./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bb33f9e7f069a2de29c207cc3142b06add79cc3fa9bd8a71aa8e6f959ccdca69 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:21:41,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:21:41,297 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 11:21:41,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:21:41,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:21:41,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:21:41,343 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:21:41,343 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:21:41,344 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:21:41,345 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:21:41,346 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:21:41,347 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:21:41,347 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:21:41,350 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:21:41,351 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:21:41,351 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:21:41,352 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:21:41,352 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:21:41,353 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:21:41,353 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:21:41,354 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:21:41,356 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:21:41,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:21:41,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:21:41,361 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:21:41,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:21:41,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:21:41,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:21:41,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:21:41,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:21:41,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:21:41,364 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:21:41,364 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:21:41,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:21:41,364 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:21:41,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:21:41,365 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:21:41,365 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:21:41,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:21:41,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:21:41,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:21:41,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:21:41,369 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:21:41,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:21:41,370 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:21:41,370 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:21:41,370 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:21:41,371 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_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb33f9e7f069a2de29c207cc3142b06add79cc3fa9bd8a71aa8e6f959ccdca69 [2024-11-02 11:21:41,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:21:41,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:21:41,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:21:41,752 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:21:41,753 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:21:41,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i Unable to find full path for "g++" [2024-11-02 11:21:43,925 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:21:44,208 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:21:44,210 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i [2024-11-02 11:21:44,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/data/9f5bdd063/dea6c2c4e8cf462c8c990f0a301a266c/FLAG5e8b48885 [2024-11-02 11:21:44,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/data/9f5bdd063/dea6c2c4e8cf462c8c990f0a301a266c [2024-11-02 11:21:44,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:21:44,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:21:44,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:21:44,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:21:44,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:21:44,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:21:44" (1/1) ... [2024-11-02 11:21:44,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5377f0a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:44, skipping insertion in model container [2024-11-02 11:21:44,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:21:44" (1/1) ... [2024-11-02 11:21:44,567 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:21:44,772 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i[913,926] [2024-11-02 11:21:44,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:21:44,839 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:21:44,852 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i[913,926] [2024-11-02 11:21:44,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:21:44,913 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:21:44,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:44 WrapperNode [2024-11-02 11:21:44,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:21:44,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:21:44,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:21:44,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:21:44,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:44" (1/1) ... [2024-11-02 11:21:44,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:44" (1/1) ... [2024-11-02 11:21:44,980 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 167 [2024-11-02 11:21:44,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:21:44,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:21:44,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:21:44,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:21:44,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:44" (1/1) ... [2024-11-02 11:21:44,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:44" (1/1) ... [2024-11-02 11:21:44,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:44" (1/1) ... [2024-11-02 11:21:44,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:44" (1/1) ... [2024-11-02 11:21:45,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:44" (1/1) ... [2024-11-02 11:21:45,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:44" (1/1) ... [2024-11-02 11:21:45,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:44" (1/1) ... [2024-11-02 11:21:45,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:44" (1/1) ... [2024-11-02 11:21:45,012 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:21:45,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:21:45,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:21:45,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:21:45,018 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:44" (1/1) ... [2024-11-02 11:21:45,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:21:45,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:21:45,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:21:45,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:21:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:21:45,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:21:45,086 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:21:45,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:21:45,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:21:45,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:21:45,156 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:21:45,158 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:21:45,570 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-02 11:21:45,570 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:21:45,870 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:21:45,870 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:21:45,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:21:45 BoogieIcfgContainer [2024-11-02 11:21:45,871 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:21:45,874 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:21:45,874 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:21:45,877 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:21:45,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:21:44" (1/3) ... [2024-11-02 11:21:45,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d64425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:21:45, skipping insertion in model container [2024-11-02 11:21:45,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:44" (2/3) ... [2024-11-02 11:21:45,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d64425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:21:45, skipping insertion in model container [2024-11-02 11:21:45,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:21:45" (3/3) ... [2024-11-02 11:21:45,881 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-76.i [2024-11-02 11:21:45,897 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:21:45,898 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:21:45,962 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:21:45,968 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;@1161544a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:21:45,968 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:21:45,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-02 11:21:45,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-02 11:21:45,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:21:45,982 INFO L215 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:21:45,982 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:21:45,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:21:45,988 INFO L85 PathProgramCache]: Analyzing trace with hash 2084122846, now seen corresponding path program 1 times [2024-11-02 11:21:45,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:21:45,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594559356] [2024-11-02 11:21:45,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:21:45,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:21:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 11:21:46,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1031433209] [2024-11-02 11:21:46,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:21:46,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 11:21:46,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:21:46,508 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 11:21:46,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 11:21:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:21:46,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 11:21:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:21:46,878 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 11:21:46,881 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 11:21:46,882 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 11:21:46,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 11:21:47,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 11:21:47,090 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 11:21:47,202 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 11:21:47,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:21:47 BoogieIcfgContainer [2024-11-02 11:21:47,212 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 11:21:47,212 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 11:21:47,213 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 11:21:47,213 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 11:21:47,213 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:21:45" (3/4) ... [2024-11-02 11:21:47,216 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 11:21:47,217 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 11:21:47,219 INFO L158 Benchmark]: Toolchain (without parser) took 2706.07ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 92.9MB in the beginning and 133.0MB in the end (delta: -40.1MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-11-02 11:21:47,219 INFO L158 Benchmark]: CDTParser took 3.79ms. Allocated memory is still 125.8MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:21:47,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.20ms. Allocated memory is still 125.8MB. Free memory was 92.9MB in the beginning and 77.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 11:21:47,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.04ms. Allocated memory is still 125.8MB. Free memory was 77.3MB in the beginning and 74.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:21:47,221 INFO L158 Benchmark]: Boogie Preprocessor took 30.42ms. Allocated memory is still 125.8MB. Free memory was 74.3MB in the beginning and 72.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:21:47,223 INFO L158 Benchmark]: RCFGBuilder took 858.09ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 72.7MB in the beginning and 117.8MB in the end (delta: -45.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-02 11:21:47,224 INFO L158 Benchmark]: TraceAbstraction took 1338.24ms. Allocated memory is still 174.1MB. Free memory was 116.7MB in the beginning and 134.0MB in the end (delta: -17.3MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2024-11-02 11:21:47,226 INFO L158 Benchmark]: Witness Printer took 5.29ms. Allocated memory is still 174.1MB. Free memory was 134.0MB in the beginning and 133.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:21:47,230 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.79ms. Allocated memory is still 125.8MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.20ms. Allocated memory is still 125.8MB. Free memory was 92.9MB in the beginning and 77.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.04ms. Allocated memory is still 125.8MB. Free memory was 77.3MB in the beginning and 74.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.42ms. Allocated memory is still 125.8MB. Free memory was 74.3MB in the beginning and 72.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 858.09ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 72.7MB in the beginning and 117.8MB in the end (delta: -45.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1338.24ms. Allocated memory is still 174.1MB. Free memory was 116.7MB in the beginning and 134.0MB in the end (delta: -17.3MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. * Witness Printer took 5.29ms. Allocated memory is still 174.1MB. Free memory was 134.0MB in the beginning and 133.0MB in the end (delta: 1.0MB). 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 46, overapproximation of someBinaryFLOATComparisonOperation at line 128, overapproximation of bitwiseOr at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 256.5; [L23] unsigned char var_1_2 = 0; [L24] double var_1_3 = 7.5; [L25] double var_1_4 = 256.2; [L26] double var_1_5 = 2.75; [L27] signed long int var_1_6 = -64; [L28] double var_1_7 = 8.05; [L29] float var_1_8 = 5.25; [L30] signed char var_1_9 = -16; [L31] signed long int var_1_10 = 1; [L32] signed long int var_1_11 = 4; [L33] signed long int var_1_12 = 0; [L34] signed long int var_1_13 = -16; [L35] unsigned short int var_1_14 = 10000; [L36] unsigned short int var_1_15 = 5; [L37] unsigned short int var_1_16 = 5; [L38] unsigned short int var_1_17 = 4; [L39] unsigned char var_1_18 = 100; [L40] unsigned char var_1_19 = 1; [L41] unsigned char var_1_20 = 8; [L132] isInitial = 1 [L133] FCALL initially() [L134] COND TRUE 1 [L135] FCALL updateLastVariables() [L136] CALL updateVariables() [L88] var_1_2 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L90] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L91] var_1_3 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L93] var_1_4 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L95] var_1_5 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L97] var_1_7 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L99] CALL assume_abort_if_not(var_1_7 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_7 != 0.0F) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L100] var_1_9 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_9 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_9 >= -128) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L102] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L103] var_1_10 = __VERIFIER_nondet_long() [L104] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L105] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L106] var_1_12 = __VERIFIER_nondet_long() [L107] CALL assume_abort_if_not(var_1_12 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_12 >= -1073741823) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L108] CALL assume_abort_if_not(var_1_12 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_12 <= 1073741823) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L109] var_1_13 = __VERIFIER_nondet_long() [L110] CALL assume_abort_if_not(var_1_13 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_13 >= -1073741823) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L111] CALL assume_abort_if_not(var_1_13 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_13 <= 1073741823) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L112] var_1_15 = __VERIFIER_nondet_ushort() [L113] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L114] CALL assume_abort_if_not(var_1_15 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=9937, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_15 <= 65534) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=9937, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L115] var_1_16 = __VERIFIER_nondet_ushort() [L116] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=9937, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=9937, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L117] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=9937, var_1_16=9936, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=9937, var_1_16=9936, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L118] var_1_19 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=9937, var_1_16=9936, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=9937, var_1_16=9936, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L120] CALL assume_abort_if_not(var_1_19 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=9937, var_1_16=9936, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_19 <= 64) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=9937, var_1_16=9936, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L121] var_1_20 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=9937, var_1_16=9936, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=9937, var_1_16=9936, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L123] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=9937, var_1_16=9936, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=9937, var_1_16=9936, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_2=1, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L136] RET updateVariables() [L137] CALL step() [L45] COND FALSE !(! var_1_2) [L48] var_1_1 = var_1_4 [L50] COND FALSE !(var_1_5 > (var_1_3 / var_1_7)) [L55] COND TRUE (var_1_6 * var_1_9) >= var_1_10 [L56] COND TRUE \read(var_1_2) [L57] var_1_8 = var_1_4 [L60] COND FALSE !(var_1_4 <= var_1_1) [L63] var_1_11 = (((((-256) < (var_1_9)) ? (-256) : (var_1_9))) + ((((var_1_12) < (((((var_1_13) > (256)) ? (var_1_13) : (256))))) ? (var_1_12) : (((((var_1_13) > (256)) ? (var_1_13) : (256))))))) [L65] COND FALSE !(var_1_5 >= var_1_1) [L72] COND TRUE \read(var_1_2) [L73] COND FALSE !(var_1_1 == var_1_5) [L78] var_1_17 = var_1_15 [L83] EXPR var_1_11 | var_1_6 [L83] COND FALSE !((var_1_14 + (var_1_11 | var_1_6)) > var_1_16) [L137] RET step() [L138] CALL, EXPR property() [L128] EXPR (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_6 * var_1_9) >= var_1_10) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= var_1_1) ? (var_1_11 == ((signed long int) (var_1_9 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (var_1_9)) ? (-256) : (var_1_9))) + ((((var_1_12) < (((((var_1_13) > (256)) ? (var_1_13) : (256))))) ? (var_1_12) : (((((var_1_13) > (256)) ? (var_1_13) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_15)) : (var_1_14 == ((unsigned short int) var_1_16))) : 1)) && (var_1_2 ? ((var_1_1 == var_1_5) ? (((128 * ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10)))) > 1) ? (var_1_17 == ((unsigned short int) var_1_16)) : 1) : (var_1_17 == ((unsigned short int) var_1_15))) : (var_1_17 == ((unsigned short int) var_1_16)))) && (((var_1_14 + (var_1_11 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) [L128-L129] return (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_6 * var_1_9) >= var_1_10) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= var_1_1) ? (var_1_11 == ((signed long int) (var_1_9 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (var_1_9)) ? (-256) : (var_1_9))) + ((((var_1_12) < (((((var_1_13) > (256)) ? (var_1_13) : (256))))) ? (var_1_12) : (((((var_1_13) > (256)) ? (var_1_13) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_15)) : (var_1_14 == ((unsigned short int) var_1_16))) : 1)) && (var_1_2 ? ((var_1_1 == var_1_5) ? (((128 * ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10)))) > 1) ? (var_1_17 == ((unsigned short int) var_1_16)) : 1) : (var_1_17 == ((unsigned short int) var_1_15))) : (var_1_17 == ((unsigned short int) var_1_16)))) && (((var_1_14 + (var_1_11 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) ; [L138] RET, EXPR property() [L138] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=0, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=9937, var_1_16=9936, var_1_17=9937, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=1, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=-64, var_1_8=2, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=-2147483648, var_1_11=0, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=9937, var_1_16=9936, var_1_17=9937, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=1, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=-64, var_1_8=2, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 23, 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=45occurred 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, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 11:21:47,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bb33f9e7f069a2de29c207cc3142b06add79cc3fa9bd8a71aa8e6f959ccdca69 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:21:49,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:21:49,990 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 11:21:49,997 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:21:49,999 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:21:50,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:21:50,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:21:50,037 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:21:50,037 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:21:50,038 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:21:50,038 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:21:50,039 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:21:50,039 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:21:50,040 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:21:50,040 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:21:50,041 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:21:50,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:21:50,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:21:50,042 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:21:50,043 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:21:50,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:21:50,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:21:50,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:21:50,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:21:50,045 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 11:21:50,045 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 11:21:50,046 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:21:50,046 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 11:21:50,046 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:21:50,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:21:50,047 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:21:50,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:21:50,048 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 11:21:50,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:21:50,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:21:50,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:21:50,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:21:50,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:21:50,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:21:50,051 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 11:21:50,052 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 11:21:50,054 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:21:50,054 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:21:50,055 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:21:50,055 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb33f9e7f069a2de29c207cc3142b06add79cc3fa9bd8a71aa8e6f959ccdca69 [2024-11-02 11:21:50,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:21:50,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:21:50,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:21:50,500 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:21:50,500 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:21:50,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i Unable to find full path for "g++" [2024-11-02 11:21:52,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:21:53,163 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:21:53,163 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i [2024-11-02 11:21:53,176 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/data/9cc562815/6f4768c151c049e292deffcddf642c04/FLAG9fed8f0e8 [2024-11-02 11:21:53,195 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/data/9cc562815/6f4768c151c049e292deffcddf642c04 [2024-11-02 11:21:53,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:21:53,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:21:53,200 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:21:53,200 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:21:53,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:21:53,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:21:53" (1/1) ... [2024-11-02 11:21:53,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49dd4ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:53, skipping insertion in model container [2024-11-02 11:21:53,207 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:21:53" (1/1) ... [2024-11-02 11:21:53,235 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:21:53,478 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i[913,926] [2024-11-02 11:21:53,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:21:53,615 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:21:53,629 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i[913,926] [2024-11-02 11:21:53,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:21:53,708 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:21:53,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:53 WrapperNode [2024-11-02 11:21:53,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:21:53,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:21:53,711 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:21:53,711 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:21:53,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:53" (1/1) ... [2024-11-02 11:21:53,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:53" (1/1) ... [2024-11-02 11:21:53,781 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-11-02 11:21:53,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:21:53,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:21:53,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:21:53,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:21:53,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:53" (1/1) ... [2024-11-02 11:21:53,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:53" (1/1) ... [2024-11-02 11:21:53,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:53" (1/1) ... [2024-11-02 11:21:53,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:53" (1/1) ... [2024-11-02 11:21:53,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:53" (1/1) ... [2024-11-02 11:21:53,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:53" (1/1) ... [2024-11-02 11:21:53,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:53" (1/1) ... [2024-11-02 11:21:53,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:53" (1/1) ... [2024-11-02 11:21:53,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:21:53,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:21:53,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:21:53,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:21:53,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:53" (1/1) ... [2024-11-02 11:21:53,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:21:53,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:21:53,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:21:53,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:21:53,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:21:53,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 11:21:53,978 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:21:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:21:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:21:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:21:54,133 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:21:54,136 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:21:59,211 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-02 11:21:59,212 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:21:59,229 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:21:59,229 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:21:59,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:21:59 BoogieIcfgContainer [2024-11-02 11:21:59,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:21:59,232 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:21:59,233 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:21:59,236 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:21:59,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:21:53" (1/3) ... [2024-11-02 11:21:59,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634b111a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:21:59, skipping insertion in model container [2024-11-02 11:21:59,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:21:53" (2/3) ... [2024-11-02 11:21:59,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634b111a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:21:59, skipping insertion in model container [2024-11-02 11:21:59,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:21:59" (3/3) ... [2024-11-02 11:21:59,239 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-76.i [2024-11-02 11:21:59,258 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:21:59,258 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:21:59,339 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:21:59,346 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;@2a15ec4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:21:59,346 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:21:59,352 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-02 11:21:59,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-02 11:21:59,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:21:59,369 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:21:59,369 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:21:59,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:21:59,376 INFO L85 PathProgramCache]: Analyzing trace with hash -862944927, now seen corresponding path program 1 times [2024-11-02 11:21:59,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:21:59,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [435666896] [2024-11-02 11:21:59,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:21:59,419 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 11:21:59,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:21:59,423 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 11:21:59,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-02 11:22:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:22:00,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 11:22:00,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:22:00,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2024-11-02 11:22:00,505 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:22:00,506 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:22:00,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [435666896] [2024-11-02 11:22:00,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [435666896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:22:00,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:22:00,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:22:00,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926040822] [2024-11-02 11:22:00,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:22:00,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 11:22:00,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:22:00,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 11:22:00,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 11:22:00,550 INFO L87 Difference]: Start difference. First operand has 67 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-02 11:22:00,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:22:00,584 INFO L93 Difference]: Finished difference Result 127 states and 225 transitions. [2024-11-02 11:22:00,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 11:22:00,587 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2024-11-02 11:22:00,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:22:00,595 INFO L225 Difference]: With dead ends: 127 [2024-11-02 11:22:00,595 INFO L226 Difference]: Without dead ends: 63 [2024-11-02 11:22:00,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 11:22:00,603 INFO L432 NwaCegarLoop]: 97 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, 97 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 11:22:00,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 11:22:00,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-02 11:22:00,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-02 11:22:00,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 38 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-02 11:22:00,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 97 transitions. [2024-11-02 11:22:00,671 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 97 transitions. Word has length 144 [2024-11-02 11:22:00,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:22:00,671 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 97 transitions. [2024-11-02 11:22:00,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-02 11:22:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 97 transitions. [2024-11-02 11:22:00,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-02 11:22:00,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:22:00,676 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:22:00,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-02 11:22:00,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 11:22:00,880 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:22:00,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:22:00,882 INFO L85 PathProgramCache]: Analyzing trace with hash 630450843, now seen corresponding path program 1 times [2024-11-02 11:22:00,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:22:00,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1765378781] [2024-11-02 11:22:00,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:22:00,883 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 11:22:00,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:22:00,891 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 11:22:00,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0271247f-d966-47db-8e15-710329d56b2a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-02 11:22:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:22:01,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-02 11:22:01,852 INFO L278 TraceCheckSpWp]: Computing forward predicates...