./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje --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 836ad92e304b81ed0820392d23ad5f20819734bbfce0803ec8d4151f7117c333 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:18:04,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:18:04,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 01:18:04,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:18:04,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:18:04,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:18:04,477 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:18:04,478 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:18:04,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:18:04,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:18:04,479 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:18:04,480 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:18:04,480 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:18:04,481 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:18:04,482 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:18:04,483 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:18:04,484 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:18:04,488 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:18:04,488 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:18:04,489 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:18:04,489 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:18:04,490 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:18:04,493 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:18:04,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:18:04,494 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:18:04,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:18:04,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:18:04,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:18:04,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:18:04,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:18:04,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:18:04,511 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:18:04,511 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:18:04,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:18:04,512 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:18:04,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:18:04,512 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:18:04,513 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:18:04,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:18:04,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:18:04,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:18:04,514 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:18:04,514 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:18:04,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:18:04,515 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:18:04,515 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:18:04,515 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:18:04,516 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_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 836ad92e304b81ed0820392d23ad5f20819734bbfce0803ec8d4151f7117c333 [2024-11-09 01:18:04,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:18:04,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:18:04,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:18:04,823 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:18:04,823 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:18:04,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i Unable to find full path for "g++" [2024-11-09 01:18:06,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:18:07,082 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:18:07,083 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i [2024-11-09 01:18:07,094 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/data/c8729f468/643c37518d29481fb137fc08691a24ab/FLAGe7843d5a7 [2024-11-09 01:18:07,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/data/c8729f468/643c37518d29481fb137fc08691a24ab [2024-11-09 01:18:07,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:18:07,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:18:07,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:18:07,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:18:07,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:18:07,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:18:07" (1/1) ... [2024-11-09 01:18:07,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76bb816f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:07, skipping insertion in model container [2024-11-09 01:18:07,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:18:07" (1/1) ... [2024-11-09 01:18:07,164 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:18:07,398 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i[913,926] [2024-11-09 01:18:07,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:18:07,487 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:18:07,500 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i[913,926] [2024-11-09 01:18:07,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:18:07,559 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:18:07,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:07 WrapperNode [2024-11-09 01:18:07,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:18:07,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:18:07,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:18:07,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:18:07,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:07" (1/1) ... [2024-11-09 01:18:07,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:07" (1/1) ... [2024-11-09 01:18:07,624 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2024-11-09 01:18:07,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:18:07,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:18:07,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:18:07,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:18:07,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:07" (1/1) ... [2024-11-09 01:18:07,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:07" (1/1) ... [2024-11-09 01:18:07,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:07" (1/1) ... [2024-11-09 01:18:07,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:07" (1/1) ... [2024-11-09 01:18:07,647 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:07" (1/1) ... [2024-11-09 01:18:07,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:07" (1/1) ... [2024-11-09 01:18:07,654 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:07" (1/1) ... [2024-11-09 01:18:07,655 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:07" (1/1) ... [2024-11-09 01:18:07,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:18:07,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:18:07,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:18:07,660 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:18:07,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:07" (1/1) ... [2024-11-09 01:18:07,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:18:07,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:18:07,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:18:07,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:18:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:18:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:18:07,749 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:18:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:18:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:18:07,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:18:07,860 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:18:07,862 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:18:08,310 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 01:18:08,310 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:18:08,523 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:18:08,523 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:18:08,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:18:08 BoogieIcfgContainer [2024-11-09 01:18:08,524 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:18:08,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:18:08,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:18:08,530 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:18:08,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:18:07" (1/3) ... [2024-11-09 01:18:08,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3612f36b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:18:08, skipping insertion in model container [2024-11-09 01:18:08,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:07" (2/3) ... [2024-11-09 01:18:08,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3612f36b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:18:08, skipping insertion in model container [2024-11-09 01:18:08,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:18:08" (3/3) ... [2024-11-09 01:18:08,535 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-66.i [2024-11-09 01:18:08,552 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:18:08,553 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:18:08,623 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:18:08,630 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;@3dbf7c4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:18:08,630 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:18:08,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 01:18:08,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 01:18:08,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:18:08,648 INFO L215 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:18:08,649 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:18:08,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:18:08,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1594604738, now seen corresponding path program 1 times [2024-11-09 01:18:08,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:18:08,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917043788] [2024-11-09 01:18:08,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:18:08,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:18:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:18:09,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1251651153] [2024-11-09 01:18:09,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:18:09,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:18:09,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:18:09,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:18:09,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 01:18:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:18:09,436 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:18:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:18:09,625 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 01:18:09,628 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:18:09,629 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:18:09,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 01:18:09,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:18:09,835 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 01:18:09,974 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:18:09,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:18:09 BoogieIcfgContainer [2024-11-09 01:18:09,979 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:18:09,980 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:18:09,980 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:18:09,981 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:18:09,981 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:18:08" (3/4) ... [2024-11-09 01:18:09,985 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:18:09,986 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:18:09,988 INFO L158 Benchmark]: Toolchain (without parser) took 2875.75ms. Allocated memory was 115.3MB in the beginning and 159.4MB in the end (delta: 44.0MB). Free memory was 60.2MB in the beginning and 112.8MB in the end (delta: -52.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:18:09,989 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:18:09,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.29ms. Allocated memory was 115.3MB in the beginning and 159.4MB in the end (delta: 44.0MB). Free memory was 59.9MB in the beginning and 119.3MB in the end (delta: -59.3MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-11-09 01:18:09,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.71ms. Allocated memory is still 159.4MB. Free memory was 119.3MB in the beginning and 116.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:18:09,993 INFO L158 Benchmark]: Boogie Preprocessor took 34.68ms. Allocated memory is still 159.4MB. Free memory was 116.0MB in the beginning and 113.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:18:09,994 INFO L158 Benchmark]: RCFGBuilder took 863.94ms. Allocated memory is still 159.4MB. Free memory was 113.9MB in the beginning and 121.7MB in the end (delta: -7.8MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2024-11-09 01:18:09,996 INFO L158 Benchmark]: TraceAbstraction took 1453.64ms. Allocated memory is still 159.4MB. Free memory was 121.7MB in the beginning and 112.8MB in the end (delta: 8.9MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-11-09 01:18:09,997 INFO L158 Benchmark]: Witness Printer took 6.11ms. Allocated memory is still 159.4MB. Free memory is still 112.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:18:10,000 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.29ms. Allocated memory was 115.3MB in the beginning and 159.4MB in the end (delta: 44.0MB). Free memory was 59.9MB in the beginning and 119.3MB in the end (delta: -59.3MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.71ms. Allocated memory is still 159.4MB. Free memory was 119.3MB in the beginning and 116.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.68ms. Allocated memory is still 159.4MB. Free memory was 116.0MB in the beginning and 113.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 863.94ms. Allocated memory is still 159.4MB. Free memory was 113.9MB in the beginning and 121.7MB in the end (delta: -7.8MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1453.64ms. Allocated memory is still 159.4MB. Free memory was 121.7MB in the beginning and 112.8MB in the end (delta: 8.9MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Witness Printer took 6.11ms. Allocated memory is still 159.4MB. Free memory is still 112.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 129. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 50; [L23] unsigned char var_1_2 = 0; [L24] signed char var_1_3 = 8; [L25] signed char var_1_4 = 10; [L26] double var_1_5 = 16.5; [L27] signed char var_1_6 = 64; [L28] signed char var_1_7 = 2; [L29] unsigned short int var_1_8 = 256; [L30] unsigned char var_1_9 = 0; [L31] unsigned short int var_1_10 = 63583; [L32] unsigned short int var_1_11 = 33789; [L33] unsigned char var_1_12 = 1; [L34] unsigned char var_1_13 = 1; [L35] unsigned char var_1_14 = 0; [L36] signed long int var_1_15 = 8; [L37] signed short int var_1_16 = -16; [L38] unsigned short int var_1_17 = 32; [L39] signed short int var_1_18 = 16; [L40] signed short int var_1_19 = 25; [L41] signed short int var_1_20 = 25; [L42] signed short int var_1_21 = 50; [L133] isInitial = 1 [L134] FCALL initially() [L135] COND TRUE 1 [L136] FCALL updateLastVariables() [L137] CALL updateVariables() [L86] var_1_2 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L88] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L89] var_1_3 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L91] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L92] var_1_4 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_4 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_4 >= -63) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L94] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L95] var_1_6 = __VERIFIER_nondet_char() [L96] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=2, var_1_8=256, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=2, var_1_8=256, var_1_9=0] [L98] var_1_7 = __VERIFIER_nondet_char() [L99] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=0] [L100] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=0] [L101] var_1_9 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L103] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L104] var_1_10 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_10 >= 49150) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_10 >= 49150) VAL [isInitial=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L106] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L107] var_1_11 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_11 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_11 >= 32767) VAL [isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L109] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L110] var_1_13 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L112] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L113] var_1_14 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L115] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L116] var_1_17 = __VERIFIER_nondet_ushort() [L117] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L118] CALL assume_abort_if_not(var_1_17 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_17 <= 65535) VAL [isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L119] var_1_20 = __VERIFIER_nondet_short() [L120] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L121] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L122] var_1_21 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L124] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256, var_1_9=1] [L137] RET updateVariables() [L138] CALL step() [L46] COND TRUE \read(var_1_2) [L47] var_1_1 = (var_1_3 + var_1_4) [L49] COND TRUE var_1_4 >= (var_1_6 - var_1_7) [L50] COND TRUE \read(var_1_2) [L51] var_1_5 = 8.25 [L54] COND FALSE !(-25 == var_1_6) [L59] var_1_8 = ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))) [L61] COND TRUE var_1_8 >= var_1_7 [L62] var_1_12 = (! var_1_14) [L64] COND TRUE -64 > (var_1_6 + var_1_1) [L65] var_1_15 = (var_1_11 - var_1_7) [L73] COND FALSE !(var_1_8 > (((((var_1_11) > (var_1_17)) ? (var_1_11) : (var_1_17))) + (var_1_15 / var_1_10))) [L76] COND TRUE var_1_1 < var_1_6 [L77] var_1_18 = (var_1_6 - var_1_7) [L81] COND FALSE !(\read(var_1_13)) [L138] RET step() [L139] CALL, EXPR property() [L129-L130] return (((((((var_1_2 ? (var_1_1 == ((signed char) (var_1_3 + var_1_4))) : 1) && ((var_1_4 >= (var_1_6 - var_1_7)) ? (var_1_2 ? (var_1_5 == ((double) 8.25)) : 1) : 1)) && ((-25 == var_1_6) ? ((var_1_2 && var_1_9) ? (var_1_8 == ((unsigned short int) ((((((var_1_10 - 10) - 16)) > ((var_1_11 - var_1_7))) ? (((var_1_10 - 10) - 16)) : ((var_1_11 - var_1_7)))))) : 1) : (var_1_8 == ((unsigned short int) ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))))))) && ((var_1_8 >= var_1_7) ? (var_1_12 == ((unsigned char) (! var_1_14))) : 1)) && ((-64 > (var_1_6 + var_1_1)) ? (var_1_15 == ((signed long int) (var_1_11 - var_1_7))) : ((! var_1_12) ? (var_1_12 ? (var_1_15 == ((signed long int) 4)) : 1) : 1))) && ((var_1_8 > (((((var_1_11) > (var_1_17)) ? (var_1_11) : (var_1_17))) + (var_1_15 / var_1_10))) ? (var_1_16 == ((signed short int) var_1_4)) : 1)) && ((var_1_1 < var_1_6) ? (var_1_18 == ((signed short int) (var_1_6 - var_1_7))) : (var_1_18 == ((signed short int) (((((var_1_6 + var_1_4)) < (var_1_1)) ? ((var_1_6 + var_1_4)) : (var_1_1))))))) && (var_1_13 ? (var_1_19 == ((signed short int) ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6))) : 1) ; [L139] RET, EXPR property() [L139] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_17=49152, var_1_18=-1, var_1_19=25, var_1_1=-64, var_1_20=0, var_1_21=0, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=49151, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_17=49152, var_1_18=-1, var_1_19=25, var_1_1=-64, var_1_20=0, var_1_21=0, var_1_2=-255, var_1_3=-63, var_1_4=-1, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=49151, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 26, 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=48occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 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 [2024-11-09 01:18:10,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje --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 836ad92e304b81ed0820392d23ad5f20819734bbfce0803ec8d4151f7117c333 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:18:12,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:18:12,847 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 01:18:12,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:18:12,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:18:12,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:18:12,893 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:18:12,894 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:18:12,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:18:12,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:18:12,898 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:18:12,898 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:18:12,898 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:18:12,899 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:18:12,899 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:18:12,899 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:18:12,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:18:12,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:18:12,905 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:18:12,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:18:12,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:18:12,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:18:12,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:18:12,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:18:12,907 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:18:12,907 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:18:12,907 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:18:12,908 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:18:12,908 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:18:12,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:18:12,909 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:18:12,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:18:12,912 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:18:12,912 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:18:12,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:18:12,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:18:12,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:18:12,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:18:12,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:18:12,913 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:18:12,914 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:18:12,915 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:18:12,916 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:18:12,916 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 836ad92e304b81ed0820392d23ad5f20819734bbfce0803ec8d4151f7117c333 [2024-11-09 01:18:13,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:18:13,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:18:13,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:18:13,354 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:18:13,354 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:18:13,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i Unable to find full path for "g++" [2024-11-09 01:18:15,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:18:15,770 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:18:15,771 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i [2024-11-09 01:18:15,782 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/data/5379b0f25/7fa58c9a578944bfa8a28e7ba68badf6/FLAGa01502674 [2024-11-09 01:18:15,799 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/data/5379b0f25/7fa58c9a578944bfa8a28e7ba68badf6 [2024-11-09 01:18:15,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:18:15,808 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:18:15,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:18:15,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:18:15,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:18:15,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:18:15" (1/1) ... [2024-11-09 01:18:15,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@457b312b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:15, skipping insertion in model container [2024-11-09 01:18:15,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:18:15" (1/1) ... [2024-11-09 01:18:15,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:18:16,111 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i[913,926] [2024-11-09 01:18:16,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:18:16,239 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:18:16,254 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i[913,926] [2024-11-09 01:18:16,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:18:16,347 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:18:16,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:16 WrapperNode [2024-11-09 01:18:16,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:18:16,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:18:16,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:18:16,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:18:16,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:16" (1/1) ... [2024-11-09 01:18:16,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:16" (1/1) ... [2024-11-09 01:18:16,422 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2024-11-09 01:18:16,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:18:16,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:18:16,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:18:16,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:18:16,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:16" (1/1) ... [2024-11-09 01:18:16,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:16" (1/1) ... [2024-11-09 01:18:16,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:16" (1/1) ... [2024-11-09 01:18:16,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:16" (1/1) ... [2024-11-09 01:18:16,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:16" (1/1) ... [2024-11-09 01:18:16,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:16" (1/1) ... [2024-11-09 01:18:16,492 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:16" (1/1) ... [2024-11-09 01:18:16,498 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:16" (1/1) ... [2024-11-09 01:18:16,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:18:16,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:18:16,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:18:16,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:18:16,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:16" (1/1) ... [2024-11-09 01:18:16,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:18:16,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:18:16,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:18:16,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:18:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:18:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 01:18:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:18:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:18:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:18:16,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:18:16,770 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:18:16,773 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:18:17,287 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 01:18:17,287 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:18:17,303 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:18:17,303 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:18:17,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:18:17 BoogieIcfgContainer [2024-11-09 01:18:17,304 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:18:17,307 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:18:17,307 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:18:17,311 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:18:17,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:18:15" (1/3) ... [2024-11-09 01:18:17,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700c4111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:18:17, skipping insertion in model container [2024-11-09 01:18:17,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:16" (2/3) ... [2024-11-09 01:18:17,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700c4111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:18:17, skipping insertion in model container [2024-11-09 01:18:17,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:18:17" (3/3) ... [2024-11-09 01:18:17,315 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-66.i [2024-11-09 01:18:17,336 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:18:17,336 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:18:17,420 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:18:17,428 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;@604a2e11, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:18:17,428 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:18:17,438 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 01:18:17,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 01:18:17,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:18:17,472 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:18:17,472 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:18:17,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:18:17,480 INFO L85 PathProgramCache]: Analyzing trace with hash -912761332, now seen corresponding path program 1 times [2024-11-09 01:18:17,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:18:17,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [982344725] [2024-11-09 01:18:17,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:18:17,495 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 [2024-11-09 01:18:17,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:18:17,499 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 01:18:17,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:18:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:18:17,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 01:18:17,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:18:17,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2024-11-09 01:18:17,877 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:18:17,878 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:18:17,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [982344725] [2024-11-09 01:18:17,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [982344725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:18:17,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:18:17,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:18:17,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858112414] [2024-11-09 01:18:17,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:18:17,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 01:18:17,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:18:17,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 01:18:17,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:18:17,924 INFO L87 Difference]: Start difference. First operand has 70 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-09 01:18:17,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:18:17,960 INFO L93 Difference]: Finished difference Result 133 states and 240 transitions. [2024-11-09 01:18:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 01:18:17,964 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 160 [2024-11-09 01:18:17,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:18:17,977 INFO L225 Difference]: With dead ends: 133 [2024-11-09 01:18:17,977 INFO L226 Difference]: Without dead ends: 66 [2024-11-09 01:18:17,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:18:17,990 INFO L432 NwaCegarLoop]: 103 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, 103 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 [2024-11-09 01:18:17,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:18:18,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-09 01:18:18,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-09 01:18:18,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 38 states have internal predecessors, (51), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 01:18:18,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 103 transitions. [2024-11-09 01:18:18,067 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 103 transitions. Word has length 160 [2024-11-09 01:18:18,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:18:18,068 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 103 transitions. [2024-11-09 01:18:18,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-09 01:18:18,069 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2024-11-09 01:18:18,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 01:18:18,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:18:18,077 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:18:18,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 01:18:18,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:18:18,279 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:18:18,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:18:18,283 INFO L85 PathProgramCache]: Analyzing trace with hash -56077108, now seen corresponding path program 1 times [2024-11-09 01:18:18,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:18:18,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1094714493] [2024-11-09 01:18:18,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:18:18,285 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 [2024-11-09 01:18:18,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:18:18,290 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 01:18:18,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781c28e5-6397-4c98-8a4a-896da5f8d696/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:18:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:18:18,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 01:18:18,609 INFO L278 TraceCheckSpWp]: Computing forward predicates...