./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-84.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0a5650-ff38-49c7-94ec-3af163d7f73c/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0a5650-ff38-49c7-94ec-3af163d7f73c/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_8a0a5650-ff38-49c7-94ec-3af163d7f73c/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0a5650-ff38-49c7-94ec-3af163d7f73c/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0a5650-ff38-49c7-94ec-3af163d7f73c/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_8a0a5650-ff38-49c7-94ec-3af163d7f73c/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 7fd36b961a9568d61d1e2740d3df2c3ef998c6b657eefe353ce47ee368fc6b64 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:05:17,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:05:17,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0a5650-ff38-49c7-94ec-3af163d7f73c/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:05:17,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:05:17,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:05:17,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:05:17,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:05:17,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:05:17,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:05:17,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:05:17,407 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:05:17,407 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:05:17,408 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:05:17,408 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:05:17,409 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:05:17,409 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:05:17,410 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:05:17,410 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:05:17,410 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:05:17,411 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:05:17,411 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:05:17,415 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:05:17,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:05:17,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:05:17,416 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:05:17,417 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:05:17,417 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:05:17,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:05:17,418 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:05:17,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:05:17,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:05:17,423 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:05:17,423 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:05:17,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:05:17,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:05:17,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:05:17,424 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:05:17,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:05:17,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:05:17,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:05:17,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:05:17,430 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:05:17,431 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:05:17,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:05:17,431 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:05:17,432 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:05:17,432 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:05:17,432 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_8a0a5650-ff38-49c7-94ec-3af163d7f73c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0a5650-ff38-49c7-94ec-3af163d7f73c/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fd36b961a9568d61d1e2740d3df2c3ef998c6b657eefe353ce47ee368fc6b64 [2024-11-09 05:05:17,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:05:17,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:05:17,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:05:17,758 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:05:17,759 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:05:17,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0a5650-ff38-49c7-94ec-3af163d7f73c/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-84.i Unable to find full path for "g++" [2024-11-09 05:05:20,105 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:05:20,418 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:05:20,419 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0a5650-ff38-49c7-94ec-3af163d7f73c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-84.i [2024-11-09 05:05:20,441 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0a5650-ff38-49c7-94ec-3af163d7f73c/bin/utaipan-verify-YMUCfTKeje/data/0692fe596/6f12f79a89ff46689bf0affad47b63fe/FLAG597e68e00 [2024-11-09 05:05:20,466 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0a5650-ff38-49c7-94ec-3af163d7f73c/bin/utaipan-verify-YMUCfTKeje/data/0692fe596/6f12f79a89ff46689bf0affad47b63fe [2024-11-09 05:05:20,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:05:20,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:05:20,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:05:20,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:05:20,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:05:20,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:05:20" (1/1) ... [2024-11-09 05:05:20,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68847f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:20, skipping insertion in model container [2024-11-09 05:05:20,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:05:20" (1/1) ... [2024-11-09 05:05:20,535 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:05:20,764 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_8a0a5650-ff38-49c7-94ec-3af163d7f73c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-84.i[917,930] [2024-11-09 05:05:20,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:05:20,872 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:05:20,886 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_8a0a5650-ff38-49c7-94ec-3af163d7f73c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-84.i[917,930] [2024-11-09 05:05:20,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:05:20,981 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:05:20,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:20 WrapperNode [2024-11-09 05:05:20,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:05:20,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:05:20,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:05:20,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:05:20,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:20" (1/1) ... [2024-11-09 05:05:21,009 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:20" (1/1) ... [2024-11-09 05:05:21,069 INFO L138 Inliner]: procedures = 29, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 444 [2024-11-09 05:05:21,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:05:21,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:05:21,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:05:21,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:05:21,090 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:20" (1/1) ... [2024-11-09 05:05:21,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:20" (1/1) ... [2024-11-09 05:05:21,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:20" (1/1) ... [2024-11-09 05:05:21,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:20" (1/1) ... [2024-11-09 05:05:21,136 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:20" (1/1) ... [2024-11-09 05:05:21,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:20" (1/1) ... [2024-11-09 05:05:21,154 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:20" (1/1) ... [2024-11-09 05:05:21,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:20" (1/1) ... [2024-11-09 05:05:21,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:05:21,169 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:05:21,169 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:05:21,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:05:21,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:20" (1/1) ... [2024-11-09 05:05:21,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:05:21,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0a5650-ff38-49c7-94ec-3af163d7f73c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:05:21,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0a5650-ff38-49c7-94ec-3af163d7f73c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:05:21,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0a5650-ff38-49c7-94ec-3af163d7f73c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:05:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:05:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 05:05:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:05:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 05:05:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:05:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-09 05:05:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:05:21,275 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:05:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:05:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:05:21,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:05:21,478 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:05:21,481 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:05:22,318 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-11-09 05:05:22,319 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:05:23,047 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:05:23,048 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:05:23,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:05:23 BoogieIcfgContainer [2024-11-09 05:05:23,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:05:23,053 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:05:23,053 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:05:23,057 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:05:23,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:05:20" (1/3) ... [2024-11-09 05:05:23,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2339d85a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:05:23, skipping insertion in model container [2024-11-09 05:05:23,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:20" (2/3) ... [2024-11-09 05:05:23,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2339d85a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:05:23, skipping insertion in model container [2024-11-09 05:05:23,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:05:23" (3/3) ... [2024-11-09 05:05:23,065 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-84.i [2024-11-09 05:05:23,091 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:05:23,091 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:05:23,201 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:05:23,213 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;@92eb5de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:05:23,215 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:05:23,220 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 05:05:23,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 05:05:23,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:23,235 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:23,237 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:05:23,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:23,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1662397768, now seen corresponding path program 1 times [2024-11-09 05:05:23,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:05:23,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255045873] [2024-11-09 05:05:23,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:23,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:05:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:06:47,255 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-09 05:06:47,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:06:47,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255045873] [2024-11-09 05:06:47,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255045873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:06:47,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040383755] [2024-11-09 05:06:47,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:06:47,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:06:47,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0a5650-ff38-49c7-94ec-3af163d7f73c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:06:47,261 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0a5650-ff38-49c7-94ec-3af163d7f73c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:06:47,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a0a5650-ff38-49c7-94ec-3af163d7f73c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:06:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:06:48,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 190 conjuncts are in the unsatisfiable core [2024-11-09 05:06:48,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:06:49,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-09 05:06:52,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2024-11-09 05:06:53,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-09 05:06:57,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2024-11-09 05:06:59,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 48 [2024-11-09 05:07:01,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 48 [2024-11-09 05:07:05,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 65 [2024-11-09 05:07:08,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 77 [2024-11-09 05:07:12,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 89 [2024-11-09 05:07:15,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 101 [2024-11-09 05:07:22,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 249 [2024-11-09 05:07:22,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 320 [2024-11-09 05:07:22,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:07:22,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:07:22,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:07:22,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:07:22,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:07:22,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:07:22,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 279 treesize of output 261 [2024-11-09 05:07:30,651 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 121 proven. 245 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:07:30,652 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:07:32,671 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 05:07:32,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 278 treesize of output 279 [2024-11-09 05:08:25,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2024-11-09 05:09:27,066 WARN L286 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:09:41,247 WARN L286 SmtUtils]: Spent 10.17s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:09:53,362 WARN L286 SmtUtils]: Spent 7.68s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:10:03,631 WARN L286 SmtUtils]: Spent 5.59s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:10:10,487 WARN L286 SmtUtils]: Spent 6.85s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:10:27,328 WARN L286 SmtUtils]: Spent 9.75s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:10:47,307 WARN L286 SmtUtils]: Spent 5.26s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:11:03,908 WARN L286 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:11:09,796 WARN L286 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:11:19,023 WARN L286 SmtUtils]: Spent 9.23s 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 05:11:31,803 WARN L286 SmtUtils]: Spent 11.32s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:11:50,418 WARN L286 SmtUtils]: Spent 9.29s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:12:07,630 WARN L286 SmtUtils]: Spent 10.44s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:12:50,853 WARN L286 SmtUtils]: Spent 38.25s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:13:11,582 WARN L286 SmtUtils]: Spent 20.73s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:13:33,775 WARN L286 SmtUtils]: Spent 22.19s 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 05:13:45,326 WARN L286 SmtUtils]: Spent 11.55s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:13:58,652 WARN L286 SmtUtils]: Spent 13.32s 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 05:14:28,824 WARN L286 SmtUtils]: Spent 26.39s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:14:45,064 WARN L286 SmtUtils]: Spent 16.24s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:14:54,291 WARN L286 SmtUtils]: Spent 6.57s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:15:24,876 WARN L286 SmtUtils]: Spent 27.16s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:15:44,609 WARN L286 SmtUtils]: Spent 17.21s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:16:01,829 WARN L286 SmtUtils]: Spent 17.22s 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 05:16:13,239 WARN L286 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:16:31,005 WARN L286 SmtUtils]: Spent 15.23s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:16:48,390 WARN L286 SmtUtils]: Spent 17.38s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:17:06,792 WARN L286 SmtUtils]: Spent 18.40s on a formula simplification that was a NOOP. DAG size: 65 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:17:17,925 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 65 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:17:22,981 WARN L286 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:17:38,846 WARN L286 SmtUtils]: Spent 11.07s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:17:44,680 WARN L286 SmtUtils]: Spent 5.83s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:18:30,300 WARN L286 SmtUtils]: Spent 35.24s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:18:48,953 WARN L286 SmtUtils]: Spent 18.65s 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 05:19:09,549 WARN L286 SmtUtils]: Spent 20.59s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)