./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.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_ea79bf39-1a71-48dc-9317-c01e52edd727/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea79bf39-1a71-48dc-9317-c01e52edd727/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_ea79bf39-1a71-48dc-9317-c01e52edd727/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea79bf39-1a71-48dc-9317-c01e52edd727/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea79bf39-1a71-48dc-9317-c01e52edd727/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_ea79bf39-1a71-48dc-9317-c01e52edd727/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 b28c8175bc39dd1c459be6d9349fe3be895f115cd8cddc9719a89a6e0edbf727 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:51:15,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:51:15,904 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea79bf39-1a71-48dc-9317-c01e52edd727/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:51:15,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:51:15,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:51:15,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:51:15,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:51:15,949 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:51:15,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:51:15,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:51:15,952 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:51:15,952 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:51:15,952 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:51:15,953 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:51:15,955 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:51:15,955 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:51:15,955 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:51:15,956 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:51:15,956 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:51:15,956 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:51:15,957 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:51:15,960 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:51:15,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:51:15,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:51:15,962 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:51:15,962 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:51:15,962 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:51:15,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:51:15,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:51:15,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:51:15,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:51:15,963 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:51:15,963 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:51:15,964 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:51:15,964 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:51:15,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:51:15,966 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:51:15,967 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:51:15,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:51:15,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:51:15,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:51:15,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:51:15,968 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:51:15,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:51:15,969 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:51:15,969 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:51:15,969 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:51:15,970 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_ea79bf39-1a71-48dc-9317-c01e52edd727/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea79bf39-1a71-48dc-9317-c01e52edd727/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b28c8175bc39dd1c459be6d9349fe3be895f115cd8cddc9719a89a6e0edbf727 [2024-11-09 06:51:16,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:51:16,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:51:16,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:51:16,285 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:51:16,286 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:51:16,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea79bf39-1a71-48dc-9317-c01e52edd727/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i Unable to find full path for "g++" [2024-11-09 06:51:18,330 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:51:18,549 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:51:18,550 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea79bf39-1a71-48dc-9317-c01e52edd727/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i [2024-11-09 06:51:18,559 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea79bf39-1a71-48dc-9317-c01e52edd727/bin/utaipan-verify-YMUCfTKeje/data/f861fe276/319836a03f824d44b7afab3997e7d6e9/FLAG6b193b25f [2024-11-09 06:51:18,913 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea79bf39-1a71-48dc-9317-c01e52edd727/bin/utaipan-verify-YMUCfTKeje/data/f861fe276/319836a03f824d44b7afab3997e7d6e9 [2024-11-09 06:51:18,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:51:18,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:51:18,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:51:18,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:51:18,927 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:51:18,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:51:18" (1/1) ... [2024-11-09 06:51:18,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@111ba431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:18, skipping insertion in model container [2024-11-09 06:51:18,929 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:51:18" (1/1) ... [2024-11-09 06:51:18,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:51:19,183 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_ea79bf39-1a71-48dc-9317-c01e52edd727/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i[916,929] [2024-11-09 06:51:19,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:51:19,275 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:51:19,288 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_ea79bf39-1a71-48dc-9317-c01e52edd727/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i[916,929] [2024-11-09 06:51:19,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:51:19,343 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:51:19,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:19 WrapperNode [2024-11-09 06:51:19,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:51:19,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:51:19,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:51:19,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:51:19,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:19" (1/1) ... [2024-11-09 06:51:19,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:19" (1/1) ... [2024-11-09 06:51:19,432 INFO L138 Inliner]: procedures = 26, calls = 143, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 461 [2024-11-09 06:51:19,435 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:51:19,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:51:19,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:51:19,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:51:19,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:19" (1/1) ... [2024-11-09 06:51:19,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:19" (1/1) ... [2024-11-09 06:51:19,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:19" (1/1) ... [2024-11-09 06:51:19,454 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:19" (1/1) ... [2024-11-09 06:51:19,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:19" (1/1) ... [2024-11-09 06:51:19,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:19" (1/1) ... [2024-11-09 06:51:19,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:19" (1/1) ... [2024-11-09 06:51:19,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:19" (1/1) ... [2024-11-09 06:51:19,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:51:19,481 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:51:19,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:51:19,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:51:19,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:19" (1/1) ... [2024-11-09 06:51:19,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:51:19,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea79bf39-1a71-48dc-9317-c01e52edd727/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:51:19,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea79bf39-1a71-48dc-9317-c01e52edd727/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:51:19,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea79bf39-1a71-48dc-9317-c01e52edd727/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:51:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:51:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:51:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:51:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:51:19,573 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:51:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:51:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:51:19,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:51:19,742 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:51:19,745 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:51:20,406 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2024-11-09 06:51:20,406 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:51:21,011 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:51:21,012 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:51:21,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:51:21 BoogieIcfgContainer [2024-11-09 06:51:21,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:51:21,015 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:51:21,016 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:51:21,020 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:51:21,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:51:18" (1/3) ... [2024-11-09 06:51:21,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c290e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:51:21, skipping insertion in model container [2024-11-09 06:51:21,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:51:19" (2/3) ... [2024-11-09 06:51:21,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c290e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:51:21, skipping insertion in model container [2024-11-09 06:51:21,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:51:21" (3/3) ... [2024-11-09 06:51:21,026 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-89.i [2024-11-09 06:51:21,045 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:51:21,046 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:51:21,122 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:51:21,131 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;@50fac242, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:51:21,131 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:51:21,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 06:51:21,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 06:51:21,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:51:21,147 INFO L215 NwaCegarLoop]: trace histogram [13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:21,148 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:51:21,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:21,154 INFO L85 PathProgramCache]: Analyzing trace with hash 360633097, now seen corresponding path program 1 times [2024-11-09 06:51:21,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:51:21,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481846744] [2024-11-09 06:51:21,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:21,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:51:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:59,910 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 06:51:59,911 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:51:59,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481846744] [2024-11-09 06:51:59,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481846744] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:51:59,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243154071] [2024-11-09 06:51:59,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:59,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:51:59,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea79bf39-1a71-48dc-9317-c01e52edd727/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:51:59,916 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea79bf39-1a71-48dc-9317-c01e52edd727/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:51:59,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea79bf39-1a71-48dc-9317-c01e52edd727/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:52:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:00,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 135 conjuncts are in the unsatisfiable core [2024-11-09 06:52:00,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:52:01,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:01,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:01,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:01,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:01,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:01,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 55 [2024-11-09 06:52:04,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:04,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:04,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:05,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:05,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:05,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:05,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 68 [2024-11-09 06:52:07,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:07,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:07,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:07,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:07,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:07,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:07,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 73 [2024-11-09 06:52:09,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:09,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:09,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:09,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:09,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:09,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:09,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:09,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 82 [2024-11-09 06:52:11,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:11,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:11,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:11,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:11,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:11,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:11,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:11,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 87 [2024-11-09 06:52:12,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:12,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:12,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:12,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:12,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:12,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:12,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:52:12,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 82 [2024-11-09 06:52:28,764 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 146 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 06:52:28,764 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:00:54,345 WARN L286 SmtUtils]: Spent 10.87s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:01:01,440 WARN L286 SmtUtils]: Spent 7.09s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:01:08,193 WARN L286 SmtUtils]: Spent 6.75s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:01:15,659 WARN L286 SmtUtils]: Spent 7.46s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:01:26,317 WARN L286 SmtUtils]: Spent 10.66s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:01:45,651 WARN L286 SmtUtils]: Spent 5.54s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:02:00,204 WARN L286 SmtUtils]: Spent 11.07s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:02:08,536 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:02:17,264 WARN L286 SmtUtils]: Spent 8.73s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:02:29,148 WARN L286 SmtUtils]: Spent 11.88s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:02:37,907 WARN L286 SmtUtils]: Spent 8.76s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:02:44,488 WARN L286 SmtUtils]: Spent 6.58s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:02:55,383 WARN L286 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:03:01,432 WARN L286 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:03:07,828 WARN L286 SmtUtils]: Spent 6.39s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:03:22,330 WARN L286 SmtUtils]: Spent 9.78s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:03:30,403 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:03:36,458 WARN L286 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:03:48,940 WARN L286 SmtUtils]: Spent 7.48s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:03:56,849 WARN L286 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:04:08,591 WARN L286 SmtUtils]: Spent 6.84s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:04:16,734 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:04:26,352 WARN L286 SmtUtils]: Spent 9.62s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:04:37,346 WARN L286 SmtUtils]: Spent 10.99s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:04:44,630 WARN L286 SmtUtils]: Spent 7.28s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:04:51,912 WARN L286 SmtUtils]: Spent 7.28s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:04:57,179 WARN L286 SmtUtils]: Spent 5.27s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:05:07,413 WARN L286 SmtUtils]: Spent 5.74s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:05:19,507 WARN L286 SmtUtils]: Spent 12.09s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:05:37,625 WARN L286 SmtUtils]: Spent 18.12s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:05:49,719 WARN L286 SmtUtils]: Spent 12.09s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 07:05:58,020 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)