./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cac2372de612a50e6cea0e2672ab51101a6ffa3bb2603a06b5c5aa59090db116 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:39:31,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:39:31,233 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-13 23:39:31,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:39:31,239 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:39:31,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:39:31,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:39:31,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:39:31,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:39:31,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:39:31,275 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:39:31,275 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:39:31,275 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:39:31,276 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:39:31,276 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:39:31,276 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:39:31,276 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:39:31,276 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:39:31,276 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:39:31,277 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:39:31,277 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:39:31,277 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:39:31,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:39:31,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:39:31,278 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:39:31,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:39:31,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:39:31,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:39:31,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:39:31,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:39:31,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:39:31,279 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:39:31,279 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:39:31,279 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:39:31,279 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:39:31,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:39:31,280 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:39:31,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:39:31,280 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:39:31,280 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:39:31,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:39:31,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:39:31,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:39:31,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:39:31,281 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:39:31,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:39:31,281 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:39:31,281 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:39:31,281 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:39:31,282 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E 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 ! overflow) ) 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 -> cac2372de612a50e6cea0e2672ab51101a6ffa3bb2603a06b5c5aa59090db116 [2024-11-13 23:39:31,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:39:31,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:39:31,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:39:31,641 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:39:31,641 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:39:31,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_3-1.i Unable to find full path for "g++" [2024-11-13 23:39:33,823 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:39:34,272 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:39:34,273 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/sv-benchmarks/c/ldv-memsafety/memleaks_test22_3-1.i [2024-11-13 23:39:34,296 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/data/12f11a0f7/9cfa0b155ee240acb9d05a92d28c1c2d/FLAG1c97c4bbc [2024-11-13 23:39:34,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/data/12f11a0f7/9cfa0b155ee240acb9d05a92d28c1c2d [2024-11-13 23:39:34,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:39:34,421 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:39:34,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:39:34,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:39:34,429 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:39:34,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:39:34" (1/1) ... [2024-11-13 23:39:34,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5055435a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:34, skipping insertion in model container [2024-11-13 23:39:34,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:39:34" (1/1) ... [2024-11-13 23:39:34,490 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:39:34,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:39:34,952 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:39:35,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:39:35,123 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:39:35,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:35 WrapperNode [2024-11-13 23:39:35,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:39:35,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:39:35,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:39:35,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:39:35,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:35" (1/1) ... [2024-11-13 23:39:35,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:35" (1/1) ... [2024-11-13 23:39:35,186 INFO L138 Inliner]: procedures = 166, calls = 73, calls flagged for inlining = 25, calls inlined = 19, statements flattened = 128 [2024-11-13 23:39:35,187 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:39:35,188 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:39:35,188 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:39:35,188 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:39:35,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:35" (1/1) ... [2024-11-13 23:39:35,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:35" (1/1) ... [2024-11-13 23:39:35,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:35" (1/1) ... [2024-11-13 23:39:35,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:35" (1/1) ... [2024-11-13 23:39:35,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:35" (1/1) ... [2024-11-13 23:39:35,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:35" (1/1) ... [2024-11-13 23:39:35,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:35" (1/1) ... [2024-11-13 23:39:35,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:35" (1/1) ... [2024-11-13 23:39:35,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:39:35,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:39:35,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:39:35,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:39:35,241 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:35" (1/1) ... [2024-11-13 23:39:35,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:39:35,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:35,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:39:35,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:39:35,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:39:35,326 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2024-11-13 23:39:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2024-11-13 23:39:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-13 23:39:35,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-13 23:39:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2024-11-13 23:39:35,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2024-11-13 23:39:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:39:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 23:39:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:39:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 23:39:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 23:39:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:39:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 23:39:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:39:35,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:39:35,483 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:39:35,485 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:39:35,915 INFO L? ?]: Removed 111 outVars from TransFormulas that were not future-live. [2024-11-13 23:39:35,916 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:39:36,104 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:39:36,104 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:39:36,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:39:36 BoogieIcfgContainer [2024-11-13 23:39:36,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:39:36,110 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:39:36,110 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:39:36,118 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:39:36,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:39:34" (1/3) ... [2024-11-13 23:39:36,119 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@776685d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:39:36, skipping insertion in model container [2024-11-13 23:39:36,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:35" (2/3) ... [2024-11-13 23:39:36,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@776685d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:39:36, skipping insertion in model container [2024-11-13 23:39:36,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:39:36" (3/3) ... [2024-11-13 23:39:36,122 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test22_3-1.i [2024-11-13 23:39:36,146 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:39:36,148 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG memleaks_test22_3-1.i that has 4 procedures, 34 locations, 1 initial locations, 1 loop locations, and 4 error locations. [2024-11-13 23:39:36,224 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:39:36,243 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;@77c600fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:39:36,245 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-13 23:39:36,250 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 27 states have internal predecessors, (32), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 23:39:36,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:39:36,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:36,260 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:36,261 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 23:39:36,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:36,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1568878959, now seen corresponding path program 1 times [2024-11-13 23:39:36,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:36,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326282764] [2024-11-13 23:39:36,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:36,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:36,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:39:36,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:36,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326282764] [2024-11-13 23:39:36,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326282764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:36,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:36,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:39:36,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558480199] [2024-11-13 23:39:36,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:36,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:39:36,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:36,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:39:36,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:36,876 INFO L87 Difference]: Start difference. First operand has 34 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 27 states have internal predecessors, (32), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:39:36,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:36,994 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions. [2024-11-13 23:39:36,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:39:36,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2024-11-13 23:39:37,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:37,008 INFO L225 Difference]: With dead ends: 55 [2024-11-13 23:39:37,009 INFO L226 Difference]: Without dead ends: 35 [2024-11-13 23:39:37,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:37,018 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 1 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:37,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 84 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:39:37,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-13 23:39:37,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2024-11-13 23:39:37,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 23 states have (on average 1.434782608695652) internal successors, (33), 28 states have internal predecessors, (33), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 23:39:37,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2024-11-13 23:39:37,088 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 9 [2024-11-13 23:39:37,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:37,089 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2024-11-13 23:39:37,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:39:37,090 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2024-11-13 23:39:37,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:39:37,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:37,093 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:37,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 23:39:37,093 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 23:39:37,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:37,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1307419796, now seen corresponding path program 1 times [2024-11-13 23:39:37,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:37,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123788144] [2024-11-13 23:39:37,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:37,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:37,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:39:37,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:37,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123788144] [2024-11-13 23:39:37,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123788144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:37,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:37,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 23:39:37,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338968714] [2024-11-13 23:39:37,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:37,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 23:39:37,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:37,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 23:39:37,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:39:37,604 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:39:37,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:37,839 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2024-11-13 23:39:37,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 23:39:37,841 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-13 23:39:37,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:37,842 INFO L225 Difference]: With dead ends: 52 [2024-11-13 23:39:37,843 INFO L226 Difference]: Without dead ends: 32 [2024-11-13 23:39:37,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 23:39:37,845 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 5 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:37,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 153 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:39:37,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-13 23:39:37,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-13 23:39:37,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 26 states have internal predecessors, (30), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 23:39:37,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2024-11-13 23:39:37,857 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 13 [2024-11-13 23:39:37,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:37,858 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2024-11-13 23:39:37,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:39:37,859 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2024-11-13 23:39:37,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:37,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:37,860 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:37,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 23:39:37,860 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 23:39:37,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:37,861 INFO L85 PathProgramCache]: Analyzing trace with hash 304830820, now seen corresponding path program 1 times [2024-11-13 23:39:37,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:37,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111322470] [2024-11-13 23:39:37,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:37,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:38,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:39:38,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:38,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111322470] [2024-11-13 23:39:38,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111322470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:38,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:38,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 23:39:38,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015480259] [2024-11-13 23:39:38,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:38,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:39:38,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:38,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:39:38,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:39:38,255 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:39:38,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:38,370 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2024-11-13 23:39:38,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:39:38,371 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-13 23:39:38,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:38,372 INFO L225 Difference]: With dead ends: 52 [2024-11-13 23:39:38,372 INFO L226 Difference]: Without dead ends: 36 [2024-11-13 23:39:38,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:39:38,373 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:38,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 115 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:39:38,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-13 23:39:38,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2024-11-13 23:39:38,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 24 states have (on average 1.375) internal successors, (33), 29 states have internal predecessors, (33), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 23:39:38,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2024-11-13 23:39:38,382 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 12 [2024-11-13 23:39:38,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:38,383 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2024-11-13 23:39:38,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:39:38,383 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2024-11-13 23:39:38,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:39:38,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:38,384 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:38,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 23:39:38,385 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 23:39:38,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:38,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1926378483, now seen corresponding path program 1 times [2024-11-13 23:39:38,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:38,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633866676] [2024-11-13 23:39:38,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:38,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:38,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:39:38,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:38,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633866676] [2024-11-13 23:39:38,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633866676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:38,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:38,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:39:38,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585801982] [2024-11-13 23:39:38,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:38,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:39:38,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:38,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:39:38,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:39:38,556 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:39:38,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:38,671 INFO L93 Difference]: Finished difference Result 55 states and 62 transitions. [2024-11-13 23:39:38,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:39:38,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-13 23:39:38,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:38,673 INFO L225 Difference]: With dead ends: 55 [2024-11-13 23:39:38,673 INFO L226 Difference]: Without dead ends: 32 [2024-11-13 23:39:38,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:39:38,675 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 6 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:38,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 92 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:39:38,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-13 23:39:38,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-13 23:39:38,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 25 states have internal predecessors, (28), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 23:39:38,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2024-11-13 23:39:38,687 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 14 [2024-11-13 23:39:38,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:38,687 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2024-11-13 23:39:38,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 23:39:38,689 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2024-11-13 23:39:38,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:39:38,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:38,690 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:38,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 23:39:38,691 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 23:39:38,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:38,692 INFO L85 PathProgramCache]: Analyzing trace with hash -102190501, now seen corresponding path program 1 times [2024-11-13 23:39:38,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:38,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207896325] [2024-11-13 23:39:38,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:38,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:38,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:39:38,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:38,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207896325] [2024-11-13 23:39:38,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207896325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:38,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:38,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:39:38,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62452085] [2024-11-13 23:39:38,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:38,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:39:38,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:38,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:39:38,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:39:38,873 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 23:39:38,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:38,919 INFO L93 Difference]: Finished difference Result 58 states and 64 transitions. [2024-11-13 23:39:38,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:39:38,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2024-11-13 23:39:38,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:38,921 INFO L225 Difference]: With dead ends: 58 [2024-11-13 23:39:38,921 INFO L226 Difference]: Without dead ends: 33 [2024-11-13 23:39:38,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:39:38,922 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:38,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:39:38,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-13 23:39:38,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-13 23:39:38,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 26 states have internal predecessors, (29), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 23:39:38,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2024-11-13 23:39:38,932 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 17 [2024-11-13 23:39:38,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:38,933 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2024-11-13 23:39:38,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 23:39:38,933 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2024-11-13 23:39:38,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 23:39:38,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:38,933 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:38,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 23:39:38,934 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 23:39:38,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:38,934 INFO L85 PathProgramCache]: Analyzing trace with hash 661288070, now seen corresponding path program 1 times [2024-11-13 23:39:38,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:38,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783102459] [2024-11-13 23:39:38,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:38,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:39,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:39:39,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:39,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783102459] [2024-11-13 23:39:39,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783102459] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:39:39,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719162873] [2024-11-13 23:39:39,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:39,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:39,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:39,224 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:39,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 23:39:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:39,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-13 23:39:39,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:39,573 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 19 treesize of output 1 [2024-11-13 23:39:39,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:39:39,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:39:39,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-13 23:39:39,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 19 treesize of output 7 [2024-11-13 23:39:39,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:39,831 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:39:39,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719162873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:39,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:39:39,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 13 [2024-11-13 23:39:39,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818639185] [2024-11-13 23:39:39,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:39,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 23:39:39,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:39,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 23:39:39,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-13 23:39:39,838 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 11 states, 8 states have (on average 1.75) internal successors, (14), 10 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 23:39:40,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:40,136 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2024-11-13 23:39:40,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 23:39:40,137 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 1.75) internal successors, (14), 10 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2024-11-13 23:39:40,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:40,139 INFO L225 Difference]: With dead ends: 35 [2024-11-13 23:39:40,139 INFO L226 Difference]: Without dead ends: 34 [2024-11-13 23:39:40,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-13 23:39:40,141 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 21 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:40,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 111 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 23:39:40,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-13 23:39:40,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2024-11-13 23:39:40,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 25 states have internal predecessors, (28), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 23:39:40,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2024-11-13 23:39:40,148 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 18 [2024-11-13 23:39:40,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:40,148 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2024-11-13 23:39:40,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 1.75) internal successors, (14), 10 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 23:39:40,149 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2024-11-13 23:39:40,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 23:39:40,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:40,149 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:40,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 23:39:40,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:40,354 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 23:39:40,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:40,354 INFO L85 PathProgramCache]: Analyzing trace with hash -974906230, now seen corresponding path program 1 times [2024-11-13 23:39:40,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:40,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793702388] [2024-11-13 23:39:40,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:40,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:40,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:39:40,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:40,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793702388] [2024-11-13 23:39:40,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793702388] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:39:40,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358527656] [2024-11-13 23:39:40,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:40,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:40,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:40,517 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:40,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 23:39:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:40,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-13 23:39:40,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:40,727 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 19 treesize of output 1 [2024-11-13 23:39:40,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:39:40,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:39:40,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-13 23:39:40,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 19 treesize of output 7 [2024-11-13 23:39:40,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:40,920 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:39:40,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358527656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:40,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:39:40,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 13 [2024-11-13 23:39:40,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633032111] [2024-11-13 23:39:40,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:40,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 23:39:40,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:40,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 23:39:40,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-13 23:39:40,922 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 11 states, 8 states have (on average 1.875) internal successors, (15), 10 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 23:39:41,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:41,154 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2024-11-13 23:39:41,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 23:39:41,156 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 1.875) internal successors, (15), 10 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2024-11-13 23:39:41,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:41,156 INFO L225 Difference]: With dead ends: 35 [2024-11-13 23:39:41,157 INFO L226 Difference]: Without dead ends: 34 [2024-11-13 23:39:41,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-13 23:39:41,158 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 19 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:41,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 101 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:39:41,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-13 23:39:41,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2024-11-13 23:39:41,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 24 states have internal predecessors, (27), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 23:39:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2024-11-13 23:39:41,168 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 19 [2024-11-13 23:39:41,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:41,168 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2024-11-13 23:39:41,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 1.875) internal successors, (15), 10 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 23:39:41,169 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2024-11-13 23:39:41,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:39:41,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:41,169 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:41,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 23:39:41,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-13 23:39:41,370 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 23:39:41,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:41,371 INFO L85 PathProgramCache]: Analyzing trace with hash -505136381, now seen corresponding path program 1 times [2024-11-13 23:39:41,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:41,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058686211] [2024-11-13 23:39:41,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:41,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:41,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:41,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:41,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058686211] [2024-11-13 23:39:41,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058686211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:41,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:41,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:39:41,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575915770] [2024-11-13 23:39:41,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:41,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:39:41,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:41,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:39:41,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:39:41,630 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 23:39:41,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:41,697 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2024-11-13 23:39:41,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:39:41,698 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2024-11-13 23:39:41,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:41,698 INFO L225 Difference]: With dead ends: 43 [2024-11-13 23:39:41,698 INFO L226 Difference]: Without dead ends: 31 [2024-11-13 23:39:41,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:39:41,700 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 3 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:41,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 77 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:39:41,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-13 23:39:41,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-13 23:39:41,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 24 states have internal predecessors, (26), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 23:39:41,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2024-11-13 23:39:41,709 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 22 [2024-11-13 23:39:41,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:41,710 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2024-11-13 23:39:41,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 23:39:41,710 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2024-11-13 23:39:41,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:39:41,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:41,711 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:41,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 23:39:41,711 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 23:39:41,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:41,712 INFO L85 PathProgramCache]: Analyzing trace with hash 2136294147, now seen corresponding path program 1 times [2024-11-13 23:39:41,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:41,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070051912] [2024-11-13 23:39:41,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:41,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:41,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:39:41,926 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:41,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070051912] [2024-11-13 23:39:41,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070051912] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:39:41,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352460592] [2024-11-13 23:39:41,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:41,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:41,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:41,929 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:41,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 23:39:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:42,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 126 conjuncts are in the unsatisfiable core [2024-11-13 23:39:42,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:42,405 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 15 treesize of output 1 [2024-11-13 23:39:42,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:39:42,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:39:42,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2024-11-13 23:39:42,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 36 treesize of output 13 [2024-11-13 23:39:43,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 15 treesize of output 7 [2024-11-13 23:39:43,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:39:43,112 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:39:46,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352460592] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:39:46,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [495507612] [2024-11-13 23:39:46,435 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2024-11-13 23:39:46,435 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:39:46,439 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:39:46,444 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:39:46,444 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:39:47,270 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_kobject_put with input of size 60 for LOIs [2024-11-13 23:39:47,383 INFO L197 IcfgInterpreter]: Interpreting procedure LDV_INIT_LIST_HEAD with input of size 58 for LOIs [2024-11-13 23:39:47,397 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 38 for LOIs [2024-11-13 23:39:47,436 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:39:53,675 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1211#(and (= (+ |ldv_kobject_put_#in~kobj#1.offset| 12) |ldv_kobject_put_ldv_kref_sub_~kref#1.offset|) (= |ldv_kobject_put_ldv_atomic_sub_return_~v#1.offset| |ldv_kobject_put_ldv_kref_sub_~kref#1.offset|) (<= 1 |#StackHeapBarrier|) (exists ((|v_#memory_$Pointer$.offset_59| (Array Int (Array Int Int)))) (= |old(#memory_$Pointer$.offset)| (store |v_#memory_$Pointer$.offset_59| |ldv_kobject_put_#in~kobj#1.base| (store (select |v_#memory_$Pointer$.offset_59| |ldv_kobject_put_#in~kobj#1.base|) (+ |ldv_kobject_put_#in~kobj#1.offset| 12) (select (select |old(#memory_$Pointer$.offset)| |ldv_kobject_put_#in~kobj#1.base|) (+ |ldv_kobject_put_#in~kobj#1.offset| 12)))))) (= |ldv_kobject_put_ldv_kref_sub_~release#1.offset| |#funAddr~ldv_kobject_release.offset|) (= |~#ldv_global_msg_list~0.offset| 0) (= |ldv_kobject_put_ldv_atomic_sub_return_~v#1.base| |ldv_kobject_put_ldv_kref_sub_~kref#1.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#funAddr~ldv_kobject_release.base| |ldv_kobject_put_ldv_kref_sub_~release#1.base|) (or (not (= |ldv_kobject_put_#in~kobj#1.offset| 0)) (not (= |ldv_kobject_put_#in~kobj#1.base| 0))) (= |~#ldv_global_msg_list~0.base| 1) (= |ldv_kobject_put_#in~kobj#1.base| |ldv_kobject_put_ldv_kref_sub_~kref#1.base|) (exists ((|v_#memory_int_78| (Array Int (Array Int Int)))) (and (<= 0 (+ (select (select |v_#memory_int_78| |ldv_kobject_put_#in~kobj#1.base|) (+ |ldv_kobject_put_#in~kobj#1.offset| 12)) 2147483649)) (= |old(#memory_int)| (store |v_#memory_int_78| |ldv_kobject_put_#in~kobj#1.base| (store (select |v_#memory_int_78| |ldv_kobject_put_#in~kobj#1.base|) (+ |ldv_kobject_put_#in~kobj#1.offset| 12) (+ (select (select |v_#memory_int_78| |ldv_kobject_put_#in~kobj#1.base|) (+ |ldv_kobject_put_#in~kobj#1.offset| 12)) 1)))))) (exists ((|v_#memory_$Pointer$.base_59| (Array Int (Array Int Int)))) (= (store |v_#memory_$Pointer$.base_59| |ldv_kobject_put_#in~kobj#1.base| (store (select |v_#memory_$Pointer$.base_59| |ldv_kobject_put_#in~kobj#1.base|) (+ |ldv_kobject_put_#in~kobj#1.offset| 12) (select (select |old(#memory_$Pointer$.base)| |ldv_kobject_put_#in~kobj#1.base|) (+ |ldv_kobject_put_#in~kobj#1.offset| 12)))) |old(#memory_$Pointer$.base)|)) (= |old(#valid)| |#valid|) (<= (+ (select (select |#memory_int| |ldv_kobject_put_ldv_atomic_sub_return_~v#1.base|) |ldv_kobject_put_ldv_atomic_sub_return_~v#1.offset|) 2147483648) 0))' at error location [2024-11-13 23:39:53,675 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:39:53,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 23:39:53,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 19] total 22 [2024-11-13 23:39:53,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282958434] [2024-11-13 23:39:53,676 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 23:39:53,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-13 23:39:53,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:53,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-13 23:39:53,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=2679, Unknown=4, NotChecked=0, Total=2862 [2024-11-13 23:39:53,680 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 22 states, 18 states have (on average 2.0555555555555554) internal successors, (37), 19 states have internal predecessors, (37), 4 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 23:39:54,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:54,930 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2024-11-13 23:39:54,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 23:39:54,931 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 2.0555555555555554) internal successors, (37), 19 states have internal predecessors, (37), 4 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 24 [2024-11-13 23:39:54,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:54,931 INFO L225 Difference]: With dead ends: 66 [2024-11-13 23:39:54,931 INFO L226 Difference]: Without dead ends: 41 [2024-11-13 23:39:54,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 954 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=240, Invalid=3662, Unknown=4, NotChecked=0, Total=3906 [2024-11-13 23:39:54,935 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 41 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:54,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 115 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 23:39:54,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-13 23:39:54,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2024-11-13 23:39:54,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 30 states have internal predecessors, (32), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 23:39:54,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2024-11-13 23:39:54,948 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 24 [2024-11-13 23:39:54,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:39:54,949 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2024-11-13 23:39:54,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 2.0555555555555554) internal successors, (37), 19 states have internal predecessors, (37), 4 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 23:39:54,949 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2024-11-13 23:39:54,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 23:39:54,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:54,950 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:54,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 23:39:55,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:55,150 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 23:39:55,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:55,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1265730807, now seen corresponding path program 1 times [2024-11-13 23:39:55,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:55,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570025563] [2024-11-13 23:39:55,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:55,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:55,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:39:55,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:55,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570025563] [2024-11-13 23:39:55,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570025563] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:39:55,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933616695] [2024-11-13 23:39:55,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:55,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:39:55,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:55,468 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:39:55,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 23:39:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:55,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 130 conjuncts are in the unsatisfiable core [2024-11-13 23:39:55,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:55,847 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 15 treesize of output 1 [2024-11-13 23:39:55,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:39:55,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:39:55,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2024-11-13 23:39:56,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 36 treesize of output 13 [2024-11-13 23:39:56,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 15 treesize of output 7 [2024-11-13 23:39:56,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:39:56,492 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:39:59,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933616695] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:39:59,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1442581352] [2024-11-13 23:39:59,273 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2024-11-13 23:39:59,273 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:39:59,274 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:39:59,274 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:39:59,274 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:39:59,747 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_kobject_put with input of size 60 for LOIs [2024-11-13 23:39:59,840 INFO L197 IcfgInterpreter]: Interpreting procedure LDV_INIT_LIST_HEAD with input of size 58 for LOIs [2024-11-13 23:39:59,849 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 38 for LOIs [2024-11-13 23:39:59,886 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:40:04,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1442581352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:40:04,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 23:40:04,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [5, 20] total 45 [2024-11-13 23:40:04,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966560273] [2024-11-13 23:40:04,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:40:04,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 23:40:04,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:04,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 23:40:04,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=2767, Unknown=4, NotChecked=0, Total=2970 [2024-11-13 23:40:04,736 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand has 23 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 23:40:10,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:40:10,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:10,352 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2024-11-13 23:40:10,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 23:40:10,353 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2024-11-13 23:40:10,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:10,354 INFO L225 Difference]: With dead ends: 47 [2024-11-13 23:40:10,354 INFO L226 Difference]: Without dead ends: 36 [2024-11-13 23:40:10,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 877 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=218, Invalid=3083, Unknown=5, NotChecked=0, Total=3306 [2024-11-13 23:40:10,356 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 14 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:10,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 98 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 380 Invalid, 6 Unknown, 0 Unchecked, 4.6s Time] [2024-11-13 23:40:10,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-13 23:40:10,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-13 23:40:10,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 28 states have internal predecessors, (30), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 23:40:10,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2024-11-13 23:40:10,366 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 26 [2024-11-13 23:40:10,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:10,367 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2024-11-13 23:40:10,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 23:40:10,367 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2024-11-13 23:40:10,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 23:40:10,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:10,368 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:10,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 23:40:10,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-13 23:40:10,569 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 23:40:10,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:10,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1425262874, now seen corresponding path program 1 times [2024-11-13 23:40:10,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:10,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538902985] [2024-11-13 23:40:10,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:10,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:10,982 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:40:10,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:10,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538902985] [2024-11-13 23:40:10,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538902985] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:40:10,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541927123] [2024-11-13 23:40:10,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:10,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:40:10,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:40:10,986 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:40:10,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 23:40:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:11,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 184 conjuncts are in the unsatisfiable core [2024-11-13 23:40:11,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:40:11,452 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 11 treesize of output 7 [2024-11-13 23:40:11,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:40:11,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:40:11,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2024-11-13 23:40:11,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 19 treesize of output 11 [2024-11-13 23:40:12,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 23 treesize of output 3 [2024-11-13 23:40:12,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 15 treesize of output 7 [2024-11-13 23:40:12,446 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:40:12,446 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:40:13,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541927123] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:40:13,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1950774825] [2024-11-13 23:40:13,024 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2024-11-13 23:40:13,024 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:40:13,024 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:40:13,025 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:40:13,025 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:40:13,716 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_kobject_put with input of size 9 for LOIs [2024-11-13 23:40:13,900 INFO L197 IcfgInterpreter]: Interpreting procedure LDV_INIT_LIST_HEAD with input of size 58 for LOIs [2024-11-13 23:40:13,906 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 38 for LOIs [2024-11-13 23:40:13,926 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:40:19,574 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1832#(and (= (+ |ldv_kobject_put_#in~kobj#1.offset| 12) |ldv_kobject_put_ldv_kref_sub_~kref#1.offset|) (= |ldv_kobject_put_ldv_atomic_sub_return_~v#1.offset| |ldv_kobject_put_ldv_kref_sub_~kref#1.offset|) (<= 1 |#StackHeapBarrier|) (= |ldv_kobject_put_ldv_kref_sub_~release#1.offset| |#funAddr~ldv_kobject_release.offset|) (= |~#ldv_global_msg_list~0.offset| 0) (= |ldv_kobject_put_ldv_atomic_sub_return_~v#1.base| |ldv_kobject_put_ldv_kref_sub_~kref#1.base|) (= |#funAddr~ldv_kobject_release.base| |ldv_kobject_put_ldv_kref_sub_~release#1.base|) (or (not (= |ldv_kobject_put_#in~kobj#1.offset| 0)) (not (= |ldv_kobject_put_#in~kobj#1.base| 0))) (= |~#ldv_global_msg_list~0.base| 1) (= |ldv_kobject_put_#in~kobj#1.base| |ldv_kobject_put_ldv_kref_sub_~kref#1.base|) (<= (+ (select (select |#memory_int| |ldv_kobject_put_ldv_atomic_sub_return_~v#1.base|) |ldv_kobject_put_ldv_atomic_sub_return_~v#1.offset|) 2147483648) 0))' at error location [2024-11-13 23:40:19,575 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:40:19,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 23:40:19,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 24] total 28 [2024-11-13 23:40:19,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842056351] [2024-11-13 23:40:19,577 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 23:40:19,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-13 23:40:19,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:19,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-13 23:40:19,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=2779, Unknown=5, NotChecked=0, Total=2970 [2024-11-13 23:40:19,581 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand has 28 states, 24 states have (on average 2.125) internal successors, (51), 25 states have internal predecessors, (51), 5 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-13 23:40:20,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:20,488 INFO L93 Difference]: Finished difference Result 63 states and 66 transitions. [2024-11-13 23:40:20,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 23:40:20,489 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 24 states have (on average 2.125) internal successors, (51), 25 states have internal predecessors, (51), 5 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) Word has length 33 [2024-11-13 23:40:20,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:20,490 INFO L225 Difference]: With dead ends: 63 [2024-11-13 23:40:20,490 INFO L226 Difference]: Without dead ends: 36 [2024-11-13 23:40:20,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=234, Invalid=3421, Unknown=5, NotChecked=0, Total=3660 [2024-11-13 23:40:20,492 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 13 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:20,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 82 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 23:40:20,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-13 23:40:20,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-13 23:40:20,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 28 states have internal predecessors, (30), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 23:40:20,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2024-11-13 23:40:20,503 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 33 [2024-11-13 23:40:20,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:20,503 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2024-11-13 23:40:20,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 24 states have (on average 2.125) internal successors, (51), 25 states have internal predecessors, (51), 5 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-13 23:40:20,504 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2024-11-13 23:40:20,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 23:40:20,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:20,504 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:20,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 23:40:20,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:40:20,705 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-13 23:40:20,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:20,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1393156226, now seen corresponding path program 1 times [2024-11-13 23:40:20,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:20,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298894809] [2024-11-13 23:40:20,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:20,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:21,057 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:40:21,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:21,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298894809] [2024-11-13 23:40:21,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298894809] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:40:21,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939193097] [2024-11-13 23:40:21,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:21,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:40:21,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:40:21,062 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:40:21,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 23:40:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:21,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 175 conjuncts are in the unsatisfiable core [2024-11-13 23:40:21,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:40:21,564 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 15 treesize of output 1 [2024-11-13 23:40:21,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:40:21,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:40:21,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2024-11-13 23:40:21,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 36 treesize of output 13 [2024-11-13 23:40:22,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 36 treesize of output 13 [2024-11-13 23:40:22,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 15 treesize of output 7 [2024-11-13 23:40:22,552 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:40:22,553 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:40:23,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939193097] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:40:23,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2140624489] [2024-11-13 23:40:23,127 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2024-11-13 23:40:23,127 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:40:23,127 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:40:23,128 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:40:23,128 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:40:23,775 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_kobject_put with input of size 9 for LOIs [2024-11-13 23:40:23,937 INFO L197 IcfgInterpreter]: Interpreting procedure LDV_INIT_LIST_HEAD with input of size 58 for LOIs [2024-11-13 23:40:23,944 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 38 for LOIs [2024-11-13 23:40:23,960 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:40:28,724 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2162#(and (= (+ |ldv_kobject_put_#in~kobj#1.offset| 12) |ldv_kobject_put_ldv_kref_sub_~kref#1.offset|) (= |ldv_kobject_put_ldv_atomic_sub_return_~v#1.offset| |ldv_kobject_put_ldv_kref_sub_~kref#1.offset|) (<= 1 |#StackHeapBarrier|) (= |ldv_kobject_put_ldv_kref_sub_~release#1.offset| |#funAddr~ldv_kobject_release.offset|) (= |~#ldv_global_msg_list~0.offset| 0) (= |ldv_kobject_put_ldv_atomic_sub_return_~v#1.base| |ldv_kobject_put_ldv_kref_sub_~kref#1.base|) (or (not (= |ldv_kobject_put_#in~kobj#1.offset| 0)) (not (= |ldv_kobject_put_ldv_kref_sub_~kref#1.base| 0))) (= |#funAddr~ldv_kobject_release.base| |ldv_kobject_put_ldv_kref_sub_~release#1.base|) (<= 2147483649 (select (select |#memory_int| |ldv_kobject_put_ldv_atomic_sub_return_~v#1.base|) |ldv_kobject_put_ldv_atomic_sub_return_~v#1.offset|)) (= |~#ldv_global_msg_list~0.base| 1) (= |ldv_kobject_put_#in~kobj#1.base| |ldv_kobject_put_ldv_kref_sub_~kref#1.base|))' at error location [2024-11-13 23:40:28,724 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:40:28,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 23:40:28,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 26] total 31 [2024-11-13 23:40:28,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36862478] [2024-11-13 23:40:28,724 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 23:40:28,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-13 23:40:28,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:28,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-13 23:40:28,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=3115, Unknown=0, NotChecked=0, Total=3306 [2024-11-13 23:40:28,727 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand has 31 states, 27 states have (on average 2.037037037037037) internal successors, (55), 28 states have internal predecessors, (55), 5 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-13 23:40:30,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:30,047 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2024-11-13 23:40:30,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 23:40:30,047 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 27 states have (on average 2.037037037037037) internal successors, (55), 28 states have internal predecessors, (55), 5 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) Word has length 35 [2024-11-13 23:40:30,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:30,047 INFO L225 Difference]: With dead ends: 64 [2024-11-13 23:40:30,048 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 23:40:30,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1209 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=265, Invalid=4427, Unknown=0, NotChecked=0, Total=4692 [2024-11-13 23:40:30,050 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 9 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:30,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 121 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 23:40:30,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 23:40:30,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 23:40:30,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:30,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 23:40:30,051 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2024-11-13 23:40:30,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:30,051 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 23:40:30,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 27 states have (on average 2.037037037037037) internal successors, (55), 28 states have internal predecessors, (55), 5 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-13 23:40:30,052 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 23:40:30,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:40:30,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-13 23:40:30,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-13 23:40:30,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-13 23:40:30,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-13 23:40:30,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 23:40:30,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:40:30,260 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:30,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 23:40:49,979 WARN L286 SmtUtils]: Spent 19.68s on a formula simplification. DAG size of input: 86 DAG size of output: 51 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-13 23:41:10,073 WARN L286 SmtUtils]: Spent 15.59s on a formula simplification. DAG size of input: 113 DAG size of output: 59 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-13 23:41:10,936 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:41:10,955 WARN L162 FloydHoareUtils]: Requires clause for ldv_malloc contained old-variable. Original clause: (let ((.cse0 (select |#memory_$Pointer$.offset| 1)) (.cse1 (select |#memory_$Pointer$.base| 1))) (and (= |old(#length)| |#length|) (<= 1 |#StackHeapBarrier|) (= (select |old(#length)| 1) 8) (= (select .cse0 0) 0) (= (select |old(#valid)| 1) 1) (= (select |old(#valid)| 0) 0) (= |~#ldv_global_msg_list~0.offset| 0) (= (select .cse0 4) 0) (= |ldv_malloc_#in~size| 16) (= (select .cse1 0) 1) (= |~#ldv_global_msg_list~0.base| 1) (= |old(#valid)| |#valid|) (= (select .cse1 4) 1))) Eliminated clause: (let ((.cse0 (select |#memory_$Pointer$.offset| 1)) (.cse1 (select |#memory_$Pointer$.base| 1))) (and (= (select |#length| 1) 8) (<= 1 |#StackHeapBarrier|) (= (select .cse0 0) 0) (= |~#ldv_global_msg_list~0.offset| 0) (= (select .cse0 4) 0) (= |ldv_malloc_#in~size| 16) (= (select .cse1 0) 1) (= (select |#valid| 1) 1) (= |~#ldv_global_msg_list~0.base| 1) (= (select |#valid| 0) 0) (= (select .cse1 4) 1))) [2024-11-13 23:41:10,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:10,982 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 23:41:10,989 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:41:10,989 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-13 23:41:10,989 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-13 23:41:10,990 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:10,990 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset [2024-11-13 23:41:10,990 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-13 23:41:10,990 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-13 23:41:10,993 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:10,994 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-13 23:41:10,994 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-13 23:41:10,994 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:10,995 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:10,995 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:10,995 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base [2024-11-13 23:41:10,995 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:10,995 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-13 23:41:10,995 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-13 23:41:10,995 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-13 23:41:10,995 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:10,995 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:41:10,995 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:41:10,995 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 23:41:10,996 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#length,GLOBAL]] [2024-11-13 23:41:10,996 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-13 23:41:10,996 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-13 23:41:10,996 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:10,996 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:10,996 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#valid,GLOBAL]] [2024-11-13 23:41:10,996 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 23:41:10,996 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#valid,GLOBAL]] [2024-11-13 23:41:10,996 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset [2024-11-13 23:41:10,996 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-13 23:41:10,996 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-13 23:41:10,997 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:10,997 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-13 23:41:10,997 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-13 23:41:10,998 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:10,998 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base [2024-11-13 23:41:10,999 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!offset [2024-11-13 23:41:11,000 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-13 23:41:11,000 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-13 23:41:11,000 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:41:11,002 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-13 23:41:11,003 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-13 23:41:11,003 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-13 23:41:11,012 WARN L162 FloydHoareUtils]: Requires clause for LDV_INIT_LIST_HEAD contained old-variable. Original clause: (and (exists ((|v_#memory_int_96| (Array Int (Array Int Int)))) (= |old(#memory_int)| (store |v_#memory_int_96| |LDV_INIT_LIST_HEAD_#in~list.base| (store (select |v_#memory_int_96| |LDV_INIT_LIST_HEAD_#in~list.base|) (+ |LDV_INIT_LIST_HEAD_#in~list.offset| 8) 1)))) (<= 1 |#StackHeapBarrier|) (= |~#ldv_global_msg_list~0.offset| 0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (or (not (= |LDV_INIT_LIST_HEAD_#in~list.base| 0)) (not (= |LDV_INIT_LIST_HEAD_#in~list.offset| 4))) (= |~#ldv_global_msg_list~0.base| 1)) Eliminated clause: (and (<= 1 |#StackHeapBarrier|) (exists ((|v_#memory_int_96| (Array Int (Array Int Int)))) (= |#memory_int| (store |v_#memory_int_96| |LDV_INIT_LIST_HEAD_#in~list.base| (store (select |v_#memory_int_96| |LDV_INIT_LIST_HEAD_#in~list.base|) (+ |LDV_INIT_LIST_HEAD_#in~list.offset| 8) 1)))) (= |~#ldv_global_msg_list~0.offset| 0) (or (not (= |LDV_INIT_LIST_HEAD_#in~list.base| 0)) (not (= |LDV_INIT_LIST_HEAD_#in~list.offset| 4))) (= |~#ldv_global_msg_list~0.base| 1)) [2024-11-13 23:41:11,017 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:41:11,021 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:41:11,022 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset [2024-11-13 23:41:11,022 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~list!base [2024-11-13 23:41:11,022 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~list!offset [2024-11-13 23:41:11,022 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base [2024-11-13 23:41:11,022 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-13 23:41:11,022 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-11-13 23:41:11,022 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:41:11,022 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:41:11,022 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset [2024-11-13 23:41:11,023 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-11-13 23:41:11,023 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:11,023 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~list!base [2024-11-13 23:41:11,023 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~list!offset [2024-11-13 23:41:11,023 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-11-13 23:41:11,023 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-13 23:41:11,023 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base [2024-11-13 23:41:11,023 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-13 23:41:11,023 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-13 23:41:11,023 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-13 23:41:11,024 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable ldv_global_msg_list by function LDV_INIT_LIST_HEAD [2024-11-13 23:41:11,042 WARN L162 FloydHoareUtils]: Requires clause for ldv_kobject_put contained old-variable. Original clause: (let ((.cse7 (= |ldv_kobject_put_#in~kobj#1.offset| 0))) (let ((.cse1 (= |#memory_int| |old(#memory_int)|)) (.cse4 (and .cse7 (= |ldv_kobject_put_#in~kobj#1.base| 0))) (.cse2 (= |~#ldv_global_msg_list~0.offset| 0)) (.cse3 (= |~#ldv_global_msg_list~0.base| 1)) (.cse0 (select (select |old(#memory_int)| |ldv_kobject_put_#in~kobj#1.base|) 12))) (and (or (< 1 .cse0) .cse1 (not .cse2) (< .cse0 1) (< |#StackHeapBarrier| 1) (not .cse3)) (or .cse4 (< .cse0 2) (and .cse1 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) (let ((.cse5 (<= 1 |#StackHeapBarrier|)) (.cse6 (<= 1 .cse0))) (or .cse4 (and .cse5 .cse2 .cse6 .cse7 (<= .cse0 1) .cse3) (and .cse5 .cse2 (exists ((|v_#memory_int_98| (Array Int (Array Int Int)))) (let ((.cse8 (select |v_#memory_int_98| |ldv_kobject_put_#in~kobj#1.base|)) (.cse9 (+ |ldv_kobject_put_#in~kobj#1.offset| 12))) (let ((.cse10 (select .cse8 .cse9))) (and (= (store |v_#memory_int_98| |ldv_kobject_put_#in~kobj#1.base| (store .cse8 .cse9 (+ .cse10 1))) |old(#memory_int)|) (<= .cse10 2147483646) (<= 0 (+ 2147483649 .cse10)))))) .cse6 .cse7 .cse3)))))) Eliminated clause: (exists ((|old(#valid)| (Array Int Int)) (|old(#memory_int)| (Array Int (Array Int Int))) (|old(#memory_$Pointer$.offset)| (Array Int (Array Int Int))) (|old(#memory_$Pointer$.base)| (Array Int (Array Int Int)))) (let ((.cse4 (= |ldv_kobject_put_#in~kobj#1.offset| 0)) (.cse3 (select (select |old(#memory_int)| |ldv_kobject_put_#in~kobj#1.base|) 12))) (let ((.cse8 (= .cse3 1)) (.cse2 (= |~#ldv_global_msg_list~0.offset| 0)) (.cse5 (= |~#ldv_global_msg_list~0.base| 1)) (.cse0 (and .cse4 (= |ldv_kobject_put_#in~kobj#1.base| 0))) (.cse9 (= |#memory_int| |old(#memory_int)|))) (and (let ((.cse1 (<= 1 |#StackHeapBarrier|))) (or .cse0 (and .cse1 .cse2 (<= 1 .cse3) .cse4 .cse5 (exists ((|v_#memory_int_98| (Array Int (Array Int Int)))) (let ((.cse7 (select |v_#memory_int_98| |ldv_kobject_put_#in~kobj#1.base|))) (let ((.cse6 (select .cse7 12))) (and (<= 0 (+ 2147483649 .cse6)) (<= .cse6 2147483646) (= |old(#memory_int)| (store |v_#memory_int_98| |ldv_kobject_put_#in~kobj#1.base| (store .cse7 12 (+ .cse6 1))))))))) (and .cse1 .cse2 .cse8 .cse4 .cse5))) (or (not .cse8) .cse9 (not .cse2) (< |#StackHeapBarrier| 1) (not .cse5)) (or .cse0 (< .cse3 2) (and .cse9 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))))))) [2024-11-13 23:41:11,060 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:41:11,060 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~kobj!offset [2024-11-13 23:41:11,060 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~kobj!base [2024-11-13 23:41:11,060 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-11-13 23:41:11,061 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:11,061 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:11,061 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:41:11,061 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#in~kobj!base,]]] [2024-11-13 23:41:11,061 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:11,061 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int,GLOBAL]] [2024-11-13 23:41:11,062 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int,GLOBAL]],[IdentifierExpression[#in~kobj!base,]]] [2024-11-13 23:41:11,062 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:11,063 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int,GLOBAL]] [2024-11-13 23:41:11,063 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int,GLOBAL]],[IdentifierExpression[#in~kobj!base,]]] [2024-11-13 23:41:11,063 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~kobj!offset [2024-11-13 23:41:11,063 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~kobj!base [2024-11-13 23:41:11,063 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:41:11,063 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset [2024-11-13 23:41:11,064 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:11,065 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int,GLOBAL]] [2024-11-13 23:41:11,065 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int,GLOBAL]],[IdentifierExpression[#in~kobj!base,]]] [2024-11-13 23:41:11,065 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~kobj!offset [2024-11-13 23:41:11,065 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base [2024-11-13 23:41:11,065 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:41:11,066 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:41:11,066 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset [2024-11-13 23:41:11,067 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:41:11,067 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int,GLOBAL]] [2024-11-13 23:41:11,067 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int,GLOBAL]],[IdentifierExpression[#in~kobj!base,]]] [2024-11-13 23:41:11,067 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~kobj!offset [2024-11-13 23:41:11,067 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base [2024-11-13 23:41:11,067 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-13 23:41:11,068 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-13 23:41:11,068 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-13 23:41:11,068 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable ldv_global_msg_list by function ldv_kobject_put [2024-11-13 23:41:11,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:41:11 BoogieIcfgContainer [2024-11-13 23:41:11,071 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:41:11,072 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:41:11,072 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:41:11,072 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:41:11,073 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:39:36" (3/4) ... [2024-11-13 23:41:11,076 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:41:11,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-13 23:41:11,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2024-11-13 23:41:11,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2024-11-13 23:41:11,089 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2024-11-13 23:41:11,091 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-13 23:41:11,092 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 23:41:11,092 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:41:11,229 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-13 23:41:11,230 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-13 23:41:11,230 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:41:11,232 INFO L158 Benchmark]: Toolchain (without parser) took 96810.47ms. Allocated memory was 109.1MB in the beginning and 486.5MB in the end (delta: 377.5MB). Free memory was 81.8MB in the beginning and 292.2MB in the end (delta: -210.4MB). Peak memory consumption was 164.0MB. Max. memory is 16.1GB. [2024-11-13 23:41:11,233 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 83.9MB. Free memory was 40.5MB in the beginning and 40.3MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:41:11,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 702.69ms. Allocated memory is still 109.1MB. Free memory was 81.4MB in the beginning and 59.8MB in the end (delta: 21.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:41:11,234 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.64ms. Allocated memory is still 109.1MB. Free memory was 59.8MB in the beginning and 57.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:41:11,234 INFO L158 Benchmark]: Boogie Preprocessor took 47.83ms. Allocated memory is still 109.1MB. Free memory was 57.6MB in the beginning and 55.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:41:11,234 INFO L158 Benchmark]: RCFGBuilder took 868.92ms. Allocated memory is still 109.1MB. Free memory was 55.9MB in the beginning and 71.7MB in the end (delta: -15.8MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-11-13 23:41:11,235 INFO L158 Benchmark]: TraceAbstraction took 94960.96ms. Allocated memory was 109.1MB in the beginning and 486.5MB in the end (delta: 377.5MB). Free memory was 71.1MB in the beginning and 296.4MB in the end (delta: -225.3MB). Peak memory consumption was 150.5MB. Max. memory is 16.1GB. [2024-11-13 23:41:11,235 INFO L158 Benchmark]: Witness Printer took 158.41ms. Allocated memory is still 486.5MB. Free memory was 296.4MB in the beginning and 292.2MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:41:11,237 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 83.9MB. Free memory was 40.5MB in the beginning and 40.3MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 702.69ms. Allocated memory is still 109.1MB. Free memory was 81.4MB in the beginning and 59.8MB in the end (delta: 21.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.64ms. Allocated memory is still 109.1MB. Free memory was 59.8MB in the beginning and 57.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.83ms. Allocated memory is still 109.1MB. Free memory was 57.6MB in the beginning and 55.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 868.92ms. Allocated memory is still 109.1MB. Free memory was 55.9MB in the beginning and 71.7MB in the end (delta: -15.8MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * TraceAbstraction took 94960.96ms. Allocated memory was 109.1MB in the beginning and 486.5MB in the end (delta: 377.5MB). Free memory was 71.1MB in the beginning and 296.4MB in the end (delta: -225.3MB). Peak memory consumption was 150.5MB. Max. memory is 16.1GB. * Witness Printer took 158.41ms. Allocated memory is still 486.5MB. Free memory was 296.4MB in the beginning and 292.2MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#length,GLOBAL]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#valid,GLOBAL]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#valid,GLOBAL]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #res!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~list!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~list!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~list!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~list!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable ldv_global_msg_list by function LDV_INIT_LIST_HEAD - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~kobj!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~kobj!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#in~kobj!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int,GLOBAL]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int,GLOBAL]],[IdentifierExpression[#in~kobj!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int,GLOBAL]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int,GLOBAL]],[IdentifierExpression[#in~kobj!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~kobj!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~kobj!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int,GLOBAL]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int,GLOBAL]],[IdentifierExpression[#in~kobj!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~kobj!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int,GLOBAL]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int,GLOBAL]],[IdentifierExpression[#in~kobj!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~kobj!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable ldv_global_msg_list by function ldv_kobject_put * 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 - PositiveResult [Line: 659]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 659]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 667]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 667]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 34 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 54.1s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 7.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 1200 SdHoareTripleChecker+Invalid, 6.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 977 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2271 IncrementalHoareTripleChecker+Invalid, 2330 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 223 mSDtfsCounter, 2271 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 398 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 289 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4054 ImplicationChecksByTransitivity, 33.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=9, InterpolantAutomatonStates: 151, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 9 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 15.3s InterpolantComputationTime, 397 NumberOfCodeBlocks, 397 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 379 ConstructedInterpolants, 0 QuantifiedInterpolants, 2148 SizeOfPredicates, 94 NumberOfNonLiveVariables, 1665 ConjunctsInSsa, 751 ConjunctsInUnsatCore, 18 InterpolantComputations, 8 PerfectInterpolantSequences, 10/45 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: OVERALL_TIME: 0.6s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 24, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 23, TOOLS_POST_TIME: 0.4s, TOOLS_POST_CALL_APPLICATIONS: 7, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME: 0.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 34, TOOLS_QUANTIFIERELIM_TIME: 0.4s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 68, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 24, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.1s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.1s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 270, DAG_COMPRESSION_RETAINED_NODES: 71, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - ProcedureContractResult [Line: 525]: Procedure Contract for ldv_malloc Derived contract for procedure ldv_malloc. Requires: (size == 16) Ensures: ((size == 16) && (ldv_global_msg_list == \old(ldv_global_msg_list))) RESULT: Ultimate proved your program to be correct! [2024-11-13 23:41:11,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff6807d-e667-45d0-930b-74f46bd15e42/bin/utaipan-verify-sOmjnqqW8E/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 Writing output log to file Ultimate.log Result: TRUE