./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje --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 0739bef7461b62f52995e3feabe5faf9fb4f95fee3f2cf661c4248d2611e75f6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:22:32,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:22:32,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 06:22:32,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:22:32,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:22:32,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:22:32,187 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:22:32,188 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:22:32,189 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:22:32,190 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:22:32,191 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:22:32,192 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:22:32,192 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:22:32,192 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:22:32,195 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:22:32,195 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:22:32,196 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:22:32,196 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:22:32,196 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:22:32,197 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:22:32,197 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:22:32,200 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:22:32,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:22:32,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:22:32,202 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:22:32,202 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:22:32,205 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:22:32,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:22:32,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:22:32,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:22:32,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:22:32,207 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:22:32,207 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 06:22:32,207 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:22:32,208 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:22:32,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:22:32,209 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:22:32,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:22:32,210 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:22:32,210 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:22:32,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:22:32,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:22:32,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:22:32,212 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:22:32,213 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:22:32,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:22:32,214 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:22:32,214 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:22:32,214 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:22:32,214 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0739bef7461b62f52995e3feabe5faf9fb4f95fee3f2cf661c4248d2611e75f6 [2024-11-09 06:22:32,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:22:32,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:22:32,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:22:32,567 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:22:32,572 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:22:32,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i Unable to find full path for "g++" [2024-11-09 06:22:34,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:22:35,147 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:22:35,148 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2024-11-09 06:22:35,165 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/data/1a5447185/2bb60b7f647649dc85ac3aacc431a18f/FLAG2316ea8e7 [2024-11-09 06:22:35,432 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/data/1a5447185/2bb60b7f647649dc85ac3aacc431a18f [2024-11-09 06:22:35,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:22:35,438 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:22:35,440 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:22:35,440 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:22:35,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:22:35,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:22:35" (1/1) ... [2024-11-09 06:22:35,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515d92d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:35, skipping insertion in model container [2024-11-09 06:22:35,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:22:35" (1/1) ... [2024-11-09 06:22:35,537 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:22:36,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:22:36,074 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:22:36,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:22:36,218 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:22:36,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:36 WrapperNode [2024-11-09 06:22:36,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:22:36,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:22:36,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:22:36,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:22:36,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:36" (1/1) ... [2024-11-09 06:22:36,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:36" (1/1) ... [2024-11-09 06:22:36,280 INFO L138 Inliner]: procedures = 166, calls = 72, calls flagged for inlining = 24, calls inlined = 18, statements flattened = 125 [2024-11-09 06:22:36,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:22:36,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:22:36,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:22:36,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:22:36,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:36" (1/1) ... [2024-11-09 06:22:36,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:36" (1/1) ... [2024-11-09 06:22:36,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:36" (1/1) ... [2024-11-09 06:22:36,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:36" (1/1) ... [2024-11-09 06:22:36,307 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:36" (1/1) ... [2024-11-09 06:22:36,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:36" (1/1) ... [2024-11-09 06:22:36,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:36" (1/1) ... [2024-11-09 06:22:36,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:36" (1/1) ... [2024-11-09 06:22:36,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:22:36,324 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:22:36,324 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:22:36,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:22:36,325 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:36" (1/1) ... [2024-11-09 06:22:36,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:22:36,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:22:36,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:22:36,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:22:36,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:22:36,406 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2024-11-09 06:22:36,406 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2024-11-09 06:22:36,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 06:22:36,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 06:22:36,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2024-11-09 06:22:36,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2024-11-09 06:22:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:22:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:22:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:22:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:22:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:22:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:22:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 06:22:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:22:36,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:22:36,551 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:22:36,554 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:22:36,871 INFO L? ?]: Removed 109 outVars from TransFormulas that were not future-live. [2024-11-09 06:22:36,871 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:22:37,021 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:22:37,022 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:22:37,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:22:37 BoogieIcfgContainer [2024-11-09 06:22:37,022 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:22:37,026 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:22:37,026 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:22:37,030 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:22:37,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:22:35" (1/3) ... [2024-11-09 06:22:37,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d82960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:22:37, skipping insertion in model container [2024-11-09 06:22:37,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:36" (2/3) ... [2024-11-09 06:22:37,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d82960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:22:37, skipping insertion in model container [2024-11-09 06:22:37,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:22:37" (3/3) ... [2024-11-09 06:22:37,034 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test22_4.i [2024-11-09 06:22:37,057 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:22:37,057 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 06:22:37,121 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:22:37,130 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;@ac4fad8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:22:37,131 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 06:22:37,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 26 states have internal predecessors, (31), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 06:22:37,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 06:22:37,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:22:37,145 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:22:37,146 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)] === [2024-11-09 06:22:37,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:22:37,153 INFO L85 PathProgramCache]: Analyzing trace with hash 854314411, now seen corresponding path program 1 times [2024-11-09 06:22:37,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:22:37,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738508867] [2024-11-09 06:22:37,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:22:37,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:22:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:22:37,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:22:37,750 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:22:37,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738508867] [2024-11-09 06:22:37,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738508867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:22:37,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:22:37,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:22:37,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769772819] [2024-11-09 06:22:37,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:22:37,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:22:37,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:22:37,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:22:37,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:22:37,786 INFO L87 Difference]: Start difference. First operand has 32 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 26 states have internal predecessors, (31), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) 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) [2024-11-09 06:22:37,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:22:37,880 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2024-11-09 06:22:37,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:22:37,883 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 [2024-11-09 06:22:37,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:22:37,891 INFO L225 Difference]: With dead ends: 51 [2024-11-09 06:22:37,892 INFO L226 Difference]: Without dead ends: 31 [2024-11-09 06:22:37,895 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 [2024-11-09 06:22:37,899 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 1 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 75 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 [2024-11-09 06:22:37,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 75 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:22:37,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-09 06:22:37,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2024-11-09 06:22:37,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.380952380952381) internal successors, (29), 25 states have internal predecessors, (29), 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) [2024-11-09 06:22:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2024-11-09 06:22:37,938 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 9 [2024-11-09 06:22:37,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:22:37,939 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-11-09 06:22:37,940 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) [2024-11-09 06:22:37,940 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2024-11-09 06:22:37,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 06:22:37,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:22:37,941 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:22:37,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:22:37,942 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)] === [2024-11-09 06:22:37,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:22:37,943 INFO L85 PathProgramCache]: Analyzing trace with hash 752923364, now seen corresponding path program 1 times [2024-11-09 06:22:37,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:22:37,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740669679] [2024-11-09 06:22:37,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:22:37,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:22:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:22:38,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:22:38,211 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:22:38,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740669679] [2024-11-09 06:22:38,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740669679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:22:38,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:22:38,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 06:22:38,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639236434] [2024-11-09 06:22:38,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:22:38,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:22:38,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:22:38,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:22:38,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:22:38,218 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 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) [2024-11-09 06:22:38,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:22:38,329 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2024-11-09 06:22:38,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:22:38,330 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 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 [2024-11-09 06:22:38,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:22:38,331 INFO L225 Difference]: With dead ends: 38 [2024-11-09 06:22:38,331 INFO L226 Difference]: Without dead ends: 28 [2024-11-09 06:22:38,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:22:38,334 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:22:38,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 111 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:22:38,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-09 06:22:38,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-09 06:22:38,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.368421052631579) internal successors, (26), 23 states have internal predecessors, (26), 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) [2024-11-09 06:22:38,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2024-11-09 06:22:38,342 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 13 [2024-11-09 06:22:38,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:22:38,344 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2024-11-09 06:22:38,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 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) [2024-11-09 06:22:38,345 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-11-09 06:22:38,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 06:22:38,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:22:38,347 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:22:38,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:22:38,348 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)] === [2024-11-09 06:22:38,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:22:38,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1572845427, now seen corresponding path program 1 times [2024-11-09 06:22:38,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:22:38,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402871158] [2024-11-09 06:22:38,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:22:38,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:22:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:22:38,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:22:38,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:22:38,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402871158] [2024-11-09 06:22:38,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402871158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:22:38,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:22:38,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 06:22:38,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286825373] [2024-11-09 06:22:38,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:22:38,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:22:38,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:22:38,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:22:38,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:22:38,654 INFO L87 Difference]: Start difference. First operand 28 states and 31 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) [2024-11-09 06:22:38,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:22:38,761 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2024-11-09 06:22:38,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:22:38,764 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 [2024-11-09 06:22:38,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:22:38,765 INFO L225 Difference]: With dead ends: 44 [2024-11-09 06:22:38,765 INFO L226 Difference]: Without dead ends: 32 [2024-11-09 06:22:38,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:22:38,767 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 1 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:22:38,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 90 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:22:38,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-09 06:22:38,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2024-11-09 06:22:38,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 26 states have internal predecessors, (29), 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) [2024-11-09 06:22:38,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2024-11-09 06:22:38,780 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 12 [2024-11-09 06:22:38,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:22:38,781 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2024-11-09 06:22:38,781 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) [2024-11-09 06:22:38,781 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2024-11-09 06:22:38,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 06:22:38,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:22:38,783 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:22:38,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:22:38,785 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)] === [2024-11-09 06:22:38,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:22:38,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1807979766, now seen corresponding path program 1 times [2024-11-09 06:22:38,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:22:38,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830501767] [2024-11-09 06:22:38,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:22:38,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:22:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:22:38,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:22:38,964 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:22:38,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830501767] [2024-11-09 06:22:38,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830501767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:22:38,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:22:38,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:22:38,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440646612] [2024-11-09 06:22:38,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:22:38,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:22:38,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:22:38,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:22:38,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:22:38,970 INFO L87 Difference]: Start difference. First operand 31 states and 34 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) [2024-11-09 06:22:39,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:22:39,080 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2024-11-09 06:22:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:22:39,081 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 [2024-11-09 06:22:39,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:22:39,082 INFO L225 Difference]: With dead ends: 47 [2024-11-09 06:22:39,082 INFO L226 Difference]: Without dead ends: 28 [2024-11-09 06:22:39,083 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 [2024-11-09 06:22:39,084 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 6 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:22:39,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 72 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:22:39,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-09 06:22:39,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-09 06:22:39,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.263157894736842) internal successors, (24), 22 states have internal predecessors, (24), 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) [2024-11-09 06:22:39,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2024-11-09 06:22:39,091 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 14 [2024-11-09 06:22:39,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:22:39,092 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2024-11-09 06:22:39,092 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) [2024-11-09 06:22:39,092 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2024-11-09 06:22:39,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 06:22:39,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:22:39,093 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:22:39,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:22:39,094 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)] === [2024-11-09 06:22:39,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:22:39,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1206939918, now seen corresponding path program 1 times [2024-11-09 06:22:39,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:22:39,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564518975] [2024-11-09 06:22:39,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:22:39,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:22:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:22:39,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:22:39,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:22:39,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564518975] [2024-11-09 06:22:39,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564518975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:22:39,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:22:39,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:22:39,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023493619] [2024-11-09 06:22:39,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:22:39,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:22:39,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:22:39,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:22:39,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:22:39,239 INFO L87 Difference]: Start difference. First operand 28 states and 29 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) [2024-11-09 06:22:39,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:22:39,275 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2024-11-09 06:22:39,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:22:39,276 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 [2024-11-09 06:22:39,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:22:39,276 INFO L225 Difference]: With dead ends: 50 [2024-11-09 06:22:39,276 INFO L226 Difference]: Without dead ends: 29 [2024-11-09 06:22:39,277 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 [2024-11-09 06:22:39,278 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:22:39,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 41 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:22:39,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-09 06:22:39,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-09 06:22:39,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.25) internal successors, (25), 23 states have internal predecessors, (25), 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) [2024-11-09 06:22:39,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2024-11-09 06:22:39,285 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 17 [2024-11-09 06:22:39,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:22:39,285 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2024-11-09 06:22:39,286 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) [2024-11-09 06:22:39,286 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2024-11-09 06:22:39,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 06:22:39,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:22:39,287 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:22:39,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:22:39,288 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)] === [2024-11-09 06:22:39,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:22:39,289 INFO L85 PathProgramCache]: Analyzing trace with hash -703006143, now seen corresponding path program 1 times [2024-11-09 06:22:39,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:22:39,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376515185] [2024-11-09 06:22:39,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:22:39,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:22:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:22:39,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:22:39,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:22:39,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376515185] [2024-11-09 06:22:39,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376515185] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:22:39,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154905287] [2024-11-09 06:22:39,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:22:39,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:22:39,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:22:39,534 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:22:39,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:22:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:22:39,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-09 06:22:39,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:22:39,854 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 13 treesize of output 9 [2024-11-09 06:22:39,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:22:39,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:22:39,983 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 [2024-11-09 06:22:40,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 06:22:40,124 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:22:40,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154905287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:22:40,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:22:40,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 13 [2024-11-09 06:22:40,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070874736] [2024-11-09 06:22:40,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:22:40,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 06:22:40,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:22:40,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 06:22:40,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:22:40,131 INFO L87 Difference]: Start difference. First operand 29 states and 30 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) [2024-11-09 06:22:40,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:22:40,397 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2024-11-09 06:22:40,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 06:22:40,400 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 [2024-11-09 06:22:40,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:22:40,401 INFO L225 Difference]: With dead ends: 30 [2024-11-09 06:22:40,401 INFO L226 Difference]: Without dead ends: 29 [2024-11-09 06:22:40,402 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 [2024-11-09 06:22:40,403 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 11 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:22:40,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 76 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 06:22:40,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-09 06:22:40,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2024-11-09 06:22:40,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 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) [2024-11-09 06:22:40,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2024-11-09 06:22:40,418 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 18 [2024-11-09 06:22:40,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:22:40,419 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2024-11-09 06:22:40,419 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) [2024-11-09 06:22:40,420 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2024-11-09 06:22:40,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 06:22:40,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:22:40,420 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:22:40,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:22:40,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:22:40,622 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)] === [2024-11-09 06:22:40,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:22:40,622 INFO L85 PathProgramCache]: Analyzing trace with hash -318353873, now seen corresponding path program 1 times [2024-11-09 06:22:40,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:22:40,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358909389] [2024-11-09 06:22:40,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:22:40,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:22:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:22:40,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:22:40,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:22:40,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358909389] [2024-11-09 06:22:40,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358909389] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:22:40,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379887313] [2024-11-09 06:22:40,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:22:40,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:22:40,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:22:40,802 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:22:40,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:22:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:22:40,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-09 06:22:40,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:22:41,043 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 13 treesize of output 9 [2024-11-09 06:22:41,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:22:41,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:22:41,140 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 [2024-11-09 06:22:41,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 06:22:41,253 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:22:41,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379887313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:22:41,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:22:41,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 13 [2024-11-09 06:22:41,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377216492] [2024-11-09 06:22:41,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:22:41,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 06:22:41,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:22:41,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 06:22:41,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:22:41,256 INFO L87 Difference]: Start difference. First operand 28 states and 29 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) [2024-11-09 06:22:41,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:22:41,450 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2024-11-09 06:22:41,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 06:22:41,451 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 [2024-11-09 06:22:41,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:22:41,451 INFO L225 Difference]: With dead ends: 29 [2024-11-09 06:22:41,451 INFO L226 Difference]: Without dead ends: 28 [2024-11-09 06:22:41,452 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 [2024-11-09 06:22:41,452 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 9 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:22:41,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 76 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 06:22:41,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-09 06:22:41,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2024-11-09 06:22:41,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 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) [2024-11-09 06:22:41,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2024-11-09 06:22:41,461 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 19 [2024-11-09 06:22:41,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:22:41,461 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2024-11-09 06:22:41,461 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) [2024-11-09 06:22:41,461 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2024-11-09 06:22:41,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 06:22:41,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:22:41,462 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] [2024-11-09 06:22:41,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 06:22:41,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:22:41,663 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)] === [2024-11-09 06:22:41,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:22:41,664 INFO L85 PathProgramCache]: Analyzing trace with hash -438721414, now seen corresponding path program 1 times [2024-11-09 06:22:41,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:22:41,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107176880] [2024-11-09 06:22:41,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:22:41,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:22:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:22:41,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 06:22:41,929 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:22:41,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107176880] [2024-11-09 06:22:41,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107176880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:22:41,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:22:41,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:22:41,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618925429] [2024-11-09 06:22:41,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:22:41,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:22:41,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:22:41,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:22:41,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:22:41,932 INFO L87 Difference]: Start difference. First operand 27 states and 28 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) [2024-11-09 06:22:41,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:22:41,985 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2024-11-09 06:22:41,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:22:41,986 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 [2024-11-09 06:22:41,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:22:41,987 INFO L225 Difference]: With dead ends: 35 [2024-11-09 06:22:41,987 INFO L226 Difference]: Without dead ends: 27 [2024-11-09 06:22:41,988 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 [2024-11-09 06:22:41,989 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 3 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:22:41,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 57 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:22:41,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-09 06:22:41,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-09 06:22:41,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 20 states have (on average 1.1) internal successors, (22), 21 states have internal predecessors, (22), 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) [2024-11-09 06:22:41,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2024-11-09 06:22:41,995 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 22 [2024-11-09 06:22:41,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:22:41,995 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2024-11-09 06:22:41,996 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) [2024-11-09 06:22:41,996 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2024-11-09 06:22:41,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 06:22:41,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:22:41,997 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] [2024-11-09 06:22:41,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:22:41,997 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)] === [2024-11-09 06:22:41,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:22:41,998 INFO L85 PathProgramCache]: Analyzing trace with hash 733433503, now seen corresponding path program 1 times [2024-11-09 06:22:41,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:22:41,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132165911] [2024-11-09 06:22:41,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:22:41,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:22:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:22:42,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:22:42,202 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:22:42,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132165911] [2024-11-09 06:22:42,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132165911] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:22:42,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100825835] [2024-11-09 06:22:42,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:22:42,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:22:42,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:22:42,205 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:22:42,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 06:22:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:22:42,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 119 conjuncts are in the unsatisfiable core [2024-11-09 06:22:42,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:22:42,519 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 [2024-11-09 06:22:42,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:22:42,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:22:42,612 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 [2024-11-09 06:22:42,844 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 [2024-11-09 06:22:42,990 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 [2024-11-09 06:22:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:22:43,023 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:23:01,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100825835] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:23:01,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [766373661] [2024-11-09 06:23:01,248 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2024-11-09 06:23:01,249 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:23:01,253 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:23:01,259 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:23:01,260 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:23:02,211 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_kobject_put with input of size 60 for LOIs [2024-11-09 06:23:02,308 INFO L197 IcfgInterpreter]: Interpreting procedure LDV_INIT_LIST_HEAD with input of size 58 for LOIs [2024-11-09 06:23:02,322 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 38 for LOIs [2024-11-09 06:23:02,361 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:23:16,352 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1063#(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|) (= |#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|) (exists ((|v_#memory_$Pointer$.offset_57| (Array Int (Array Int Int)))) (= |old(#memory_$Pointer$.offset)| (store |v_#memory_$Pointer$.offset_57| |ldv_kobject_put_#in~kobj#1.base| (store (select |v_#memory_$Pointer$.offset_57| |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)))))) (exists ((|v_#memory_int_76| (Array Int (Array Int Int)))) (and (<= 0 (+ 2147483649 (select (select |v_#memory_int_76| |ldv_kobject_put_#in~kobj#1.base|) (+ |ldv_kobject_put_#in~kobj#1.offset| 12)))) (= |old(#memory_int)| (store |v_#memory_int_76| |ldv_kobject_put_#in~kobj#1.base| (store (select |v_#memory_int_76| |ldv_kobject_put_#in~kobj#1.base|) (+ |ldv_kobject_put_#in~kobj#1.offset| 12) (+ (select (select |v_#memory_int_76| |ldv_kobject_put_#in~kobj#1.base|) (+ |ldv_kobject_put_#in~kobj#1.offset| 12)) 1)))))) (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_$Pointer$.base_57| (Array Int (Array Int Int)))) (= (store |v_#memory_$Pointer$.base_57| |ldv_kobject_put_#in~kobj#1.base| (store (select |v_#memory_$Pointer$.base_57| |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 [2024-11-09 06:23:16,352 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 06:23:16,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 06:23:16,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 18] total 21 [2024-11-09 06:23:16,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561355956] [2024-11-09 06:23:16,353 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 06:23:16,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-09 06:23:16,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:23:16,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-09 06:23:16,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=2367, Unknown=12, NotChecked=0, Total=2550 [2024-11-09 06:23:16,356 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 21 states, 18 states have (on average 2.0555555555555554) internal successors, (37), 18 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) [2024-11-09 06:23:18,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:23:18,659 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2024-11-09 06:23:18,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 06:23:18,660 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 2.0555555555555554) internal successors, (37), 18 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 [2024-11-09 06:23:18,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:23:18,661 INFO L225 Difference]: With dead ends: 46 [2024-11-09 06:23:18,661 INFO L226 Difference]: Without dead ends: 27 [2024-11-09 06:23:18,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 816 ImplicationChecksByTransitivity, 33.2s TimeCoverageRelationStatistics Valid=218, Invalid=3076, Unknown=12, NotChecked=0, Total=3306 [2024-11-09 06:23:18,664 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 14 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:23:18,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 44 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 06:23:18,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-09 06:23:18,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-09 06:23:18,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 21 states have internal predecessors, (22), 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) [2024-11-09 06:23:18,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2024-11-09 06:23:18,678 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 24 [2024-11-09 06:23:18,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:23:18,678 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2024-11-09 06:23:18,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 2.0555555555555554) internal successors, (37), 18 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) [2024-11-09 06:23:18,679 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2024-11-09 06:23:18,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 06:23:18,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:23:18,680 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] [2024-11-09 06:23:18,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 06:23:18,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:23:18,881 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)] === [2024-11-09 06:23:18,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:23:18,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1516514272, now seen corresponding path program 1 times [2024-11-09 06:23:18,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:23:18,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554963458] [2024-11-09 06:23:18,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:23:18,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:23:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:19,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:23:19,286 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:23:19,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554963458] [2024-11-09 06:23:19,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554963458] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:23:19,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485050209] [2024-11-09 06:23:19,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:23:19,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:23:19,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:23:19,289 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:23:19,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 06:23:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:19,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 124 conjuncts are in the unsatisfiable core [2024-11-09 06:23:19,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:23:20,022 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 [2024-11-09 06:23:20,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:23:20,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:23:20,370 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 [2024-11-09 06:23:21,069 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 [2024-11-09 06:23:21,532 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 [2024-11-09 06:23:21,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:23:21,688 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:23:31,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485050209] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:23:31,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1385693255] [2024-11-09 06:23:31,837 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2024-11-09 06:23:31,837 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:23:31,838 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:23:31,838 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:23:31,838 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:23:32,463 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_kobject_put with input of size 60 for LOIs [2024-11-09 06:23:32,573 INFO L197 IcfgInterpreter]: Interpreting procedure LDV_INIT_LIST_HEAD with input of size 58 for LOIs [2024-11-09 06:23:32,584 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 38 for LOIs [2024-11-09 06:23:32,612 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:23:48,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1385693255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:23:48,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 06:23:48,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [5, 19] total 44 [2024-11-09 06:23:48,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107896662] [2024-11-09 06:23:48,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:23:48,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 06:23:48,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:23:48,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 06:23:48,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=2552, Unknown=10, NotChecked=0, Total=2756 [2024-11-09 06:23:48,685 INFO L87 Difference]: Start difference. First operand 27 states and 27 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) [2024-11-09 06:23:50,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:23:55,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:23:56,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:23:58,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:23:59,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:23:59,578 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2024-11-09 06:23:59,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 06:23:59,579 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 [2024-11-09 06:23:59,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:23:59,580 INFO L225 Difference]: With dead ends: 27 [2024-11-09 06:23:59,580 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 06:23:59,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 831 ImplicationChecksByTransitivity, 30.3s TimeCoverageRelationStatistics Valid=213, Invalid=2856, Unknown=11, NotChecked=0, Total=3080 [2024-11-09 06:23:59,582 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 3 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:23:59,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 40 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 339 Invalid, 5 Unknown, 0 Unchecked, 8.2s Time] [2024-11-09 06:23:59,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 06:23:59,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 06:23:59,584 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) [2024-11-09 06:23:59,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 06:23:59,585 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2024-11-09 06:23:59,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:23:59,585 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 06:23:59,585 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) [2024-11-09 06:23:59,586 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 06:23:59,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 06:23:59,589 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-09 06:23:59,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-09 06:23:59,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-09 06:23:59,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-09 06:23:59,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 06:23:59,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-09 06:23:59,798 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:23:59,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 06:24:05,787 WARN L286 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 105 DAG size of output: 50 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-09 06:24:14,447 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:24:14,466 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))) [2024-11-09 06:24:14,488 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 06:24:14,489 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 06:24:14,492 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:14,492 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-09 06:24:14,493 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-09 06:24:14,493 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 06:24:14,493 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset [2024-11-09 06:24:14,493 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-09 06:24:14,494 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-09 06:24:14,494 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 06:24:14,494 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 06:24:14,495 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 06:24:14,495 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 06:24:14,495 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 06:24:14,495 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 06:24:14,496 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base [2024-11-09 06:24:14,496 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 06:24:14,496 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 06:24:14,496 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 06:24:14,496 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 06:24:14,496 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 06:24:14,497 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 06:24:14,497 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:14,497 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 06:24:14,497 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#length,GLOBAL]] [2024-11-09 06:24:14,498 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-09 06:24:14,498 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-09 06:24:14,498 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 06:24:14,498 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 06:24:14,499 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#valid,GLOBAL]] [2024-11-09 06:24:14,499 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 06:24:14,499 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#valid,GLOBAL]] [2024-11-09 06:24:14,499 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset [2024-11-09 06:24:14,500 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-09 06:24:14,500 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-09 06:24:14,500 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 06:24:14,500 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 06:24:14,501 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 06:24:14,501 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 06:24:14,501 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base [2024-11-09 06:24:14,501 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!offset [2024-11-09 06:24:14,501 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 06:24:14,502 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 06:24:14,502 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 06:24:14,504 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-09 06:24:14,505 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-09 06:24:14,505 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-09 06:24:14,510 WARN L162 FloydHoareUtils]: Requires clause for LDV_INIT_LIST_HEAD contained old-variable. Original clause: (and (<= 1 |#StackHeapBarrier|) (exists ((|v_#memory_int_94| (Array Int (Array Int Int)))) (= |old(#memory_int)| (store |v_#memory_int_94| |LDV_INIT_LIST_HEAD_#in~list.base| (store (select |v_#memory_int_94| |LDV_INIT_LIST_HEAD_#in~list.base|) (+ |LDV_INIT_LIST_HEAD_#in~list.offset| 8) 1)))) (= |~#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|) (= |~#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))) (exists ((|v_#memory_int_94| (Array Int (Array Int Int)))) (= |#memory_int| (store |v_#memory_int_94| |LDV_INIT_LIST_HEAD_#in~list.base| (store (select |v_#memory_int_94| |LDV_INIT_LIST_HEAD_#in~list.base|) (+ |LDV_INIT_LIST_HEAD_#in~list.offset| 8) 1)))) (= |~#ldv_global_msg_list~0.base| 1)) [2024-11-09 06:24:14,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:14,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset [2024-11-09 06:24:14,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~list!base [2024-11-09 06:24:14,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~list!offset [2024-11-09 06:24:14,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 06:24:14,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base [2024-11-09 06:24:14,516 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-09 06:24:14,516 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-11-09 06:24:14,516 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:14,516 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 06:24:14,517 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset [2024-11-09 06:24:14,517 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-11-09 06:24:14,517 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 06:24:14,517 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~list!base [2024-11-09 06:24:14,517 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~list!offset [2024-11-09 06:24:14,517 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-11-09 06:24:14,518 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 06:24:14,518 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base [2024-11-09 06:24:14,518 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-09 06:24:14,518 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-09 06:24:14,519 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-09 06:24:14,519 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable ldv_global_msg_list by function LDV_INIT_LIST_HEAD [2024-11-09 06:24:14,527 WARN L162 FloydHoareUtils]: Requires clause for ldv_kobject_put contained old-variable. Original clause: (let ((.cse4 (= |ldv_kobject_put_#in~kobj#1.offset| 0))) (let ((.cse0 (and .cse4 (= |ldv_kobject_put_#in~kobj#1.base| 0)))) (and (or .cse0 (and (<= 1 |#StackHeapBarrier|) (exists ((|v_#memory_int_96| (Array Int (Array Int Int)))) (let ((.cse2 (select |v_#memory_int_96| |ldv_kobject_put_#in~kobj#1.base|)) (.cse3 (+ |ldv_kobject_put_#in~kobj#1.offset| 12))) (let ((.cse1 (select .cse2 .cse3))) (and (<= .cse1 2147483646) (= (store |v_#memory_int_96| |ldv_kobject_put_#in~kobj#1.base| (store .cse2 .cse3 (+ 1 .cse1))) |old(#memory_int)|) (<= 0 (+ 2147483649 .cse1)))))) (= |~#ldv_global_msg_list~0.offset| 0) (<= 2 (select (select |old(#memory_int)| |ldv_kobject_put_#in~kobj#1.base|) 12)) .cse4 (= |~#ldv_global_msg_list~0.base| 1))) (or .cse0 (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))))) 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 ((.cse1 (= |ldv_kobject_put_#in~kobj#1.offset| 0))) (let ((.cse0 (and .cse1 (= |ldv_kobject_put_#in~kobj#1.base| 0)))) (and (or .cse0 (and (<= 1 |#StackHeapBarrier|) (= |~#ldv_global_msg_list~0.offset| 0) (<= 2 (select (select |old(#memory_int)| |ldv_kobject_put_#in~kobj#1.base|) 12)) .cse1 (exists ((|v_#memory_int_96| (Array Int (Array Int Int)))) (let ((.cse3 (select |v_#memory_int_96| |ldv_kobject_put_#in~kobj#1.base|))) (let ((.cse2 (select .cse3 12))) (and (<= .cse2 2147483646) (<= 0 (+ 2147483649 .cse2)) (= (store |v_#memory_int_96| |ldv_kobject_put_#in~kobj#1.base| (store .cse3 12 (+ .cse2 1))) |old(#memory_int)|))))) (= |~#ldv_global_msg_list~0.base| 1))) (or .cse0 (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))))))) [2024-11-09 06:24:14,534 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 06:24:14,534 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~kobj!offset [2024-11-09 06:24:14,534 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~kobj!base [2024-11-09 06:24:14,534 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:14,535 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset [2024-11-09 06:24:14,535 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 06:24:14,535 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int,GLOBAL]] [2024-11-09 06:24:14,535 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int,GLOBAL]],[IdentifierExpression[#in~kobj!base,]]] [2024-11-09 06:24:14,535 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~kobj!offset [2024-11-09 06:24:14,536 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 06:24:14,536 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base [2024-11-09 06:24:14,536 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-09 06:24:14,536 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-09 06:24:14,536 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-09 06:24:14,537 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable ldv_global_msg_list by function ldv_kobject_put [2024-11-09 06:24:14,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:24:14 BoogieIcfgContainer [2024-11-09 06:24:14,537 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:24:14,538 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:24:14,538 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:24:14,538 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:24:14,539 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:22:37" (3/4) ... [2024-11-09 06:24:14,544 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 06:24:14,555 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-09 06:24:14,556 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2024-11-09 06:24:14,556 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2024-11-09 06:24:14,566 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2024-11-09 06:24:14,567 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-09 06:24:14,568 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 06:24:14,568 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 06:24:14,689 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 06:24:14,689 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 06:24:14,690 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:24:14,690 INFO L158 Benchmark]: Toolchain (without parser) took 99252.71ms. Allocated memory was 151.0MB in the beginning and 247.5MB in the end (delta: 96.5MB). Free memory was 111.7MB in the beginning and 98.1MB in the end (delta: 13.7MB). Peak memory consumption was 112.0MB. Max. memory is 16.1GB. [2024-11-09 06:24:14,691 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 151.0MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:24:14,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 779.08ms. Allocated memory is still 151.0MB. Free memory was 111.7MB in the beginning and 87.0MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 06:24:14,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.99ms. Allocated memory is still 151.0MB. Free memory was 87.0MB in the beginning and 84.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:24:14,692 INFO L158 Benchmark]: Boogie Preprocessor took 41.68ms. Allocated memory is still 151.0MB. Free memory was 84.5MB in the beginning and 82.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:24:14,692 INFO L158 Benchmark]: RCFGBuilder took 699.05ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 82.3MB in the beginning and 163.7MB in the end (delta: -81.4MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2024-11-09 06:24:14,693 INFO L158 Benchmark]: TraceAbstraction took 97511.60ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 162.8MB in the beginning and 105.4MB in the end (delta: 57.4MB). Peak memory consumption was 100.4MB. Max. memory is 16.1GB. [2024-11-09 06:24:14,693 INFO L158 Benchmark]: Witness Printer took 151.68ms. Allocated memory is still 247.5MB. Free memory was 104.3MB in the beginning and 98.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 06:24:14,696 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 151.0MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 779.08ms. Allocated memory is still 151.0MB. Free memory was 111.7MB in the beginning and 87.0MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.99ms. Allocated memory is still 151.0MB. Free memory was 87.0MB in the beginning and 84.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.68ms. Allocated memory is still 151.0MB. Free memory was 84.5MB in the beginning and 82.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 699.05ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 82.3MB in the beginning and 163.7MB in the end (delta: -81.4MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * TraceAbstraction took 97511.60ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 162.8MB in the beginning and 105.4MB in the end (delta: 57.4MB). Peak memory consumption was 100.4MB. Max. memory is 16.1GB. * Witness Printer took 151.68ms. Allocated memory is still 247.5MB. Free memory was 104.3MB in the beginning and 98.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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$.base,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~list!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~list!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#ldv_global_msg_list~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~list!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~list!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$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: 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: Expression type not yet supported in backtranslation: QuantifierExpression - 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, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 82.7s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 10.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 682 SdHoareTripleChecker+Invalid, 9.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 522 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1216 IncrementalHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 160 mSDtfsCounter, 1216 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 219 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1694 ImplicationChecksByTransitivity, 64.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 95, 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, 10 MinimizatonAttempts, 4 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 34.2s InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 247 ConstructedInterpolants, 0 QuantifiedInterpolants, 1157 SizeOfPredicates, 50 NumberOfNonLiveVariables, 899 ConjunctsInSsa, 377 ConjunctsInUnsatCore, 14 InterpolantComputations, 8 PerfectInterpolantSequences, 3/13 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: 0.8s, 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: 0.5s, 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: 0.2s, 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! [2024-11-09 06:24:14,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ea5725-ef44-4996-ac64-aa23914d5f50/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE