./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 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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-803cd42-m [2024-11-22 00:54:45,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 00:54:46,040 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 00:54:46,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 00:54:46,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 00:54:46,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 00:54:46,081 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 00:54:46,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 00:54:46,083 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 00:54:46,084 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 00:54:46,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 00:54:46,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 00:54:46,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 00:54:46,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 00:54:46,086 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 00:54:46,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 00:54:46,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 00:54:46,090 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 00:54:46,090 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 00:54:46,090 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 00:54:46,091 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 00:54:46,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 00:54:46,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 00:54:46,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 00:54:46,092 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 00:54:46,093 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 00:54:46,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 00:54:46,093 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 00:54:46,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 00:54:46,094 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 00:54:46,094 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 00:54:46,094 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 00:54:46,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 00:54:46,095 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 00:54:46,095 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 00:54:46,095 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 00:54:46,096 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 00:54:46,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 00:54:46,096 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 00:54:46,097 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 00:54:46,097 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 00:54:46,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 00:54:46,098 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3340815bef7e21ae2d4803d7059577c1761bb3b7b4bb24b2b34d5d0d0054fd10 [2024-11-22 00:54:46,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 00:54:46,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 00:54:46,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 00:54:46,399 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 00:54:46,400 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 00:54:46,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2024-11-22 00:54:47,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 00:54:48,133 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 00:54:48,134 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2024-11-22 00:54:48,150 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0480fe420/aa4b1a23a8d34c239686ca7ece4935b7/FLAG7d161b2e8 [2024-11-22 00:54:48,163 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0480fe420/aa4b1a23a8d34c239686ca7ece4935b7 [2024-11-22 00:54:48,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 00:54:48,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 00:54:48,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 00:54:48,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 00:54:48,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 00:54:48,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:54:48" (1/1) ... [2024-11-22 00:54:48,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f349442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:54:48, skipping insertion in model container [2024-11-22 00:54:48,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:54:48" (1/1) ... [2024-11-22 00:54:48,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 00:54:48,566 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] [2024-11-22 00:54:48,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 00:54:48,583 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 00:54:48,624 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] [2024-11-22 00:54:48,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 00:54:48,694 INFO L204 MainTranslator]: Completed translation [2024-11-22 00:54:48,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:54:48 WrapperNode [2024-11-22 00:54:48,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 00:54:48,696 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 00:54:48,696 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 00:54:48,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 00:54:48,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:54:48" (1/1) ... [2024-11-22 00:54:48,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:54:48" (1/1) ... [2024-11-22 00:54:48,746 INFO L138 Inliner]: procedures = 126, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 120 [2024-11-22 00:54:48,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 00:54:48,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 00:54:48,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 00:54:48,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 00:54:48,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:54:48" (1/1) ... [2024-11-22 00:54:48,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:54:48" (1/1) ... [2024-11-22 00:54:48,761 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:54:48" (1/1) ... [2024-11-22 00:54:48,781 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]. [2024-11-22 00:54:48,782 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:54:48" (1/1) ... [2024-11-22 00:54:48,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:54:48" (1/1) ... [2024-11-22 00:54:48,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:54:48" (1/1) ... [2024-11-22 00:54:48,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:54:48" (1/1) ... [2024-11-22 00:54:48,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:54:48" (1/1) ... [2024-11-22 00:54:48,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:54:48" (1/1) ... [2024-11-22 00:54:48,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 00:54:48,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 00:54:48,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 00:54:48,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 00:54:48,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:54:48" (1/1) ... [2024-11-22 00:54:48,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 00:54:48,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 00:54:48,843 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) [2024-11-22 00:54:48,847 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 [2024-11-22 00:54:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 00:54:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 00:54:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 00:54:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2024-11-22 00:54:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2024-11-22 00:54:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 00:54:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 00:54:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 00:54:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 00:54:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 00:54:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 00:54:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 00:54:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 00:54:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 00:54:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 00:54:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 00:54:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 00:54:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 00:54:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 00:54:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 00:54:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 00:54:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 00:54:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 00:54:49,009 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 00:54:49,011 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 00:54:49,195 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-22 00:54:49,196 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 00:54:49,214 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 00:54:49,216 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-22 00:54:49,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:54:49 BoogieIcfgContainer [2024-11-22 00:54:49,217 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 00:54:49,219 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 00:54:49,220 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 00:54:49,223 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 00:54:49,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:54:48" (1/3) ... [2024-11-22 00:54:49,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a975aae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:54:49, skipping insertion in model container [2024-11-22 00:54:49,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:54:48" (2/3) ... [2024-11-22 00:54:49,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a975aae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:54:49, skipping insertion in model container [2024-11-22 00:54:49,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:54:49" (3/3) ... [2024-11-22 00:54:49,230 INFO L112 eAbstractionObserver]: Analyzing ICFG sll2c_remove_all_reverse.i [2024-11-22 00:54:49,248 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 00:54:49,248 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 00:54:49,302 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 00:54:49,308 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;@7a4d322, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 00:54:49,308 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 00:54:49,313 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) [2024-11-22 00:54:49,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-22 00:54:49,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 00:54:49,322 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 00:54:49,322 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 00:54:49,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 00:54:49,328 INFO L85 PathProgramCache]: Analyzing trace with hash 18959570, now seen corresponding path program 1 times [2024-11-22 00:54:49,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 00:54:49,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720681355] [2024-11-22 00:54:49,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 00:54:49,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 00:54:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 00:54:49,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 00:54:49,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 00:54:49,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720681355] [2024-11-22 00:54:49,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720681355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 00:54:49,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 00:54:49,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 00:54:49,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195899594] [2024-11-22 00:54:49,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 00:54:49,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 00:54:49,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 00:54:49,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 00:54:49,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 00:54:49,655 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) [2024-11-22 00:54:49,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 00:54:49,672 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2024-11-22 00:54:49,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 00:54:49,674 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 [2024-11-22 00:54:49,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 00:54:49,680 INFO L225 Difference]: With dead ends: 51 [2024-11-22 00:54:49,680 INFO L226 Difference]: Without dead ends: 28 [2024-11-22 00:54:49,682 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 [2024-11-22 00:54:49,686 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 [2024-11-22 00:54:49,687 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] [2024-11-22 00:54:49,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-22 00:54:49,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-22 00:54:49,722 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) [2024-11-22 00:54:49,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2024-11-22 00:54:49,725 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 16 [2024-11-22 00:54:49,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 00:54:49,726 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2024-11-22 00:54:49,726 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) [2024-11-22 00:54:49,726 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2024-11-22 00:54:49,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-22 00:54:49,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 00:54:49,728 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 00:54:49,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 00:54:49,728 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 00:54:49,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 00:54:49,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1012316651, now seen corresponding path program 1 times [2024-11-22 00:54:49,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 00:54:49,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667474212] [2024-11-22 00:54:49,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 00:54:49,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 00:54:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 00:54:49,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 00:54:49,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 00:54:49,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667474212] [2024-11-22 00:54:49,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667474212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 00:54:49,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 00:54:49,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 00:54:49,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494857173] [2024-11-22 00:54:49,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 00:54:49,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 00:54:49,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 00:54:49,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 00:54:49,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 00:54:49,959 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) [2024-11-22 00:54:49,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 00:54:49,976 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2024-11-22 00:54:49,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 00:54:49,977 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 [2024-11-22 00:54:49,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 00:54:49,978 INFO L225 Difference]: With dead ends: 47 [2024-11-22 00:54:49,979 INFO L226 Difference]: Without dead ends: 31 [2024-11-22 00:54:49,980 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 [2024-11-22 00:54:49,981 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 [2024-11-22 00:54:49,983 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] [2024-11-22 00:54:49,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-22 00:54:49,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2024-11-22 00:54:49,990 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) [2024-11-22 00:54:49,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2024-11-22 00:54:49,992 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 16 [2024-11-22 00:54:49,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 00:54:49,993 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2024-11-22 00:54:49,993 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) [2024-11-22 00:54:49,993 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2024-11-22 00:54:49,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-22 00:54:49,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 00:54:49,995 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] [2024-11-22 00:54:49,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 00:54:49,996 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 00:54:49,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 00:54:49,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1534086739, now seen corresponding path program 1 times [2024-11-22 00:54:49,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 00:54:49,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241989766] [2024-11-22 00:54:49,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 00:54:49,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 00:54:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 00:54:50,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-22 00:54:50,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 00:54:50,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241989766] [2024-11-22 00:54:50,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241989766] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 00:54:50,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892409331] [2024-11-22 00:54:50,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 00:54:50,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 00:54:50,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 00:54:50,265 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) [2024-11-22 00:54:50,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 00:54:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 00:54:50,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 00:54:50,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 00:54:50,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 00:54:50,481 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 00:54:50,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892409331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 00:54:50,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 00:54:50,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-22 00:54:50,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317786851] [2024-11-22 00:54:50,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 00:54:50,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 00:54:50,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 00:54:50,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 00:54:50,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 00:54:50,483 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) [2024-11-22 00:54:50,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 00:54:50,519 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2024-11-22 00:54:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 00:54:50,521 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 [2024-11-22 00:54:50,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 00:54:50,522 INFO L225 Difference]: With dead ends: 43 [2024-11-22 00:54:50,522 INFO L226 Difference]: Without dead ends: 39 [2024-11-22 00:54:50,523 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 [2024-11-22 00:54:50,524 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 [2024-11-22 00:54:50,525 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] [2024-11-22 00:54:50,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-22 00:54:50,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 30. [2024-11-22 00:54:50,531 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) [2024-11-22 00:54:50,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2024-11-22 00:54:50,532 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 24 [2024-11-22 00:54:50,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 00:54:50,532 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2024-11-22 00:54:50,533 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) [2024-11-22 00:54:50,533 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2024-11-22 00:54:50,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-22 00:54:50,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 00:54:50,534 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] [2024-11-22 00:54:50,543 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 00:54:50,734 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 [2024-11-22 00:54:50,735 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 00:54:50,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 00:54:50,735 INFO L85 PathProgramCache]: Analyzing trace with hash -336289866, now seen corresponding path program 1 times [2024-11-22 00:54:50,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 00:54:50,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076412636] [2024-11-22 00:54:50,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 00:54:50,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 00:54:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 00:54:50,967 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-22 00:54:50,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 00:54:50,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076412636] [2024-11-22 00:54:50,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076412636] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 00:54:50,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913139684] [2024-11-22 00:54:50,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 00:54:50,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 00:54:50,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 00:54:50,970 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) [2024-11-22 00:54:50,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 00:54:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 00:54:51,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 00:54:51,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 00:54:51,215 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 00:54:51,216 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 00:54:51,294 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 00:54:51,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913139684] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 00:54:51,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 00:54:51,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-11-22 00:54:51,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022508762] [2024-11-22 00:54:51,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 00:54:51,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 00:54:51,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 00:54:51,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 00:54:51,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-22 00:54:51,297 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) [2024-11-22 00:54:51,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 00:54:51,360 INFO L93 Difference]: Finished difference Result 55 states and 67 transitions. [2024-11-22 00:54:51,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 00:54:51,361 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 [2024-11-22 00:54:51,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 00:54:51,363 INFO L225 Difference]: With dead ends: 55 [2024-11-22 00:54:51,364 INFO L226 Difference]: Without dead ends: 51 [2024-11-22 00:54:51,365 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 [2024-11-22 00:54:51,366 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 [2024-11-22 00:54:51,366 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] [2024-11-22 00:54:51,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-22 00:54:51,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 40. [2024-11-22 00:54:51,373 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) [2024-11-22 00:54:51,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2024-11-22 00:54:51,374 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 31 [2024-11-22 00:54:51,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 00:54:51,374 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2024-11-22 00:54:51,375 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) [2024-11-22 00:54:51,375 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2024-11-22 00:54:51,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-22 00:54:51,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 00:54:51,376 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] [2024-11-22 00:54:51,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 00:54:51,576 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 [2024-11-22 00:54:51,577 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 00:54:51,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 00:54:51,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1253213581, now seen corresponding path program 2 times [2024-11-22 00:54:51,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 00:54:51,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602348208] [2024-11-22 00:54:51,579 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 00:54:51,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 00:54:51,615 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 00:54:51,615 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 00:54:51,830 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-22 00:54:51,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 00:54:51,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602348208] [2024-11-22 00:54:51,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602348208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 00:54:51,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 00:54:51,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 00:54:51,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901395091] [2024-11-22 00:54:51,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 00:54:51,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 00:54:51,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 00:54:51,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 00:54:51,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 00:54:51,835 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) [2024-11-22 00:54:51,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 00:54:51,906 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2024-11-22 00:54:51,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 00:54:51,926 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 [2024-11-22 00:54:51,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 00:54:51,927 INFO L225 Difference]: With dead ends: 57 [2024-11-22 00:54:51,927 INFO L226 Difference]: Without dead ends: 40 [2024-11-22 00:54:51,927 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 [2024-11-22 00:54:51,928 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 00:54:51,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 104 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 00:54:51,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-22 00:54:51,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-22 00:54:51,939 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) [2024-11-22 00:54:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2024-11-22 00:54:51,941 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 38 [2024-11-22 00:54:51,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 00:54:51,943 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2024-11-22 00:54:51,943 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) [2024-11-22 00:54:51,943 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2024-11-22 00:54:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-22 00:54:51,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 00:54:51,945 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] [2024-11-22 00:54:51,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 00:54:51,946 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 00:54:51,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 00:54:51,946 INFO L85 PathProgramCache]: Analyzing trace with hash -180232099, now seen corresponding path program 1 times [2024-11-22 00:54:51,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 00:54:51,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038480460] [2024-11-22 00:54:51,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 00:54:51,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 00:54:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 00:54:52,080 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 00:54:52,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 00:54:52,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038480460] [2024-11-22 00:54:52,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038480460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 00:54:52,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 00:54:52,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 00:54:52,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720591361] [2024-11-22 00:54:52,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 00:54:52,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 00:54:52,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 00:54:52,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 00:54:52,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 00:54:52,085 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) [2024-11-22 00:54:52,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 00:54:52,133 INFO L93 Difference]: Finished difference Result 68 states and 79 transitions. [2024-11-22 00:54:52,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 00:54:52,133 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 [2024-11-22 00:54:52,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 00:54:52,134 INFO L225 Difference]: With dead ends: 68 [2024-11-22 00:54:52,134 INFO L226 Difference]: Without dead ends: 44 [2024-11-22 00:54:52,135 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 [2024-11-22 00:54:52,135 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 [2024-11-22 00:54:52,136 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] [2024-11-22 00:54:52,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-22 00:54:52,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-22 00:54:52,146 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) [2024-11-22 00:54:52,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2024-11-22 00:54:52,148 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 44 [2024-11-22 00:54:52,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 00:54:52,148 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2024-11-22 00:54:52,148 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) [2024-11-22 00:54:52,149 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2024-11-22 00:54:52,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-22 00:54:52,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 00:54:52,151 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] [2024-11-22 00:54:52,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 00:54:52,152 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 00:54:52,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 00:54:52,152 INFO L85 PathProgramCache]: Analyzing trace with hash 246982931, now seen corresponding path program 1 times [2024-11-22 00:54:52,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 00:54:52,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136795505] [2024-11-22 00:54:52,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 00:54:52,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 00:54:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 00:54:52,598 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 00:54:52,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 00:54:52,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136795505] [2024-11-22 00:54:52,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136795505] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 00:54:52,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446033124] [2024-11-22 00:54:52,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 00:54:52,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 00:54:52,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 00:54:52,602 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) [2024-11-22 00:54:52,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 00:54:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 00:54:52,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-22 00:54:52,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 00:54:53,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-22 00:54:53,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-11-22 00:54:54,165 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 109 treesize of output 65 [2024-11-22 00:54:54,348 INFO L349 Elim1Store]: treesize reduction 15, result has 75.4 percent of original size [2024-11-22 00:54:54,348 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 87 [2024-11-22 00:54:54,376 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 00:54:54,377 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 50 treesize of output 54 [2024-11-22 00:54:54,781 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-22 00:54:54,781 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 00:54:55,294 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 00:54:55,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 285 treesize of output 245 [2024-11-22 00:54:55,483 INFO L349 Elim1Store]: treesize reduction 61, result has 77.2 percent of original size [2024-11-22 00:54:55,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 556 treesize of output 637 [2024-11-22 00:54:58,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-22 00:54:58,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-22 00:54:58,229 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 109 treesize of output 93 [2024-11-22 00:54:58,233 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-22 00:54:58,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-22 00:54:58,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-22 00:54:58,238 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-22 00:54:58,244 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 00:54:58,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 60 [2024-11-22 00:54:58,377 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 00:54:58,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446033124] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 00:54:58,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 00:54:58,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 20, 12] total 35 [2024-11-22 00:54:58,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345643967] [2024-11-22 00:54:58,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 00:54:58,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-22 00:54:58,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 00:54:58,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-22 00:54:58,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1025, Unknown=5, NotChecked=0, Total=1190 [2024-11-22 00:54:58,381 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand has 35 states, 35 states have (on average 2.5714285714285716) internal successors, (90), 33 states have internal predecessors, (90), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 00:54:58,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 00:54:58,787 INFO L93 Difference]: Finished difference Result 75 states and 86 transitions. [2024-11-22 00:54:58,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 00:54:58,788 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.5714285714285716) internal successors, (90), 33 states have internal predecessors, (90), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 48 [2024-11-22 00:54:58,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 00:54:58,789 INFO L225 Difference]: With dead ends: 75 [2024-11-22 00:54:58,789 INFO L226 Difference]: Without dead ends: 53 [2024-11-22 00:54:58,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=195, Invalid=1206, Unknown=5, NotChecked=0, Total=1406 [2024-11-22 00:54:58,790 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 33 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 00:54:58,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 306 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 00:54:58,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-22 00:54:58,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2024-11-22 00:54:58,797 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) [2024-11-22 00:54:58,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions. [2024-11-22 00:54:58,798 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 59 transitions. Word has length 48 [2024-11-22 00:54:58,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 00:54:58,798 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 59 transitions. [2024-11-22 00:54:58,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.5714285714285716) internal successors, (90), 33 states have internal predecessors, (90), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 00:54:58,799 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2024-11-22 00:54:58,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-22 00:54:58,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 00:54:58,800 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] [2024-11-22 00:54:58,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-22 00:54:59,000 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 [2024-11-22 00:54:59,001 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 00:54:59,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 00:54:59,002 INFO L85 PathProgramCache]: Analyzing trace with hash 531611278, now seen corresponding path program 1 times [2024-11-22 00:54:59,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 00:54:59,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107271450] [2024-11-22 00:54:59,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 00:54:59,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 00:54:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 00:54:59,162 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-22 00:54:59,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 00:54:59,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107271450] [2024-11-22 00:54:59,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107271450] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 00:54:59,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208328502] [2024-11-22 00:54:59,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 00:54:59,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 00:54:59,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 00:54:59,166 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) [2024-11-22 00:54:59,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 00:54:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 00:54:59,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-22 00:54:59,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 00:54:59,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2024-11-22 00:54:59,639 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 [2024-11-22 00:54:59,669 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-22 00:54:59,669 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 00:54:59,863 INFO L349 Elim1Store]: treesize reduction 15, result has 70.0 percent of original size [2024-11-22 00:54:59,864 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 66 [2024-11-22 00:54:59,873 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2024-11-22 00:54:59,873 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 23 treesize of output 7 [2024-11-22 00:54:59,892 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 00:54:59,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208328502] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 00:54:59,893 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 00:54:59,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 13, 8] total 22 [2024-11-22 00:54:59,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353816979] [2024-11-22 00:54:59,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 00:54:59,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-22 00:54:59,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 00:54:59,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-22 00:54:59,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2024-11-22 00:54:59,895 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. Second operand has 22 states, 22 states have (on average 2.8181818181818183) internal successors, (62), 21 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 00:55:00,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 00:55:00,224 INFO L93 Difference]: Finished difference Result 94 states and 109 transitions. [2024-11-22 00:55:00,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 00:55:00,225 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.8181818181818183) internal successors, (62), 21 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2024-11-22 00:55:00,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 00:55:00,225 INFO L225 Difference]: With dead ends: 94 [2024-11-22 00:55:00,225 INFO L226 Difference]: Without dead ends: 62 [2024-11-22 00:55:00,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2024-11-22 00:55:00,227 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 19 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 00:55:00,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 328 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 00:55:00,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-22 00:55:00,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2024-11-22 00:55:00,236 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) [2024-11-22 00:55:00,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 68 transitions. [2024-11-22 00:55:00,237 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 68 transitions. Word has length 50 [2024-11-22 00:55:00,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 00:55:00,238 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 68 transitions. [2024-11-22 00:55:00,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.8181818181818183) internal successors, (62), 21 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 00:55:00,238 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2024-11-22 00:55:00,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 00:55:00,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 00:55:00,239 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] [2024-11-22 00:55:00,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-22 00:55:00,439 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 [2024-11-22 00:55:00,440 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 00:55:00,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 00:55:00,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1766412247, now seen corresponding path program 2 times [2024-11-22 00:55:00,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 00:55:00,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66348822] [2024-11-22 00:55:00,441 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 00:55:00,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 00:55:00,483 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 00:55:00,483 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 00:55:01,703 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 00:55:01,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 00:55:01,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66348822] [2024-11-22 00:55:01,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66348822] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 00:55:01,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8788576] [2024-11-22 00:55:01,704 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 00:55:01,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 00:55:01,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 00:55:01,707 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) [2024-11-22 00:55:01,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 00:55:01,895 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 00:55:01,896 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 00:55:01,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 114 conjuncts are in the unsatisfiable core [2024-11-22 00:55:01,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 00:55:01,924 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 [2024-11-22 00:55:02,082 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 [2024-11-22 00:55:02,135 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-22 00:55:02,135 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 [2024-11-22 00:55:02,187 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 [2024-11-22 00:55:02,195 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 [2024-11-22 00:55:02,262 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-11-22 00:55:02,262 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 [2024-11-22 00:55:02,266 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 [2024-11-22 00:55:02,699 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-22 00:55:02,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-22 00:55:02,700 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-22 00:55:02,701 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-22 00:55:02,707 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-22 00:55:02,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 1 [2024-11-22 00:55:02,709 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 00:55:02,709 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 00:55:02,854 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 [2024-11-22 00:55:02,857 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 [2024-11-22 00:55:02,987 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 00:55:02,988 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 [2024-11-22 00:55:03,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8788576] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 00:55:03,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 00:55:03,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17] total 35 [2024-11-22 00:55:03,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947421805] [2024-11-22 00:55:03,295 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 00:55:03,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-22 00:55:03,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 00:55:03,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-22 00:55:03,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1657, Unknown=0, NotChecked=0, Total=1806 [2024-11-22 00:55:03,302 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) [2024-11-22 00:55:03,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 00:55:03,676 INFO L93 Difference]: Finished difference Result 111 states and 128 transitions. [2024-11-22 00:55:03,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 00:55:03,676 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 [2024-11-22 00:55:03,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 00:55:03,678 INFO L225 Difference]: With dead ends: 111 [2024-11-22 00:55:03,678 INFO L226 Difference]: Without dead ends: 64 [2024-11-22 00:55:03,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=173, Invalid=1897, Unknown=0, NotChecked=0, Total=2070 [2024-11-22 00:55:03,680 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 21 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 00:55:03,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 353 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 00:55:03,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-22 00:55:03,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2024-11-22 00:55:03,693 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) [2024-11-22 00:55:03,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2024-11-22 00:55:03,694 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 52 [2024-11-22 00:55:03,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 00:55:03,694 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2024-11-22 00:55:03,694 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) [2024-11-22 00:55:03,695 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2024-11-22 00:55:03,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-22 00:55:03,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 00:55:03,696 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] [2024-11-22 00:55:03,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 00:55:03,896 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 [2024-11-22 00:55:03,897 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 00:55:03,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 00:55:03,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1302933441, now seen corresponding path program 3 times [2024-11-22 00:55:03,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 00:55:03,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126680836] [2024-11-22 00:55:03,897 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 00:55:03,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 00:55:03,919 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-22 00:55:03,920 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 00:55:03,982 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-22 00:55:03,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 00:55:03,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126680836] [2024-11-22 00:55:03,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126680836] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 00:55:03,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724796797] [2024-11-22 00:55:03,983 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 00:55:03,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 00:55:03,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 00:55:03,986 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) [2024-11-22 00:55:03,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 00:55:04,134 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-22 00:55:04,134 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 00:55:04,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 00:55:04,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 00:55:04,163 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-22 00:55:04,164 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 00:55:04,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724796797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 00:55:04,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 00:55:04,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-22 00:55:04,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482958247] [2024-11-22 00:55:04,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 00:55:04,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 00:55:04,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 00:55:04,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 00:55:04,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 00:55:04,169 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) [2024-11-22 00:55:04,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 00:55:04,180 INFO L93 Difference]: Finished difference Result 68 states and 76 transitions. [2024-11-22 00:55:04,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 00:55:04,181 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 [2024-11-22 00:55:04,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 00:55:04,181 INFO L225 Difference]: With dead ends: 68 [2024-11-22 00:55:04,181 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 00:55:04,182 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 [2024-11-22 00:55:04,182 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 [2024-11-22 00:55:04,182 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] [2024-11-22 00:55:04,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 00:55:04,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 00:55:04,183 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) [2024-11-22 00:55:04,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 00:55:04,183 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2024-11-22 00:55:04,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 00:55:04,183 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 00:55:04,184 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) [2024-11-22 00:55:04,184 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 00:55:04,184 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 00:55:04,188 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 00:55:04,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-22 00:55:04,389 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 [2024-11-22 00:55:04,393 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1] [2024-11-22 00:55:04,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-22 00:55:04,781 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 00:55:04,795 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-22 00:55:04,796 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-22 00:55:04,796 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-22 00:55:04,797 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-22 00:55:04,797 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-22 00:55:04,797 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-22 00:55:04,797 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-22 00:55:04,797 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~1!base [2024-11-22 00:55:04,798 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-22 00:55:04,798 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-22 00:55:04,798 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-22 00:55:04,798 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-22 00:55:04,798 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-22 00:55:04,798 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-22 00:55:04,798 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]],[IntegerLiteral[0]]]]] [2024-11-22 00:55:04,799 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-22 00:55:04,799 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-22 00:55:04,799 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-22 00:55:04,799 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-22 00:55:04,799 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-22 00:55:04,799 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-22 00:55:04,800 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-22 00:55:04,800 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-22 00:55:04,800 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-22 00:55:04,800 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-22 00:55:04,800 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~1!offset [2024-11-22 00:55:04,800 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-22 00:55:04,800 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-22 00:55:04,800 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]],[IntegerLiteral[0]]]]] [2024-11-22 00:55:04,801 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-22 00:55:04,801 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-22 00:55:04,801 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-22 00:55:04,801 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-22 00:55:04,801 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-22 00:55:04,801 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-22 00:55:04,802 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-22 00:55:04,802 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-22 00:55:04,802 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-22 00:55:04,802 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-22 00:55:04,802 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-22 00:55:04,802 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-22 00:55:04,802 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-22 00:55:04,803 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-22 00:55:04,803 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-22 00:55:04,803 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-22 00:55:04,803 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-22 00:55:04,803 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-22 00:55:04,804 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-22 00:55:04,804 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-22 00:55:04,804 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-22 00:55:04,804 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~1!base [2024-11-22 00:55:04,804 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-22 00:55:04,804 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-22 00:55:04,804 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-22 00:55:04,804 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-22 00:55:04,805 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-22 00:55:04,805 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-22 00:55:04,805 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-22 00:55:04,805 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-22 00:55:04,805 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-22 00:55:04,805 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-22 00:55:04,805 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-22 00:55:04,806 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~1!offset [2024-11-22 00:55:04,806 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-22 00:55:04,806 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-22 00:55:04,806 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-22 00:55:04,806 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-22 00:55:04,806 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-22 00:55:04,807 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-22 00:55:04,807 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-22 00:55:04,807 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-22 00:55:04,807 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~1!offset [2024-11-22 00:55:04,807 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-22 00:55:04,807 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-22 00:55:04,808 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~head!base,]]],[IntegerLiteral[0]]]]] [2024-11-22 00:55:04,808 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-22 00:55:04,808 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-22 00:55:04,808 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-22 00:55:04,808 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-22 00:55:04,808 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-22 00:55:04,808 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-22 00:55:04,809 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-22 00:55:04,809 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-22 00:55:04,809 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]],[IntegerLiteral[0]]]]] [2024-11-22 00:55:04,809 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-22 00:55:04,809 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-22 00:55:04,809 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-22 00:55:04,809 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-22 00:55:04,810 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-22 00:55:04,810 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-22 00:55:04,810 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-22 00:55:04,810 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-22 00:55:04,810 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-22 00:55:04,810 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~head!base,]]],[IntegerLiteral[0]]]]] [2024-11-22 00:55:04,810 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~1!base [2024-11-22 00:55:04,811 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-22 00:55:04,811 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-22 00:55:04,811 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]],[IntegerLiteral[0]]]]] [2024-11-22 00:55:04,812 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-22 00:55:04,812 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-22 00:55:04,813 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[IdentifierExpression[~head~0!base,]]] [2024-11-22 00:55:04,813 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-22 00:55:04,813 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~0!offset [2024-11-22 00:55:04,813 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-22 00:55:04,813 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-22 00:55:04,813 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~head~0!base,]]] [2024-11-22 00:55:04,814 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~0!base [2024-11-22 00:55:04,814 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-22 00:55:04,814 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-22 00:55:04,814 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~0!base [2024-11-22 00:55:04,814 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-22 00:55:04,814 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~0!offset [2024-11-22 00:55:04,814 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-22 00:55:04,814 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-22 00:55:04,814 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-22 00:55:04,815 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~0!base [2024-11-22 00:55:04,815 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-22 00:55:04,818 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-22 00:55:04,818 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-22 00:55:04,818 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-22 00:55:04,818 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-22 00:55:04,818 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-22 00:55:04,819 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]],[IntegerLiteral[0]]]]] [2024-11-22 00:55:04,819 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-22 00:55:04,819 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-22 00:55:04,819 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-22 00:55:04,819 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-22 00:55:04,819 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-22 00:55:04,820 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-22 00:55:04,820 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-22 00:55:04,820 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-22 00:55:04,820 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-22 00:55:04,820 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]],[IntegerLiteral[0]]]]] [2024-11-22 00:55:04,820 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-22 00:55:04,821 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-22 00:55:04,821 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-22 00:55:04,821 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-22 00:55:04,821 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-22 00:55:04,821 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-22 00:55:04,821 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-22 00:55:04,821 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-22 00:55:04,822 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-22 00:55:04,822 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-22 00:55:04,822 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-22 00:55:04,822 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-22 00:55:04,822 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-22 00:55:04,822 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-22 00:55:04,823 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-22 00:55:04,823 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-22 00:55:04,823 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-22 00:55:04,823 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-22 00:55:04,823 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-22 00:55:04,825 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-22 00:55:04,825 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-22 00:55:04,825 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-22 00:55:04,825 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~snd_to_last~0!base [2024-11-22 00:55:04,825 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-22 00:55:04,826 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-22 00:55:04,826 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-22 00:55:04,826 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-22 00:55:04,826 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~snd_to_last~0!offset [2024-11-22 00:55:04,826 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-22 00:55:04,826 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-22 00:55:04,826 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-22 00:55:04,827 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-22 00:55:04,827 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-22 00:55:04,827 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-22 00:55:04,827 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-22 00:55:04,827 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-22 00:55:04,827 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-22 00:55:04,828 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-22 00:55:04,828 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-22 00:55:04,828 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-22 00:55:04,828 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-22 00:55:04,828 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-22 00:55:04,828 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-22 00:55:04,828 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-22 00:55:04,829 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-22 00:55:04,829 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-22 00:55:04,829 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-22 00:55:04,829 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-22 00:55:04,829 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-22 00:55:04,829 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-22 00:55:04,831 WARN L156 FloydHoareUtils]: Requires clause for node_create contained old-variable. Original clause: (= |old(#valid)| |#valid|) Eliminated clause: true [2024-11-22 00:55:04,833 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-22 00:55:04,834 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-22 00:55:04,834 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[IdentifierExpression[#res!base,]]] [2024-11-22 00:55:04,834 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-22 00:55:04,834 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#valid,GLOBAL]] [2024-11-22 00:55:04,834 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!offset [2024-11-22 00:55:04,835 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-22 00:55:04,835 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-22 00:55:04,837 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-22 00:55:04,837 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-22 00:55:04,837 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-22 00:55:04,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:55:04 BoogieIcfgContainer [2024-11-22 00:55:04,838 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 00:55:04,839 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 00:55:04,839 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 00:55:04,839 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 00:55:04,840 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:54:49" (3/4) ... [2024-11-22 00:55:04,844 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 00:55:04,848 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create [2024-11-22 00:55:04,852 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-22 00:55:04,852 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 00:55:04,853 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 00:55:04,853 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 00:55:04,933 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 00:55:04,934 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 00:55:04,934 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 00:55:04,935 INFO L158 Benchmark]: Toolchain (without parser) took 16767.91ms. Allocated memory was 132.1MB in the beginning and 373.3MB in the end (delta: 241.2MB). Free memory was 76.5MB in the beginning and 281.0MB in the end (delta: -204.4MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2024-11-22 00:55:04,935 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 132.1MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 00:55:04,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.68ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 76.3MB in the beginning and 146.0MB in the end (delta: -69.7MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-11-22 00:55:04,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.13ms. Allocated memory is still 178.3MB. Free memory was 145.0MB in the beginning and 143.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 00:55:04,935 INFO L158 Benchmark]: Boogie Preprocessor took 50.34ms. Allocated memory is still 178.3MB. Free memory was 143.0MB in the beginning and 140.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 00:55:04,936 INFO L158 Benchmark]: RCFGBuilder took 414.07ms. Allocated memory is still 178.3MB. Free memory was 140.8MB in the beginning and 123.0MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-22 00:55:04,936 INFO L158 Benchmark]: TraceAbstraction took 15619.31ms. Allocated memory was 178.3MB in the beginning and 373.3MB in the end (delta: 195.0MB). Free memory was 123.0MB in the beginning and 286.2MB in the end (delta: -163.2MB). Peak memory consumption was 201.6MB. Max. memory is 16.1GB. [2024-11-22 00:55:04,936 INFO L158 Benchmark]: Witness Printer took 95.10ms. Allocated memory is still 373.3MB. Free memory was 286.2MB in the beginning and 281.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 00:55:04,938 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 132.1MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.68ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 76.3MB in the beginning and 146.0MB in the end (delta: -69.7MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.13ms. Allocated memory is still 178.3MB. Free memory was 145.0MB in the beginning and 143.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.34ms. Allocated memory is still 178.3MB. Free memory was 143.0MB in the beginning and 140.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.07ms. Allocated memory is still 178.3MB. Free memory was 140.8MB in the beginning and 123.0MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 15619.31ms. Allocated memory was 178.3MB in the beginning and 373.3MB in the end (delta: 195.0MB). Free memory was 123.0MB in the beginning and 286.2MB in the end (delta: -163.2MB). Peak memory consumption was 201.6MB. Max. memory is 16.1GB. * Witness Printer took 95.10ms. Allocated memory is still 373.3MB. Free memory was 286.2MB in the beginning and 281.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~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: ~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: #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_$Pointer$#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_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]],[IntegerLiteral[0]]]]] - 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: #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: ~head~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~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: ~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: #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: #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.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_$Pointer$#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[~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: ~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_$Pointer$#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: Expression type not yet supported in backtranslation: QuantifierExpression - 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: 15.1s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 205 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 201 mSDsluCounter, 1456 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1195 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1275 IncrementalHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 261 mSDtfsCounter, 1275 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 501 GetRequests, 372 SyntacticMatches, 2 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=9, InterpolantAutomatonStates: 75, 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, 26 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 644 NumberOfCodeBlocks, 592 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 754 ConstructedInterpolants, 18 QuantifiedInterpolants, 6202 SizeOfPredicates, 28 NumberOfNonLiveVariables, 1850 ConjunctsInSsa, 264 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 378/434 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 <= 1)) || ((2 == len) && (len == 2))) - 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! [2024-11-22 00:55:04,982 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