./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-77.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_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/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_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/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_ac62be2b-0098-4fb8-af75-323aefd2ca14/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 a952acfa53c9d8ed5476f250c2c62bf18b7a8ab48ccae1dd7ea79e5c6eb36395 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:08:18,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:08:18,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:08:18,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:08:18,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:08:18,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:08:18,693 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:08:18,694 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:08:18,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:08:18,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:08:18,697 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:08:18,697 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:08:18,698 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:08:18,698 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:08:18,701 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:08:18,701 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:08:18,702 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:08:18,702 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:08:18,702 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:08:18,703 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:08:18,703 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:08:18,707 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:08:18,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:08:18,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:08:18,708 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:08:18,708 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:08:18,709 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:08:18,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:08:18,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:08:18,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:08:18,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:08:18,713 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:08:18,714 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:08:18,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:08:18,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:08:18,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:08:18,715 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:08:18,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:08:18,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:08:18,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:08:18,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:08:18,717 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:08:18,717 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:08:18,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:08:18,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:08:18,719 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:08:18,720 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:08:18,720 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_ac62be2b-0098-4fb8-af75-323aefd2ca14/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a952acfa53c9d8ed5476f250c2c62bf18b7a8ab48ccae1dd7ea79e5c6eb36395 [2024-11-09 07:08:19,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:08:19,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:08:19,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:08:19,048 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:08:19,049 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:08:19,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-77.i Unable to find full path for "g++" [2024-11-09 07:08:21,227 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:08:21,568 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:08:21,568 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-77.i [2024-11-09 07:08:21,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/data/99957cf95/159f8d400dad4c21ba3596a87b670e49/FLAG5e205b720 [2024-11-09 07:08:21,817 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/data/99957cf95/159f8d400dad4c21ba3596a87b670e49 [2024-11-09 07:08:21,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:08:21,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:08:21,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:08:21,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:08:21,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:08:21,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:08:21" (1/1) ... [2024-11-09 07:08:21,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f634ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:21, skipping insertion in model container [2024-11-09 07:08:21,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:08:21" (1/1) ... [2024-11-09 07:08:21,874 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:08:22,081 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_ac62be2b-0098-4fb8-af75-323aefd2ca14/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-77.i[919,932] [2024-11-09 07:08:22,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:08:22,164 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:08:22,178 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_ac62be2b-0098-4fb8-af75-323aefd2ca14/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-77.i[919,932] [2024-11-09 07:08:22,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:08:22,244 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:08:22,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22 WrapperNode [2024-11-09 07:08:22,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:08:22,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:08:22,247 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:08:22,247 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:08:22,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:22,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:22,310 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2024-11-09 07:08:22,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:08:22,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:08:22,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:08:22,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:08:22,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:22,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:22,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:22,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:22,339 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:22,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:22,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:22,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:22,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:08:22,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:08:22,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:08:22,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:08:22,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (1/1) ... [2024-11-09 07:08:22,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:08:22,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:08:22,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:08:22,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:08:22,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:08:22,446 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:08:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:08:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:08:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:08:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:08:22,562 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:08:22,564 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:08:22,976 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 07:08:22,976 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:08:23,281 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:08:23,284 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:08:23,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:08:23 BoogieIcfgContainer [2024-11-09 07:08:23,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:08:23,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:08:23,291 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:08:23,296 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:08:23,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:08:21" (1/3) ... [2024-11-09 07:08:23,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ebba6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:08:23, skipping insertion in model container [2024-11-09 07:08:23,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:22" (2/3) ... [2024-11-09 07:08:23,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ebba6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:08:23, skipping insertion in model container [2024-11-09 07:08:23,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:08:23" (3/3) ... [2024-11-09 07:08:23,303 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-77.i [2024-11-09 07:08:23,327 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:08:23,328 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:08:23,409 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:08:23,417 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;@5f52ef4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:08:23,417 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:08:23,421 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 07:08:23,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 07:08:23,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:08:23,434 INFO L215 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:08:23,434 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:08:23,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:23,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1052649846, now seen corresponding path program 1 times [2024-11-09 07:08:23,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:08:23,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013485074] [2024-11-09 07:08:23,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:23,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 07:08:24,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1370294501] [2024-11-09 07:08:24,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:24,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:08:24,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:08:24,065 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:08:24,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:08:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:08:24,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:08:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:08:24,461 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:08:24,465 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:08:24,467 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:08:24,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 07:08:24,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 07:08:24,678 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:08:24,758 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:08:24,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:08:24 BoogieIcfgContainer [2024-11-09 07:08:24,762 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:08:24,763 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:08:24,763 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:08:24,763 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:08:24,764 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:08:23" (3/4) ... [2024-11-09 07:08:24,767 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:08:24,769 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:08:24,770 INFO L158 Benchmark]: Toolchain (without parser) took 2948.11ms. Allocated memory was 153.1MB in the beginning and 209.7MB in the end (delta: 56.6MB). Free memory was 118.8MB in the beginning and 123.5MB in the end (delta: -4.8MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2024-11-09 07:08:24,771 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 153.1MB. Free memory was 93.6MB in the beginning and 93.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:08:24,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.82ms. Allocated memory is still 153.1MB. Free memory was 118.4MB in the beginning and 103.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 07:08:24,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.91ms. Allocated memory is still 153.1MB. Free memory was 103.2MB in the beginning and 99.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 07:08:24,774 INFO L158 Benchmark]: Boogie Preprocessor took 43.01ms. Allocated memory is still 153.1MB. Free memory was 99.4MB in the beginning and 97.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:08:24,775 INFO L158 Benchmark]: RCFGBuilder took 930.37ms. Allocated memory was 153.1MB in the beginning and 209.7MB in the end (delta: 56.6MB). Free memory was 97.3MB in the beginning and 173.9MB in the end (delta: -76.6MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2024-11-09 07:08:24,777 INFO L158 Benchmark]: TraceAbstraction took 1472.39ms. Allocated memory is still 209.7MB. Free memory was 173.9MB in the beginning and 123.5MB in the end (delta: 50.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-09 07:08:24,778 INFO L158 Benchmark]: Witness Printer took 6.05ms. Allocated memory is still 209.7MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:08:24,784 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 153.1MB. Free memory was 93.6MB in the beginning and 93.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.82ms. Allocated memory is still 153.1MB. Free memory was 118.4MB in the beginning and 103.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.91ms. Allocated memory is still 153.1MB. Free memory was 103.2MB in the beginning and 99.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.01ms. Allocated memory is still 153.1MB. Free memory was 99.4MB in the beginning and 97.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 930.37ms. Allocated memory was 153.1MB in the beginning and 209.7MB in the end (delta: 56.6MB). Free memory was 97.3MB in the beginning and 173.9MB in the end (delta: -76.6MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1472.39ms. Allocated memory is still 209.7MB. Free memory was 173.9MB in the beginning and 123.5MB in the end (delta: 50.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 6.05ms. Allocated memory is still 209.7MB. Free memory is still 123.5MB. 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 someBinaryFLOATComparisonOperation at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 2; [L23] float var_1_2 = 255.5; [L24] float var_1_3 = 99.8; [L25] signed char var_1_4 = -25; [L26] float var_1_6 = 255.25; [L27] unsigned short int var_1_7 = 16; [L28] signed char var_1_8 = -10; [L29] signed char var_1_9 = -8; [L30] unsigned short int var_1_10 = 8; [L31] unsigned short int var_1_11 = 10000; [L32] unsigned short int var_1_12 = 5; [L33] signed short int var_1_13 = 200; [L34] unsigned char var_1_15 = 0; [L35] unsigned short int var_1_16 = 35895; [L36] unsigned short int var_1_17 = 18336; [L37] unsigned char var_1_18 = 0; [L38] signed long int var_1_19 = -50; [L39] signed char last_1_var_1_8 = -10; [L40] unsigned char last_1_var_1_15 = 0; [L41] signed long int last_1_var_1_19 = -50; [L128] isInitial = 1 [L129] FCALL initially() [L130] COND TRUE 1 [L131] CALL updateLastVariables() [L119] last_1_var_1_8 = var_1_8 [L120] last_1_var_1_15 = var_1_15 [L121] last_1_var_1_19 = var_1_19 [L131] RET updateLastVariables() [L132] CALL updateVariables() [L87] var_1_2 = __VERIFIER_nondet_float() [L88] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L89] var_1_3 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L91] var_1_4 = __VERIFIER_nondet_char() [L92] CALL assume_abort_if_not(var_1_4 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_4 >= -127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L93] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L94] var_1_6 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=16, var_1_8=-10, var_1_9=-8] [L96] var_1_7 = __VERIFIER_nondet_ushort() [L97] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_8=-10, var_1_9=-8] [L98] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=-8] [L99] var_1_9 = __VERIFIER_nondet_char() [L100] CALL assume_abort_if_not(var_1_9 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_9 >= -127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L101] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L102] var_1_11 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_11 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_11 >= 8191) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L104] CALL assume_abort_if_not(var_1_11 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_11 <= 16384) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L105] var_1_12 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L107] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=-63678, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=-63678, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L108] var_1_16 = __VERIFIER_nondet_ushort() [L109] CALL assume_abort_if_not(var_1_16 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=-63678, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_16 >= 32767) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=-63678, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L110] CALL assume_abort_if_not(var_1_16 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=-63678, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_16 <= 65535) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=-63678, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L111] var_1_17 = __VERIFIER_nondet_ushort() [L112] CALL assume_abort_if_not(var_1_17 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=-63678, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=-49153, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_17 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=-63678, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=-49153, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L113] CALL assume_abort_if_not(var_1_17 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=-63678, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=-49153, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_17 <= 32767) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=-63678, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=-49153, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L114] var_1_18 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=-63678, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=-49153, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=-63678, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=-49153, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L116] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=-63678, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=-49153, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=-63678, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=-49153, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L132] RET updateVariables() [L133] CALL step() [L45] COND FALSE !((var_1_6 * var_1_2) <= var_1_3) [L52] COND TRUE var_1_3 != var_1_6 [L53] COND FALSE !(var_1_13 >= (var_1_16 - (var_1_17 - 256))) [L56] var_1_15 = var_1_18 [L61] COND FALSE !(((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) <= last_1_var_1_8) [L68] var_1_1 = var_1_7 [L70] COND FALSE !((- var_1_7) < (var_1_1 * var_1_4)) [L73] var_1_10 = (50 + ((var_1_11 + 10000) - var_1_12)) [L74] COND FALSE !(var_1_1 < (- var_1_10)) [L79] COND TRUE var_1_1 < (((((var_1_10) < (var_1_17)) ? (var_1_10) : (var_1_17))) / var_1_11) [L80] var_1_19 = ((((var_1_7) > (var_1_9)) ? (var_1_7) : (var_1_9))) [L133] RET step() [L134] CALL, EXPR property() [L124-L125] return ((((((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) <= last_1_var_1_8) ? (((- var_1_3) > ((((var_1_2) > (var_1_6)) ? (var_1_2) : (var_1_6)))) ? (var_1_1 == ((unsigned short int) var_1_7)) : (var_1_1 == ((unsigned short int) var_1_7))) : (var_1_1 == ((unsigned short int) var_1_7))) && (((- var_1_7) < (var_1_1 * var_1_4)) ? (var_1_8 == ((signed char) var_1_9)) : 1)) && (var_1_10 == ((unsigned short int) (50 + ((var_1_11 + 10000) - var_1_12))))) && (((var_1_6 * var_1_2) <= var_1_3) ? (last_1_var_1_15 ? (var_1_13 == ((signed short int) (-10 + var_1_12))) : (var_1_13 == ((signed short int) var_1_4))) : 1)) && ((var_1_3 != var_1_6) ? ((var_1_13 >= (var_1_16 - (var_1_17 - 256))) ? (var_1_15 == ((unsigned char) var_1_18)) : (var_1_15 == ((unsigned char) var_1_18))) : (var_1_15 == ((unsigned char) var_1_18)))) && ((var_1_1 < (- var_1_10)) ? (((var_1_7 + (128 + var_1_1)) <= last_1_var_1_19) ? (var_1_19 == ((signed long int) var_1_4)) : 1) : ((var_1_1 < (((((var_1_10) < (var_1_17)) ? (var_1_10) : (var_1_17))) / var_1_11)) ? (var_1_19 == ((signed long int) ((((var_1_7) > (var_1_9)) ? (var_1_7) : (var_1_9))))) : (var_1_19 == ((signed long int) var_1_16)))) ; [L134] RET, EXPR property() [L134] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=16383, var_1_11=8191, var_1_12=-63678, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=-49153, var_1_18=0, var_1_19=0, var_1_1=0, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=16383, var_1_11=8191, var_1_12=-63678, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=-49153, var_1_18=0, var_1_19=0, var_1_1=0, var_1_4=0, var_1_7=0, var_1_8=-10, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 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 07:08:24,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/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_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/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_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/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_ac62be2b-0098-4fb8-af75-323aefd2ca14/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 a952acfa53c9d8ed5476f250c2c62bf18b7a8ab48ccae1dd7ea79e5c6eb36395 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:08:27,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:08:27,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 07:08:27,702 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:08:27,703 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:08:27,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:08:27,746 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:08:27,747 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:08:27,748 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:08:27,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:08:27,749 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:08:27,749 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:08:27,749 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:08:27,750 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:08:27,750 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:08:27,751 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:08:27,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:08:27,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:08:27,756 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:08:27,756 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:08:27,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:08:27,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:08:27,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:08:27,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:08:27,759 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:08:27,759 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:08:27,759 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:08:27,760 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:08:27,760 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:08:27,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:08:27,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:08:27,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:08:27,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:08:27,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:08:27,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:08:27,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:08:27,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:08:27,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:08:27,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:08:27,765 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:08:27,765 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:08:27,770 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:08:27,770 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:08:27,770 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_ac62be2b-0098-4fb8-af75-323aefd2ca14/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a952acfa53c9d8ed5476f250c2c62bf18b7a8ab48ccae1dd7ea79e5c6eb36395 [2024-11-09 07:08:28,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:08:28,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:08:28,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:08:28,292 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:08:28,293 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:08:28,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-77.i Unable to find full path for "g++" [2024-11-09 07:08:30,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:08:30,760 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:08:30,765 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-77.i [2024-11-09 07:08:30,786 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/data/01dfc1af2/a19d7595464244a1a5f6da44fae23e8c/FLAG90aafa70e [2024-11-09 07:08:30,801 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/data/01dfc1af2/a19d7595464244a1a5f6da44fae23e8c [2024-11-09 07:08:30,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:08:30,806 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:08:30,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:08:30,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:08:30,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:08:30,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:08:30" (1/1) ... [2024-11-09 07:08:30,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d83c8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:30, skipping insertion in model container [2024-11-09 07:08:30,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:08:30" (1/1) ... [2024-11-09 07:08:30,852 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:08:31,068 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_ac62be2b-0098-4fb8-af75-323aefd2ca14/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-77.i[919,932] [2024-11-09 07:08:31,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:08:31,157 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:08:31,173 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_ac62be2b-0098-4fb8-af75-323aefd2ca14/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-77.i[919,932] [2024-11-09 07:08:31,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:08:31,238 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:08:31,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31 WrapperNode [2024-11-09 07:08:31,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:08:31,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:08:31,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:08:31,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:08:31,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,313 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 131 [2024-11-09 07:08:31,317 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:08:31,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:08:31,318 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:08:31,318 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:08:31,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:08:31,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:08:31,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:08:31,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:08:31,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (1/1) ... [2024-11-09 07:08:31,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:08:31,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:08:31,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:08:31,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:08:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:08:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 07:08:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:08:31,477 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:08:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:08:31,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:08:31,605 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:08:31,607 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:08:32,560 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 07:08:32,563 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:08:32,578 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:08:32,578 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:08:32,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:08:32 BoogieIcfgContainer [2024-11-09 07:08:32,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:08:32,581 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:08:32,581 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:08:32,585 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:08:32,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:08:30" (1/3) ... [2024-11-09 07:08:32,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56369475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:08:32, skipping insertion in model container [2024-11-09 07:08:32,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:31" (2/3) ... [2024-11-09 07:08:32,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56369475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:08:32, skipping insertion in model container [2024-11-09 07:08:32,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:08:32" (3/3) ... [2024-11-09 07:08:32,589 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-77.i [2024-11-09 07:08:32,608 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:08:32,609 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:08:32,706 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:08:32,721 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;@69375f27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:08:32,721 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:08:32,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 07:08:32,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 07:08:32,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:08:32,767 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:08:32,768 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:08:32,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:32,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1621904242, now seen corresponding path program 1 times [2024-11-09 07:08:32,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:08:32,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [344029129] [2024-11-09 07:08:32,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:32,799 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 07:08:32,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:08:32,804 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/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 07:08:32,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/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 07:08:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:33,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 07:08:33,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:08:33,285 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-09 07:08:33,285 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:08:33,286 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:08:33,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [344029129] [2024-11-09 07:08:33,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [344029129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:33,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:33,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:08:33,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851987579] [2024-11-09 07:08:33,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:33,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:08:33,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:08:33,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:08:33,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:08:33,331 INFO L87 Difference]: Start difference. First operand has 60 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 07:08:33,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:08:33,368 INFO L93 Difference]: Finished difference Result 112 states and 193 transitions. [2024-11-09 07:08:33,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:08:33,370 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) Word has length 122 [2024-11-09 07:08:33,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:08:33,382 INFO L225 Difference]: With dead ends: 112 [2024-11-09 07:08:33,383 INFO L226 Difference]: Without dead ends: 55 [2024-11-09 07:08:33,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 121 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 07:08:33,396 INFO L432 NwaCegarLoop]: 81 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, 81 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 07:08:33,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:08:33,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-09 07:08:33,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-09 07:08:33,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 07:08:33,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 81 transitions. [2024-11-09 07:08:33,472 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 81 transitions. Word has length 122 [2024-11-09 07:08:33,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:08:33,473 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 81 transitions. [2024-11-09 07:08:33,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-09 07:08:33,475 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2024-11-09 07:08:33,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 07:08:33,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:08:33,481 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:08:33,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/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 07:08:33,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/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 07:08:33,685 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:08:33,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:33,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1633278644, now seen corresponding path program 1 times [2024-11-09 07:08:33,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:08:33,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1061676089] [2024-11-09 07:08:33,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:33,691 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 07:08:33,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:08:33,693 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/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 07:08:33,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac62be2b-0098-4fb8-af75-323aefd2ca14/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 07:08:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:33,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 07:08:34,014 INFO L278 TraceCheckSpWp]: Computing forward predicates...