d78d248c74132bd311292745f8a4e0496a51de00b4b221480ef3ff016a6c65 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:39:19,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:39:19,417 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:39:19,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:39:19,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:39:19,462 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:39:19,463 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:39:19,463 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:39:19,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:39:19,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:39:19,465 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:39:19,466 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:39:19,466 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:39:19,468 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:39:19,468 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:39:19,469 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:39:19,469 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:39:19,473 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:39:19,474 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:39:19,474 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:39:19,474 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:39:19,475 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:39:19,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:39:19,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:39:19,476 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:39:19,476 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:39:19,477 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:39:19,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:39:19,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:39:19,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:39:19,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:39:19,478 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:39:19,478 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:39:19,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:39:19,481 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:39:19,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:39:19,481 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:39:19,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:39:19,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:19,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:39:19,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:39:19,483 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:39:19,483 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:39:19,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:39:19,484 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:39:19,485 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:39:19,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:39:19,485 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_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1d78d248c74132bd311292745f8a4e0496a51de00b4b221480ef3ff016a6c65 [2024-11-02 12:39:19,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:39:19,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:39:19,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:39:19,902 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:39:19,905 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:39:19,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-28.i Unable to find full path for "g++" [2024-11-02 12:39:22,392 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:39:22,665 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:39:22,668 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-28.i [2024-11-02 12:39:22,681 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/data/808ad5867/e305b43307a04e1c9e32f114c0b27412/FLAGdaee17cd4 [2024-11-02 12:39:22,703 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/data/808ad5867/e305b43307a04e1c9e32f114c0b27412 [2024-11-02 12:39:22,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:39:22,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:39:22,711 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:22,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:39:22,719 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:39:22,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:22" (1/1) ... [2024-11-02 12:39:22,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d278cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:22, skipping insertion in model container [2024-11-02 12:39:22,722 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:22" (1/1) ... [2024-11-02 12:39:22,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:39:23,009 WARN L251 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_40094393-087e-4451-a976-2185e1a4c991/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-28.i[916,929] [2024-11-02 12:39:23,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:23,123 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:39:23,137 WARN L251 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_40094393-087e-4451-a976-2185e1a4c991/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-28.i[916,929] [2024-11-02 12:39:23,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:23,237 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:39:23,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:23 WrapperNode [2024-11-02 12:39:23,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:23,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:23,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:39:23,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:39:23,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:23" (1/1) ... [2024-11-02 12:39:23,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:23" (1/1) ... [2024-11-02 12:39:23,305 INFO L138 Inliner]: procedures = 30, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 575 [2024-11-02 12:39:23,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:23,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:39:23,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:39:23,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:39:23,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:23" (1/1) ... [2024-11-02 12:39:23,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:23" (1/1) ... [2024-11-02 12:39:23,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:23" (1/1) ... [2024-11-02 12:39:23,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:23" (1/1) ... [2024-11-02 12:39:23,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:23" (1/1) ... [2024-11-02 12:39:23,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:23" (1/1) ... [2024-11-02 12:39:23,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:23" (1/1) ... [2024-11-02 12:39:23,367 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:23" (1/1) ... [2024-11-02 12:39:23,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:39:23,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:39:23,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:39:23,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:39:23,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:23" (1/1) ... [2024-11-02 12:39:23,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:23,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:39:23,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:39:23,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:39:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:39:23,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-02 12:39:23,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:39:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:39:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-02 12:39:23,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-02 12:39:23,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:39:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:39:23,504 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:39:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:39:23,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:39:23,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:39:23,702 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:39:23,705 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:39:24,556 INFO L? ?]: Removed 172 outVars from TransFormulas that were not future-live. [2024-11-02 12:39:24,557 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:39:25,150 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:39:25,151 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:39:25,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:25 BoogieIcfgContainer [2024-11-02 12:39:25,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:39:25,153 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:39:25,153 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:39:25,157 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:39:25,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:39:22" (1/3) ... [2024-11-02 12:39:25,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610e3068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:25, skipping insertion in model container [2024-11-02 12:39:25,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:23" (2/3) ... [2024-11-02 12:39:25,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610e3068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:25, skipping insertion in model container [2024-11-02 12:39:25,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:25" (3/3) ... [2024-11-02 12:39:25,162 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-28.i [2024-11-02 12:39:25,180 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:39:25,181 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:39:25,255 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:39:25,262 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3d651536, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:39:25,263 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:39:25,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 12:39:25,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-02 12:39:25,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:39:25,282 INFO L215 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:39:25,284 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:39:25,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:39:25,291 INFO L85 PathProgramCache]: Analyzing trace with hash 258201203, now seen corresponding path program 1 times [2024-11-02 12:39:25,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:39:25,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624315700] [2024-11-02 12:39:25,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:39:25,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:39:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:39:26,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:39:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:39:27,848 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:39:27,851 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:39:27,853 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:39:27,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:39:27,861 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:39:27,936 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:39:27,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:39:27 BoogieIcfgContainer [2024-11-02 12:39:27,944 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:39:27,946 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:39:27,946 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:39:27,947 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:39:27,948 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:25" (3/4) ... [2024-11-02 12:39:27,951 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:39:27,952 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:39:27,954 INFO L158 Benchmark]: Toolchain (without parser) took 5243.40ms. Allocated memory was 130.0MB in the beginning and 253.8MB in the end (delta: 123.7MB). Free memory was 91.5MB in the beginning and 179.2MB in the end (delta: -87.7MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2024-11-02 12:39:27,955 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory was 77.2MB in the beginning and 77.1MB in the end (delta: 126.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:39:27,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.90ms. Allocated memory is still 130.0MB. Free memory was 91.5MB in the beginning and 72.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-02 12:39:27,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.23ms. Allocated memory is still 130.0MB. Free memory was 72.3MB in the beginning and 68.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:39:27,958 INFO L158 Benchmark]: Boogie Preprocessor took 89.44ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 68.1MB in the beginning and 140.1MB in the end (delta: -72.0MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-11-02 12:39:27,961 INFO L158 Benchmark]: RCFGBuilder took 1752.83ms. Allocated memory is still 172.0MB. Free memory was 140.0MB in the beginning and 96.7MB in the end (delta: 43.3MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. [2024-11-02 12:39:27,961 INFO L158 Benchmark]: TraceAbstraction took 2791.00ms. Allocated memory was 172.0MB in the beginning and 253.8MB in the end (delta: 81.8MB). Free memory was 96.7MB in the beginning and 180.3MB in the end (delta: -83.6MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. [2024-11-02 12:39:27,962 INFO L158 Benchmark]: Witness Printer took 6.40ms. Allocated memory is still 253.8MB. Free memory was 180.3MB in the beginning and 179.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:39:27,966 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory was 77.2MB in the beginning and 77.1MB in the end (delta: 126.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.90ms. Allocated memory is still 130.0MB. Free memory was 91.5MB in the beginning and 72.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.23ms. Allocated memory is still 130.0MB. Free memory was 72.3MB in the beginning and 68.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.44ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 68.1MB in the beginning and 140.1MB in the end (delta: -72.0MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1752.83ms. Allocated memory is still 172.0MB. Free memory was 140.0MB in the beginning and 96.7MB in the end (delta: 43.3MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2791.00ms. Allocated memory was 172.0MB in the beginning and 253.8MB in the end (delta: 81.8MB). Free memory was 96.7MB in the beginning and 180.3MB in the end (delta: -83.6MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. * Witness Printer took 6.40ms. Allocated memory is still 253.8MB. Free memory was 180.3MB in the beginning and 179.2MB in the end (delta: 1.1MB). 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 62, overapproximation of bitwiseOr at line 72. Possible FailurePath: [L39] unsigned char isInitial = 0; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 1, 63.75, 255.75, 10, 4, -10, 4.75, 99.5, 255.9, 24.85, -2, 1629954775, 1928642731, 0, 5 }; [L111] isInitial = 1 [L112] FCALL initially() [L113] COND TRUE 1 [L114] FCALL updateLastVariables() [L115] CALL updateVariables() [L80] WrapperStruct00.var_1_2 = __VERIFIER_nondet_float() [L81] EXPR WrapperStruct00.var_1_2 [L81] EXPR WrapperStruct00.var_1_2 >= 0.0F && WrapperStruct00.var_1_2 <= -1.0e-20F [L81] EXPR (WrapperStruct00.var_1_2 >= 0.0F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F ) [L81] EXPR WrapperStruct00.var_1_2 [L81] EXPR WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F [L81] EXPR WrapperStruct00.var_1_2 [L81] EXPR WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F [L81] EXPR (WrapperStruct00.var_1_2 >= 0.0F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L81] CALL assume_abort_if_not((WrapperStruct00.var_1_2 >= 0.0F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not((WrapperStruct00.var_1_2 >= 0.0F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L82] WrapperStruct00.var_1_3 = __VERIFIER_nondet_float() [L83] EXPR WrapperStruct00.var_1_3 [L83] EXPR WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F [L83] EXPR WrapperStruct00.var_1_3 [L83] EXPR WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F [L83] EXPR (WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L83] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L84] WrapperStruct00.var_1_5 = __VERIFIER_nondet_char() [L85] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L85] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= -1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= -1) VAL [WrapperStruct00={4:0}, isInitial=1] [L86] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1] [L87] WrapperStruct00.var_1_6 = __VERIFIER_nondet_char() [L88] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L89] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1] [L90] WrapperStruct00.var_1_7 = __VERIFIER_nondet_char() [L91] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] WrapperStruct00.var_1_9 = __VERIFIER_nondet_float() [L94] EXPR WrapperStruct00.var_1_9 [L94] EXPR WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L94] EXPR (WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) [L94] EXPR WrapperStruct00.var_1_9 [L94] EXPR WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F [L94] EXPR WrapperStruct00.var_1_9 [L94] EXPR WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F [L94] EXPR (WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L94] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L95] WrapperStruct00.var_1_10 = __VERIFIER_nondet_float() [L96] EXPR WrapperStruct00.var_1_10 [L96] EXPR WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L96] EXPR (WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) [L96] EXPR WrapperStruct00.var_1_10 [L96] EXPR WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F [L96] EXPR WrapperStruct00.var_1_10 [L96] EXPR WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F [L96] EXPR (WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] WrapperStruct00.var_1_13 = __VERIFIER_nondet_long() [L98] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 1073741822) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 1073741822) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 2147483646) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 2147483646) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] WrapperStruct00.var_1_15 = __VERIFIER_nondet_long() [L101] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 1073741823) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 1073741823) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 2147483646) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 2147483646) VAL [WrapperStruct00={4:0}, isInitial=1] [L115] RET updateVariables() [L116] CALL step() [L60] signed long int stepLocal_0 = -4; [L61] EXPR WrapperStruct00.var_1_6 [L61] COND TRUE stepLocal_0 < WrapperStruct00.var_1_6 [L62] EXPR WrapperStruct00.var_1_9 [L62] EXPR WrapperStruct00.var_1_10 [L62] EXPR ((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10) [L62] EXPR WrapperStruct00.var_1_9 [L62] EXPR ((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10) [L62] WrapperStruct00.var_1_8 = ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))) [L64] EXPR WrapperStruct00.var_1_9 [L64] EXPR WrapperStruct00.var_1_10 [L64] EXPR ((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10) [L64] EXPR WrapperStruct00.var_1_9 [L64] EXPR ((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10) [L64] WrapperStruct00.var_1_11 = ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))) [L65] EXPR WrapperStruct00.var_1_5 [L65] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_5 [L66] EXPR WrapperStruct00.var_1_6 [L66] WrapperStruct00.var_1_19 = WrapperStruct00.var_1_6 [L67] EXPR WrapperStruct00.var_1_2 [L67] EXPR WrapperStruct00.var_1_3 [L67] EXPR WrapperStruct00.var_1_8 [L67] COND FALSE !((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) <= (- WrapperStruct00.var_1_8)) [L70] EXPR WrapperStruct00.var_1_5 [L70] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_5 [L72] EXPR WrapperStruct00.var_1_6 [L72] EXPR WrapperStruct00.var_1_6 | 5 [L72] signed long int stepLocal_1 = WrapperStruct00.var_1_6 | 5; [L73] EXPR WrapperStruct00.var_1_5 [L73] EXPR WrapperStruct00.var_1_7 [L73] EXPR ((WrapperStruct00.var_1_5) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_7) [L73] EXPR WrapperStruct00.var_1_7 [L73] EXPR ((WrapperStruct00.var_1_5) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_7) [L73] COND TRUE stepLocal_1 <= ((((WrapperStruct00.var_1_5) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_7))) [L74] EXPR WrapperStruct00.var_1_6 [L74] EXPR WrapperStruct00.var_1_13 [L74] EXPR WrapperStruct00.var_1_19 [L74] EXPR ((WrapperStruct00.var_1_6) < ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_6) : ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19)) [L74] EXPR WrapperStruct00.var_1_6 [L74] EXPR ((WrapperStruct00.var_1_6) < ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_6) : ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19)) [L74] EXPR WrapperStruct00.var_1_15 [L74] EXPR WrapperStruct00.var_1_5 [L74] EXPR ((WrapperStruct00.var_1_5) < 0 ) ? -(WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_5) [L74] EXPR WrapperStruct00.var_1_5 [L74] EXPR ((WrapperStruct00.var_1_5) < 0 ) ? -(WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_5) [L74] WrapperStruct00.var_1_12 = (((((WrapperStruct00.var_1_6) < ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_6) : ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19)))) - (WrapperStruct00.var_1_15 - ((((WrapperStruct00.var_1_5) < 0 ) ? -(WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_5))))) [L116] RET step() [L117] CALL, EXPR property() [L107] EXPR WrapperStruct00.var_1_2 [L107] EXPR WrapperStruct00.var_1_3 [L107] EXPR WrapperStruct00.var_1_8 [L107] EXPR ((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) <= (- WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((signed char) (((((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_5)) [L107] EXPR WrapperStruct00.var_1_1 [L107] EXPR WrapperStruct00.var_1_5 [L107] EXPR WrapperStruct00.var_1_6 [L107] EXPR WrapperStruct00.var_1_7 [L107] EXPR (((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7) [L107] EXPR WrapperStruct00.var_1_5 [L107] EXPR WrapperStruct00.var_1_6 [L107] EXPR (((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7) [L107] EXPR ((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) <= (- WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((signed char) (((((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_5)) [L107] EXPR (((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) <= (- WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((signed char) (((((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_5))) && ((-4 < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1) [L107] EXPR ((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) <= (- WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((signed char) (((((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_5))) && ((-4 < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1)) && (WrapperStruct00.var_1_11 == ((float) ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) [L107] EXPR (((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) <= (- WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((signed char) (((((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_5))) && ((-4 < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1)) && (WrapperStruct00.var_1_11 == ((float) ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10)))))) && (((WrapperStruct00.var_1_6 | 5) <= ((((WrapperStruct00.var_1_5) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_7)))) ? (WrapperStruct00.var_1_12 == ((signed long int) (((((WrapperStruct00.var_1_6) < ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_6) : ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19)))) - (WrapperStruct00.var_1_15 - ((((WrapperStruct00.var_1_5) < 0 ) ? -(WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_5))))))) : (WrapperStruct00.var_1_12 == ((signed long int) (WrapperStruct00.var_1_6 + (((((WrapperStruct00.var_1_19) < (WrapperStruct00.var_1_19)) ? (WrapperStruct00.var_1_19) : (WrapperStruct00.var_1_19))) - WrapperStruct00.var_1_19))))) [L107] EXPR ((((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) <= (- WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((signed char) (((((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_5))) && ((-4 < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1)) && (WrapperStruct00.var_1_11 == ((float) ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10)))))) && (((WrapperStruct00.var_1_6 | 5) <= ((((WrapperStruct00.var_1_5) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_7)))) ? (WrapperStruct00.var_1_12 == ((signed long int) (((((WrapperStruct00.var_1_6) < ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_6) : ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19)))) - (WrapperStruct00.var_1_15 - ((((WrapperStruct00.var_1_5) < 0 ) ? -(WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_5))))))) : (WrapperStruct00.var_1_12 == ((signed long int) (WrapperStruct00.var_1_6 + (((((WrapperStruct00.var_1_19) < (WrapperStruct00.var_1_19)) ? (WrapperStruct00.var_1_19) : (WrapperStruct00.var_1_19))) - WrapperStruct00.var_1_19)))))) && (WrapperStruct00.var_1_18 == ((signed short int) WrapperStruct00.var_1_5)) [L107] EXPR (((((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) <= (- WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((signed char) (((((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_5))) && ((-4 < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1)) && (WrapperStruct00.var_1_11 == ((float) ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10)))))) && (((WrapperStruct00.var_1_6 | 5) <= ((((WrapperStruct00.var_1_5) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_7)))) ? (WrapperStruct00.var_1_12 == ((signed long int) (((((WrapperStruct00.var_1_6) < ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_6) : ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19)))) - (WrapperStruct00.var_1_15 - ((((WrapperStruct00.var_1_5) < 0 ) ? -(WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_5))))))) : (WrapperStruct00.var_1_12 == ((signed long int) (WrapperStruct00.var_1_6 + (((((WrapperStruct00.var_1_19) < (WrapperStruct00.var_1_19)) ? (WrapperStruct00.var_1_19) : (WrapperStruct00.var_1_19))) - WrapperStruct00.var_1_19)))))) && (WrapperStruct00.var_1_18 == ((signed short int) WrapperStruct00.var_1_5))) && (WrapperStruct00.var_1_19 == ((unsigned short int) WrapperStruct00.var_1_6)) [L107-L108] return (((((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) <= (- WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((signed char) (((((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_5))) && ((-4 < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1)) && (WrapperStruct00.var_1_11 == ((float) ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10)))))) && (((WrapperStruct00.var_1_6 | 5) <= ((((WrapperStruct00.var_1_5) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_7)))) ? (WrapperStruct00.var_1_12 == ((signed long int) (((((WrapperStruct00.var_1_6) < ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_6) : ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19)))) - (WrapperStruct00.var_1_15 - ((((WrapperStruct00.var_1_5) < 0 ) ? -(WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_5))))))) : (WrapperStruct00.var_1_12 == ((signed long int) (WrapperStruct00.var_1_6 + (((((WrapperStruct00.var_1_19) < (WrapperStruct00.var_1_19)) ? (WrapperStruct00.var_1_19) : (WrapperStruct00.var_1_19))) - WrapperStruct00.var_1_19)))))) && (WrapperStruct00.var_1_18 == ((signed short int) WrapperStruct00.var_1_5))) && (WrapperStruct00.var_1_19 == ((unsigned short int) WrapperStruct00.var_1_6)) ; [L117] RET, EXPR property() [L117] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 1, TraceHistogramMax: 14, 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=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:39:28,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2 --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 e1d78d248c74132bd311292745f8a4e0496a51de00b4b221480ef3ff016a6c65 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:39:30,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:39:31,078 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:39:31,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:39:31,087 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:39:31,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:39:31,126 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:39:31,126 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:39:31,127 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:39:31,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:39:31,129 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:39:31,129 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:39:31,130 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:39:31,130 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:39:31,132 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:39:31,133 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:39:31,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:39:31,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:39:31,134 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:39:31,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:39:31,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:39:31,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:39:31,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:39:31,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:39:31,140 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:39:31,140 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:39:31,140 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:39:31,140 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:39:31,141 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:39:31,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:39:31,141 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:39:31,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:39:31,142 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:39:31,142 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:39:31,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:39:31,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:31,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:39:31,145 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:39:31,145 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:39:31,146 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:39:31,146 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:39:31,147 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:39:31,148 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:39:31,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:39:31,157 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_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1d78d248c74132bd311292745f8a4e0496a51de00b4b221480ef3ff016a6c65 [2024-11-02 12:39:31,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:39:31,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:39:31,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:39:31,618 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:39:31,618 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:39:31,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-28.i Unable to find full path for "g++" [2024-11-02 12:39:34,012 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:39:34,268 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:39:34,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-28.i [2024-11-02 12:39:34,280 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/data/e83f4016a/946e9a8cbb854fe48f2fc97d5a5b1ba4/FLAG9831e249c [2024-11-02 12:39:34,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/data/e83f4016a/946e9a8cbb854fe48f2fc97d5a5b1ba4 [2024-11-02 12:39:34,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:39:34,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:39:34,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:34,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:39:34,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:39:34,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:34" (1/1) ... [2024-11-02 12:39:34,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@789df1e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:34, skipping insertion in model container [2024-11-02 12:39:34,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:34" (1/1) ... [2024-11-02 12:39:34,638 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:39:34,870 WARN L251 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_40094393-087e-4451-a976-2185e1a4c991/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-28.i[916,929] [2024-11-02 12:39:34,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:35,025 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:39:35,045 WARN L251 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_40094393-087e-4451-a976-2185e1a4c991/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-28.i[916,929] [2024-11-02 12:39:35,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:35,272 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:39:35,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35 WrapperNode [2024-11-02 12:39:35,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:35,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:35,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:39:35,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:39:35,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,398 INFO L138 Inliner]: procedures = 37, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 552 [2024-11-02 12:39:35,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:35,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:39:35,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:39:35,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:39:35,414 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:39:35,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:39:35,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:39:35,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:39:35,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:35,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:39:35,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:39:35,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:39:35,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:39:35,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-02 12:39:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:39:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-02 12:39:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-02 12:39:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-02 12:39:35,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-02 12:39:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-02 12:39:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2024-11-02 12:39:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-02 12:39:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:39:35,605 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:39:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-02 12:39:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:39:35,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:39:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-02 12:39:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-02 12:39:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-02 12:39:35,831 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:39:35,835 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:39:38,376 INFO L? ?]: Removed 174 outVars from TransFormulas that were not future-live. [2024-11-02 12:39:38,377 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:39:38,399 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:39:38,400 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:39:38,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:38 BoogieIcfgContainer [2024-11-02 12:39:38,401 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:39:38,405 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:39:38,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:39:38,409 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:39:38,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:39:34" (1/3) ... [2024-11-02 12:39:38,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87578cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:38, skipping insertion in model container [2024-11-02 12:39:38,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (2/3) ... [2024-11-02 12:39:38,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87578cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:38, skipping insertion in model container [2024-11-02 12:39:38,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:38" (3/3) ... [2024-11-02 12:39:38,415 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-28.i [2024-11-02 12:39:38,435 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:39:38,435 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:39:38,525 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:39:38,532 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7d990d49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:39:38,533 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:39:38,538 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 98 states have (on average 1.4285714285714286) internal successors, (140), 99 states have internal predecessors, (140), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 12:39:38,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-02 12:39:38,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:39:38,556 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:39:38,557 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:39:38,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:39:38,563 INFO L85 PathProgramCache]: Analyzing trace with hash 2114448736, now seen corresponding path program 1 times [2024-11-02 12:39:38,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:39:38,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1320316484] [2024-11-02 12:39:38,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:39:38,586 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:39:38,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:39:38,591 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:39:38,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-02 12:39:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:39:39,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:39:39,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:39:39,317 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-02 12:39:39,318 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:39:39,319 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:39:39,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1320316484] [2024-11-02 12:39:39,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1320316484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:39:39,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:39:39,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:39:39,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058458437] [2024-11-02 12:39:39,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:39:39,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:39:39,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:39:39,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:39:39,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:39:39,364 INFO L87 Difference]: Start difference. First operand has 115 states, 98 states have (on average 1.4285714285714286) internal successors, (140), 99 states have internal predecessors, (140), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-02 12:39:39,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:39:39,415 INFO L93 Difference]: Finished difference Result 223 states and 344 transitions. [2024-11-02 12:39:39,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:39:39,419 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2024-11-02 12:39:39,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:39:39,430 INFO L225 Difference]: With dead ends: 223 [2024-11-02 12:39:39,430 INFO L226 Difference]: Without dead ends: 111 [2024-11-02 12:39:39,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:39:39,443 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:39:39,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:39:39,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-02 12:39:39,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-02 12:39:39,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 95 states have (on average 1.4) internal successors, (133), 95 states have internal predecessors, (133), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 12:39:39,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 161 transitions. [2024-11-02 12:39:39,523 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 161 transitions. Word has length 128 [2024-11-02 12:39:39,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:39:39,525 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 161 transitions. [2024-11-02 12:39:39,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-02 12:39:39,526 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 161 transitions. [2024-11-02 12:39:39,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-02 12:39:39,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:39:39,534 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:39:39,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-02 12:39:39,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:39:39,735 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:39:39,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:39:39,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1153224588, now seen corresponding path program 1 times [2024-11-02 12:39:39,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:39:39,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220880751] [2024-11-02 12:39:39,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:39:39,741 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:39:39,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:39:39,745 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:39:39,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-02 12:39:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:39:40,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:39:40,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:39:40,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-02 12:39:40,456 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-02 12:39:40,456 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:39:40,456 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:39:40,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [220880751] [2024-11-02 12:39:40,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [220880751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:39:40,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:39:40,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:39:40,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485540282] [2024-11-02 12:39:40,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:39:40,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:39:40,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:39:40,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:39:40,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:39:40,462 INFO L87 Difference]: Start difference. First operand 111 states and 161 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-02 12:39:40,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:39:40,524 INFO L93 Difference]: Finished difference Result 219 states and 319 transitions. [2024-11-02 12:39:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:39:40,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 128 [2024-11-02 12:39:40,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:39:40,531 INFO L225 Difference]: With dead ends: 219 [2024-11-02 12:39:40,531 INFO L226 Difference]: Without dead ends: 111 [2024-11-02 12:39:40,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:39:40,535 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:39:40,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 314 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:39:40,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-02 12:39:40,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-02 12:39:40,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 95 states have (on average 1.3894736842105264) internal successors, (132), 95 states have internal predecessors, (132), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 12:39:40,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2024-11-02 12:39:40,563 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 128 [2024-11-02 12:39:40,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:39:40,565 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2024-11-02 12:39:40,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-02 12:39:40,565 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2024-11-02 12:39:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-02 12:39:40,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:39:40,571 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:39:40,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-02 12:39:40,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:39:40,772 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:39:40,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:39:40,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1147598002, now seen corresponding path program 1 times [2024-11-02 12:39:40,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:39:40,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1042400556] [2024-11-02 12:39:40,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:39:40,775 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:39:40,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:39:40,779 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:39:40,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-02 12:39:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:39:41,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:39:41,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:39:41,399 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-02 12:39:41,400 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:39:41,400 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:39:41,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1042400556] [2024-11-02 12:39:41,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1042400556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:39:41,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:39:41,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-02 12:39:41,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901838555] [2024-11-02 12:39:41,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:39:41,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:39:41,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:39:41,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:39:41,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:39:41,404 INFO L87 Difference]: Start difference. First operand 111 states and 160 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-02 12:39:41,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:39:41,561 INFO L93 Difference]: Finished difference Result 226 states and 327 transitions. [2024-11-02 12:39:41,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:39:41,562 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 128 [2024-11-02 12:39:41,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:39:41,566 INFO L225 Difference]: With dead ends: 226 [2024-11-02 12:39:41,569 INFO L226 Difference]: Without dead ends: 118 [2024-11-02 12:39:41,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:39:41,575 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 1 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:39:41,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 744 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:39:41,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-02 12:39:41,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2024-11-02 12:39:41,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 12:39:41,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 166 transitions. [2024-11-02 12:39:41,596 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 166 transitions. Word has length 128 [2024-11-02 12:39:41,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:39:41,597 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 166 transitions. [2024-11-02 12:39:41,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-02 12:39:41,600 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 166 transitions. [2024-11-02 12:39:41,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-02 12:39:41,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:39:41,607 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:39:41,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-02 12:39:41,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:39:41,808 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:39:41,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:39:41,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1372361932, now seen corresponding path program 1 times [2024-11-02 12:39:41,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:39:41,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [535738562] [2024-11-02 12:39:41,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:39:41,810 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:39:41,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:39:41,814 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:39:41,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-02 12:39:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:39:42,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-02 12:39:42,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:39:42,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-02 12:39:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-02 12:39:42,608 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:39:42,608 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:39:42,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [535738562] [2024-11-02 12:39:42,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [535738562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:39:42,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:39:42,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:39:42,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599201701] [2024-11-02 12:39:42,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:39:42,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:39:42,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:39:42,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:39:42,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:39:42,611 INFO L87 Difference]: Start difference. First operand 117 states and 166 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-02 12:39:44,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:39:44,803 INFO L93 Difference]: Finished difference Result 232 states and 330 transitions. [2024-11-02 12:39:44,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:39:44,805 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 128 [2024-11-02 12:39:44,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:39:44,806 INFO L225 Difference]: With dead ends: 232 [2024-11-02 12:39:44,806 INFO L226 Difference]: Without dead ends: 118 [2024-11-02 12:39:44,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-02 12:39:44,811 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 154 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:39:44,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 458 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-02 12:39:44,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-02 12:39:44,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2024-11-02 12:39:44,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 101 states have (on average 1.3564356435643565) internal successors, (137), 101 states have internal predecessors, (137), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 12:39:44,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 165 transitions. [2024-11-02 12:39:44,835 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 165 transitions. Word has length 128 [2024-11-02 12:39:44,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:39:44,839 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 165 transitions. [2024-11-02 12:39:44,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-02 12:39:44,839 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 165 transitions. [2024-11-02 12:39:44,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-02 12:39:44,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:39:44,841 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:39:44,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-02 12:39:45,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:39:45,043 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:39:45,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:39:45,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1025550586, now seen corresponding path program 1 times [2024-11-02 12:39:45,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:39:45,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [905341477] [2024-11-02 12:39:45,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:39:45,048 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:39:45,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:39:45,049 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:39:45,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-02 12:39:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:39:45,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-02 12:39:45,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:39:45,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-02 12:39:45,975 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-02 12:39:45,980 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:39:45,980 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:39:45,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [905341477] [2024-11-02 12:39:45,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [905341477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:39:45,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:39:45,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:39:45,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253974457] [2024-11-02 12:39:45,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:39:45,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:39:45,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:39:45,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:39:45,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:39:45,983 INFO L87 Difference]: Start difference. First operand 117 states and 165 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-02 12:39:48,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:39:48,253 INFO L93 Difference]: Finished difference Result 232 states and 328 transitions. [2024-11-02 12:39:48,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:39:48,255 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2024-11-02 12:39:48,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:39:48,257 INFO L225 Difference]: With dead ends: 232 [2024-11-02 12:39:48,257 INFO L226 Difference]: Without dead ends: 118 [2024-11-02 12:39:48,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-02 12:39:48,259 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 142 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-02 12:39:48,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 453 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-02 12:39:48,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-02 12:39:48,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2024-11-02 12:39:48,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 101 states have internal predecessors, (136), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 12:39:48,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 164 transitions. [2024-11-02 12:39:48,270 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 164 transitions. Word has length 130 [2024-11-02 12:39:48,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:39:48,271 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 164 transitions. [2024-11-02 12:39:48,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-02 12:39:48,271 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 164 transitions. [2024-11-02 12:39:48,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-02 12:39:48,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:39:48,274 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:39:48,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-02 12:39:48,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:39:48,475 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:39:48,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:39:48,476 INFO L85 PathProgramCache]: Analyzing trace with hash -727615500, now seen corresponding path program 1 times [2024-11-02 12:39:48,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:39:48,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1967099521] [2024-11-02 12:39:48,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:39:48,480 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:39:48,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:39:48,484 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:39:48,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-02 12:39:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:39:49,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-02 12:39:49,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:39:49,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-02 12:39:49,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2024-11-02 12:39:49,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2024-11-02 12:39:50,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2024-11-02 12:39:50,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2024-11-02 12:39:50,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2024-11-02 12:39:50,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 14 [2024-11-02 12:39:50,732 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 169 proven. 27 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-02 12:39:50,733 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:39:51,312 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-02 12:39:51,312 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:39:51,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1967099521] [2024-11-02 12:39:51,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1967099521] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:39:51,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1281024291] [2024-11-02 12:39:51,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:39:51,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 12:39:51,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 12:39:51,317 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 12:39:51,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40094393-087e-4451-a976-2185e1a4c991/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process