./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/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_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5247496942546516118f3c28fa350944e097bdf15ee64734ca287a29ad51a034 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:17:36,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:17:36,966 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:17:36,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:17:36,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:17:37,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:17:37,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:17:37,037 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:17:37,038 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:17:37,040 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:17:37,041 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:17:37,041 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:17:37,042 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:17:37,042 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:17:37,043 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:17:37,043 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:17:37,047 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:17:37,048 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:17:37,048 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:17:37,049 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:17:37,049 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:17:37,050 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:17:37,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:17:37,054 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:17:37,055 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:17:37,055 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:17:37,056 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:17:37,056 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:17:37,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:17:37,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:17:37,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:17:37,058 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:17:37,061 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:17:37,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:17:37,062 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:17:37,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:17:37,063 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:17:37,064 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:17:37,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:17:37,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:17:37,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:17:37,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:17:37,066 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:17:37,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:17:37,066 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:17:37,067 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:17:37,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:17:37,068 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_c7ece233-cf7a-4889-b81c-99b06afd1882/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5247496942546516118f3c28fa350944e097bdf15ee64734ca287a29ad51a034 [2024-11-09 07:17:37,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:17:37,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:17:37,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:17:37,425 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:17:37,426 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:17:37,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i Unable to find full path for "g++" [2024-11-09 07:17:39,909 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:17:40,190 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:17:40,191 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2024-11-09 07:17:40,213 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/data/1e7538d1e/37607729732d41059cbf6eb01a994669/FLAG558d27472 [2024-11-09 07:17:40,495 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/data/1e7538d1e/37607729732d41059cbf6eb01a994669 [2024-11-09 07:17:40,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:17:40,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:17:40,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:17:40,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:17:40,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:17:40,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:17:40" (1/1) ... [2024-11-09 07:17:40,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c14ca92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:17:40, skipping insertion in model container [2024-11-09 07:17:40,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:17:40" (1/1) ... [2024-11-09 07:17:40,592 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:17:41,087 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i[24556,24569] [2024-11-09 07:17:41,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:17:41,104 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:17:41,173 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i[24556,24569] [2024-11-09 07:17:41,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:17:41,215 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:17:41,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:17:41 WrapperNode [2024-11-09 07:17:41,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:17:41,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:17:41,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:17:41,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:17:41,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:17:41" (1/1) ... [2024-11-09 07:17:41,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:17:41" (1/1) ... [2024-11-09 07:17:41,274 INFO L138 Inliner]: procedures = 126, calls = 29, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 130 [2024-11-09 07:17:41,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:17:41,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:17:41,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:17:41,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:17:41,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:17:41" (1/1) ... [2024-11-09 07:17:41,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:17:41" (1/1) ... [2024-11-09 07:17:41,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:17:41" (1/1) ... [2024-11-09 07:17:41,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:17:41" (1/1) ... [2024-11-09 07:17:41,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:17:41" (1/1) ... [2024-11-09 07:17:41,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:17:41" (1/1) ... [2024-11-09 07:17:41,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:17:41" (1/1) ... [2024-11-09 07:17:41,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:17:41" (1/1) ... [2024-11-09 07:17:41,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:17:41,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:17:41,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:17:41,316 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:17:41,317 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:17:41" (1/1) ... [2024-11-09 07:17:41,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:17:41,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:17:41,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:17:41,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:17:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:17:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:17:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2024-11-09 07:17:41,407 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2024-11-09 07:17:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 07:17:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:17:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 07:17:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 07:17:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:17:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:17:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:17:41,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:17:41,560 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:17:41,562 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:17:41,852 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-09 07:17:41,852 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:17:41,943 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:17:41,944 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:17:41,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:17:41 BoogieIcfgContainer [2024-11-09 07:17:41,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:17:41,948 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:17:41,948 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:17:41,955 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:17:41,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:17:40" (1/3) ... [2024-11-09 07:17:41,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67013731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:17:41, skipping insertion in model container [2024-11-09 07:17:41,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:17:41" (2/3) ... [2024-11-09 07:17:41,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67013731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:17:41, skipping insertion in model container [2024-11-09 07:17:41,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:17:41" (3/3) ... [2024-11-09 07:17:41,961 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2c_update_all_reverse.i [2024-11-09 07:17:41,989 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:17:41,989 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:17:42,058 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:17:42,067 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;@3dd01041, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:17:42,067 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:17:42,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 29 states have (on average 1.5517241379310345) internal successors, (45), 30 states have internal predecessors, (45), 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 07:17:42,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 07:17:42,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:17:42,084 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:17:42,085 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:17:42,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:17:42,090 INFO L85 PathProgramCache]: Analyzing trace with hash -196542597, now seen corresponding path program 1 times [2024-11-09 07:17:42,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:17:42,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139486801] [2024-11-09 07:17:42,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:17:42,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:17:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:17:42,613 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 07:17:42,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:17:42,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139486801] [2024-11-09 07:17:42,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139486801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:17:42,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:17:42,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:17:42,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322376718] [2024-11-09 07:17:42,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:17:42,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:17:42,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:17:42,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:17:42,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:17:42,699 INFO L87 Difference]: Start difference. First operand has 34 states, 29 states have (on average 1.5517241379310345) internal successors, (45), 30 states have internal predecessors, (45), 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) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 07:17:42,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:17:42,806 INFO L93 Difference]: Finished difference Result 61 states and 90 transitions. [2024-11-09 07:17:42,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:17:42,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 16 [2024-11-09 07:17:42,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:17:42,820 INFO L225 Difference]: With dead ends: 61 [2024-11-09 07:17:42,820 INFO L226 Difference]: Without dead ends: 29 [2024-11-09 07:17:42,824 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 07:17:42,832 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 2 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:17:42,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 74 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:17:42,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-09 07:17:42,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2024-11-09 07:17:42,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 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 07:17:42,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2024-11-09 07:17:42,892 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 16 [2024-11-09 07:17:42,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:17:42,893 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2024-11-09 07:17:42,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 07:17:42,894 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-09 07:17:42,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 07:17:42,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:17:42,898 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:17:42,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:17:42,899 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:17:42,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:17:42,901 INFO L85 PathProgramCache]: Analyzing trace with hash -2008546064, now seen corresponding path program 1 times [2024-11-09 07:17:42,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:17:42,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654815542] [2024-11-09 07:17:42,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:17:42,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:17:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:17:43,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 07:17:43,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:17:43,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654815542] [2024-11-09 07:17:43,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654815542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:17:43,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:17:43,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:17:43,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574251091] [2024-11-09 07:17:43,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:17:43,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:17:43,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:17:43,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:17:43,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:17:43,298 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 07:17:43,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:17:43,401 INFO L93 Difference]: Finished difference Result 49 states and 66 transitions. [2024-11-09 07:17:43,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:17:43,402 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-09 07:17:43,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:17:43,403 INFO L225 Difference]: With dead ends: 49 [2024-11-09 07:17:43,404 INFO L226 Difference]: Without dead ends: 40 [2024-11-09 07:17:43,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:17:43,406 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 54 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:17:43,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 45 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:17:43,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-09 07:17:43,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 29. [2024-11-09 07:17:43,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 25 states have (on average 1.36) internal successors, (34), 25 states have internal predecessors, (34), 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 07:17:43,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2024-11-09 07:17:43,417 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 38 transitions. Word has length 23 [2024-11-09 07:17:43,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:17:43,418 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 38 transitions. [2024-11-09 07:17:43,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 07:17:43,418 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-11-09 07:17:43,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 07:17:43,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:17:43,420 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:17:43,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:17:43,421 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:17:43,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:17:43,422 INFO L85 PathProgramCache]: Analyzing trace with hash -7535732, now seen corresponding path program 1 times [2024-11-09 07:17:43,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:17:43,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111523286] [2024-11-09 07:17:43,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:17:43,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:17:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:17:43,668 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 07:17:43,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:17:43,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111523286] [2024-11-09 07:17:43,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111523286] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:17:43,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606726832] [2024-11-09 07:17:43,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:17:43,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:17:43,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:17:43,673 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:17:43,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:17:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:17:43,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 07:17:43,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:17:44,073 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 07:17:44,073 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:17:44,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606726832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:17:44,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 07:17:44,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-09 07:17:44,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259006174] [2024-11-09 07:17:44,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:17:44,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 07:17:44,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:17:44,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 07:17:44,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 07:17:44,082 INFO L87 Difference]: Start difference. First operand 29 states and 38 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 07:17:44,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:17:44,266 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2024-11-09 07:17:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:17:44,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-11-09 07:17:44,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:17:44,268 INFO L225 Difference]: With dead ends: 55 [2024-11-09 07:17:44,270 INFO L226 Difference]: Without dead ends: 41 [2024-11-09 07:17:44,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-09 07:17:44,272 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 53 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:17:44,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 58 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:17:44,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-09 07:17:44,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 30. [2024-11-09 07:17:44,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 26 states have internal predecessors, (34), 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 07:17:44,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2024-11-09 07:17:44,290 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 27 [2024-11-09 07:17:44,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:17:44,290 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2024-11-09 07:17:44,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 07:17:44,291 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2024-11-09 07:17:44,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 07:17:44,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:17:44,292 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:17:44,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 07:17:44,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:17:44,496 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:17:44,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:17:44,497 INFO L85 PathProgramCache]: Analyzing trace with hash -201156623, now seen corresponding path program 1 times [2024-11-09 07:17:44,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:17:44,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338848199] [2024-11-09 07:17:44,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:17:44,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:17:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:17:44,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 07:17:44,712 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:17:44,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338848199] [2024-11-09 07:17:44,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338848199] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:17:44,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352163538] [2024-11-09 07:17:44,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:17:44,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:17:44,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:17:44,715 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:17:44,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 07:17:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:17:44,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:17:44,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:17:45,026 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 07:17:45,027 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:17:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 07:17:45,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352163538] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:17:45,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [798553838] [2024-11-09 07:17:45,189 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2024-11-09 07:17:45,189 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:17:45,194 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:17:45,203 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:17:45,203 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:17:47,598 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 6 for LOIs [2024-11-09 07:17:47,613 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:17:50,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [798553838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:17:50,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:17:50,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [5, 5, 5] total 24 [2024-11-09 07:17:50,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313705804] [2024-11-09 07:17:50,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:17:50,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 07:17:50,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:17:50,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 07:17:50,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2024-11-09 07:17:50,152 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand has 19 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 15 states have internal predecessors, (23), 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 07:17:52,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:17:52,442 INFO L93 Difference]: Finished difference Result 63 states and 82 transitions. [2024-11-09 07:17:52,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 07:17:52,443 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 15 states have internal predecessors, (23), 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 29 [2024-11-09 07:17:52,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:17:52,444 INFO L225 Difference]: With dead ends: 63 [2024-11-09 07:17:52,444 INFO L226 Difference]: Without dead ends: 45 [2024-11-09 07:17:52,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 65 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=174, Invalid=582, Unknown=0, NotChecked=0, Total=756 [2024-11-09 07:17:52,446 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 52 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 07:17:52,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 49 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 319 Invalid, 1 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 07:17:52,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-09 07:17:52,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 36. [2024-11-09 07:17:52,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 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 07:17:52,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 43 transitions. [2024-11-09 07:17:52,460 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 43 transitions. Word has length 29 [2024-11-09 07:17:52,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:17:52,460 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 43 transitions. [2024-11-09 07:17:52,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 15 states have internal predecessors, (23), 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 07:17:52,461 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2024-11-09 07:17:52,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 07:17:52,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:17:52,462 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:17:52,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 07:17:52,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:17:52,668 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:17:52,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:17:52,669 INFO L85 PathProgramCache]: Analyzing trace with hash -497366542, now seen corresponding path program 1 times [2024-11-09 07:17:52,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:17:52,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194686713] [2024-11-09 07:17:52,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:17:52,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:17:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:17:56,220 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:17:56,220 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:17:56,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194686713] [2024-11-09 07:17:56,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194686713] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:17:56,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155037637] [2024-11-09 07:17:56,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:17:56,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:17:56,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:17:56,225 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:17:56,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 07:17:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:17:56,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-11-09 07:17:56,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:17:56,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-09 07:17:56,865 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-09 07:17:56,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-09 07:17:56,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-11-09 07:17:56,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 07:17:56,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2024-11-09 07:17:57,115 INFO L349 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2024-11-09 07:17:57,117 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 87 treesize of output 48 [2024-11-09 07:17:57,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2024-11-09 07:17:57,615 INFO L349 Elim1Store]: treesize reduction 27, result has 15.6 percent of original size [2024-11-09 07:17:57,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 79 [2024-11-09 07:17:57,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-09 07:17:57,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2024-11-09 07:17:57,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-09 07:17:57,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 07:17:57,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 07:17:57,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 41 [2024-11-09 07:17:57,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-11-09 07:17:57,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 07:17:57,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2024-11-09 07:17:58,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2024-11-09 07:17:58,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-09 07:17:58,426 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 07:17:58,426 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:17:58,664 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_484 Int) (v_ArrVal_483 Int) (v_ArrVal_486 (Array Int Int))) (= (+ (let ((.cse0 (+ 8 |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_486) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse0 v_ArrVal_483)) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse0 v_ArrVal_484)) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) 8))) 1) (* |c_ULTIMATE.start_main_~len~0#1| 2))) is different from false [2024-11-09 07:17:58,707 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_24| Int) (v_ArrVal_486 (Array Int Int))) (or (= (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~s~0#1.base| v_ArrVal_486) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)) (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) 8)) 1) (* |c_ULTIMATE.start_main_~len~0#1| 2)) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_24| |c_ULTIMATE.start_main_~s~0#1.offset|))) is different from false [2024-11-09 07:17:58,717 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_486 (Array Int Int))) (= (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~s~0#1.base| v_ArrVal_486) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)) (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) 8)) 1) (* |c_ULTIMATE.start_main_~len~0#1| 2))) is different from false [2024-11-09 07:17:58,733 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 07:17:58,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 41 [2024-11-09 07:17:58,754 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 07:17:58,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 78 [2024-11-09 07:17:58,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 29 treesize of output 18 [2024-11-09 07:17:59,365 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (+ 4 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (.cse0 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (and (forall ((v_ArrVal_479 (Array Int Int)) (|ULTIMATE.start_dll_circular_create_~last~0#1.offset| Int) (v_ArrVal_475 (Array Int Int)) (v_ArrVal_478 (Array Int Int))) (= (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_478) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_475) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store .cse0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) v_ArrVal_479) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (select v_ArrVal_475 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.offset| Int) (v_ArrVal_481 (Array Int Int))) (not (= |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select (let ((.cse1 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store .cse0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)))) (let ((.cse2 (select .cse1 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (store (store .cse1 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| (store .cse2 .cse3 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (select .cse2 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) v_ArrVal_481))) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))) (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.offset| Int) (v_ArrVal_481 (Array Int Int))) (let ((.cse5 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store .cse0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)))) (let ((.cse6 (select .cse5 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (let ((.cse4 (select .cse6 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (= .cse4 (select (select (store (store .cse5 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| (store .cse6 .cse3 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|)) .cse4 v_ArrVal_481) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))))))) is different from false [2024-11-09 07:17:59,418 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 07:17:59,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 83 [2024-11-09 07:17:59,455 INFO L349 Elim1Store]: treesize reduction 10, result has 70.6 percent of original size [2024-11-09 07:17:59,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 86 [2024-11-09 07:17:59,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 4 [2024-11-09 07:17:59,691 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-09 07:17:59,691 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 2 case distinctions, treesize of input 434 treesize of output 418 [2024-11-09 07:17:59,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 390 treesize of output 388 [2024-11-09 07:17:59,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 388 treesize of output 386 [2024-11-09 07:17:59,733 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 419 treesize of output 417 [2024-11-09 07:17:59,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 5 [2024-11-09 07:17:59,918 INFO L349 Elim1Store]: treesize reduction 37, result has 50.7 percent of original size [2024-11-09 07:17:59,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 3414 treesize of output 3374 [2024-11-09 07:18:00,116 INFO L349 Elim1Store]: treesize reduction 27, result has 60.9 percent of original size [2024-11-09 07:18:00,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 699 treesize of output 731 [2024-11-09 07:18:00,400 INFO L349 Elim1Store]: treesize reduction 15, result has 67.4 percent of original size [2024-11-09 07:18:00,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 741 treesize of output 757 [2024-11-09 07:18:00,511 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 07:18:00,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 698 treesize of output 700 [2024-11-09 07:18:00,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 670 treesize of output 666 [2024-11-09 07:18:00,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 666 treesize of output 662 [2024-11-09 07:18:00,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 662 treesize of output 646 [2024-11-09 07:18:00,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 658 treesize of output 650 [2024-11-09 07:18:00,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 654 treesize of output 644 [2024-11-09 07:18:00,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 648 treesize of output 638 [2024-11-09 07:18:00,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 642 treesize of output 634 [2024-11-09 07:18:00,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 658 treesize of output 640 [2024-11-09 07:18:01,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 664 treesize of output 648 [2024-11-09 07:18:01,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 640 treesize of output 638 [2024-11-09 07:18:01,540 INFO L349 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2024-11-09 07:18:01,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 14 treesize of output 22 [2024-11-09 07:18:01,577 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 07:18:01,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 80 [2024-11-09 07:18:02,200 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 7 not checked. [2024-11-09 07:18:02,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155037637] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:18:02,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1455310813] [2024-11-09 07:18:02,204 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2024-11-09 07:18:02,205 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:18:02,205 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:18:02,206 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:18:02,206 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:18:03,734 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 6 for LOIs [2024-11-09 07:18:03,746 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:18:08,546 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1075#(and (<= 1 |#StackHeapBarrier|) (<= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 0) 8)) 2147483647) (not (= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 0) 8)))) (= |ULTIMATE.start_main_~i~0#1| 1) (= |ULTIMATE.start_main_~len~0#1| 2) (<= 0 (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 0) 8)) 2147483648)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))' at error location [2024-11-09 07:18:08,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 07:18:08,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:18:08,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 22] total 56 [2024-11-09 07:18:08,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762240825] [2024-11-09 07:18:08,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 07:18:08,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-11-09 07:18:08,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:18:08,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-11-09 07:18:08,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=296, Invalid=4972, Unknown=4, NotChecked=580, Total=5852 [2024-11-09 07:18:08,553 INFO L87 Difference]: Start difference. First operand 36 states and 43 transitions. Second operand has 56 states, 49 states have (on average 1.7755102040816326) internal successors, (87), 48 states have internal predecessors, (87), 6 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 07:18:11,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:18:11,412 INFO L93 Difference]: Finished difference Result 87 states and 108 transitions. [2024-11-09 07:18:11,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 07:18:11,413 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 49 states have (on average 1.7755102040816326) internal successors, (87), 48 states have internal predecessors, (87), 6 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 35 [2024-11-09 07:18:11,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:18:11,416 INFO L225 Difference]: With dead ends: 87 [2024-11-09 07:18:11,416 INFO L226 Difference]: Without dead ends: 85 [2024-11-09 07:18:11,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 49 SyntacticMatches, 5 SemanticMatches, 88 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 2016 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=430, Invalid=6892, Unknown=4, NotChecked=684, Total=8010 [2024-11-09 07:18:11,420 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 224 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 356 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:18:11,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 589 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 831 Invalid, 0 Unknown, 356 Unchecked, 1.1s Time] [2024-11-09 07:18:11,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-09 07:18:11,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 61. [2024-11-09 07:18:11,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 56 states have internal predecessors, (69), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 07:18:11,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions. [2024-11-09 07:18:11,454 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 75 transitions. Word has length 35 [2024-11-09 07:18:11,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:18:11,455 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 75 transitions. [2024-11-09 07:18:11,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 49 states have (on average 1.7755102040816326) internal successors, (87), 48 states have internal predecessors, (87), 6 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 07:18:11,455 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2024-11-09 07:18:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 07:18:11,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:18:11,457 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:18:11,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 07:18:11,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:18:11,658 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:18:11,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:18:11,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1482030953, now seen corresponding path program 2 times [2024-11-09 07:18:11,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:18:11,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317105443] [2024-11-09 07:18:11,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:18:11,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:18:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:18:11,854 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 07:18:11,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:18:11,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317105443] [2024-11-09 07:18:11,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317105443] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:18:11,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152163538] [2024-11-09 07:18:11,855 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 07:18:11,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:18:11,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:18:11,858 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:18:11,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 07:18:12,405 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-09 07:18:12,405 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 07:18:12,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 07:18:12,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:18:12,463 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 07:18:12,463 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:18:12,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152163538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:18:12,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 07:18:12,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 7 [2024-11-09 07:18:12,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940200554] [2024-11-09 07:18:12,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:18:12,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:18:12,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:18:12,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:18:12,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 07:18:12,470 INFO L87 Difference]: Start difference. First operand 61 states and 75 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 07:18:12,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:18:12,567 INFO L93 Difference]: Finished difference Result 72 states and 89 transitions. [2024-11-09 07:18:12,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:18:12,568 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37 [2024-11-09 07:18:12,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:18:12,572 INFO L225 Difference]: With dead ends: 72 [2024-11-09 07:18:12,572 INFO L226 Difference]: Without dead ends: 61 [2024-11-09 07:18:12,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-09 07:18:12,573 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 26 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:18:12,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 40 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:18:12,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-09 07:18:12,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-09 07:18:12,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 56 states have internal predecessors, (67), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 07:18:12,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 73 transitions. [2024-11-09 07:18:12,590 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 73 transitions. Word has length 37 [2024-11-09 07:18:12,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:18:12,590 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 73 transitions. [2024-11-09 07:18:12,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 07:18:12,591 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2024-11-09 07:18:12,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 07:18:12,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:18:12,592 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:18:12,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 07:18:12,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:18:12,797 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:18:12,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:18:12,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1594087081, now seen corresponding path program 3 times [2024-11-09 07:18:12,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:18:12,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321646962] [2024-11-09 07:18:12,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:18:12,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:18:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:18:12,957 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 07:18:12,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:18:12,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321646962] [2024-11-09 07:18:12,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321646962] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:18:12,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238743233] [2024-11-09 07:18:12,958 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 07:18:12,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:18:12,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:18:12,961 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:18:12,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 07:18:13,182 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 07:18:13,183 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 07:18:13,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 07:18:13,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:18:13,268 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 07:18:13,269 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:18:13,377 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 07:18:13,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238743233] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:18:13,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [364532161] [2024-11-09 07:18:13,382 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2024-11-09 07:18:13,383 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:18:13,383 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:18:13,384 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:18:13,384 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:18:23,294 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 6 for LOIs [2024-11-09 07:18:23,305 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:18:25,636 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1875#(and (<= 1 |#StackHeapBarrier|) (<= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 0) 8)) 2147483647) (not (= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 0) 8)))) (= |ULTIMATE.start_main_~i~0#1| 1) (= |ULTIMATE.start_main_~len~0#1| 2) (<= 0 (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 0) 8)) 2147483648)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))' at error location [2024-11-09 07:18:25,637 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 07:18:25,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:18:25,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 13 [2024-11-09 07:18:25,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136412904] [2024-11-09 07:18:25,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 07:18:25,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 07:18:25,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:18:25,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 07:18:25,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=954, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 07:18:25,639 INFO L87 Difference]: Start difference. First operand 61 states and 73 transitions. Second operand has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 07:18:25,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:18:25,986 INFO L93 Difference]: Finished difference Result 97 states and 117 transitions. [2024-11-09 07:18:25,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 07:18:25,986 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 37 [2024-11-09 07:18:25,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:18:25,988 INFO L225 Difference]: With dead ends: 97 [2024-11-09 07:18:25,988 INFO L226 Difference]: Without dead ends: 75 [2024-11-09 07:18:25,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 83 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=284, Invalid=1608, Unknown=0, NotChecked=0, Total=1892 [2024-11-09 07:18:25,990 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 54 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:18:25,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 88 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:18:25,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-09 07:18:26,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 69. [2024-11-09 07:18:26,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 64 states have (on average 1.171875) internal successors, (75), 64 states have internal predecessors, (75), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 07:18:26,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 81 transitions. [2024-11-09 07:18:26,013 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 81 transitions. Word has length 37 [2024-11-09 07:18:26,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:18:26,014 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 81 transitions. [2024-11-09 07:18:26,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 07:18:26,014 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2024-11-09 07:18:26,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 07:18:26,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:18:26,016 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:18:26,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 07:18:26,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:18:26,220 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:18:26,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:18:26,220 INFO L85 PathProgramCache]: Analyzing trace with hash 929917464, now seen corresponding path program 1 times [2024-11-09 07:18:26,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:18:26,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873288295] [2024-11-09 07:18:26,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:18:26,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:18:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:18:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 07:18:27,385 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:18:27,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873288295] [2024-11-09 07:18:27,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873288295] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:18:27,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683479708] [2024-11-09 07:18:27,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:18:27,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:18:27,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:18:27,388 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:18:27,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 07:18:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:18:27,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-09 07:18:27,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:18:27,754 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 17 treesize of output 13 [2024-11-09 07:18:28,030 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 30 treesize of output 12 [2024-11-09 07:18:28,080 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 07:18:28,080 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:18:28,257 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 38 treesize of output 32 [2024-11-09 07:18:28,307 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 07:18:28,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683479708] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:18:28,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [492054440] [2024-11-09 07:18:28,310 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2024-11-09 07:18:28,310 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:18:28,311 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:18:28,311 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:18:28,312 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:18:39,669 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 6 for LOIs [2024-11-09 07:18:39,679 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:18:52,450 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2419#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~len~0#1| 2) (<= |ULTIMATE.start_main_~i~0#1| 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0) (exists ((|v_ULTIMATE.start_dll_circular_get_data_at_~head#1.offset_35| Int) (|v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_35| Int)) (and (<= 0 (+ (select (select |#memory_int| |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_35|) (+ |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.offset_35| 8)) 2147483648)) (<= (select (select |#memory_int| |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_35|) (+ |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.offset_35| 8)) 2147483647))))' at error location [2024-11-09 07:18:52,451 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 07:18:52,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:18:52,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10, 10] total 27 [2024-11-09 07:18:52,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532329606] [2024-11-09 07:18:52,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 07:18:52,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 07:18:52,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:18:52,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 07:18:52,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=2190, Unknown=4, NotChecked=0, Total=2352 [2024-11-09 07:18:52,454 INFO L87 Difference]: Start difference. First operand 69 states and 81 transitions. Second operand has 27 states, 26 states have (on average 3.076923076923077) internal successors, (80), 26 states have internal predecessors, (80), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 07:18:56,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:18:56,508 INFO L93 Difference]: Finished difference Result 166 states and 200 transitions. [2024-11-09 07:18:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-09 07:18:56,509 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.076923076923077) internal successors, (80), 26 states have internal predecessors, (80), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2024-11-09 07:18:56,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:18:56,511 INFO L225 Difference]: With dead ends: 166 [2024-11-09 07:18:56,511 INFO L226 Difference]: Without dead ends: 164 [2024-11-09 07:18:56,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=285, Invalid=3493, Unknown=4, NotChecked=0, Total=3782 [2024-11-09 07:18:56,513 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 177 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-09 07:18:56,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 610 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-09 07:18:56,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-09 07:18:56,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 96. [2024-11-09 07:18:56,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 91 states have (on average 1.2087912087912087) internal successors, (110), 91 states have internal predecessors, (110), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 07:18:56,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 116 transitions. [2024-11-09 07:18:56,568 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 116 transitions. Word has length 40 [2024-11-09 07:18:56,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:18:56,569 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 116 transitions. [2024-11-09 07:18:56,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.076923076923077) internal successors, (80), 26 states have internal predecessors, (80), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 07:18:56,569 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 116 transitions. [2024-11-09 07:18:56,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 07:18:56,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:18:56,571 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:18:56,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 07:18:56,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:18:56,775 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:18:56,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:18:56,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1303125133, now seen corresponding path program 4 times [2024-11-09 07:18:56,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:18:56,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947720229] [2024-11-09 07:18:56,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:18:56,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:18:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:18:57,110 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 07:18:57,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:18:57,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947720229] [2024-11-09 07:18:57,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947720229] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:18:57,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741497268] [2024-11-09 07:18:57,111 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-09 07:18:57,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:18:57,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:18:57,114 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:18:57,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 07:18:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:18:57,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 07:18:57,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:18:57,665 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 07:18:57,665 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:18:57,944 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 07:18:57,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741497268] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:18:57,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2050258641] [2024-11-09 07:18:57,947 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2024-11-09 07:18:57,947 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:18:57,947 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:18:57,948 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:18:57,948 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:19:08,027 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 6 for LOIs [2024-11-09 07:19:08,048 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:19:13,062 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3083#(and (<= 1 |#StackHeapBarrier|) (<= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 0) 8)) 2147483647) (not (= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 0) 8)))) (= |ULTIMATE.start_main_~i~0#1| 1) (= |ULTIMATE.start_main_~len~0#1| 2) (<= 0 (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 0) 8)) 2147483648)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))' at error location [2024-11-09 07:19:13,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 07:19:13,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:19:13,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2024-11-09 07:19:13,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279751045] [2024-11-09 07:19:13,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 07:19:13,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 07:19:13,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:13,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 07:19:13,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=655, Unknown=0, NotChecked=0, Total=812 [2024-11-09 07:19:13,065 INFO L87 Difference]: Start difference. First operand 96 states and 116 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 07:19:13,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:13,499 INFO L93 Difference]: Finished difference Result 121 states and 145 transitions. [2024-11-09 07:19:13,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:19:13,500 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2024-11-09 07:19:13,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:13,501 INFO L225 Difference]: With dead ends: 121 [2024-11-09 07:19:13,501 INFO L226 Difference]: Without dead ends: 93 [2024-11-09 07:19:13,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 97 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=184, Invalid=808, Unknown=0, NotChecked=0, Total=992 [2024-11-09 07:19:13,502 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 83 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:13,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 87 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 07:19:13,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-09 07:19:13,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 86. [2024-11-09 07:19:13,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 81 states have (on average 1.1728395061728396) internal successors, (95), 81 states have internal predecessors, (95), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 07:19:13,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 101 transitions. [2024-11-09 07:19:13,533 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 101 transitions. Word has length 41 [2024-11-09 07:19:13,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:13,533 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 101 transitions. [2024-11-09 07:19:13,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 07:19:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2024-11-09 07:19:13,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 07:19:13,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:13,535 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:19:13,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 07:19:13,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:19:13,736 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:19:13,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:13,737 INFO L85 PathProgramCache]: Analyzing trace with hash -31285667, now seen corresponding path program 5 times [2024-11-09 07:19:13,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:13,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643848052] [2024-11-09 07:19:13,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:13,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:13,954 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 07:19:13,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:13,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643848052] [2024-11-09 07:19:13,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643848052] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:19:13,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680728537] [2024-11-09 07:19:13,955 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 07:19:13,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:19:13,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:19:13,958 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:19:13,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 07:19:14,257 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 07:19:14,257 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 07:19:14,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:19:14,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:19:14,338 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 07:19:14,338 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:19:14,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680728537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:14,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 07:19:14,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-09 07:19:14,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427186659] [2024-11-09 07:19:14,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:14,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:19:14,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:14,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:19:14,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:19:14,340 INFO L87 Difference]: Start difference. First operand 86 states and 101 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 07:19:14,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:14,448 INFO L93 Difference]: Finished difference Result 91 states and 104 transitions. [2024-11-09 07:19:14,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:19:14,449 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2024-11-09 07:19:14,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:14,450 INFO L225 Difference]: With dead ends: 91 [2024-11-09 07:19:14,450 INFO L226 Difference]: Without dead ends: 40 [2024-11-09 07:19:14,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:19:14,451 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:14,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:19:14,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-09 07:19:14,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-09 07:19:14,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 36 states have internal predecessors, (40), 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 07:19:14,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2024-11-09 07:19:14,472 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 42 [2024-11-09 07:19:14,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:14,472 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2024-11-09 07:19:14,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 07:19:14,473 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2024-11-09 07:19:14,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 07:19:14,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:14,474 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:19:14,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 07:19:14,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-09 07:19:14,675 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:19:14,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:14,675 INFO L85 PathProgramCache]: Analyzing trace with hash 43331389, now seen corresponding path program 2 times [2024-11-09 07:19:14,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:14,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651801239] [2024-11-09 07:19:14,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:14,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:15,026 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 07:19:15,026 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:15,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651801239] [2024-11-09 07:19:15,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651801239] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:19:15,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788493782] [2024-11-09 07:19:15,027 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 07:19:15,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:19:15,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:19:15,028 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:19:15,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 07:19:15,346 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 07:19:15,346 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 07:19:15,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 07:19:15,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:19:15,534 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-09 07:19:15,534 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:19:15,864 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-09 07:19:15,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788493782] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:19:15,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1321187415] [2024-11-09 07:19:15,867 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2024-11-09 07:19:15,868 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:19:15,868 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:19:15,868 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:19:15,869 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:19:17,419 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 6 for LOIs [2024-11-09 07:19:17,440 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:19:30,430 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3976#(and (<= 1 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_52| Int) (|v_ULTIMATE.start_dll_circular_get_data_at_~head#1.offset_52| Int)) (and (<= (select (select |#memory_int| |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_52|) (+ |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.offset_52| 8)) 2147483647) (<= 0 (+ (select (select |#memory_int| |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_52|) (+ |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.offset_52| 8)) 2147483648)))) (= |ULTIMATE.start_main_~len~0#1| 2) (<= |ULTIMATE.start_main_~i~0#1| 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0))' at error location [2024-11-09 07:19:30,430 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 07:19:30,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 07:19:30,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 7 [2024-11-09 07:19:30,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665625373] [2024-11-09 07:19:30,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 07:19:30,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 07:19:30,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:30,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 07:19:30,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=679, Unknown=4, NotChecked=0, Total=812 [2024-11-09 07:19:30,432 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 07:19:30,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:30,916 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2024-11-09 07:19:30,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 07:19:30,917 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-11-09 07:19:30,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:30,917 INFO L225 Difference]: With dead ends: 47 [2024-11-09 07:19:30,917 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 07:19:30,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 101 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=159, Invalid=829, Unknown=4, NotChecked=0, Total=992 [2024-11-09 07:19:30,919 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 19 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:30,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 51 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 07:19:30,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 07:19:30,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 07:19:30,920 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 07:19:30,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 07:19:30,921 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2024-11-09 07:19:30,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:30,921 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 07:19:30,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 07:19:30,922 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 07:19:30,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 07:19:30,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:19:30,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 07:19:31,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:19:31,132 INFO L407 BasicCegarLoop]: Path program histogram: [5, 2, 1, 1, 1, 1] [2024-11-09 07:19:31,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 07:19:41,917 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:19:41,932 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,932 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,932 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,933 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,933 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,933 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 07:19:41,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 07:19:41,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-09 07:19:41,935 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 07:19:41,936 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 07:19:41,936 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 07:19:41,936 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,936 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-09 07:19:41,937 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-09 07:19:41,937 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,937 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,937 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,938 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,938 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-09 07:19:41,939 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 07:19:41,940 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 07:19:41,940 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 07:19:41,940 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,940 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-09 07:19:41,946 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~0!base [2024-11-09 07:19:41,947 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 07:19:41,947 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-09 07:19:41,947 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-09 07:19:41,947 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-09 07:19:41,948 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~head~0!base,]]] [2024-11-09 07:19:41,948 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,948 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,948 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head~0!base,]]] [2024-11-09 07:19:41,948 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~0!base [2024-11-09 07:19:41,949 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~0!offset [2024-11-09 07:19:41,949 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-09 07:19:41,949 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~0!base [2024-11-09 07:19:41,949 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 07:19:41,950 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-09 07:19:41,950 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 07:19:41,950 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 07:19:41,950 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 07:19:41,951 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 07:19:41,951 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 07:19:41,951 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-09 07:19:41,951 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 07:19:41,952 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~0!offset [2024-11-09 07:19:41,952 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-09 07:19:41,952 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-09 07:19:41,952 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~0!base [2024-11-09 07:19:41,952 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 07:19:41,954 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,956 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 07:19:41,956 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 07:19:41,956 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-09 07:19:41,957 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 07:19:41,957 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 07:19:41,957 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 07:19:41,957 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,958 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-09 07:19:41,958 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-09 07:19:41,958 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,958 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,959 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,959 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,959 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-09 07:19:41,959 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,959 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,960 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,960 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,960 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,960 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,961 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 07:19:41,961 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 07:19:41,961 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,961 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,962 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,962 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-09 07:19:41,962 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-09 07:19:41,962 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-09 07:19:41,962 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,963 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,963 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,963 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,963 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-09 07:19:41,964 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,964 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,964 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,964 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,965 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,965 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,965 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 07:19:41,965 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 07:19:41,966 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-09 07:19:41,966 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 07:19:41,966 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,966 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,967 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,967 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-09 07:19:41,967 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-09 07:19:41,967 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-09 07:19:41,967 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,968 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,968 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,968 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,968 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-09 07:19:41,973 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-09 07:19:41,973 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,973 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,974 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,974 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,974 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,974 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,974 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 07:19:41,975 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-09 07:19:41,975 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,975 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,975 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,977 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-09 07:19:41,977 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-09 07:19:41,977 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-09 07:19:41,977 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,978 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,979 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 07:19:41,979 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-09 07:19:41,979 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-09 07:19:41,979 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-09 07:19:41,979 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 07:19:41,979 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-09 07:19:41,982 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-09 07:19:41,982 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,983 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,983 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,983 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,983 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,983 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,984 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 07:19:41,984 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 07:19:41,984 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-09 07:19:41,984 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 07:19:41,984 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-09 07:19:41,985 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,985 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,985 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-09 07:19:41,985 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-09 07:19:41,985 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-09 07:19:41,985 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-09 07:19:41,986 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,986 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,986 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,986 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,986 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-09 07:19:41,986 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-09 07:19:41,987 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-09 07:19:41,987 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-09 07:19:41,987 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-09 07:19:41,987 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,992 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,992 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,992 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,992 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,994 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,995 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 07:19:41,995 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 07:19:41,995 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-09 07:19:41,995 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-09 07:19:41,995 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-09 07:19:41,995 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,996 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,996 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-09 07:19:41,996 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-09 07:19:41,996 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-09 07:19:41,996 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:41,996 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:41,997 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:41,997 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-09 07:19:41,998 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-09 07:19:41,998 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-09 07:19:41,998 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-09 07:19:42,000 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-09 07:19:42,000 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-09 07:19:42,000 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 07:19:42,001 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 07:19:42,001 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 07:19:42,001 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:42,001 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-09 07:19:42,002 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-09 07:19:42,002 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-09 07:19:42,002 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:42,002 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:42,003 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:42,003 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:42,003 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~expected~0 [2024-11-09 07:19:42,003 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-09 07:19:42,004 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-09 07:19:42,004 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:42,004 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:42,004 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-09 07:19:42,004 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:42,005 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:42,005 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-09 07:19:42,005 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 07:19:42,005 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 07:19:42,005 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head!base,]]],[IntegerLiteral[0]]]]] [2024-11-09 07:19:42,006 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-09 07:19:42,006 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 07:19:42,006 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~expected~0 [2024-11-09 07:19:42,006 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 07:19:42,006 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 07:19:42,007 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-09 07:19:42,007 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-09 07:19:42,007 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 07:19:42,007 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 07:19:42,008 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:42,008 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 07:19:42,008 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 07:19:42,008 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-09 07:19:42,008 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-09 07:19:42,009 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-09 07:19:42,009 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-09 07:19:42,009 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:42,009 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:42,010 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:42,010 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:42,010 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:42,010 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:42,011 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 07:19:42,011 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 07:19:42,011 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-09 07:19:42,016 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 07:19:42,016 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 07:19:42,016 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 07:19:42,016 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-09 07:19:42,016 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 07:19:42,017 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 07:19:42,017 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:42,017 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-09 07:19:42,017 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-09 07:19:42,017 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-09 07:19:42,017 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:42,018 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-09 07:19:42,018 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-09 07:19:42,018 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-09 07:19:42,018 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~expected~0 [2024-11-09 07:19:42,018 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-09 07:19:42,018 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-09 07:19:42,019 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-09 07:19:42,021 WARN L162 FloydHoareUtils]: Requires clause for node_create contained old-variable. Original clause: (and (<= 1 |#StackHeapBarrier|) (= |node_create_#in~data#1| 1) (= |old(#valid)| |#valid|)) Eliminated clause: (and (<= 1 |#StackHeapBarrier|) (= |node_create_#in~data#1| 1)) [2024-11-09 07:19:42,027 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 07:19:42,028 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 07:19:42,028 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 07:19:42,028 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 07:19:42,028 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 07:19:42,028 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#valid,GLOBAL]] [2024-11-09 07:19:42,029 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 07:19:42,029 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!base [2024-11-09 07:19:42,029 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 07:19:42,029 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!base [2024-11-09 07:19:42,029 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 07:19:42,030 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 07:19:42,030 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 07:19:42,030 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!offset [2024-11-09 07:19:42,033 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-09 07:19:42,033 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-09 07:19:42,034 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-09 07:19:42,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:19:42 BoogieIcfgContainer [2024-11-09 07:19:42,035 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:19:42,036 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:19:42,036 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:19:42,036 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:19:42,037 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:17:41" (3/4) ... [2024-11-09 07:19:42,040 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 07:19:42,045 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create [2024-11-09 07:19:42,052 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-09 07:19:42,052 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-09 07:19:42,052 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 07:19:42,053 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 07:19:42,163 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 07:19:42,165 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 07:19:42,165 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:19:42,166 INFO L158 Benchmark]: Toolchain (without parser) took 121664.87ms. Allocated memory was 172.0MB in the beginning and 360.7MB in the end (delta: 188.7MB). Free memory was 134.5MB in the beginning and 177.2MB in the end (delta: -42.8MB). Peak memory consumption was 147.1MB. Max. memory is 16.1GB. [2024-11-09 07:19:42,166 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:19:42,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 713.74ms. Allocated memory is still 172.0MB. Free memory was 134.0MB in the beginning and 113.6MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 07:19:42,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.61ms. Allocated memory is still 172.0MB. Free memory was 113.6MB in the beginning and 111.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:19:42,168 INFO L158 Benchmark]: Boogie Preprocessor took 38.45ms. Allocated memory is still 172.0MB. Free memory was 111.5MB in the beginning and 109.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:19:42,168 INFO L158 Benchmark]: RCFGBuilder took 629.82ms. Allocated memory is still 172.0MB. Free memory was 109.4MB in the beginning and 138.1MB in the end (delta: -28.7MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-11-09 07:19:42,168 INFO L158 Benchmark]: TraceAbstraction took 120087.42ms. Allocated memory was 172.0MB in the beginning and 360.7MB in the end (delta: 188.7MB). Free memory was 138.1MB in the beginning and 182.5MB in the end (delta: -44.4MB). Peak memory consumption was 216.6MB. Max. memory is 16.1GB. [2024-11-09 07:19:42,169 INFO L158 Benchmark]: Witness Printer took 129.17ms. Allocated memory is still 360.7MB. Free memory was 182.5MB in the beginning and 177.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 07:19:42,171 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 713.74ms. Allocated memory is still 172.0MB. Free memory was 134.0MB in the beginning and 113.6MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.61ms. Allocated memory is still 172.0MB. Free memory was 113.6MB in the beginning and 111.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.45ms. Allocated memory is still 172.0MB. Free memory was 111.5MB in the beginning and 109.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 629.82ms. Allocated memory is still 172.0MB. Free memory was 109.4MB in the beginning and 138.1MB in the end (delta: -28.7MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * TraceAbstraction took 120087.42ms. Allocated memory was 172.0MB in the beginning and 360.7MB in the end (delta: 188.7MB). Free memory was 138.1MB in the beginning and 182.5MB in the end (delta: -44.4MB). Peak memory consumption was 216.6MB. Max. memory is 16.1GB. * Witness Printer took 129.17ms. Allocated memory is still 360.7MB. Free memory was 182.5MB in the beginning and 177.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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],[IdentifierExpression[~s~0!base,]]] - 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],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] - 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],[IdentifierExpression[~s~0!base,]]] - 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],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~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],[IdentifierExpression[~head~0!base,]]] - 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],[IdentifierExpression[~head~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - 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],[IdentifierExpression[~s~0!base,]]] - 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],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] - 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],[IdentifierExpression[~s~0!base,]]] - 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],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!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],[IdentifierExpression[~s~0!base,]]] - 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],[IdentifierExpression[~s~0!base,]]] - 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: #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],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - 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],[IdentifierExpression[~s~0!base,]]] - 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],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!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],[IdentifierExpression[~s~0!base,]]] - 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],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - 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],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - 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],[IdentifierExpression[~s~0!base,]]] - 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],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!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],[IdentifierExpression[~s~0!base,]]] - 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],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - 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],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!base - 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],[IdentifierExpression[~s~0!base,]]] - 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],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!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],[IdentifierExpression[~s~0!base,]]] - 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],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - 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],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!base - 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],[IdentifierExpression[~s~0!base,]]] - 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],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!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],[IdentifierExpression[~s~0!base,]]] - 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],[IdentifierExpression[~s~0!base,]]] - 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: #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],[IdentifierExpression[~head!base,]]] - 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],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - 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],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - 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],[IdentifierExpression[~s~0!base,]]] - 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],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~expected~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!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],[IdentifierExpression[~head!base,]]] - 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],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head!base,]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~expected~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!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],[IdentifierExpression[~s~0!base,]]] - 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],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - 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],[IdentifierExpression[~s~0!base,]]] - 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],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~expected~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!base - 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: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - 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: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #res!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #res!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #res!offset - 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 * 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: 643]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 109.1s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 747 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 744 mSDsluCounter, 1752 SdHoareTripleChecker+Invalid, 5.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 356 IncrementalHoareTripleChecker+Unchecked, 1524 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2230 IncrementalHoareTripleChecker+Invalid, 2643 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 228 mSDtfsCounter, 2230 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 911 GetRequests, 594 SyntacticMatches, 17 SemanticMatches, 300 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 4110 ImplicationChecksByTransitivity, 49.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=8, InterpolantAutomatonStates: 117, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 138 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 14.8s InterpolantComputationTime, 699 NumberOfCodeBlocks, 672 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 897 ConstructedInterpolants, 19 QuantifiedInterpolants, 5172 SizeOfPredicates, 34 NumberOfNonLiveVariables, 2820 ConjunctsInSsa, 166 ConjunctsInUnsatCore, 26 InterpolantComputations, 5 PerfectInterpolantSequences, 307/412 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: 2.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 27, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 54, TOOLS_POST_TIME: 0.7s, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME: 0.3s, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME: 0.5s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 67, TOOLS_QUANTIFIERELIM_TIME: 1.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 105, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME: 0.2s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME: 0.4s, DOMAIN_ISBOTTOM_APPLICATIONS: 27, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME: 1.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 1, 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: 819, DAG_COMPRESSION_RETAINED_NODES: 87, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: (((i == 1) && (len == 2)) || (((0 <= ((long long) i + 1)) && (i <= 0)) && (len == 2))) - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: ((((len == 1) && (len == 2)) && (data == 1)) || (((2 == len) && (len == 2)) && (data == 1))) - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: (((((0 <= ((long long) i + 1)) && (i <= 0)) && (len == 2)) || ((i == 1) && (len == 2))) || ((i == 0) && (len == 2))) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: ((((3 == data) && (index == 0)) || ((index == 0) && (2 == data))) || ((index == 1) && (3 == data))) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: (((index == 1) || (index <= 0)) || (index <= 0)) - ProcedureContractResult [Line: 575]: Procedure Contract for node_create Derived contract for procedure node_create. Requires: (data == 1) Ensures: (data == 1) RESULT: Ultimate proved your program to be correct! [2024-11-09 07:19:42,406 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-11-09 07:19:42,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7ece233-cf7a-4889-b81c-99b06afd1882/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