./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3340815bef7e21ae2d4803d7059577c1761bb3b7b4bb24b2b34d5d0d0054fd10 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 13:10:02,555 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 13:10:02,630 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 13:10:02,634 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 13:10:02,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 13:10:02,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 13:10:02,653 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 13:10:02,654 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 13:10:02,654 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 13:10:02,655 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 13:10:02,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 13:10:02,655 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 13:10:02,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 13:10:02,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 13:10:02,659 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 13:10:02,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 13:10:02,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 13:10:02,660 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 13:10:02,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 13:10:02,660 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 13:10:02,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 13:10:02,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 13:10:02,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 13:10:02,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 13:10:02,665 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 13:10:02,665 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 13:10:02,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 13:10:02,665 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 13:10:02,666 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 13:10:02,666 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 13:10:02,666 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 13:10:02,666 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 13:10:02,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 13:10:02,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 13:10:02,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 13:10:02,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 13:10:02,669 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 13:10:02,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 13:10:02,669 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 13:10:02,670 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 13:10:02,670 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 13:10:02,671 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 13:10:02,671 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3340815bef7e21ae2d4803d7059577c1761bb3b7b4bb24b2b34d5d0d0054fd10 [2024-11-18 13:10:02,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 13:10:02,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 13:10:02,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 13:10:02,958 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 13:10:02,958 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 13:10:02,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2024-11-18 13:10:04,411 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 13:10:04,649 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 13:10:04,650 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2024-11-18 13:10:04,662 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6f9eaf64/a1fe1f49b2104fe998a91ab317cfd8ab/FLAGb1a51c2e5 [2024-11-18 13:10:04,975 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6f9eaf64/a1fe1f49b2104fe998a91ab317cfd8ab [2024-11-18 13:10:04,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 13:10:04,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 13:10:04,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 13:10:04,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 13:10:04,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 13:10:04,988 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:10:04" (1/1) ... [2024-11-18 13:10:04,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25daf79b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:10:04, skipping insertion in model container [2024-11-18 13:10:04,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:10:04" (1/1) ... [2024-11-18 13:10:05,045 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 13:10:05,371 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i[24151,24164] [2024-11-18 13:10:05,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 13:10:05,383 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 13:10:05,426 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i[24151,24164] [2024-11-18 13:10:05,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 13:10:05,453 INFO L204 MainTranslator]: Completed translation [2024-11-18 13:10:05,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:10:05 WrapperNode [2024-11-18 13:10:05,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 13:10:05,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 13:10:05,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 13:10:05,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 13:10:05,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:10:05" (1/1) ... [2024-11-18 13:10:05,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:10:05" (1/1) ... [2024-11-18 13:10:05,495 INFO L138 Inliner]: procedures = 126, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 120 [2024-11-18 13:10:05,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 13:10:05,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 13:10:05,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 13:10:05,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 13:10:05,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:10:05" (1/1) ... [2024-11-18 13:10:05,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:10:05" (1/1) ... [2024-11-18 13:10:05,508 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:10:05" (1/1) ... [2024-11-18 13:10:05,529 INFO L175 MemorySlicer]: Split 20 memory accesses to 3 slices as follows [2, 9, 9]. 45 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1]. The 6 writes are split as follows [0, 5, 1]. [2024-11-18 13:10:05,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:10:05" (1/1) ... [2024-11-18 13:10:05,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:10:05" (1/1) ... [2024-11-18 13:10:05,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:10:05" (1/1) ... [2024-11-18 13:10:05,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:10:05" (1/1) ... [2024-11-18 13:10:05,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:10:05" (1/1) ... [2024-11-18 13:10:05,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:10:05" (1/1) ... [2024-11-18 13:10:05,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 13:10:05,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 13:10:05,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 13:10:05,551 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 13:10:05,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:10:05" (1/1) ... [2024-11-18 13:10:05,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 13:10:05,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 13:10:05,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 13:10:05,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 13:10:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-18 13:10:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-18 13:10:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-18 13:10:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2024-11-18 13:10:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2024-11-18 13:10:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-18 13:10:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 13:10:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-18 13:10:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-18 13:10:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-18 13:10:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-18 13:10:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-18 13:10:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-18 13:10:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-18 13:10:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-18 13:10:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-18 13:10:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-18 13:10:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-18 13:10:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 13:10:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-18 13:10:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-18 13:10:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 13:10:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 13:10:05,754 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 13:10:05,756 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 13:10:05,924 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-18 13:10:05,925 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 13:10:05,940 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 13:10:05,940 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-18 13:10:05,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:10:05 BoogieIcfgContainer [2024-11-18 13:10:05,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 13:10:05,942 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 13:10:05,943 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 13:10:05,946 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 13:10:05,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:10:04" (1/3) ... [2024-11-18 13:10:05,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a526e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:10:05, skipping insertion in model container [2024-11-18 13:10:05,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:10:05" (2/3) ... [2024-11-18 13:10:05,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a526e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:10:05, skipping insertion in model container [2024-11-18 13:10:05,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:10:05" (3/3) ... [2024-11-18 13:10:05,949 INFO L112 eAbstractionObserver]: Analyzing ICFG sll2c_remove_all_reverse.i [2024-11-18 13:10:05,965 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 13:10:05,966 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 13:10:06,029 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 13:10:06,037 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=PETRI_NET, 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;@9fe0023, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 13:10:06,037 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 13:10:06,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 28 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) [2024-11-18 13:10:06,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-18 13:10:06,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 13:10:06,048 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 13:10:06,049 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 13:10:06,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 13:10:06,054 INFO L85 PathProgramCache]: Analyzing trace with hash 18959570, now seen corresponding path program 1 times [2024-11-18 13:10:06,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 13:10:06,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889517057] [2024-11-18 13:10:06,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 13:10:06,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 13:10:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 13:10:06,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 13:10:06,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 13:10:06,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889517057] [2024-11-18 13:10:06,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889517057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 13:10:06,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 13:10:06,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 13:10:06,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062569099] [2024-11-18 13:10:06,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 13:10:06,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 13:10:06,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 13:10:06,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 13:10:06,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 13:10:06,352 INFO L87 Difference]: Start difference. First operand has 32 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 28 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) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 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) [2024-11-18 13:10:06,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 13:10:06,372 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2024-11-18 13:10:06,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 13:10:06,374 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 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 [2024-11-18 13:10:06,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 13:10:06,382 INFO L225 Difference]: With dead ends: 51 [2024-11-18 13:10:06,382 INFO L226 Difference]: Without dead ends: 28 [2024-11-18 13:10:06,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 13:10:06,389 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 13:10:06,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 13:10:06,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-18 13:10:06,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-18 13:10:06,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 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) [2024-11-18 13:10:06,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2024-11-18 13:10:06,428 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 16 [2024-11-18 13:10:06,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 13:10:06,429 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2024-11-18 13:10:06,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 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) [2024-11-18 13:10:06,430 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2024-11-18 13:10:06,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-18 13:10:06,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 13:10:06,432 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 13:10:06,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 13:10:06,432 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 13:10:06,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 13:10:06,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1012316651, now seen corresponding path program 1 times [2024-11-18 13:10:06,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 13:10:06,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108992611] [2024-11-18 13:10:06,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 13:10:06,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 13:10:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 13:10:06,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 13:10:06,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 13:10:06,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108992611] [2024-11-18 13:10:06,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108992611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 13:10:06,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 13:10:06,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 13:10:06,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63351987] [2024-11-18 13:10:06,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 13:10:06,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 13:10:06,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 13:10:06,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 13:10:06,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 13:10:06,686 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. 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) [2024-11-18 13:10:06,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 13:10:06,716 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2024-11-18 13:10:06,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 13:10:06,717 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 [2024-11-18 13:10:06,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 13:10:06,718 INFO L225 Difference]: With dead ends: 47 [2024-11-18 13:10:06,718 INFO L226 Difference]: Without dead ends: 31 [2024-11-18 13:10:06,719 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 [2024-11-18 13:10:06,720 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 1 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 13:10:06,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 57 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 13:10:06,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-18 13:10:06,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2024-11-18 13:10:06,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 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) [2024-11-18 13:10:06,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2024-11-18 13:10:06,728 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 16 [2024-11-18 13:10:06,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 13:10:06,728 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2024-11-18 13:10:06,728 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) [2024-11-18 13:10:06,729 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2024-11-18 13:10:06,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-18 13:10:06,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 13:10:06,730 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 13:10:06,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 13:10:06,730 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 13:10:06,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 13:10:06,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1534086739, now seen corresponding path program 1 times [2024-11-18 13:10:06,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 13:10:06,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165391260] [2024-11-18 13:10:06,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 13:10:06,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 13:10:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 13:10:06,949 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-18 13:10:06,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 13:10:06,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165391260] [2024-11-18 13:10:06,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165391260] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 13:10:06,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676491247] [2024-11-18 13:10:06,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 13:10:06,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 13:10:06,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 13:10:06,953 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 13:10:06,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 13:10:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 13:10:07,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 13:10:07,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 13:10:07,196 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-18 13:10:07,196 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 13:10:07,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676491247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 13:10:07,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 13:10:07,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-18 13:10:07,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044048530] [2024-11-18 13:10:07,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 13:10:07,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 13:10:07,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 13:10:07,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 13:10:07,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-18 13:10:07,201 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-11-18 13:10:07,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 13:10:07,232 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2024-11-18 13:10:07,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 13:10:07,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 24 [2024-11-18 13:10:07,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 13:10:07,235 INFO L225 Difference]: With dead ends: 43 [2024-11-18 13:10:07,236 INFO L226 Difference]: Without dead ends: 39 [2024-11-18 13:10:07,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-18 13:10:07,238 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 38 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 13:10:07,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 56 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 13:10:07,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-18 13:10:07,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 30. [2024-11-18 13:10:07,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 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) [2024-11-18 13:10:07,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2024-11-18 13:10:07,248 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 24 [2024-11-18 13:10:07,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 13:10:07,248 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2024-11-18 13:10:07,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-11-18 13:10:07,248 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2024-11-18 13:10:07,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-18 13:10:07,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 13:10:07,249 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-18 13:10:07,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-18 13:10:07,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 13:10:07,450 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 13:10:07,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 13:10:07,451 INFO L85 PathProgramCache]: Analyzing trace with hash -336289866, now seen corresponding path program 1 times [2024-11-18 13:10:07,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 13:10:07,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984860261] [2024-11-18 13:10:07,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 13:10:07,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 13:10:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 13:10:07,714 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-18 13:10:07,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 13:10:07,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984860261] [2024-11-18 13:10:07,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984860261] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 13:10:07,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113074877] [2024-11-18 13:10:07,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 13:10:07,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 13:10:07,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 13:10:07,720 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 13:10:07,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 13:10:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 13:10:07,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-18 13:10:07,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 13:10:07,972 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-18 13:10:07,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 13:10:08,058 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-18 13:10:08,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113074877] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 13:10:08,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 13:10:08,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-11-18 13:10:08,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958412371] [2024-11-18 13:10:08,059 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 13:10:08,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 13:10:08,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 13:10:08,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 13:10:08,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-18 13:10:08,063 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 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) [2024-11-18 13:10:08,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 13:10:08,128 INFO L93 Difference]: Finished difference Result 55 states and 67 transitions. [2024-11-18 13:10:08,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-18 13:10:08,129 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 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 31 [2024-11-18 13:10:08,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 13:10:08,130 INFO L225 Difference]: With dead ends: 55 [2024-11-18 13:10:08,130 INFO L226 Difference]: Without dead ends: 51 [2024-11-18 13:10:08,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-18 13:10:08,132 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 73 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 13:10:08,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 122 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 13:10:08,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-18 13:10:08,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 40. [2024-11-18 13:10:08,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 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) [2024-11-18 13:10:08,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2024-11-18 13:10:08,143 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 31 [2024-11-18 13:10:08,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 13:10:08,144 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2024-11-18 13:10:08,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 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) [2024-11-18 13:10:08,144 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2024-11-18 13:10:08,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-18 13:10:08,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 13:10:08,145 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-18 13:10:08,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-18 13:10:08,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-18 13:10:08,347 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 13:10:08,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 13:10:08,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1253213581, now seen corresponding path program 2 times [2024-11-18 13:10:08,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 13:10:08,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623718752] [2024-11-18 13:10:08,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-18 13:10:08,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 13:10:08,388 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-18 13:10:08,392 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 13:10:08,696 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-18 13:10:08,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 13:10:08,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623718752] [2024-11-18 13:10:08,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623718752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 13:10:08,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 13:10:08,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 13:10:08,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574366955] [2024-11-18 13:10:08,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 13:10:08,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 13:10:08,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 13:10:08,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 13:10:08,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 13:10:08,699 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-11-18 13:10:08,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 13:10:08,763 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2024-11-18 13:10:08,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 13:10:08,763 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 38 [2024-11-18 13:10:08,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 13:10:08,764 INFO L225 Difference]: With dead ends: 57 [2024-11-18 13:10:08,764 INFO L226 Difference]: Without dead ends: 40 [2024-11-18 13:10:08,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-18 13:10:08,765 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 15 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 13:10:08,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 104 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 13:10:08,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-18 13:10:08,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-18 13:10:08,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 36 states have internal predecessors, (42), 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) [2024-11-18 13:10:08,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2024-11-18 13:10:08,771 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 38 [2024-11-18 13:10:08,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 13:10:08,772 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2024-11-18 13:10:08,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-11-18 13:10:08,772 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2024-11-18 13:10:08,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-18 13:10:08,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 13:10:08,773 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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] [2024-11-18 13:10:08,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 13:10:08,774 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 13:10:08,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 13:10:08,774 INFO L85 PathProgramCache]: Analyzing trace with hash -180232099, now seen corresponding path program 1 times [2024-11-18 13:10:08,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 13:10:08,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628827804] [2024-11-18 13:10:08,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 13:10:08,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 13:10:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 13:10:08,866 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-18 13:10:08,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 13:10:08,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628827804] [2024-11-18 13:10:08,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628827804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 13:10:08,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 13:10:08,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 13:10:08,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172504686] [2024-11-18 13:10:08,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 13:10:08,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 13:10:08,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 13:10:08,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 13:10:08,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 13:10:08,869 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-11-18 13:10:08,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 13:10:08,906 INFO L93 Difference]: Finished difference Result 68 states and 79 transitions. [2024-11-18 13:10:08,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 13:10:08,907 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 44 [2024-11-18 13:10:08,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 13:10:08,908 INFO L225 Difference]: With dead ends: 68 [2024-11-18 13:10:08,908 INFO L226 Difference]: Without dead ends: 44 [2024-11-18 13:10:08,908 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 [2024-11-18 13:10:08,909 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 1 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 13:10:08,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 73 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 13:10:08,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-18 13:10:08,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-18 13:10:08,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 40 states have (on average 1.15) internal successors, (46), 40 states have internal predecessors, (46), 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) [2024-11-18 13:10:08,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2024-11-18 13:10:08,915 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 44 [2024-11-18 13:10:08,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 13:10:08,916 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2024-11-18 13:10:08,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-11-18 13:10:08,916 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2024-11-18 13:10:08,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-18 13:10:08,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 13:10:08,917 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 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] [2024-11-18 13:10:08,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 13:10:08,918 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 13:10:08,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 13:10:08,918 INFO L85 PathProgramCache]: Analyzing trace with hash 246982931, now seen corresponding path program 1 times [2024-11-18 13:10:08,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 13:10:08,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108301149] [2024-11-18 13:10:08,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 13:10:08,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 13:10:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 13:10:09,414 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-18 13:10:09,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 13:10:09,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108301149] [2024-11-18 13:10:09,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108301149] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 13:10:09,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348250890] [2024-11-18 13:10:09,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 13:10:09,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 13:10:09,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 13:10:09,419 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 13:10:09,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-18 13:10:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 13:10:09,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 135 conjuncts are in the unsatisfiable core [2024-11-18 13:10:09,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 13:10:09,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-18 13:10:09,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 18 treesize of output 7 [2024-11-18 13:10:09,998 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-18 13:10:09,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-11-18 13:10:10,049 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 19 treesize of output 11 [2024-11-18 13:10:10,105 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 16 treesize of output 11 [2024-11-18 13:10:10,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-18 13:10:10,683 INFO L349 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2024-11-18 13:10:10,684 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 1 case distinctions, treesize of input 35 treesize of output 30 [2024-11-18 13:10:11,328 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 11 treesize of output 3 [2024-11-18 13:10:11,343 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2024-11-18 13:10:11,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 49 treesize of output 25 [2024-11-18 13:10:11,399 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-18 13:10:11,400 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 13:10:12,100 INFO L349 Elim1Store]: treesize reduction 55, result has 77.5 percent of original size [2024-11-18 13:10:12,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 530 treesize of output 586 [2024-11-18 13:10:12,446 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-18 13:10:12,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348250890] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 13:10:12,449 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 13:10:12,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 26, 13] total 42 [2024-11-18 13:10:12,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960803387] [2024-11-18 13:10:12,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 13:10:12,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-18 13:10:12,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 13:10:12,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-18 13:10:12,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=1507, Unknown=0, NotChecked=0, Total=1722 [2024-11-18 13:10:12,454 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand has 42 states, 41 states have (on average 2.341463414634146) internal successors, (96), 39 states have internal predecessors, (96), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-18 13:10:13,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 13:10:13,487 INFO L93 Difference]: Finished difference Result 142 states and 170 transitions. [2024-11-18 13:10:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-18 13:10:13,488 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 41 states have (on average 2.341463414634146) internal successors, (96), 39 states have internal predecessors, (96), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 48 [2024-11-18 13:10:13,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 13:10:13,490 INFO L225 Difference]: With dead ends: 142 [2024-11-18 13:10:13,491 INFO L226 Difference]: Without dead ends: 113 [2024-11-18 13:10:13,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 652 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=466, Invalid=2840, Unknown=0, NotChecked=0, Total=3306 [2024-11-18 13:10:13,493 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 123 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 13:10:13,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 272 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 13:10:13,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-18 13:10:13,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 52. [2024-11-18 13:10:13,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 48 states have internal predecessors, (55), 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) [2024-11-18 13:10:13,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions. [2024-11-18 13:10:13,507 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 59 transitions. Word has length 48 [2024-11-18 13:10:13,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 13:10:13,509 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 59 transitions. [2024-11-18 13:10:13,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 2.341463414634146) internal successors, (96), 39 states have internal predecessors, (96), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-18 13:10:13,509 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2024-11-18 13:10:13,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-18 13:10:13,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 13:10:13,512 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 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] [2024-11-18 13:10:13,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-18 13:10:13,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 13:10:13,716 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 13:10:13,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 13:10:13,716 INFO L85 PathProgramCache]: Analyzing trace with hash 531611278, now seen corresponding path program 1 times [2024-11-18 13:10:13,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 13:10:13,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562628155] [2024-11-18 13:10:13,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 13:10:13,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 13:10:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 13:10:13,939 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-18 13:10:13,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 13:10:13,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562628155] [2024-11-18 13:10:13,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562628155] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 13:10:13,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142856959] [2024-11-18 13:10:13,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 13:10:13,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 13:10:13,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 13:10:13,943 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 13:10:13,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-18 13:10:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 13:10:14,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-11-18 13:10:14,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 13:10:14,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-18 13:10:14,313 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-18 13:10:14,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-11-18 13:10:14,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 1 [2024-11-18 13:10:14,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2024-11-18 13:10:14,393 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 16 treesize of output 11 [2024-11-18 13:10:14,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8 treesize of output 1 [2024-11-18 13:10:14,694 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-11-18 13:10:14,757 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-18 13:10:14,758 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 13:10:14,885 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-18 13:10:14,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142856959] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 13:10:14,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 13:10:14,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 18, 6] total 23 [2024-11-18 13:10:14,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953392852] [2024-11-18 13:10:14,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 13:10:14,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-18 13:10:14,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 13:10:14,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-18 13:10:14,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2024-11-18 13:10:14,887 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. Second operand has 23 states, 22 states have (on average 2.8636363636363638) internal successors, (63), 20 states have internal predecessors, (63), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-18 13:10:15,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 13:10:15,317 INFO L93 Difference]: Finished difference Result 116 states and 136 transitions. [2024-11-18 13:10:15,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-18 13:10:15,318 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.8636363636363638) internal successors, (63), 20 states have internal predecessors, (63), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 50 [2024-11-18 13:10:15,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 13:10:15,319 INFO L225 Difference]: With dead ends: 116 [2024-11-18 13:10:15,319 INFO L226 Difference]: Without dead ends: 80 [2024-11-18 13:10:15,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=887, Unknown=0, NotChecked=0, Total=992 [2024-11-18 13:10:15,320 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 25 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 13:10:15,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 263 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 13:10:15,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-18 13:10:15,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 60. [2024-11-18 13:10:15,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 56 states have (on average 1.1428571428571428) internal successors, (64), 56 states have internal predecessors, (64), 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) [2024-11-18 13:10:15,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 68 transitions. [2024-11-18 13:10:15,339 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 68 transitions. Word has length 50 [2024-11-18 13:10:15,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 13:10:15,340 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 68 transitions. [2024-11-18 13:10:15,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.8636363636363638) internal successors, (63), 20 states have internal predecessors, (63), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-18 13:10:15,340 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2024-11-18 13:10:15,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-18 13:10:15,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 13:10:15,341 INFO L215 NwaCegarLoop]: trace histogram [5, 3, 3, 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] [2024-11-18 13:10:15,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-18 13:10:15,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 13:10:15,542 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 13:10:15,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 13:10:15,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1766412247, now seen corresponding path program 2 times [2024-11-18 13:10:15,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 13:10:15,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121448210] [2024-11-18 13:10:15,543 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-18 13:10:15,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 13:10:15,570 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-18 13:10:15,570 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 13:10:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-18 13:10:16,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 13:10:16,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121448210] [2024-11-18 13:10:16,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121448210] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 13:10:16,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986169026] [2024-11-18 13:10:16,825 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-18 13:10:16,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 13:10:16,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 13:10:16,826 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 13:10:16,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-18 13:10:17,091 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-18 13:10:17,091 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 13:10:17,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 125 conjuncts are in the unsatisfiable core [2024-11-18 13:10:17,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 13:10:17,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-18 13:10:17,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 18 treesize of output 7 [2024-11-18 13:10:17,338 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-18 13:10:17,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-11-18 13:10:17,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2024-11-18 13:10:17,394 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 19 treesize of output 11 [2024-11-18 13:10:17,469 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-11-18 13:10:17,469 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 1 case distinctions, treesize of input 47 treesize of output 33 [2024-11-18 13:10:17,476 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 27 treesize of output 22 [2024-11-18 13:10:17,899 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-18 13:10:17,899 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 13:10:17,936 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 12 treesize of output 8 [2024-11-18 13:10:18,432 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 80 treesize of output 56 [2024-11-18 13:10:18,435 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 60 treesize of output 36 [2024-11-18 13:10:18,554 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-18 13:10:18,554 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 421 treesize of output 365 [2024-11-18 13:10:18,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986169026] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 13:10:18,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-18 13:10:18,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17] total 35 [2024-11-18 13:10:18,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505029775] [2024-11-18 13:10:18,914 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-18 13:10:18,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-18 13:10:18,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 13:10:18,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-18 13:10:18,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=2097, Unknown=0, NotChecked=0, Total=2256 [2024-11-18 13:10:18,917 INFO L87 Difference]: Start difference. First operand 60 states and 68 transitions. Second operand has 35 states, 34 states have (on average 1.911764705882353) internal successors, (65), 30 states have internal predecessors, (65), 4 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-18 13:10:19,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 13:10:19,280 INFO L93 Difference]: Finished difference Result 111 states and 128 transitions. [2024-11-18 13:10:19,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-18 13:10:19,281 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 1.911764705882353) internal successors, (65), 30 states have internal predecessors, (65), 4 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 52 [2024-11-18 13:10:19,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 13:10:19,282 INFO L225 Difference]: With dead ends: 111 [2024-11-18 13:10:19,282 INFO L226 Difference]: Without dead ends: 64 [2024-11-18 13:10:19,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=184, Invalid=2366, Unknown=0, NotChecked=0, Total=2550 [2024-11-18 13:10:19,284 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 21 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 13:10:19,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 383 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 13:10:19,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-18 13:10:19,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2024-11-18 13:10:19,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 58 states have (on average 1.1379310344827587) internal successors, (66), 58 states have internal predecessors, (66), 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) [2024-11-18 13:10:19,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2024-11-18 13:10:19,298 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 52 [2024-11-18 13:10:19,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 13:10:19,298 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2024-11-18 13:10:19,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 1.911764705882353) internal successors, (65), 30 states have internal predecessors, (65), 4 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-18 13:10:19,299 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2024-11-18 13:10:19,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-18 13:10:19,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 13:10:19,300 INFO L215 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 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] [2024-11-18 13:10:19,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-18 13:10:19,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 13:10:19,500 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 13:10:19,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 13:10:19,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1302933441, now seen corresponding path program 3 times [2024-11-18 13:10:19,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 13:10:19,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014439874] [2024-11-18 13:10:19,501 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-18 13:10:19,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 13:10:19,523 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-18 13:10:19,523 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 13:10:19,610 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-18 13:10:19,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 13:10:19,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014439874] [2024-11-18 13:10:19,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014439874] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 13:10:19,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311878187] [2024-11-18 13:10:19,611 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-18 13:10:19,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 13:10:19,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 13:10:19,613 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 13:10:19,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-18 13:10:19,777 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-18 13:10:19,777 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-18 13:10:19,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-18 13:10:19,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 13:10:19,806 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-18 13:10:19,806 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 13:10:19,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311878187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 13:10:19,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 13:10:19,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-18 13:10:19,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117543936] [2024-11-18 13:10:19,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 13:10:19,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 13:10:19,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 13:10:19,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 13:10:19,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-18 13:10:19,809 INFO L87 Difference]: Start difference. First operand 63 states and 72 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-18 13:10:19,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 13:10:19,821 INFO L93 Difference]: Finished difference Result 68 states and 76 transitions. [2024-11-18 13:10:19,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 13:10:19,821 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 60 [2024-11-18 13:10:19,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 13:10:19,823 INFO L225 Difference]: With dead ends: 68 [2024-11-18 13:10:19,823 INFO L226 Difference]: Without dead ends: 0 [2024-11-18 13:10:19,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-18 13:10:19,824 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 13:10:19,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 13:10:19,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-18 13:10:19,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-18 13:10:19,825 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) [2024-11-18 13:10:19,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-18 13:10:19,825 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2024-11-18 13:10:19,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 13:10:19,825 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-18 13:10:19,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-18 13:10:19,826 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-18 13:10:19,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-18 13:10:19,830 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 13:10:19,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-18 13:10:20,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 13:10:20,035 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1] [2024-11-18 13:10:20,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-18 13:10:20,488 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 13:10:20,511 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-18 13:10:20,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-18 13:10:20,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-18 13:10:20,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-18 13:10:20,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-18 13:10:20,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-18 13:10:20,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-18 13:10:20,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~1!base [2024-11-18 13:10:20,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-18 13:10:20,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-18 13:10:20,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-18 13:10:20,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-18 13:10:20,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-18 13:10:20,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-18 13:10:20,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]],[IntegerLiteral[0]]]]] [2024-11-18 13:10:20,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-18 13:10:20,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-18 13:10:20,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-18 13:10:20,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-18 13:10:20,516 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-18 13:10:20,516 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-18 13:10:20,516 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-18 13:10:20,516 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-18 13:10:20,516 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-18 13:10:20,516 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-18 13:10:20,516 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~1!offset [2024-11-18 13:10:20,516 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-18 13:10:20,516 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-18 13:10:20,516 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]],[IntegerLiteral[0]]]]] [2024-11-18 13:10:20,517 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-18 13:10:20,517 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-18 13:10:20,517 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-18 13:10:20,517 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-18 13:10:20,517 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-18 13:10:20,517 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-18 13:10:20,517 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-18 13:10:20,517 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-18 13:10:20,517 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-18 13:10:20,517 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-18 13:10:20,518 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-18 13:10:20,518 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-18 13:10:20,518 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-18 13:10:20,518 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-18 13:10:20,518 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-18 13:10:20,518 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~1!offset [2024-11-18 13:10:20,518 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-18 13:10:20,518 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-18 13:10:20,518 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~head!base,]]],[IntegerLiteral[0]]]]] [2024-11-18 13:10:20,518 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-18 13:10:20,518 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-18 13:10:20,519 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-18 13:10:20,519 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-18 13:10:20,519 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-18 13:10:20,519 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-18 13:10:20,519 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-18 13:10:20,519 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-18 13:10:20,519 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]],[IntegerLiteral[0]]]]] [2024-11-18 13:10:20,519 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-18 13:10:20,519 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-18 13:10:20,519 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-18 13:10:20,519 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-18 13:10:20,520 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-18 13:10:20,520 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-18 13:10:20,520 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-18 13:10:20,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-18 13:10:20,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-18 13:10:20,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~head!base,]]],[IntegerLiteral[0]]]]] [2024-11-18 13:10:20,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~1!base [2024-11-18 13:10:20,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-18 13:10:20,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-18 13:10:20,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]],[IntegerLiteral[0]]]]] [2024-11-18 13:10:20,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-18 13:10:20,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-18 13:10:20,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-18 13:10:20,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-18 13:10:20,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-18 13:10:20,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-18 13:10:20,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-18 13:10:20,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-18 13:10:20,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~1!base [2024-11-18 13:10:20,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-18 13:10:20,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-18 13:10:20,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-18 13:10:20,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-18 13:10:20,524 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-18 13:10:20,524 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~1!offset [2024-11-18 13:10:20,524 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-18 13:10:20,524 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-18 13:10:20,524 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-18 13:10:20,524 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-18 13:10:20,524 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-18 13:10:20,524 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-18 13:10:20,524 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-18 13:10:20,524 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-18 13:10:20,524 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-18 13:10:20,524 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-18 13:10:20,525 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-18 13:10:20,525 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-18 13:10:20,528 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-18 13:10:20,528 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~0!offset [2024-11-18 13:10:20,528 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-18 13:10:20,528 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~0!base [2024-11-18 13:10:20,528 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-18 13:10:20,529 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-18 13:10:20,529 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-18 13:10:20,529 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-18 13:10:20,529 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-18 13:10:20,529 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[IdentifierExpression[~head~0!base,]]] [2024-11-18 13:10:20,529 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-18 13:10:20,529 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~0!offset [2024-11-18 13:10:20,529 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-18 13:10:20,530 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-18 13:10:20,530 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~head~0!base,]]] [2024-11-18 13:10:20,530 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~0!base [2024-11-18 13:10:20,530 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-18 13:10:20,530 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-18 13:10:20,530 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~0!base [2024-11-18 13:10:20,534 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-18 13:10:20,534 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-18 13:10:20,534 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-18 13:10:20,534 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-18 13:10:20,534 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-18 13:10:20,535 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]],[IntegerLiteral[0]]]]] [2024-11-18 13:10:20,535 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-18 13:10:20,535 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-18 13:10:20,535 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-18 13:10:20,535 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-18 13:10:20,535 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-18 13:10:20,535 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-18 13:10:20,535 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-18 13:10:20,536 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-18 13:10:20,536 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-18 13:10:20,536 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]],[IntegerLiteral[0]]]]] [2024-11-18 13:10:20,537 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-18 13:10:20,537 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-18 13:10:20,537 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-18 13:10:20,537 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-18 13:10:20,537 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-18 13:10:20,537 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-18 13:10:20,538 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-18 13:10:20,538 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-18 13:10:20,538 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-18 13:10:20,538 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-18 13:10:20,538 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-18 13:10:20,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-18 13:10:20,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-18 13:10:20,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-18 13:10:20,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-18 13:10:20,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-18 13:10:20,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-18 13:10:20,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-18 13:10:20,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-18 13:10:20,540 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-18 13:10:20,540 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-18 13:10:20,541 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-18 13:10:20,541 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~snd_to_last~0!base [2024-11-18 13:10:20,541 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-18 13:10:20,541 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-18 13:10:20,541 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-18 13:10:20,541 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-18 13:10:20,541 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-18 13:10:20,541 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-18 13:10:20,541 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~head!base,]]],[IdentifierExpression[~head!offset,]]]]] [2024-11-18 13:10:20,541 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~1!base [2024-11-18 13:10:20,542 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~snd_to_last~0!offset [2024-11-18 13:10:20,542 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-18 13:10:20,542 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-18 13:10:20,542 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-18 13:10:20,542 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-18 13:10:20,542 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-18 13:10:20,545 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-18 13:10:20,545 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[IdentifierExpression[~snd_to_last~0!base,]]] [2024-11-18 13:10:20,545 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~1!offset [2024-11-18 13:10:20,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-18 13:10:20,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-18 13:10:20,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-18 13:10:20,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-18 13:10:20,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-18 13:10:20,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-18 13:10:20,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-18 13:10:20,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-18 13:10:20,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-18 13:10:20,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-18 13:10:20,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-18 13:10:20,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-18 13:10:20,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-18 13:10:20,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-18 13:10:20,549 WARN L156 FloydHoareUtils]: Requires clause for node_create contained old-variable. Original clause: (= |old(#valid)| |#valid|) Eliminated clause: true [2024-11-18 13:10:20,553 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-18 13:10:20,554 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-18 13:10:20,554 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[IdentifierExpression[#res!base,]]] [2024-11-18 13:10:20,554 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-18 13:10:20,554 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#valid,GLOBAL]] [2024-11-18 13:10:20,554 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!offset [2024-11-18 13:10:20,554 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-18 13:10:20,554 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-18 13:10:20,557 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-18 13:10:20,557 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-18 13:10:20,557 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-18 13:10:20,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:10:20 BoogieIcfgContainer [2024-11-18 13:10:20,559 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 13:10:20,559 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 13:10:20,559 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 13:10:20,559 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 13:10:20,560 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:10:05" (3/4) ... [2024-11-18 13:10:20,562 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-18 13:10:20,566 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create [2024-11-18 13:10:20,571 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-18 13:10:20,571 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-18 13:10:20,572 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-18 13:10:20,572 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-18 13:10:20,661 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-18 13:10:20,662 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-18 13:10:20,662 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 13:10:20,663 INFO L158 Benchmark]: Toolchain (without parser) took 15684.78ms. Allocated memory was 172.0MB in the beginning and 377.5MB in the end (delta: 205.5MB). Free memory was 100.6MB in the beginning and 211.7MB in the end (delta: -111.1MB). Peak memory consumption was 97.5MB. Max. memory is 16.1GB. [2024-11-18 13:10:20,663 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 13:10:20,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.13ms. Allocated memory is still 172.0MB. Free memory was 100.4MB in the beginning and 133.3MB in the end (delta: -32.8MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-11-18 13:10:20,663 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.18ms. Allocated memory is still 172.0MB. Free memory was 133.3MB in the beginning and 131.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 13:10:20,664 INFO L158 Benchmark]: Boogie Preprocessor took 54.39ms. Allocated memory is still 172.0MB. Free memory was 131.2MB in the beginning and 128.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 13:10:20,664 INFO L158 Benchmark]: RCFGBuilder took 390.09ms. Allocated memory is still 172.0MB. Free memory was 128.0MB in the beginning and 111.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-18 13:10:20,664 INFO L158 Benchmark]: TraceAbstraction took 14616.21ms. Allocated memory was 172.0MB in the beginning and 377.5MB in the end (delta: 205.5MB). Free memory was 110.2MB in the beginning and 217.0MB in the end (delta: -106.8MB). Peak memory consumption was 98.8MB. Max. memory is 16.1GB. [2024-11-18 13:10:20,664 INFO L158 Benchmark]: Witness Printer took 103.05ms. Allocated memory is still 377.5MB. Free memory was 217.0MB in the beginning and 211.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-18 13:10:20,666 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.13ms. Allocated memory is still 172.0MB. Free memory was 100.4MB in the beginning and 133.3MB in the end (delta: -32.8MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.18ms. Allocated memory is still 172.0MB. Free memory was 133.3MB in the beginning and 131.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.39ms. Allocated memory is still 172.0MB. Free memory was 131.2MB in the beginning and 128.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 390.09ms. Allocated memory is still 172.0MB. Free memory was 128.0MB in the beginning and 111.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 14616.21ms. Allocated memory was 172.0MB in the beginning and 377.5MB in the end (delta: 205.5MB). Free memory was 110.2MB in the beginning and 217.0MB in the end (delta: -106.8MB). Peak memory consumption was 98.8MB. Max. memory is 16.1GB. * Witness Printer took 103.05ms. Allocated memory is still 377.5MB. Free memory was 217.0MB in the beginning and 211.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~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: #memory_$Pointer$#2.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~1!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~1!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]],[IntegerLiteral[0]]]]] - 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: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] - 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: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~1!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~head!base,]]],[IntegerLiteral[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: ~head!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~head!base,]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~1!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]],[IntegerLiteral[0]]]]] - 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: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~1!base - 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_$Pointer$#2.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~1!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!offset - 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: ~#s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[IdentifierExpression[~head~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~head~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~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: #memory_$Pointer$#2.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~snd_to_last~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~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: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~head!base,]]],[IdentifierExpression[~head!offset,]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~1!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~snd_to_last~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[IdentifierExpression[~snd_to_last~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~1!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!offset - 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: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] - 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_$Pointer$#1.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[IdentifierExpression[#res!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#valid,GLOBAL]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #res!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~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: 624]: 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, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.0s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 301 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 297 mSDsluCounter, 1387 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1130 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1561 IncrementalHoareTripleChecker+Invalid, 1582 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 257 mSDtfsCounter, 1561 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 520 GetRequests, 359 SyntacticMatches, 2 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1229 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=9, InterpolantAutomatonStates: 97, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 104 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 644 NumberOfCodeBlocks, 592 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 754 ConstructedInterpolants, 16 QuantifiedInterpolants, 7063 SizeOfPredicates, 30 NumberOfNonLiveVariables, 1850 ConjunctsInSsa, 372 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 362/434 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: ((((2 == len) && (len == 2)) && (data == 1)) || (((2 <= len) && (len <= 1)) && (data == 1))) - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: ((((2 <= len) && (i == 0)) || (2 <= len)) || ((2 <= len) && (i <= 1))) - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-18 13:10:20,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE