./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_insert_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_insert_unequal.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 97351642d4f3bf3f6d868e0a3719427b4c33bd5e0f87a93a325784728b912f03 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 01:52:38,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 01:52:38,199 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 01:52:38,203 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 01:52:38,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 01:52:38,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 01:52:38,233 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 01:52:38,233 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 01:52:38,234 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 01:52:38,234 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 01:52:38,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 01:52:38,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 01:52:38,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 01:52:38,236 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 01:52:38,236 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 01:52:38,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 01:52:38,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 01:52:38,238 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 01:52:38,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 01:52:38,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 01:52:38,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 01:52:38,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 01:52:38,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 01:52:38,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 01:52:38,240 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 01:52:38,240 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 01:52:38,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 01:52:38,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 01:52:38,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 01:52:38,241 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 01:52:38,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 01:52:38,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 01:52:38,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 01:52:38,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 01:52:38,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 01:52:38,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 01:52:38,248 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 01:52:38,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 01:52:38,249 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 01:52:38,249 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 01:52:38,249 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 01:52:38,249 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 01:52:38,249 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97351642d4f3bf3f6d868e0a3719427b4c33bd5e0f87a93a325784728b912f03 [2024-10-14 01:52:38,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 01:52:38,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 01:52:38,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 01:52:38,607 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 01:52:38,608 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 01:52:38,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_insert_unequal.i [2024-10-14 01:52:40,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 01:52:40,334 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 01:52:40,334 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_insert_unequal.i [2024-10-14 01:52:40,347 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bca92553d/513a8ff4d9824c71a76ca7e5ce1f5aa9/FLAG263ab5066 [2024-10-14 01:52:40,359 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bca92553d/513a8ff4d9824c71a76ca7e5ce1f5aa9 [2024-10-14 01:52:40,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 01:52:40,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 01:52:40,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 01:52:40,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 01:52:40,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 01:52:40,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:52:40" (1/1) ... [2024-10-14 01:52:40,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a76eab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:52:40, skipping insertion in model container [2024-10-14 01:52:40,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:52:40" (1/1) ... [2024-10-14 01:52:40,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 01:52:40,726 WARN L248 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/dll2n_insert_unequal.i[24989,25002] [2024-10-14 01:52:40,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 01:52:40,746 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 01:52:40,807 WARN L248 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/dll2n_insert_unequal.i[24989,25002] [2024-10-14 01:52:40,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 01:52:40,836 INFO L204 MainTranslator]: Completed translation [2024-10-14 01:52:40,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:52:40 WrapperNode [2024-10-14 01:52:40,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 01:52:40,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 01:52:40,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 01:52:40,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 01:52:40,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:52:40" (1/1) ... [2024-10-14 01:52:40,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:52:40" (1/1) ... [2024-10-14 01:52:40,891 INFO L138 Inliner]: procedures = 127, calls = 48, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 168 [2024-10-14 01:52:40,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 01:52:40,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 01:52:40,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 01:52:40,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 01:52:40,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:52:40" (1/1) ... [2024-10-14 01:52:40,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:52:40" (1/1) ... [2024-10-14 01:52:40,926 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:52:40" (1/1) ... [2024-10-14 01:52:40,947 INFO L175 MemorySlicer]: Split 31 memory accesses to 3 slices as follows [2, 8, 21]. 68 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1, 0]. The 14 writes are split as follows [0, 1, 13]. [2024-10-14 01:52:40,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:52:40" (1/1) ... [2024-10-14 01:52:40,948 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:52:40" (1/1) ... [2024-10-14 01:52:40,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:52:40" (1/1) ... [2024-10-14 01:52:40,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:52:40" (1/1) ... [2024-10-14 01:52:40,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:52:40" (1/1) ... [2024-10-14 01:52:40,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:52:40" (1/1) ... [2024-10-14 01:52:40,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 01:52:40,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 01:52:40,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 01:52:40,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 01:52:40,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:52:40" (1/1) ... [2024-10-14 01:52:41,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 01:52:41,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 01:52:41,030 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) [2024-10-14 01:52:41,033 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 [2024-10-14 01:52:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2024-10-14 01:52:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2024-10-14 01:52:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 01:52:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 01:52:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 01:52:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 01:52:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 01:52:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 01:52:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 01:52:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 01:52:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 01:52:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-14 01:52:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-14 01:52:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-14 01:52:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-14 01:52:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-14 01:52:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-14 01:52:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 01:52:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-14 01:52:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-14 01:52:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-14 01:52:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 01:52:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 01:52:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 01:52:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 01:52:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 01:52:41,211 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 01:52:41,213 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 01:52:41,230 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2024-10-14 01:52:41,454 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-10-14 01:52:41,455 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 01:52:41,498 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 01:52:41,498 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-14 01:52:41,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:52:41 BoogieIcfgContainer [2024-10-14 01:52:41,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 01:52:41,507 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 01:52:41,507 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 01:52:41,510 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 01:52:41,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 01:52:40" (1/3) ... [2024-10-14 01:52:41,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44167500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 01:52:41, skipping insertion in model container [2024-10-14 01:52:41,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:52:40" (2/3) ... [2024-10-14 01:52:41,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44167500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 01:52:41, skipping insertion in model container [2024-10-14 01:52:41,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:52:41" (3/3) ... [2024-10-14 01:52:41,514 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2n_insert_unequal.i [2024-10-14 01:52:41,530 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 01:52:41,530 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 01:52:41,574 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 01:52:41,579 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;@68f21ff2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 01:52:41,579 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 01:52:41,582 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 28 states have (on average 1.75) internal successors, (49), 30 states have internal predecessors, (49), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 01:52:41,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-14 01:52:41,587 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 01:52:41,587 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 01:52:41,588 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 01:52:41,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 01:52:41,592 INFO L85 PathProgramCache]: Analyzing trace with hash 221915133, now seen corresponding path program 1 times [2024-10-14 01:52:41,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 01:52:41,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170602927] [2024-10-14 01:52:41,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:41,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 01:52:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:41,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 01:52:41,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 01:52:41,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170602927] [2024-10-14 01:52:41,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170602927] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 01:52:41,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 01:52:41,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 01:52:41,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127931349] [2024-10-14 01:52:41,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 01:52:41,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 01:52:41,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 01:52:41,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 01:52:41,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 01:52:41,804 INFO L87 Difference]: Start difference. First operand has 32 states, 28 states have (on average 1.75) internal successors, (49), 30 states have internal predecessors, (49), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2024-10-14 01:52:41,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 01:52:41,832 INFO L93 Difference]: Finished difference Result 57 states and 91 transitions. [2024-10-14 01:52:41,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 01:52:41,834 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) Word has length 12 [2024-10-14 01:52:41,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 01:52:41,841 INFO L225 Difference]: With dead ends: 57 [2024-10-14 01:52:41,841 INFO L226 Difference]: Without dead ends: 24 [2024-10-14 01:52:41,844 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 [2024-10-14 01:52:41,847 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 01:52:41,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 41 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 01:52:41,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-10-14 01:52:41,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-10-14 01:52:41,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 23 states have internal predecessors, (34), 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) [2024-10-14 01:52:41,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 34 transitions. [2024-10-14 01:52:41,879 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 34 transitions. Word has length 12 [2024-10-14 01:52:41,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 01:52:41,879 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 34 transitions. [2024-10-14 01:52:41,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2024-10-14 01:52:41,880 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-10-14 01:52:41,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-14 01:52:41,881 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 01:52:41,881 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 01:52:41,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 01:52:41,881 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 01:52:41,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 01:52:41,882 INFO L85 PathProgramCache]: Analyzing trace with hash 4252586, now seen corresponding path program 1 times [2024-10-14 01:52:41,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 01:52:41,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518433860] [2024-10-14 01:52:41,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:41,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 01:52:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:42,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 01:52:42,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 01:52:42,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518433860] [2024-10-14 01:52:42,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518433860] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 01:52:42,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 01:52:42,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 01:52:42,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501238955] [2024-10-14 01:52:42,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 01:52:42,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 01:52:42,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 01:52:42,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 01:52:42,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 01:52:42,064 INFO L87 Difference]: Start difference. First operand 24 states and 34 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2024-10-14 01:52:42,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 01:52:42,093 INFO L93 Difference]: Finished difference Result 47 states and 67 transitions. [2024-10-14 01:52:42,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 01:52:42,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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) Word has length 12 [2024-10-14 01:52:42,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 01:52:42,095 INFO L225 Difference]: With dead ends: 47 [2024-10-14 01:52:42,095 INFO L226 Difference]: Without dead ends: 29 [2024-10-14 01:52:42,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 01:52:42,096 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 5 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 01:52:42,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 57 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 01:52:42,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-10-14 01:52:42,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 25. [2024-10-14 01:52:42,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 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) [2024-10-14 01:52:42,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 35 transitions. [2024-10-14 01:52:42,103 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 35 transitions. Word has length 12 [2024-10-14 01:52:42,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 01:52:42,103 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 35 transitions. [2024-10-14 01:52:42,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2024-10-14 01:52:42,103 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-10-14 01:52:42,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-14 01:52:42,104 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 01:52:42,104 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 01:52:42,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 01:52:42,105 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 01:52:42,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 01:52:42,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1675711004, now seen corresponding path program 1 times [2024-10-14 01:52:42,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 01:52:42,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793676072] [2024-10-14 01:52:42,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:42,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 01:52:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:42,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 01:52:42,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 01:52:42,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793676072] [2024-10-14 01:52:42,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793676072] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 01:52:42,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 01:52:42,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 01:52:42,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445102340] [2024-10-14 01:52:42,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 01:52:42,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 01:52:42,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 01:52:42,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 01:52:42,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 01:52:42,255 INFO L87 Difference]: Start difference. First operand 25 states and 35 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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) [2024-10-14 01:52:42,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 01:52:42,317 INFO L93 Difference]: Finished difference Result 51 states and 72 transitions. [2024-10-14 01:52:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 01:52:42,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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) Word has length 17 [2024-10-14 01:52:42,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 01:52:42,319 INFO L225 Difference]: With dead ends: 51 [2024-10-14 01:52:42,319 INFO L226 Difference]: Without dead ends: 28 [2024-10-14 01:52:42,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 01:52:42,321 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 01:52:42,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 01:52:42,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-10-14 01:52:42,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-10-14 01:52:42,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 27 states have internal predecessors, (38), 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) [2024-10-14 01:52:42,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 38 transitions. [2024-10-14 01:52:42,327 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 38 transitions. Word has length 17 [2024-10-14 01:52:42,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 01:52:42,328 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 38 transitions. [2024-10-14 01:52:42,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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) [2024-10-14 01:52:42,328 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-10-14 01:52:42,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-14 01:52:42,329 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 01:52:42,329 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 01:52:42,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 01:52:42,329 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 01:52:42,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 01:52:42,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1088904990, now seen corresponding path program 1 times [2024-10-14 01:52:42,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 01:52:42,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719496641] [2024-10-14 01:52:42,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:42,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 01:52:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:42,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 01:52:42,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 01:52:42,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719496641] [2024-10-14 01:52:42,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719496641] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 01:52:42,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 01:52:42,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 01:52:42,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113610501] [2024-10-14 01:52:42,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 01:52:42,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 01:52:42,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 01:52:42,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 01:52:42,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 01:52:42,452 INFO L87 Difference]: Start difference. First operand 28 states and 38 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-10-14 01:52:42,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 01:52:42,481 INFO L93 Difference]: Finished difference Result 41 states and 58 transitions. [2024-10-14 01:52:42,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 01:52:42,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) Word has length 17 [2024-10-14 01:52:42,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 01:52:42,484 INFO L225 Difference]: With dead ends: 41 [2024-10-14 01:52:42,484 INFO L226 Difference]: Without dead ends: 30 [2024-10-14 01:52:42,484 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 [2024-10-14 01:52:42,485 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 01:52:42,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 01:52:42,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-10-14 01:52:42,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-10-14 01:52:42,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 29 states have internal predecessors, (41), 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) [2024-10-14 01:52:42,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions. [2024-10-14 01:52:42,493 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 41 transitions. Word has length 17 [2024-10-14 01:52:42,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 01:52:42,494 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 41 transitions. [2024-10-14 01:52:42,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-10-14 01:52:42,494 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2024-10-14 01:52:42,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-14 01:52:42,496 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 01:52:42,496 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 01:52:42,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 01:52:42,497 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 01:52:42,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 01:52:42,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1866675007, now seen corresponding path program 1 times [2024-10-14 01:52:42,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 01:52:42,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609046741] [2024-10-14 01:52:42,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:42,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 01:52:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:42,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 01:52:42,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 01:52:42,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609046741] [2024-10-14 01:52:42,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609046741] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 01:52:42,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208941582] [2024-10-14 01:52:42,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:42,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 01:52:42,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 01:52:42,616 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) [2024-10-14 01:52:42,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 01:52:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:42,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 01:52:42,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 01:52:42,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 01:52:42,815 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 01:52:42,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 01:52:42,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208941582] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 01:52:42,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 01:52:42,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-10-14 01:52:42,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533827887] [2024-10-14 01:52:42,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 01:52:42,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 01:52:42,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 01:52:42,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 01:52:42,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 01:52:42,841 INFO L87 Difference]: Start difference. First operand 30 states and 41 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-10-14 01:52:42,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 01:52:42,869 INFO L93 Difference]: Finished difference Result 52 states and 73 transitions. [2024-10-14 01:52:42,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 01:52:42,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 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) Word has length 18 [2024-10-14 01:52:42,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 01:52:42,870 INFO L225 Difference]: With dead ends: 52 [2024-10-14 01:52:42,870 INFO L226 Difference]: Without dead ends: 32 [2024-10-14 01:52:42,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 01:52:42,873 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 5 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 01:52:42,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 81 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 01:52:42,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-10-14 01:52:42,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-10-14 01:52:42,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 31 states have internal predecessors, (43), 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) [2024-10-14 01:52:42,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 43 transitions. [2024-10-14 01:52:42,881 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 43 transitions. Word has length 18 [2024-10-14 01:52:42,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 01:52:42,883 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 43 transitions. [2024-10-14 01:52:42,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-10-14 01:52:42,883 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2024-10-14 01:52:42,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-14 01:52:42,884 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 01:52:42,884 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 01:52:42,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 01:52:43,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 01:52:43,085 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 01:52:43,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 01:52:43,086 INFO L85 PathProgramCache]: Analyzing trace with hash 267537911, now seen corresponding path program 1 times [2024-10-14 01:52:43,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 01:52:43,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782307777] [2024-10-14 01:52:43,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:43,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 01:52:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:43,289 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-14 01:52:43,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 01:52:43,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782307777] [2024-10-14 01:52:43,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782307777] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 01:52:43,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 01:52:43,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 01:52:43,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979329726] [2024-10-14 01:52:43,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 01:52:43,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 01:52:43,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 01:52:43,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 01:52:43,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 01:52:43,293 INFO L87 Difference]: Start difference. First operand 32 states and 43 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-10-14 01:52:43,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 01:52:43,329 INFO L93 Difference]: Finished difference Result 46 states and 61 transitions. [2024-10-14 01:52:43,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 01:52:43,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 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) Word has length 23 [2024-10-14 01:52:43,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 01:52:43,330 INFO L225 Difference]: With dead ends: 46 [2024-10-14 01:52:43,330 INFO L226 Difference]: Without dead ends: 33 [2024-10-14 01:52:43,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 01:52:43,332 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 26 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 01:52:43,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 56 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 01:52:43,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-10-14 01:52:43,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2024-10-14 01:52:43,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 30 states have internal predecessors, (41), 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) [2024-10-14 01:52:43,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 41 transitions. [2024-10-14 01:52:43,337 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 41 transitions. Word has length 23 [2024-10-14 01:52:43,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 01:52:43,338 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 41 transitions. [2024-10-14 01:52:43,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-10-14 01:52:43,338 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2024-10-14 01:52:43,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-14 01:52:43,339 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 01:52:43,339 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 01:52:43,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 01:52:43,339 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 01:52:43,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 01:52:43,340 INFO L85 PathProgramCache]: Analyzing trace with hash 2111998660, now seen corresponding path program 1 times [2024-10-14 01:52:43,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 01:52:43,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754790636] [2024-10-14 01:52:43,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:43,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 01:52:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:44,917 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 01:52:44,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 01:52:44,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754790636] [2024-10-14 01:52:44,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754790636] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 01:52:44,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109770229] [2024-10-14 01:52:44,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:44,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 01:52:44,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 01:52:44,922 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) [2024-10-14 01:52:44,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 01:52:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:45,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-10-14 01:52:45,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 01:52:45,418 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 [2024-10-14 01:52:45,558 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-10-14 01:52:45,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-10-14 01:52:45,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2024-10-14 01:52:45,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 7 [2024-10-14 01:52:45,773 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-14 01:52:45,773 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 50 treesize of output 45 [2024-10-14 01:52:45,783 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 24 treesize of output 11 [2024-10-14 01:52:45,965 INFO L349 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2024-10-14 01:52:45,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 30 [2024-10-14 01:52:46,104 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 20 treesize of output 15 [2024-10-14 01:52:46,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2024-10-14 01:52:46,195 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16 [2024-10-14 01:52:46,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 26 [2024-10-14 01:52:46,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 26 treesize of output 15 [2024-10-14 01:52:46,369 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 20 treesize of output 15 [2024-10-14 01:52:46,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-10-14 01:52:46,476 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 01:52:46,476 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 01:52:46,585 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_559 (Array Int Int)) (v_ArrVal_561 (Array Int Int)) (v_ArrVal_564 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~snd_to_last~0#1.base| v_ArrVal_559) |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_561) |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_564) (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (let ((.cse0 (+ |c_ULTIMATE.start_dll_insert_~snd_to_last~0#1.offset| 4))) (store (select |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~snd_to_last~0#1.base|) .cse0 (select v_ArrVal_559 .cse0))) v_ArrVal_559)))) is different from false [2024-10-14 01:52:46,608 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_559 (Array Int Int)) (v_ArrVal_561 (Array Int Int)) (v_ArrVal_564 (Array Int Int))) (let ((.cse0 (+ |c_ULTIMATE.start_dll_insert_~last~0#1.offset| 4))) (or (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_559) |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_561) (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_dll_insert_~last~0#1.base|) .cse0) v_ArrVal_564) (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (not (= v_ArrVal_559 (store (select |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~last~0#1.base|) .cse0 (select v_ArrVal_559 .cse0))))))) is different from false [2024-10-14 01:52:46,630 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_557 (Array Int Int)) (v_ArrVal_556 (Array Int Int)) (v_ArrVal_559 (Array Int Int)) (v_ArrVal_561 (Array Int Int)) (v_ArrVal_564 (Array Int Int))) (let ((.cse0 (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_insert_~head#1.base|) |c_ULTIMATE.start_dll_insert_~head#1.offset|)) (.cse1 (+ (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_insert_~head#1.base|) |c_ULTIMATE.start_dll_insert_~head#1.offset|) 4))) (or (not (= v_ArrVal_559 (store (select (store |c_#memory_int#2| |c_ULTIMATE.start_node_create_~temp~0#1.base| v_ArrVal_557) .cse0) .cse1 (select v_ArrVal_559 .cse1)))) (= (select (select (store (store (store |c_#memory_int#2| .cse0 v_ArrVal_559) |c_ULTIMATE.start_node_create_~temp~0#1.base| v_ArrVal_561) (select (select (store |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_node_create_~temp~0#1.base| v_ArrVal_556) .cse0) .cse1) v_ArrVal_564) (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) |c_ULTIMATE.start_main_~data~0#1|)))) is different from false [2024-10-14 01:52:46,661 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 84 treesize of output 64 [2024-10-14 01:52:46,667 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 68 treesize of output 48 [2024-10-14 01:52:46,849 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_557 (Array Int Int)) (v_ArrVal_556 (Array Int Int)) (v_ArrVal_559 (Array Int Int)) (|v_ULTIMATE.start_node_create_~temp~0#1.base_15| Int) (v_ArrVal_561 (Array Int Int)) (v_ArrVal_553 (Array Int Int)) (v_ArrVal_564 (Array Int Int)) (v_ArrVal_552 (Array Int Int))) (let ((.cse0 (store |c_#memory_int#2| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_552)) (.cse1 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (or (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store (store .cse0 |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_559) |v_ULTIMATE.start_node_create_~temp~0#1.base_15| v_ArrVal_561) (select (select (store (store |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_553) |v_ULTIMATE.start_node_create_~temp~0#1.base_15| v_ArrVal_556) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1) v_ArrVal_564) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (not (= (store (select (store .cse0 |v_ULTIMATE.start_node_create_~temp~0#1.base_15| v_ArrVal_557) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1 (select v_ArrVal_559 .cse1)) v_ArrVal_559)) (not (= (select |c_#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|) 0))))) is different from false [2024-10-14 01:52:46,876 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:52:46,876 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 52 [2024-10-14 01:52:46,887 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 383 treesize of output 381 [2024-10-14 01:52:46,904 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 320 treesize of output 290 [2024-10-14 01:52:46,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 66 [2024-10-14 01:52:46,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 124 [2024-10-14 01:52:46,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 108 [2024-10-14 01:52:46,961 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:52:46,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 6 [2024-10-14 01:52:46,977 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:52:46,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 96 [2024-10-14 01:52:46,995 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:52:46,996 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 77 [2024-10-14 01:52:47,014 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:52:47,014 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 59 [2024-10-14 01:52:47,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 49 [2024-10-14 01:52:47,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-10-14 01:52:47,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-10-14 01:52:47,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-10-14 01:52:47,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2024-10-14 01:52:47,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2024-10-14 01:52:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-10-14 01:52:47,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109770229] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 01:52:47,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 01:52:47,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 39 [2024-10-14 01:52:47,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625098429] [2024-10-14 01:52:47,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 01:52:47,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-10-14 01:52:47,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 01:52:47,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-10-14 01:52:47,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=1121, Unknown=12, NotChecked=284, Total=1560 [2024-10-14 01:52:47,433 INFO L87 Difference]: Start difference. First operand 31 states and 41 transitions. Second operand has 40 states, 40 states have (on average 1.575) internal successors, (63), 39 states have internal predecessors, (63), 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) [2024-10-14 01:52:48,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 01:52:48,365 INFO L93 Difference]: Finished difference Result 57 states and 77 transitions. [2024-10-14 01:52:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-14 01:52:48,366 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 1.575) internal successors, (63), 39 states have internal predecessors, (63), 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) Word has length 23 [2024-10-14 01:52:48,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 01:52:48,366 INFO L225 Difference]: With dead ends: 57 [2024-10-14 01:52:48,367 INFO L226 Difference]: Without dead ends: 55 [2024-10-14 01:52:48,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 21 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=236, Invalid=1574, Unknown=12, NotChecked=340, Total=2162 [2024-10-14 01:52:48,368 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 62 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 264 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 01:52:48,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 237 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 721 Invalid, 0 Unknown, 264 Unchecked, 0.6s Time] [2024-10-14 01:52:48,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-10-14 01:52:48,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 37. [2024-10-14 01:52:48,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 36 states have internal predecessors, (51), 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) [2024-10-14 01:52:48,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2024-10-14 01:52:48,373 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 23 [2024-10-14 01:52:48,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 01:52:48,374 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2024-10-14 01:52:48,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 1.575) internal successors, (63), 39 states have internal predecessors, (63), 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) [2024-10-14 01:52:48,374 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2024-10-14 01:52:48,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-14 01:52:48,375 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 01:52:48,375 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] [2024-10-14 01:52:48,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 01:52:48,575 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,SelfDestructingSolverStorable6 [2024-10-14 01:52:48,576 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 01:52:48,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 01:52:48,577 INFO L85 PathProgramCache]: Analyzing trace with hash -215542309, now seen corresponding path program 1 times [2024-10-14 01:52:48,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 01:52:48,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733641755] [2024-10-14 01:52:48,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:48,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 01:52:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:48,712 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-14 01:52:48,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 01:52:48,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733641755] [2024-10-14 01:52:48,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733641755] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 01:52:48,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078044] [2024-10-14 01:52:48,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:48,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 01:52:48,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 01:52:48,715 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) [2024-10-14 01:52:48,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 01:52:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:48,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 01:52:48,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 01:52:48,887 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-14 01:52:48,888 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 01:52:48,940 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-14 01:52:48,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078044] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 01:52:48,940 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 01:52:48,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-10-14 01:52:48,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566345652] [2024-10-14 01:52:48,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 01:52:48,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 01:52:48,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 01:52:48,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 01:52:48,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 01:52:48,942 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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) [2024-10-14 01:52:49,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 01:52:49,031 INFO L93 Difference]: Finished difference Result 50 states and 69 transitions. [2024-10-14 01:52:49,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 01:52:49,032 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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) Word has length 24 [2024-10-14 01:52:49,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 01:52:49,033 INFO L225 Difference]: With dead ends: 50 [2024-10-14 01:52:49,033 INFO L226 Difference]: Without dead ends: 39 [2024-10-14 01:52:49,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-14 01:52:49,034 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 2 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 01:52:49,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 146 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 01:52:49,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-10-14 01:52:49,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2024-10-14 01:52:49,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 37 states have internal predecessors, (52), 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) [2024-10-14 01:52:49,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2024-10-14 01:52:49,041 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 24 [2024-10-14 01:52:49,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 01:52:49,042 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2024-10-14 01:52:49,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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) [2024-10-14 01:52:49,042 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2024-10-14 01:52:49,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-14 01:52:49,043 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 01:52:49,043 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] [2024-10-14 01:52:49,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 01:52:49,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 01:52:49,244 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 01:52:49,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 01:52:49,244 INFO L85 PathProgramCache]: Analyzing trace with hash -158284007, now seen corresponding path program 1 times [2024-10-14 01:52:49,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 01:52:49,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695313202] [2024-10-14 01:52:49,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:49,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 01:52:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:49,413 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 01:52:49,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 01:52:49,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695313202] [2024-10-14 01:52:49,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695313202] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 01:52:49,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161919700] [2024-10-14 01:52:49,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:49,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 01:52:49,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 01:52:49,416 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) [2024-10-14 01:52:49,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 01:52:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:49,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-14 01:52:49,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 01:52:49,629 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 16 treesize of output 8 [2024-10-14 01:52:49,652 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 01:52:49,653 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 01:52:49,673 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 01:52:49,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161919700] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 01:52:49,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 01:52:49,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 10 [2024-10-14 01:52:49,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461943618] [2024-10-14 01:52:49,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 01:52:49,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 01:52:49,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 01:52:49,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 01:52:49,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-14 01:52:49,675 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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) [2024-10-14 01:52:49,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 01:52:49,821 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2024-10-14 01:52:49,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 01:52:49,822 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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) Word has length 24 [2024-10-14 01:52:49,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 01:52:49,822 INFO L225 Difference]: With dead ends: 69 [2024-10-14 01:52:49,822 INFO L226 Difference]: Without dead ends: 38 [2024-10-14 01:52:49,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-10-14 01:52:49,823 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 17 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 01:52:49,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 159 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 01:52:49,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-10-14 01:52:49,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2024-10-14 01:52:49,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 36 states have internal predecessors, (49), 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) [2024-10-14 01:52:49,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 49 transitions. [2024-10-14 01:52:49,835 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 49 transitions. Word has length 24 [2024-10-14 01:52:49,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 01:52:49,835 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 49 transitions. [2024-10-14 01:52:49,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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) [2024-10-14 01:52:49,835 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2024-10-14 01:52:49,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-14 01:52:49,836 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 01:52:49,838 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] [2024-10-14 01:52:49,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-14 01:52:50,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 01:52:50,039 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 01:52:50,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 01:52:50,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1047394134, now seen corresponding path program 1 times [2024-10-14 01:52:50,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 01:52:50,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019247126] [2024-10-14 01:52:50,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:50,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 01:52:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:50,286 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 01:52:50,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 01:52:50,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019247126] [2024-10-14 01:52:50,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019247126] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 01:52:50,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 01:52:50,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 01:52:50,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996039058] [2024-10-14 01:52:50,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 01:52:50,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 01:52:50,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 01:52:50,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 01:52:50,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 01:52:50,288 INFO L87 Difference]: Start difference. First operand 37 states and 49 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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) [2024-10-14 01:52:50,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 01:52:50,418 INFO L93 Difference]: Finished difference Result 50 states and 66 transitions. [2024-10-14 01:52:50,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 01:52:50,419 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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) Word has length 24 [2024-10-14 01:52:50,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 01:52:50,420 INFO L225 Difference]: With dead ends: 50 [2024-10-14 01:52:50,420 INFO L226 Difference]: Without dead ends: 43 [2024-10-14 01:52:50,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 01:52:50,422 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 14 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 01:52:50,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 104 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 01:52:50,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-10-14 01:52:50,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2024-10-14 01:52:50,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 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) [2024-10-14 01:52:50,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2024-10-14 01:52:50,428 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 50 transitions. Word has length 24 [2024-10-14 01:52:50,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 01:52:50,428 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 50 transitions. [2024-10-14 01:52:50,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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) [2024-10-14 01:52:50,429 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2024-10-14 01:52:50,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-14 01:52:50,429 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 01:52:50,430 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 01:52:50,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 01:52:50,430 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 01:52:50,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 01:52:50,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1628918440, now seen corresponding path program 2 times [2024-10-14 01:52:50,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 01:52:50,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863368764] [2024-10-14 01:52:50,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:50,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 01:52:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:50,590 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-14 01:52:50,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 01:52:50,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863368764] [2024-10-14 01:52:50,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863368764] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 01:52:50,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 01:52:50,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 01:52:50,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101219398] [2024-10-14 01:52:50,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 01:52:50,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 01:52:50,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 01:52:50,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 01:52:50,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 01:52:50,593 INFO L87 Difference]: Start difference. First operand 39 states and 50 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-10-14 01:52:50,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 01:52:50,629 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2024-10-14 01:52:50,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 01:52:50,629 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) Word has length 24 [2024-10-14 01:52:50,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 01:52:50,630 INFO L225 Difference]: With dead ends: 50 [2024-10-14 01:52:50,630 INFO L226 Difference]: Without dead ends: 33 [2024-10-14 01:52:50,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 01:52:50,631 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 21 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 01:52:50,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 70 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 01:52:50,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-10-14 01:52:50,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2024-10-14 01:52:50,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 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) [2024-10-14 01:52:50,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions. [2024-10-14 01:52:50,638 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 24 [2024-10-14 01:52:50,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 01:52:50,638 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions. [2024-10-14 01:52:50,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-10-14 01:52:50,638 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2024-10-14 01:52:50,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-14 01:52:50,639 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 01:52:50,639 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 01:52:50,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 01:52:50,640 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 01:52:50,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 01:52:50,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1888805217, now seen corresponding path program 1 times [2024-10-14 01:52:50,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 01:52:50,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858327853] [2024-10-14 01:52:50,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:50,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 01:52:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:50,903 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-14 01:52:50,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 01:52:50,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858327853] [2024-10-14 01:52:50,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858327853] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 01:52:50,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734399560] [2024-10-14 01:52:50,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:50,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 01:52:50,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 01:52:50,906 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) [2024-10-14 01:52:50,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 01:52:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:51,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 01:52:51,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 01:52:51,129 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-14 01:52:51,130 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 01:52:51,191 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-14 01:52:51,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734399560] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 01:52:51,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 01:52:51,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-10-14 01:52:51,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136815871] [2024-10-14 01:52:51,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 01:52:51,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 01:52:51,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 01:52:51,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 01:52:51,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-10-14 01:52:51,194 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 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) [2024-10-14 01:52:51,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 01:52:51,241 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2024-10-14 01:52:51,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 01:52:51,242 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 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) Word has length 25 [2024-10-14 01:52:51,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 01:52:51,243 INFO L225 Difference]: With dead ends: 39 [2024-10-14 01:52:51,245 INFO L226 Difference]: Without dead ends: 30 [2024-10-14 01:52:51,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-10-14 01:52:51,246 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 3 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 01:52:51,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 100 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 01:52:51,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-10-14 01:52:51,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-10-14 01:52:51,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 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) [2024-10-14 01:52:51,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2024-10-14 01:52:51,255 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 25 [2024-10-14 01:52:51,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 01:52:51,255 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-10-14 01:52:51,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 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) [2024-10-14 01:52:51,255 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2024-10-14 01:52:51,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-14 01:52:51,258 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 01:52:51,258 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] [2024-10-14 01:52:51,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-14 01:52:51,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-14 01:52:51,459 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 01:52:51,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 01:52:51,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1576525531, now seen corresponding path program 1 times [2024-10-14 01:52:51,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 01:52:51,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744690957] [2024-10-14 01:52:51,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:51,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 01:52:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:53,129 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 01:52:53,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 01:52:53,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744690957] [2024-10-14 01:52:53,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744690957] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 01:52:53,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36443262] [2024-10-14 01:52:53,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:53,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 01:52:53,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 01:52:53,132 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) [2024-10-14 01:52:53,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 01:52:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:53,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-10-14 01:52:53,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 01:52:53,642 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 [2024-10-14 01:52:53,744 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-10-14 01:52:53,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-10-14 01:52:53,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2024-10-14 01:52:53,868 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-14 01:52:53,868 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 41 treesize of output 38 [2024-10-14 01:52:54,003 INFO L349 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2024-10-14 01:52:54,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 30 [2024-10-14 01:52:54,092 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 [2024-10-14 01:52:54,098 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 48 treesize of output 31 [2024-10-14 01:52:54,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:54,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 34 [2024-10-14 01:52:54,305 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2024-10-14 01:52:54,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 49 [2024-10-14 01:52:54,340 INFO L349 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2024-10-14 01:52:54,341 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 131 treesize of output 82 [2024-10-14 01:52:54,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 19 [2024-10-14 01:52:54,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 15 [2024-10-14 01:52:54,442 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 63 treesize of output 40 [2024-10-14 01:52:54,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2024-10-14 01:52:54,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2024-10-14 01:52:54,501 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 61 treesize of output 37 [2024-10-14 01:52:54,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-10-14 01:52:54,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-14 01:52:54,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-10-14 01:52:54,633 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 01:52:54,633 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 01:52:54,697 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1358 (Array Int Int)) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int))) (= |c_ULTIMATE.start_main_~uneq~0#1| (let ((.cse0 (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (.cse1 (+ (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (select (select (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1357) (select (select (store |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1356) .cse0) .cse1)) (select (select (store |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1358) .cse0) .cse1))))) is different from false [2024-10-14 01:52:54,712 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:52:54,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 77 [2024-10-14 01:52:54,728 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:52:54,728 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 286 treesize of output 285 [2024-10-14 01:52:54,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 246 [2024-10-14 01:52:54,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 118 [2024-10-14 01:52:55,250 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse14 (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (.cse0 (= |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| .cse6))) (let ((.cse13 (not .cse0)) (.cse1 (= .cse6 |c_ULTIMATE.start_dll_insert_~last~0#1.base|)) (.cse5 (store |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_dll_insert_~snd_to_last~0#1.base| (store (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_dll_insert_~snd_to_last~0#1.base|) (+ |c_ULTIMATE.start_dll_insert_~snd_to_last~0#1.offset| 4) |c_ULTIMATE.start_dll_insert_~new_node~0#1.base|))) (.cse7 (+ .cse14 4)) (.cse3 (+ |c_ULTIMATE.start_dll_insert_~new_node~0#1.offset| 8)) (.cse4 (+ |c_ULTIMATE.start_dll_insert_~new_node~0#1.offset| 4))) (let ((.cse11 (or .cse0 (and (or .cse1 (forall ((v_ArrVal_1349 (Array Int Int)) (v_arrayElimCell_52 Int) (v_ArrVal_1348 (Array Int Int)) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (v_ArrVal_1350 (Array Int Int))) (let ((.cse21 (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~snd_to_last~0#1.base| v_ArrVal_1348))) (or (not (= (store (store (select .cse21 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base|) .cse3 (select v_ArrVal_1350 .cse3)) .cse4 (select v_ArrVal_1350 .cse4)) v_ArrVal_1350)) (= |c_ULTIMATE.start_main_~uneq~0#1| (select (select (store (store .cse21 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1350) |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1357) (select (select (store (store .cse5 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1349) |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1356) .cse6) .cse7)) v_arrayElimCell_52)))))) (forall ((v_arrayElimCell_52 Int) (v_ArrVal_1348 (Array Int Int)) (v_ArrVal_1350 (Array Int Int))) (let ((.cse23 (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~snd_to_last~0#1.base| v_ArrVal_1348))) (or (forall ((v_ArrVal_1349 (Array Int Int)) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (v_arrayElimCell_54 Int)) (let ((.cse22 (select (store (store .cse23 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1350) |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1357) (select (select (store (store .cse5 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1349) |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1356) .cse6) .cse7)))) (or (= (select .cse22 v_arrayElimCell_54) |c_ULTIMATE.start_main_~uneq~0#1|) (= |c_ULTIMATE.start_main_~uneq~0#1| (select .cse22 v_arrayElimCell_52))))) (not (= (store (store (select .cse23 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base|) .cse3 (select v_ArrVal_1350 .cse3)) .cse4 (select v_ArrVal_1350 .cse4)) v_ArrVal_1350)))))))) (.cse12 (forall ((v_arrayElimCell_52 Int) (v_ArrVal_1348 (Array Int Int)) (v_ArrVal_1350 (Array Int Int))) (let ((.cse19 (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~snd_to_last~0#1.base| v_ArrVal_1348))) (or (not (= (store (store (select .cse19 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base|) .cse3 (select v_ArrVal_1350 .cse3)) .cse4 (select v_ArrVal_1350 .cse4)) v_ArrVal_1350)) (forall ((v_ArrVal_1349 (Array Int Int)) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (v_arrayElimCell_55 Int)) (let ((.cse20 (select (store (store .cse19 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1350) |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1357) (select (select (store (store .cse5 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1349) |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1356) .cse6) .cse7)))) (or (= |c_ULTIMATE.start_main_~uneq~0#1| (select .cse20 v_arrayElimCell_52)) (= |c_ULTIMATE.start_main_~uneq~0#1| (select .cse20 v_arrayElimCell_55))))))))) (.cse15 (or .cse13 (forall ((v_ArrVal_1349 (Array Int Int)) (v_ArrVal_1348 (Array Int Int)) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (v_ArrVal_1350 (Array Int Int)) (v_arrayElimCell_55 Int)) (let ((.cse18 (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~snd_to_last~0#1.base| v_ArrVal_1348))) (or (not (= (store (store (select .cse18 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base|) .cse3 (select v_ArrVal_1350 .cse3)) .cse4 (select v_ArrVal_1350 .cse4)) v_ArrVal_1350)) (= |c_ULTIMATE.start_main_~uneq~0#1| (select (select (store (store .cse18 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1350) |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1357) (select (select (store (store .cse5 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1349) |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1356) .cse6) .cse7)) v_arrayElimCell_55)))))))) (and (or .cse0 (and (or .cse1 (forall ((v_ArrVal_1349 (Array Int Int)) (v_ArrVal_1348 (Array Int Int)) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (v_ArrVal_1350 (Array Int Int))) (let ((.cse2 (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~snd_to_last~0#1.base| v_ArrVal_1348))) (or (not (= (store (store (select .cse2 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base|) .cse3 (select v_ArrVal_1350 .cse3)) .cse4 (select v_ArrVal_1350 .cse4)) v_ArrVal_1350)) (= |c_ULTIMATE.start_main_~uneq~0#1| (select (select (store (store .cse2 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1350) |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1357) (select (select (store (store .cse5 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1349) |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1356) .cse6) .cse7)) |c_ULTIMATE.start_dll_insert_~new_node~0#1.offset|)))))) (forall ((v_ArrVal_1348 (Array Int Int)) (v_ArrVal_1350 (Array Int Int))) (let ((.cse8 (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~snd_to_last~0#1.base| v_ArrVal_1348))) (or (not (= (store (store (select .cse8 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base|) .cse3 (select v_ArrVal_1350 .cse3)) .cse4 (select v_ArrVal_1350 .cse4)) v_ArrVal_1350)) (forall ((v_ArrVal_1349 (Array Int Int)) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (v_arrayElimCell_54 Int)) (let ((.cse9 (select (store (store .cse8 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1350) |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1357) (select (select (store (store .cse5 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1349) |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1356) .cse6) .cse7)))) (or (= (select .cse9 v_arrayElimCell_54) |c_ULTIMATE.start_main_~uneq~0#1|) (= |c_ULTIMATE.start_main_~uneq~0#1| (select .cse9 |c_ULTIMATE.start_dll_insert_~new_node~0#1.offset|)))))))))) (or (not .cse1) (forall ((v_ArrVal_1349 (Array Int Int)) (v_ArrVal_1348 (Array Int Int)) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (v_ArrVal_1350 (Array Int Int)) (v_arrayElimCell_54 Int)) (let ((.cse10 (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~snd_to_last~0#1.base| v_ArrVal_1348))) (or (not (= (store (store (select .cse10 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base|) .cse3 (select v_ArrVal_1350 .cse3)) .cse4 (select v_ArrVal_1350 .cse4)) v_ArrVal_1350)) (= (select (select (store (store .cse10 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1350) |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1357) (select (select (store (store .cse5 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1349) |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1356) .cse6) .cse7)) v_arrayElimCell_54) |c_ULTIMATE.start_main_~uneq~0#1|))))) (or (and .cse11 (or .cse1 (and .cse12 (or .cse13 (forall ((v_ArrVal_1349 (Array Int Int)) (v_ArrVal_1348 (Array Int Int)) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (v_ArrVal_1350 (Array Int Int)) (v_arrayElimCell_55 Int)) (or (= |c_ULTIMATE.start_main_~uneq~0#1| (select (select (store (store (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~snd_to_last~0#1.base| v_ArrVal_1348) |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1350) |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1357) (select (select (store (store .cse5 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1349) |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1356) .cse6) .cse7)) v_arrayElimCell_55)) (not (= (store (store (select |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~new_node~0#1.base|) .cse3 (select v_ArrVal_1350 .cse3)) .cse4 (select v_ArrVal_1350 .cse4)) v_ArrVal_1350)))))))) (= .cse6 |c_ULTIMATE.start_dll_insert_~snd_to_last~0#1.base|)) (or (= .cse14 |c_ULTIMATE.start_dll_insert_~snd_to_last~0#1.offset|) (and .cse11 (or .cse1 (and .cse12 .cse15)))) (or (and (forall ((v_ArrVal_1348 (Array Int Int)) (v_ArrVal_1350 (Array Int Int))) (let ((.cse16 (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~snd_to_last~0#1.base| v_ArrVal_1348))) (or (not (= (store (store (select .cse16 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base|) .cse3 (select v_ArrVal_1350 .cse3)) .cse4 (select v_ArrVal_1350 .cse4)) v_ArrVal_1350)) (forall ((v_ArrVal_1349 (Array Int Int)) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (v_arrayElimCell_55 Int)) (let ((.cse17 (select (store (store .cse16 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1350) |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1357) (select (select (store (store .cse5 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1349) |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1356) .cse6) .cse7)))) (or (= |c_ULTIMATE.start_main_~uneq~0#1| (select .cse17 v_arrayElimCell_55)) (= |c_ULTIMATE.start_main_~uneq~0#1| (select .cse17 |c_ULTIMATE.start_dll_insert_~new_node~0#1.offset|)))))))) .cse15) .cse1)))))) is different from false [2024-10-14 01:52:55,864 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (.cse25 (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_dll_insert_~last~0#1.base|)) (.cse26 (+ |c_ULTIMATE.start_dll_insert_~last~0#1.offset| 4))) (let ((.cse18 (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (.cse2 (select .cse25 .cse26)) (.cse8 (= |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| .cse4))) (let ((.cse16 (not .cse8)) (.cse0 (= .cse2 .cse4)) (.cse3 (store |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_dll_insert_~last~0#1.base| (store .cse25 .cse26 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base|))) (.cse5 (+ .cse18 4)) (.cse6 (+ |c_ULTIMATE.start_dll_insert_~new_node~0#1.offset| 8)) (.cse7 (+ |c_ULTIMATE.start_dll_insert_~new_node~0#1.offset| 4))) (let ((.cse17 (or .cse8 (and (or .cse0 (forall ((v_ArrVal_1349 (Array Int Int)) (v_arrayElimCell_52 Int) (v_ArrVal_1348 (Array Int Int)) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (v_ArrVal_1350 (Array Int Int))) (let ((.cse22 (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1348))) (or (not (= (store (store (select .cse22 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base|) .cse6 (select v_ArrVal_1350 .cse6)) .cse7 (select v_ArrVal_1350 .cse7)) v_ArrVal_1350)) (= |c_ULTIMATE.start_main_~uneq~0#1| (select (select (store (store .cse22 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1350) .cse2 v_ArrVal_1357) (select (select (store (store .cse3 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1349) .cse2 v_ArrVal_1356) .cse4) .cse5)) v_arrayElimCell_52)))))) (forall ((v_arrayElimCell_52 Int) (v_ArrVal_1348 (Array Int Int)) (v_ArrVal_1350 (Array Int Int))) (let ((.cse24 (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1348))) (or (forall ((v_ArrVal_1349 (Array Int Int)) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (v_arrayElimCell_54 Int)) (let ((.cse23 (select (store (store .cse24 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1350) .cse2 v_ArrVal_1357) (select (select (store (store .cse3 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1349) .cse2 v_ArrVal_1356) .cse4) .cse5)))) (or (= |c_ULTIMATE.start_main_~uneq~0#1| (select .cse23 v_arrayElimCell_54)) (= |c_ULTIMATE.start_main_~uneq~0#1| (select .cse23 v_arrayElimCell_52))))) (not (= (store (store (select .cse24 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base|) .cse6 (select v_ArrVal_1350 .cse6)) .cse7 (select v_ArrVal_1350 .cse7)) v_ArrVal_1350)))))))) (.cse15 (forall ((v_arrayElimCell_52 Int) (v_ArrVal_1348 (Array Int Int)) (v_ArrVal_1350 (Array Int Int))) (let ((.cse20 (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1348))) (or (not (= (store (store (select .cse20 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base|) .cse6 (select v_ArrVal_1350 .cse6)) .cse7 (select v_ArrVal_1350 .cse7)) v_ArrVal_1350)) (forall ((v_ArrVal_1349 (Array Int Int)) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (v_arrayElimCell_55 Int)) (let ((.cse21 (select (store (store .cse20 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1350) .cse2 v_ArrVal_1357) (select (select (store (store .cse3 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1349) .cse2 v_ArrVal_1356) .cse4) .cse5)))) (or (= |c_ULTIMATE.start_main_~uneq~0#1| (select .cse21 v_arrayElimCell_52)) (= |c_ULTIMATE.start_main_~uneq~0#1| (select .cse21 v_arrayElimCell_55))))))))) (.cse14 (or .cse16 (forall ((v_ArrVal_1349 (Array Int Int)) (v_ArrVal_1348 (Array Int Int)) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (v_ArrVal_1350 (Array Int Int)) (v_arrayElimCell_55 Int)) (let ((.cse19 (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1348))) (or (not (= (store (store (select .cse19 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base|) .cse6 (select v_ArrVal_1350 .cse6)) .cse7 (select v_ArrVal_1350 .cse7)) v_ArrVal_1350)) (= |c_ULTIMATE.start_main_~uneq~0#1| (select (select (store (store .cse19 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1350) .cse2 v_ArrVal_1357) (select (select (store (store .cse3 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1349) .cse2 v_ArrVal_1356) .cse4) .cse5)) v_arrayElimCell_55)))))))) (and (or (not .cse0) (forall ((v_ArrVal_1349 (Array Int Int)) (v_ArrVal_1348 (Array Int Int)) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (v_ArrVal_1350 (Array Int Int)) (v_arrayElimCell_54 Int)) (let ((.cse1 (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1348))) (or (= |c_ULTIMATE.start_main_~uneq~0#1| (select (select (store (store .cse1 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1350) .cse2 v_ArrVal_1357) (select (select (store (store .cse3 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1349) .cse2 v_ArrVal_1356) .cse4) .cse5)) v_arrayElimCell_54)) (not (= (store (store (select .cse1 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base|) .cse6 (select v_ArrVal_1350 .cse6)) .cse7 (select v_ArrVal_1350 .cse7)) v_ArrVal_1350)))))) (or .cse8 (and (forall ((v_ArrVal_1348 (Array Int Int)) (v_ArrVal_1350 (Array Int Int))) (let ((.cse9 (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1348))) (or (not (= (store (store (select .cse9 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base|) .cse6 (select v_ArrVal_1350 .cse6)) .cse7 (select v_ArrVal_1350 .cse7)) v_ArrVal_1350)) (forall ((v_ArrVal_1349 (Array Int Int)) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (v_arrayElimCell_54 Int)) (let ((.cse10 (select (store (store .cse9 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1350) .cse2 v_ArrVal_1357) (select (select (store (store .cse3 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1349) .cse2 v_ArrVal_1356) .cse4) .cse5)))) (or (= (select .cse10 |c_ULTIMATE.start_dll_insert_~new_node~0#1.offset|) |c_ULTIMATE.start_main_~uneq~0#1|) (= |c_ULTIMATE.start_main_~uneq~0#1| (select .cse10 v_arrayElimCell_54)))))))) (or .cse0 (forall ((v_ArrVal_1349 (Array Int Int)) (v_ArrVal_1348 (Array Int Int)) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (v_ArrVal_1350 (Array Int Int))) (let ((.cse11 (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1348))) (or (= (select (select (store (store .cse11 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1350) .cse2 v_ArrVal_1357) (select (select (store (store .cse3 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1349) .cse2 v_ArrVal_1356) .cse4) .cse5)) |c_ULTIMATE.start_dll_insert_~new_node~0#1.offset|) |c_ULTIMATE.start_main_~uneq~0#1|) (not (= (store (store (select .cse11 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base|) .cse6 (select v_ArrVal_1350 .cse6)) .cse7 (select v_ArrVal_1350 .cse7)) v_ArrVal_1350)))))))) (or .cse0 (and (forall ((v_ArrVal_1348 (Array Int Int)) (v_ArrVal_1350 (Array Int Int))) (let ((.cse13 (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1348))) (or (forall ((v_ArrVal_1349 (Array Int Int)) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (v_arrayElimCell_55 Int)) (let ((.cse12 (select (store (store .cse13 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1350) .cse2 v_ArrVal_1357) (select (select (store (store .cse3 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1349) .cse2 v_ArrVal_1356) .cse4) .cse5)))) (or (= (select .cse12 |c_ULTIMATE.start_dll_insert_~new_node~0#1.offset|) |c_ULTIMATE.start_main_~uneq~0#1|) (= |c_ULTIMATE.start_main_~uneq~0#1| (select .cse12 v_arrayElimCell_55))))) (not (= (store (store (select .cse13 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base|) .cse6 (select v_ArrVal_1350 .cse6)) .cse7 (select v_ArrVal_1350 .cse7)) v_ArrVal_1350))))) .cse14)) (or (and (or .cse0 (and .cse15 (or .cse16 (forall ((v_ArrVal_1349 (Array Int Int)) (v_ArrVal_1348 (Array Int Int)) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (v_ArrVal_1350 (Array Int Int)) (v_arrayElimCell_55 Int)) (or (= |c_ULTIMATE.start_main_~uneq~0#1| (select (select (store (store (store |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~last~0#1.base| v_ArrVal_1348) |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1350) .cse2 v_ArrVal_1357) (select (select (store (store .cse3 |c_ULTIMATE.start_dll_insert_~new_node~0#1.base| v_ArrVal_1349) .cse2 v_ArrVal_1356) .cse4) .cse5)) v_arrayElimCell_55)) (not (= (store (store (select |c_#memory_int#2| |c_ULTIMATE.start_dll_insert_~new_node~0#1.base|) .cse6 (select v_ArrVal_1350 .cse6)) .cse7 (select v_ArrVal_1350 .cse7)) v_ArrVal_1350))))))) .cse17) (= .cse4 |c_ULTIMATE.start_dll_insert_~last~0#1.base|)) (or (and .cse17 (or .cse0 (and .cse15 .cse14))) (= .cse18 |c_ULTIMATE.start_dll_insert_~last~0#1.offset|))))))) is different from false [2024-10-14 01:52:56,108 INFO L349 Elim1Store]: treesize reduction 406, result has 50.8 percent of original size [2024-10-14 01:52:56,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 22516 treesize of output 21774 [2024-10-14 01:52:56,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3274 treesize of output 3266 [2024-10-14 01:52:56,184 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:52:56,184 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 3266 treesize of output 3259 [2024-10-14 01:52:56,242 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:52:56,243 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 3563 treesize of output 3703 [2024-10-14 01:52:56,356 INFO L349 Elim1Store]: treesize reduction 76, result has 48.3 percent of original size [2024-10-14 01:52:56,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 3284 treesize of output 3333 [2024-10-14 01:52:56,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3262 treesize of output 3260 [2024-10-14 01:53:01,161 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:01,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 560 treesize of output 570 [2024-10-14 01:53:01,351 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-10-14 01:53:01,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-14 01:53:01,629 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:01,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 379 treesize of output 389 [2024-10-14 01:53:01,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-14 01:53:01,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-10-14 01:53:02,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-10-14 01:53:02,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-10-14 01:53:02,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:02,260 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:02,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 415 treesize of output 425 [2024-10-14 01:53:02,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:03,033 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:03,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 91 [2024-10-14 01:53:03,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-10-14 01:53:03,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 91 [2024-10-14 01:53:03,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-10-14 01:53:03,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-10-14 01:53:03,786 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:03,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 415 treesize of output 425 [2024-10-14 01:53:04,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:04,392 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:04,393 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 15 [2024-10-14 01:53:04,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-10-14 01:53:04,778 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:04,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 case distinctions, treesize of input 1617 treesize of output 1641 [2024-10-14 01:53:11,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:11,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:12,286 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:12,287 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 15 [2024-10-14 01:53:12,335 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:12,336 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 691 treesize of output 689 [2024-10-14 01:53:12,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 242 [2024-10-14 01:53:12,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:12,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 498 [2024-10-14 01:53:12,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:12,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 967 treesize of output 949 [2024-10-14 01:53:12,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:12,528 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:12,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2024-10-14 01:53:12,572 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:12,584 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:12,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 533 treesize of output 531 [2024-10-14 01:53:12,766 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:12,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 50 [2024-10-14 01:53:12,793 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:12,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 50 [2024-10-14 01:53:12,904 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:12,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1599 treesize of output 1655 [2024-10-14 01:53:17,253 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:17,253 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 15 [2024-10-14 01:53:17,332 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:17,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1164 treesize of output 1170 [2024-10-14 01:53:17,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 254 [2024-10-14 01:53:17,841 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:17,841 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 13 treesize of output 17 [2024-10-14 01:53:17,873 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:17,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1962 treesize of output 1950 [2024-10-14 01:53:17,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-14 01:53:17,967 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:17,968 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 13 treesize of output 17 [2024-10-14 01:53:18,025 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:18,026 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 586 treesize of output 586 [2024-10-14 01:53:18,188 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:18,189 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 13 treesize of output 17 [2024-10-14 01:53:18,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2024-10-14 01:53:18,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 250 [2024-10-14 01:53:18,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:18,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 121 [2024-10-14 01:53:18,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:18,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 242 [2024-10-14 01:53:18,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:18,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2024-10-14 01:53:18,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:18,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 121 [2024-10-14 01:53:18,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:18,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 242 [2024-10-14 01:53:18,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:18,389 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:18,389 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 15 [2024-10-14 01:53:18,570 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:18,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 708 treesize of output 720 [2024-10-14 01:53:19,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:19,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 242 [2024-10-14 01:53:19,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:19,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:19,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 121 [2024-10-14 01:53:19,165 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:19,165 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 15 [2024-10-14 01:53:19,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:19,226 INFO L349 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2024-10-14 01:53:19,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 1922 treesize of output 1 [2024-10-14 01:53:19,237 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:19,238 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:19,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-10-14 01:53:19,249 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:19,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 109 [2024-10-14 01:53:19,281 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:19,281 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 13 treesize of output 17 [2024-10-14 01:53:19,292 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:19,292 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 15 [2024-10-14 01:53:19,320 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:19,320 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 365 treesize of output 367 [2024-10-14 01:53:19,333 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:19,334 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 15 [2024-10-14 01:53:19,371 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:19,372 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 603 treesize of output 597 [2024-10-14 01:53:19,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 962 treesize of output 946 [2024-10-14 01:53:19,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:19,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 242 [2024-10-14 01:53:19,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:19,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:19,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 121 [2024-10-14 01:53:19,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 242 [2024-10-14 01:53:19,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 511 treesize of output 501 [2024-10-14 01:53:19,535 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:19,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2024-10-14 01:53:19,566 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:19,577 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:19,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 635 treesize of output 633 [2024-10-14 01:53:19,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-14 01:53:19,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 245 [2024-10-14 01:53:19,898 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:19,899 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 15 [2024-10-14 01:53:19,911 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:19,911 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 13 treesize of output 17 [2024-10-14 01:53:19,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:19,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 118 [2024-10-14 01:53:19,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 121 [2024-10-14 01:53:19,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-14 01:53:20,006 INFO L349 Elim1Store]: treesize reduction 139, result has 52.1 percent of original size [2024-10-14 01:53:20,007 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 2469 treesize of output 2479 [2024-10-14 01:53:20,027 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:20,028 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 1292 treesize of output 1292 [2024-10-14 01:53:20,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1360 treesize of output 1350 [2024-10-14 01:53:20,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1180 treesize of output 1172 [2024-10-14 01:53:20,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-14 01:53:20,245 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:20,245 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 518 treesize of output 520 [2024-10-14 01:53:20,438 INFO L349 Elim1Store]: treesize reduction 278, result has 52.0 percent of original size [2024-10-14 01:53:20,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 4898 treesize of output 4926 [2024-10-14 01:53:20,476 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:20,477 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 2575 treesize of output 2507 [2024-10-14 01:53:20,506 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:20,507 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 2579 treesize of output 2571 [2024-10-14 01:53:20,547 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:20,548 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 2359 treesize of output 2351 [2024-10-14 01:53:22,192 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-10-14 01:53:22,193 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 98 treesize of output 92 [2024-10-14 01:53:22,857 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:22,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 44