./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/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_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/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_e012c845-7a0e-4888-a9c7-e6215e4dbc97/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 06557c270490180718c8b17df780a67c95f9f8a79364859de2d5e3b0ea99ce3e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:34:17,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:34:17,963 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:34:17,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:34:17,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:34:18,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:34:18,008 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:34:18,008 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:34:18,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:34:18,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:34:18,013 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:34:18,013 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:34:18,014 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:34:18,014 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:34:18,014 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:34:18,014 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:34:18,015 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:34:18,015 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:34:18,015 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:34:18,020 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:34:18,020 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:34:18,021 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:34:18,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:34:18,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:34:18,022 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:34:18,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:34:18,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:34:18,023 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:34:18,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:34:18,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:34:18,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:34:18,026 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:34:18,026 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:34:18,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:34:18,027 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:34:18,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:34:18,027 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:34:18,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:34:18,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:34:18,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:34:18,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:34:18,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:34:18,029 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:34:18,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:34:18,030 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:34:18,030 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:34:18,030 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:34:18,031 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_e012c845-7a0e-4888-a9c7-e6215e4dbc97/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06557c270490180718c8b17df780a67c95f9f8a79364859de2d5e3b0ea99ce3e [2024-11-02 12:34:18,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:34:18,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:34:18,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:34:18,366 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:34:18,367 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:34:18,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i Unable to find full path for "g++" [2024-11-02 12:34:20,472 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:34:20,676 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:34:20,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i [2024-11-02 12:34:20,689 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/data/36b7442ab/6828fec4a002469180a7ec2bfdeb6724/FLAG480871af6 [2024-11-02 12:34:21,075 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/data/36b7442ab/6828fec4a002469180a7ec2bfdeb6724 [2024-11-02 12:34:21,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:34:21,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:34:21,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:34:21,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:34:21,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:34:21,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:34:21" (1/1) ... [2024-11-02 12:34:21,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18311a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:21, skipping insertion in model container [2024-11-02 12:34:21,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:34:21" (1/1) ... [2024-11-02 12:34:21,139 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:34:21,466 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_e012c845-7a0e-4888-a9c7-e6215e4dbc97/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i[916,929] [2024-11-02 12:34:21,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:34:21,567 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:34:21,578 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_e012c845-7a0e-4888-a9c7-e6215e4dbc97/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i[916,929] [2024-11-02 12:34:21,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:34:21,648 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:34:21,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:21 WrapperNode [2024-11-02 12:34:21,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:34:21,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:34:21,650 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:34:21,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:34:21,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:21" (1/1) ... [2024-11-02 12:34:21,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:21" (1/1) ... [2024-11-02 12:34:21,719 INFO L138 Inliner]: procedures = 29, calls = 162, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 477 [2024-11-02 12:34:21,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:34:21,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:34:21,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:34:21,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:34:21,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:21" (1/1) ... [2024-11-02 12:34:21,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:21" (1/1) ... [2024-11-02 12:34:21,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:21" (1/1) ... [2024-11-02 12:34:21,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:21" (1/1) ... [2024-11-02 12:34:21,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:21" (1/1) ... [2024-11-02 12:34:21,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:21" (1/1) ... [2024-11-02 12:34:21,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:21" (1/1) ... [2024-11-02 12:34:21,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:21" (1/1) ... [2024-11-02 12:34:21,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:34:21,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:34:21,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:34:21,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:34:21,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:21" (1/1) ... [2024-11-02 12:34:21,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:34:21,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:34:21,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:34:21,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:34:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:34:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-02 12:34:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:34:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-02 12:34:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:34:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-02 12:34:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:34:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:34:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:34:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:34:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:34:22,117 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:34:22,120 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:34:22,867 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-02 12:34:22,867 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:34:23,451 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:34:23,452 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:34:23,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:23 BoogieIcfgContainer [2024-11-02 12:34:23,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:34:23,458 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:34:23,459 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:34:23,462 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:34:23,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:34:21" (1/3) ... [2024-11-02 12:34:23,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c9abc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:34:23, skipping insertion in model container [2024-11-02 12:34:23,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:21" (2/3) ... [2024-11-02 12:34:23,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c9abc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:34:23, skipping insertion in model container [2024-11-02 12:34:23,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:23" (3/3) ... [2024-11-02 12:34:23,468 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-69.i [2024-11-02 12:34:23,488 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:34:23,489 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:34:23,568 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:34:23,575 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;@351e6c31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:34:23,575 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:34:23,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-02 12:34:23,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-02 12:34:23,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:23,589 INFO L215 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:23,591 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:23,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:23,598 INFO L85 PathProgramCache]: Analyzing trace with hash -729461293, now seen corresponding path program 1 times [2024-11-02 12:34:23,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:34:23,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4056787] [2024-11-02 12:34:23,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:23,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:34:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:34:24,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1234946411] [2024-11-02 12:34:24,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:24,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:34:24,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:34:24,805 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:34:24,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:34:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:34:26,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:34:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:34:28,171 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:34:28,174 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:34:28,175 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:34:28,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 12:34:28,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 12:34:28,382 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:34:28,490 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:34:28,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:34:28 BoogieIcfgContainer [2024-11-02 12:34:28,495 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:34:28,496 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:34:28,496 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:34:28,497 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:34:28,497 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:23" (3/4) ... [2024-11-02 12:34:28,500 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:34:28,502 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:34:28,504 INFO L158 Benchmark]: Toolchain (without parser) took 7418.28ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 121.5MB in the beginning and 60.4MB in the end (delta: 61.1MB). Peak memory consumption was 98.8MB. Max. memory is 16.1GB. [2024-11-02 12:34:28,504 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:34:28,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.48ms. Allocated memory is still 159.4MB. Free memory was 121.1MB in the beginning and 104.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:34:28,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.88ms. Allocated memory is still 159.4MB. Free memory was 104.8MB in the beginning and 101.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:34:28,509 INFO L158 Benchmark]: Boogie Preprocessor took 66.09ms. Allocated memory is still 159.4MB. Free memory was 101.1MB in the beginning and 97.8MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:34:28,510 INFO L158 Benchmark]: RCFGBuilder took 1665.79ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 97.8MB in the beginning and 152.3MB in the end (delta: -54.5MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2024-11-02 12:34:28,510 INFO L158 Benchmark]: TraceAbstraction took 5037.89ms. Allocated memory is still 195.0MB. Free memory was 151.4MB in the beginning and 61.4MB in the end (delta: 89.9MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. [2024-11-02 12:34:28,511 INFO L158 Benchmark]: Witness Printer took 5.97ms. Allocated memory is still 195.0MB. Free memory was 61.4MB in the beginning and 60.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:34:28,515 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.48ms. Allocated memory is still 159.4MB. Free memory was 121.1MB in the beginning and 104.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.88ms. Allocated memory is still 159.4MB. Free memory was 104.8MB in the beginning and 101.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.09ms. Allocated memory is still 159.4MB. Free memory was 101.1MB in the beginning and 97.8MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1665.79ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 97.8MB in the beginning and 152.3MB in the end (delta: -54.5MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5037.89ms. Allocated memory is still 195.0MB. Free memory was 151.4MB in the beginning and 61.4MB in the end (delta: 89.9MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. * Witness Printer took 5.97ms. Allocated memory is still 195.0MB. Free memory was 61.4MB in the beginning and 60.4MB 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 someBinaryDOUBLEComparisonOperation at line 106. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L25-L27] double double_Array_0[2] = { 15.5, 4.625 }; [L28-L30] signed char signed_char_Array_0[2] = { -8, -64 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { -100 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[2][2] = { {500, 8}, {256, 0} }; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] FCALL updateLastVariables() [L114] CALL updateVariables() [L79] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L80] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L82] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L83] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] double_Array_0[0] = __VERIFIER_nondet_double() [L86] EXPR double_Array_0[0] [L86] EXPR double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F [L86] EXPR (double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) [L86] EXPR double_Array_0[0] [L86] EXPR double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F [L86] EXPR double_Array_0[0] [L86] EXPR double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F [L86] EXPR (double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L86] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] signed_char_Array_0[0] = __VERIFIER_nondet_char() [L88] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L88] CALL assume_abort_if_not(signed_char_Array_0[0] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(signed_char_Array_0[0] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] CALL assume_abort_if_not(signed_char_Array_0[0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(signed_char_Array_0[0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L90] unsigned_long_int_Array_0[0][0] = __VERIFIER_nondet_ulong() [L91] EXPR unsigned_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L91] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(unsigned_long_int_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L92] EXPR unsigned_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L92] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][0] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(unsigned_long_int_Array_0[0][0] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L93] unsigned_long_int_Array_0[1][0] = __VERIFIER_nondet_ulong() [L94] EXPR unsigned_long_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L95] EXPR unsigned_long_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L95] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L96] unsigned_long_int_Array_0[0][1] = __VERIFIER_nondet_ulong() [L97] EXPR unsigned_long_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L97] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(unsigned_long_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] EXPR unsigned_long_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][1] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(unsigned_long_int_Array_0[0][1] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L99] unsigned_long_int_Array_0[1][1] = __VERIFIER_nondet_ulong() [L100] EXPR unsigned_long_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L100] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L101] EXPR unsigned_long_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L101] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L114] RET updateVariables() [L115] CALL step() [L40] EXPR unsigned_long_int_Array_0[1][1] [L40] EXPR unsigned_long_int_Array_0[1][0] [L40] EXPR unsigned_long_int_Array_0[0][0] [L40] EXPR unsigned_long_int_Array_0[0][1] [L40] EXPR (((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1]) [L40] EXPR unsigned_long_int_Array_0[0][1] [L40] EXPR (((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1]) [L40] COND FALSE !(unsigned_long_int_Array_0[1][1] < (((((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1])))) [L43] EXPR BOOL_unsigned_char_Array_0[0] [L43] BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1] [L43] COND TRUE BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1] [L44] EXPR signed_char_Array_0[0] [L44] signed_char_Array_0[1] = signed_char_Array_0[0] [L53] EXPR unsigned_long_int_Array_0[0][0] [L53] unsigned long int stepLocal_1 = unsigned_long_int_Array_0[0][0]; [L54] EXPR unsigned_long_int_Array_0[1][1] [L54] EXPR unsigned_long_int_Array_0[0][1] [L54] EXPR unsigned_long_int_Array_0[1][0] [L54] EXPR ((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0]) [L54] EXPR unsigned_long_int_Array_0[1][0] [L54] EXPR ((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0]) [L54] unsigned long int stepLocal_0 = unsigned_long_int_Array_0[1][1] * ((((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0]))); [L55] EXPR unsigned_long_int_Array_0[0][0] [L55] COND TRUE stepLocal_0 < unsigned_long_int_Array_0[0][0] [L56] EXPR unsigned_long_int_Array_0[1][1] [L56] COND FALSE !(stepLocal_1 > unsigned_long_int_Array_0[1][1]) [L59] EXPR signed_char_Array_0[1] [L59] signed_short_int_Array_0[0] = signed_char_Array_0[1] [L62] EXPR BOOL_unsigned_char_Array_0[0] [L62] unsigned char stepLocal_3 = BOOL_unsigned_char_Array_0[0]; [L63] EXPR signed_short_int_Array_0[0] [L63] EXPR signed_char_Array_0[1] [L63] signed long int stepLocal_2 = signed_short_int_Array_0[0] + signed_char_Array_0[1]; [L64] EXPR signed_char_Array_0[1] [L64] EXPR signed_char_Array_0[0] [L64] EXPR unsigned_long_int_Array_0[1][0] [L64] COND FALSE !(((signed_char_Array_0[1] + signed_char_Array_0[0]) == unsigned_long_int_Array_0[1][0]) && stepLocal_3) [L75] EXPR double_Array_0[0] [L75] double_Array_0[1] = double_Array_0[0] [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR unsigned_long_int_Array_0[1][1] [L106] EXPR unsigned_long_int_Array_0[0][1] [L106] EXPR unsigned_long_int_Array_0[1][0] [L106] EXPR ((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0]) [L106] EXPR unsigned_long_int_Array_0[1][0] [L106] EXPR ((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0]) [L106] EXPR unsigned_long_int_Array_0[0][0] [L106] EXPR ((unsigned_long_int_Array_0[1][1] * ((((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0])))) < unsigned_long_int_Array_0[0][0]) ? ((unsigned_long_int_Array_0[0][0] > unsigned_long_int_Array_0[1][1]) ? (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1])) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1]))) : 1 [L106] EXPR unsigned_long_int_Array_0[0][0] [L106] EXPR unsigned_long_int_Array_0[1][1] [L106] EXPR (unsigned_long_int_Array_0[0][0] > unsigned_long_int_Array_0[1][1]) ? (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1])) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1])) [L106] EXPR signed_short_int_Array_0[0] [L106] EXPR signed_char_Array_0[1] [L106] EXPR (unsigned_long_int_Array_0[0][0] > unsigned_long_int_Array_0[1][1]) ? (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1])) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1])) [L106] EXPR ((unsigned_long_int_Array_0[1][1] * ((((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0])))) < unsigned_long_int_Array_0[0][0]) ? ((unsigned_long_int_Array_0[0][0] > unsigned_long_int_Array_0[1][1]) ? (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1])) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1]))) : 1 [L106] EXPR (((unsigned_long_int_Array_0[1][1] * ((((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0])))) < unsigned_long_int_Array_0[0][0]) ? ((unsigned_long_int_Array_0[0][0] > unsigned_long_int_Array_0[1][1]) ? (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1])) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1]))) : 1) && ((unsigned_long_int_Array_0[1][1] < (((((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1])))) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((unsigned_long_int_Array_0[0][1] < unsigned_long_int_Array_0[1][0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) -4))))) [L106] EXPR unsigned_long_int_Array_0[1][1] [L106] EXPR unsigned_long_int_Array_0[1][0] [L106] EXPR unsigned_long_int_Array_0[0][0] [L106] EXPR unsigned_long_int_Array_0[0][1] [L106] EXPR (((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1]) [L106] EXPR unsigned_long_int_Array_0[0][1] [L106] EXPR (((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1]) [L106] EXPR (unsigned_long_int_Array_0[1][1] < (((((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1])))) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((unsigned_long_int_Array_0[0][1] < unsigned_long_int_Array_0[1][0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) -4)))) [L106] EXPR BOOL_unsigned_char_Array_0[0] [L106] EXPR BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1] [L106] EXPR (BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((unsigned_long_int_Array_0[0][1] < unsigned_long_int_Array_0[1][0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) -4))) [L106] EXPR signed_char_Array_0[1] [L106] EXPR signed_char_Array_0[0] [L106] EXPR (BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((unsigned_long_int_Array_0[0][1] < unsigned_long_int_Array_0[1][0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) -4))) [L106] EXPR (unsigned_long_int_Array_0[1][1] < (((((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1])))) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((unsigned_long_int_Array_0[0][1] < unsigned_long_int_Array_0[1][0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) -4)))) [L106] EXPR (((unsigned_long_int_Array_0[1][1] * ((((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0])))) < unsigned_long_int_Array_0[0][0]) ? ((unsigned_long_int_Array_0[0][0] > unsigned_long_int_Array_0[1][1]) ? (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1])) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1]))) : 1) && ((unsigned_long_int_Array_0[1][1] < (((((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1])))) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((unsigned_long_int_Array_0[0][1] < unsigned_long_int_Array_0[1][0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) -4))))) [L106] EXPR ((((unsigned_long_int_Array_0[1][1] * ((((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0])))) < unsigned_long_int_Array_0[0][0]) ? ((unsigned_long_int_Array_0[0][0] > unsigned_long_int_Array_0[1][1]) ? (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1])) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1]))) : 1) && ((unsigned_long_int_Array_0[1][1] < (((((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1])))) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((unsigned_long_int_Array_0[0][1] < unsigned_long_int_Array_0[1][0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) -4)))))) && ((((signed_char_Array_0[1] + signed_char_Array_0[0]) == unsigned_long_int_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0]) ? ((! BOOL_unsigned_char_Array_0[1]) ? (((signed_short_int_Array_0[0] + signed_char_Array_0[1]) != signed_char_Array_0[0]) ? (double_Array_0[1] == ((double) double_Array_0[0])) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0]))) [L106] EXPR signed_char_Array_0[1] [L106] EXPR signed_char_Array_0[0] [L106] EXPR unsigned_long_int_Array_0[1][0] [L106] EXPR ((signed_char_Array_0[1] + signed_char_Array_0[0]) == unsigned_long_int_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0] [L106] EXPR (((signed_char_Array_0[1] + signed_char_Array_0[0]) == unsigned_long_int_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0]) ? ((! BOOL_unsigned_char_Array_0[1]) ? (((signed_short_int_Array_0[0] + signed_char_Array_0[1]) != signed_char_Array_0[0]) ? (double_Array_0[1] == ((double) double_Array_0[0])) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0])) [L106] EXPR double_Array_0[1] [L106] EXPR double_Array_0[0] [L106] EXPR (((signed_char_Array_0[1] + signed_char_Array_0[0]) == unsigned_long_int_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0]) ? ((! BOOL_unsigned_char_Array_0[1]) ? (((signed_short_int_Array_0[0] + signed_char_Array_0[1]) != signed_char_Array_0[0]) ? (double_Array_0[1] == ((double) double_Array_0[0])) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0])) [L106] EXPR ((((unsigned_long_int_Array_0[1][1] * ((((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0])))) < unsigned_long_int_Array_0[0][0]) ? ((unsigned_long_int_Array_0[0][0] > unsigned_long_int_Array_0[1][1]) ? (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1])) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1]))) : 1) && ((unsigned_long_int_Array_0[1][1] < (((((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1])))) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((unsigned_long_int_Array_0[0][1] < unsigned_long_int_Array_0[1][0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) -4)))))) && ((((signed_char_Array_0[1] + signed_char_Array_0[0]) == unsigned_long_int_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0]) ? ((! BOOL_unsigned_char_Array_0[1]) ? (((signed_short_int_Array_0[0] + signed_char_Array_0[1]) != signed_char_Array_0[0]) ? (double_Array_0[1] == ((double) double_Array_0[0])) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0]))) [L106-L107] return ((((unsigned_long_int_Array_0[1][1] * ((((unsigned_long_int_Array_0[0][1]) < (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0])))) < unsigned_long_int_Array_0[0][0]) ? ((unsigned_long_int_Array_0[0][0] > unsigned_long_int_Array_0[1][1]) ? (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1])) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[1]))) : 1) && ((unsigned_long_int_Array_0[1][1] < (((((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) > (unsigned_long_int_Array_0[0][1])) ? ((unsigned_long_int_Array_0[1][0] * unsigned_long_int_Array_0[0][0])) : (unsigned_long_int_Array_0[0][1])))) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : ((unsigned_long_int_Array_0[0][1] < unsigned_long_int_Array_0[1][0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : (signed_char_Array_0[1] == ((signed char) -4)))))) && ((((signed_char_Array_0[1] + signed_char_Array_0[0]) == unsigned_long_int_Array_0[1][0]) && BOOL_unsigned_char_Array_0[0]) ? ((! BOOL_unsigned_char_Array_0[1]) ? (((signed_short_int_Array_0[0] + signed_char_Array_0[1]) != signed_char_Array_0[0]) ? (double_Array_0[1] == ((double) double_Array_0[0])) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0]))) : (double_Array_0[1] == ((double) double_Array_0[0]))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 1, TraceHistogramMax: 15, 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=39occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:34:28,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/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_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/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_e012c845-7a0e-4888-a9c7-e6215e4dbc97/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 06557c270490180718c8b17df780a67c95f9f8a79364859de2d5e3b0ea99ce3e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:34:31,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:34:31,197 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:34:31,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:34:31,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:34:31,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:34:31,241 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:34:31,241 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:34:31,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:34:31,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:34:31,243 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:34:31,243 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:34:31,244 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:34:31,244 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:34:31,244 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:34:31,245 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:34:31,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:34:31,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:34:31,246 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:34:31,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:34:31,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:34:31,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:34:31,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:34:31,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:34:31,254 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:34:31,255 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:34:31,255 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:34:31,255 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:34:31,255 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:34:31,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:34:31,256 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:34:31,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:34:31,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:34:31,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:34:31,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:34:31,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:34:31,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:34:31,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:34:31,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:34:31,259 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:34:31,259 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:34:31,261 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:34:31,262 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:34:31,262 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:34:31,278 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_e012c845-7a0e-4888-a9c7-e6215e4dbc97/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06557c270490180718c8b17df780a67c95f9f8a79364859de2d5e3b0ea99ce3e [2024-11-02 12:34:31,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:34:31,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:34:31,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:34:31,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:34:31,767 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:34:31,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i Unable to find full path for "g++" [2024-11-02 12:34:34,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:34:34,495 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:34:34,495 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i [2024-11-02 12:34:34,506 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/data/ab71975ae/df58797e764b4a09a74b8f947f73663e/FLAGe7bb09fe5 [2024-11-02 12:34:34,822 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/data/ab71975ae/df58797e764b4a09a74b8f947f73663e [2024-11-02 12:34:34,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:34:34,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:34:34,827 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:34:34,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:34:34,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:34:34,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:34:34" (1/1) ... [2024-11-02 12:34:34,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1833c09a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:34, skipping insertion in model container [2024-11-02 12:34:34,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:34:34" (1/1) ... [2024-11-02 12:34:34,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:34:35,067 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_e012c845-7a0e-4888-a9c7-e6215e4dbc97/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i[916,929] [2024-11-02 12:34:35,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:34:35,166 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:34:35,185 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_e012c845-7a0e-4888-a9c7-e6215e4dbc97/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-69.i[916,929] [2024-11-02 12:34:35,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:34:35,385 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:34:35,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:35 WrapperNode [2024-11-02 12:34:35,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:34:35,387 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:34:35,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:34:35,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:34:35,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:35" (1/1) ... [2024-11-02 12:34:35,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:35" (1/1) ... [2024-11-02 12:34:35,464 INFO L138 Inliner]: procedures = 36, calls = 162, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 476 [2024-11-02 12:34:35,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:34:35,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:34:35,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:34:35,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:34:35,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:35" (1/1) ... [2024-11-02 12:34:35,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:35" (1/1) ... [2024-11-02 12:34:35,482 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:35" (1/1) ... [2024-11-02 12:34:35,482 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:35" (1/1) ... [2024-11-02 12:34:35,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:35" (1/1) ... [2024-11-02 12:34:35,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:35" (1/1) ... [2024-11-02 12:34:35,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:35" (1/1) ... [2024-11-02 12:34:35,525 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:35" (1/1) ... [2024-11-02 12:34:35,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:34:35,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:34:35,532 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:34:35,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:34:35,537 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:35" (1/1) ... [2024-11-02 12:34:35,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:34:35,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:34:35,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:34:35,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:34:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:34:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-02 12:34:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-02 12:34:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-02 12:34:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-02 12:34:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:34:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-02 12:34:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-02 12:34:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-02 12:34:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-02 12:34:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:34:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:34:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:34:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:34:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-02 12:34:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-02 12:34:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-02 12:34:35,800 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:34:35,802 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:34:36,681 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-02 12:34:36,681 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:34:36,714 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:34:36,721 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:34:36,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:36 BoogieIcfgContainer [2024-11-02 12:34:36,722 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:34:36,724 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:34:36,724 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:34:36,732 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:34:36,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:34:34" (1/3) ... [2024-11-02 12:34:36,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c051363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:34:36, skipping insertion in model container [2024-11-02 12:34:36,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:35" (2/3) ... [2024-11-02 12:34:36,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c051363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:34:36, skipping insertion in model container [2024-11-02 12:34:36,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:36" (3/3) ... [2024-11-02 12:34:36,741 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-69.i [2024-11-02 12:34:36,781 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:34:36,781 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:34:36,893 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:34:36,910 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;@6c2ae92c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:34:36,912 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:34:36,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 76 states have (on average 1.4342105263157894) internal successors, (109), 77 states have internal predecessors, (109), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-02 12:34:36,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-02 12:34:36,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:36,961 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:36,961 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:36,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:36,977 INFO L85 PathProgramCache]: Analyzing trace with hash 849212081, now seen corresponding path program 1 times [2024-11-02 12:34:36,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:34:37,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69625340] [2024-11-02 12:34:37,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:37,001 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 12:34:37,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:34:37,019 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/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 12:34:37,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/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 12:34:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:37,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:34:37,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:34:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-02 12:34:37,564 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:34:37,565 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:34:37,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69625340] [2024-11-02 12:34:37,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69625340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:34:37,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:34:37,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:34:37,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116877704] [2024-11-02 12:34:37,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:34:37,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:34:37,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:34:37,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:34:37,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:34:37,616 INFO L87 Difference]: Start difference. First operand has 94 states, 76 states have (on average 1.4342105263157894) internal successors, (109), 77 states have internal predecessors, (109), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-02 12:34:37,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:34:37,664 INFO L93 Difference]: Finished difference Result 181 states and 287 transitions. [2024-11-02 12:34:37,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:34:37,669 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 119 [2024-11-02 12:34:37,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:34:37,679 INFO L225 Difference]: With dead ends: 181 [2024-11-02 12:34:37,679 INFO L226 Difference]: Without dead ends: 90 [2024-11-02 12:34:37,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 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 12:34:37,689 INFO L432 NwaCegarLoop]: 132 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, 132 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 12:34:37,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:34:37,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-02 12:34:37,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-02 12:34:37,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 73 states have internal predecessors, (102), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-02 12:34:37,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 132 transitions. [2024-11-02 12:34:37,764 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 132 transitions. Word has length 119 [2024-11-02 12:34:37,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:34:37,765 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 132 transitions. [2024-11-02 12:34:37,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-02 12:34:37,766 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2024-11-02 12:34:37,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-02 12:34:37,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:37,770 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:37,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/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)] Forceful destruction successful, exit code 0 [2024-11-02 12:34:37,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/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 12:34:37,972 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:37,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:37,973 INFO L85 PathProgramCache]: Analyzing trace with hash -392504257, now seen corresponding path program 1 times [2024-11-02 12:34:37,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:34:37,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220358311] [2024-11-02 12:34:37,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:37,977 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 12:34:37,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:34:37,981 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/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 12:34:37,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/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 12:34:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:38,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:34:38,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:34:38,415 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-02 12:34:38,415 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:34:38,415 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:34:38,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [220358311] [2024-11-02 12:34:38,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [220358311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:34:38,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:34:38,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:34:38,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587793931] [2024-11-02 12:34:38,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:34:38,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:34:38,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:34:38,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:34:38,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:34:38,421 INFO L87 Difference]: Start difference. First operand 90 states and 132 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-02 12:34:38,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:34:38,501 INFO L93 Difference]: Finished difference Result 179 states and 264 transitions. [2024-11-02 12:34:38,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:34:38,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2024-11-02 12:34:38,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:34:38,505 INFO L225 Difference]: With dead ends: 179 [2024-11-02 12:34:38,507 INFO L226 Difference]: Without dead ends: 92 [2024-11-02 12:34:38,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:34:38,509 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:34:38,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 379 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:34:38,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-02 12:34:38,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-02 12:34:38,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 75 states have internal predecessors, (104), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-02 12:34:38,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 134 transitions. [2024-11-02 12:34:38,533 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 134 transitions. Word has length 119 [2024-11-02 12:34:38,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:34:38,535 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 134 transitions. [2024-11-02 12:34:38,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-02 12:34:38,536 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 134 transitions. [2024-11-02 12:34:38,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-02 12:34:38,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:38,540 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:38,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/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 12:34:38,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/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 12:34:38,742 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:38,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:38,743 INFO L85 PathProgramCache]: Analyzing trace with hash 2143453626, now seen corresponding path program 1 times [2024-11-02 12:34:38,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:34:38,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [139897301] [2024-11-02 12:34:38,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:38,751 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 12:34:38,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:34:38,756 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/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 12:34:38,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e012c845-7a0e-4888-a9c7-e6215e4dbc97/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 12:34:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:39,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-02 12:34:39,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:34:40,587 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 8 treesize of output 1 [2024-11-02 12:34:40,812 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 8 treesize of output 1 [2024-11-02 12:34:41,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2024-11-02 12:34:42,466 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:34:42,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 16 [2024-11-02 12:34:42,747 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-02 12:34:42,747 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:34:42,748 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:34:42,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [139897301] [2024-11-02 12:34:42,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [139897301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:34:42,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:34:42,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-02 12:34:42,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726905021] [2024-11-02 12:34:42,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:34:42,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-02 12:34:42,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:34:42,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-02 12:34:42,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-02 12:34:42,752 INFO L87 Difference]: Start difference. First operand 92 states and 134 transitions. Second operand has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 11 states have internal predecessors, (49), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-02 12:34:48,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:34:50,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:34:52,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []