./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.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 ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 06:14:12,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 06:14:12,109 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-04 06:14:12,117 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 06:14:12,117 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 06:14:12,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 06:14:12,138 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 06:14:12,138 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 06:14:12,138 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 06:14:12,138 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 06:14:12,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 06:14:12,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 06:14:12,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 06:14:12,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 06:14:12,140 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 06:14:12,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 06:14:12,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 06:14:12,140 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 06:14:12,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 06:14:12,141 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 06:14:12,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 06:14:12,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 06:14:12,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 06:14:12,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 06:14:12,141 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 06:14:12,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 06:14:12,141 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 06:14:12,141 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 06:14:12,141 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 06:14:12,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 06:14:12,142 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 06:14:12,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 06:14:12,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:14:12,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 06:14:12,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 06:14:12,142 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 06:14:12,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 06:14:12,142 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 06:14:12,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 06:14:12,143 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 06:14:12,143 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 06:14:12,143 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 06:14:12,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 06:14:12,143 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2025-03-04 06:14:12,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 06:14:12,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 06:14:12,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 06:14:12,368 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 06:14:12,368 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 06:14:12,369 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i [2025-03-04 06:14:13,496 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a2586bbb/08ba4461087b4b34bc76715ad104bcdc/FLAG76e7f55f9 [2025-03-04 06:14:13,830 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 06:14:13,830 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i [2025-03-04 06:14:13,848 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a2586bbb/08ba4461087b4b34bc76715ad104bcdc/FLAG76e7f55f9 [2025-03-04 06:14:13,868 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a2586bbb/08ba4461087b4b34bc76715ad104bcdc [2025-03-04 06:14:13,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 06:14:13,871 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 06:14:13,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 06:14:13,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 06:14:13,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 06:14:13,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:14:13" (1/1) ... [2025-03-04 06:14:13,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54cd54cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:14:13, skipping insertion in model container [2025-03-04 06:14:13,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:14:13" (1/1) ... [2025-03-04 06:14:13,913 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 06:14:14,167 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i[33519,33532] [2025-03-04 06:14:14,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:14:14,296 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 06:14:14,337 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i[33519,33532] [2025-03-04 06:14:14,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:14:14,422 INFO L204 MainTranslator]: Completed translation [2025-03-04 06:14:14,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:14:14 WrapperNode [2025-03-04 06:14:14,422 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 06:14:14,423 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 06:14:14,423 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 06:14:14,423 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 06:14:14,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:14:14" (1/1) ... [2025-03-04 06:14:14,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:14:14" (1/1) ... [2025-03-04 06:14:14,501 INFO L138 Inliner]: procedures = 176, calls = 325, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1503 [2025-03-04 06:14:14,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 06:14:14,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 06:14:14,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 06:14:14,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 06:14:14,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:14:14" (1/1) ... [2025-03-04 06:14:14,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:14:14" (1/1) ... [2025-03-04 06:14:14,525 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:14:14" (1/1) ... [2025-03-04 06:14:14,595 INFO L175 MemorySlicer]: Split 309 memory accesses to 2 slices as follows [2, 307]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 82 writes are split as follows [0, 82]. [2025-03-04 06:14:14,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:14:14" (1/1) ... [2025-03-04 06:14:14,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:14:14" (1/1) ... [2025-03-04 06:14:14,623 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:14:14" (1/1) ... [2025-03-04 06:14:14,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:14:14" (1/1) ... [2025-03-04 06:14:14,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:14:14" (1/1) ... [2025-03-04 06:14:14,638 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:14:14" (1/1) ... [2025-03-04 06:14:14,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 06:14:14,649 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 06:14:14,650 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 06:14:14,650 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 06:14:14,651 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:14:14" (1/1) ... [2025-03-04 06:14:14,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:14:14,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:14:14,674 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) [2025-03-04 06:14:14,677 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 [2025-03-04 06:14:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 06:14:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 06:14:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 06:14:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 06:14:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 06:14:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 06:14:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 06:14:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 06:14:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 06:14:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 06:14:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 06:14:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 06:14:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 06:14:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 06:14:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 06:14:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 06:14:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 06:14:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 06:14:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 06:14:14,875 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 06:14:14,877 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 06:14:16,071 INFO L? ?]: Removed 377 outVars from TransFormulas that were not future-live. [2025-03-04 06:14:16,071 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 06:14:16,135 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 06:14:16,137 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2025-03-04 06:14:16,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:14:16 BoogieIcfgContainer [2025-03-04 06:14:16,138 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 06:14:16,140 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 06:14:16,140 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 06:14:16,144 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 06:14:16,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 06:14:13" (1/3) ... [2025-03-04 06:14:16,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23fc884c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:14:16, skipping insertion in model container [2025-03-04 06:14:16,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:14:14" (2/3) ... [2025-03-04 06:14:16,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23fc884c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:14:16, skipping insertion in model container [2025-03-04 06:14:16,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:14:16" (3/3) ... [2025-03-04 06:14:16,146 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test4-1.i [2025-03-04 06:14:16,155 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 06:14:16,156 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_nondet_test4-1.i that has 3 procedures, 399 locations, 1 initial locations, 34 loop locations, and 1 error locations. [2025-03-04 06:14:16,200 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 06:14:16,208 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;@2c7525ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 06:14:16,208 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 06:14:16,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 395 states, 386 states have (on average 1.61139896373057) internal successors, (622), 387 states have internal predecessors, (622), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-04 06:14:16,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-04 06:14:16,217 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 06:14:16,218 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:14:16,218 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 06:14:16,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:14:16,221 INFO L85 PathProgramCache]: Analyzing trace with hash -279212347, now seen corresponding path program 1 times [2025-03-04 06:14:16,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:14:16,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985836311] [2025-03-04 06:14:16,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:16,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:14:16,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-04 06:14:16,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-04 06:14:16,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:16,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:16,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:14:16,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:14:16,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985836311] [2025-03-04 06:14:16,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985836311] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:14:16,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:14:16,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 06:14:16,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364956098] [2025-03-04 06:14:16,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:14:16,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 06:14:16,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:14:16,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 06:14:16,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 06:14:16,450 INFO L87 Difference]: Start difference. First operand has 395 states, 386 states have (on average 1.61139896373057) internal successors, (622), 387 states have internal predecessors, (622), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2025-03-04 06:14:16,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 06:14:16,888 INFO L93 Difference]: Finished difference Result 1104 states and 1778 transitions. [2025-03-04 06:14:16,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 06:14:16,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2025-03-04 06:14:16,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 06:14:16,903 INFO L225 Difference]: With dead ends: 1104 [2025-03-04 06:14:16,904 INFO L226 Difference]: Without dead ends: 707 [2025-03-04 06:14:16,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 06:14:16,912 INFO L435 NwaCegarLoop]: 525 mSDtfsCounter, 462 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 1502 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 06:14:16,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 1502 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 06:14:16,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2025-03-04 06:14:16,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 707. [2025-03-04 06:14:16,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 696 states have (on average 1.4626436781609196) internal successors, (1018), 696 states have internal predecessors, (1018), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 06:14:16,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 1036 transitions. [2025-03-04 06:14:16,991 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 1036 transitions. Word has length 9 [2025-03-04 06:14:16,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 06:14:16,991 INFO L471 AbstractCegarLoop]: Abstraction has 707 states and 1036 transitions. [2025-03-04 06:14:16,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2025-03-04 06:14:16,992 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1036 transitions. [2025-03-04 06:14:16,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-03-04 06:14:16,999 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 06:14:16,999 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:14:16,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 06:14:17,000 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 06:14:17,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:14:17,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1803085561, now seen corresponding path program 1 times [2025-03-04 06:14:17,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:14:17,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421263311] [2025-03-04 06:14:17,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:17,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:14:17,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-03-04 06:14:17,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-03-04 06:14:17,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:17,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:17,550 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 06:14:17,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:14:17,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421263311] [2025-03-04 06:14:17,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421263311] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:14:17,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:14:17,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 06:14:17,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714449001] [2025-03-04 06:14:17,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:14:17,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 06:14:17,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:14:17,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 06:14:17,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 06:14:17,555 INFO L87 Difference]: Start difference. First operand 707 states and 1036 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 06:14:17,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 06:14:17,720 INFO L93 Difference]: Finished difference Result 1362 states and 1991 transitions. [2025-03-04 06:14:17,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 06:14:17,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 166 [2025-03-04 06:14:17,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 06:14:17,723 INFO L225 Difference]: With dead ends: 1362 [2025-03-04 06:14:17,723 INFO L226 Difference]: Without dead ends: 713 [2025-03-04 06:14:17,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 06:14:17,725 INFO L435 NwaCegarLoop]: 497 mSDtfsCounter, 105 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1407 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 06:14:17,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1407 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 06:14:17,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2025-03-04 06:14:17,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 707. [2025-03-04 06:14:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 696 states have (on average 1.4425287356321839) internal successors, (1004), 696 states have internal predecessors, (1004), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 06:14:17,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 1022 transitions. [2025-03-04 06:14:17,750 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 1022 transitions. Word has length 166 [2025-03-04 06:14:17,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 06:14:17,750 INFO L471 AbstractCegarLoop]: Abstraction has 707 states and 1022 transitions. [2025-03-04 06:14:17,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 06:14:17,750 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1022 transitions. [2025-03-04 06:14:17,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-03-04 06:14:17,756 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 06:14:17,756 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:14:17,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 06:14:17,756 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 06:14:17,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:14:17,756 INFO L85 PathProgramCache]: Analyzing trace with hash -2025014849, now seen corresponding path program 1 times [2025-03-04 06:14:17,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:14:17,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291781742] [2025-03-04 06:14:17,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:17,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:14:17,823 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-03-04 06:14:17,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-03-04 06:14:17,872 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:17,872 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:17,985 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 06:14:17,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:14:17,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291781742] [2025-03-04 06:14:17,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291781742] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:14:17,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:14:17,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 06:14:17,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20462066] [2025-03-04 06:14:17,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:14:17,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:14:17,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:14:17,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:14:17,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:14:17,987 INFO L87 Difference]: Start difference. First operand 707 states and 1022 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 06:14:18,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 06:14:18,119 INFO L93 Difference]: Finished difference Result 1272 states and 1840 transitions. [2025-03-04 06:14:18,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:14:18,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 166 [2025-03-04 06:14:18,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 06:14:18,123 INFO L225 Difference]: With dead ends: 1272 [2025-03-04 06:14:18,125 INFO L226 Difference]: Without dead ends: 705 [2025-03-04 06:14:18,126 INFO L434 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 [2025-03-04 06:14:18,127 INFO L435 NwaCegarLoop]: 516 mSDtfsCounter, 134 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 06:14:18,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1024 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 06:14:18,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2025-03-04 06:14:18,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 705. [2025-03-04 06:14:18,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 694 states have (on average 1.442363112391931) internal successors, (1001), 694 states have internal predecessors, (1001), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 06:14:18,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 1019 transitions. [2025-03-04 06:14:18,154 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 1019 transitions. Word has length 166 [2025-03-04 06:14:18,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 06:14:18,154 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 1019 transitions. [2025-03-04 06:14:18,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 06:14:18,154 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1019 transitions. [2025-03-04 06:14:18,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2025-03-04 06:14:18,156 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 06:14:18,156 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:14:18,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 06:14:18,157 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 06:14:18,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:14:18,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1954005169, now seen corresponding path program 1 times [2025-03-04 06:14:18,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:14:18,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525708039] [2025-03-04 06:14:18,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:18,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:14:18,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 181 statements into 1 equivalence classes. [2025-03-04 06:14:18,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 181 of 181 statements. [2025-03-04 06:14:18,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:18,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:18,470 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-04 06:14:18,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:14:18,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525708039] [2025-03-04 06:14:18,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525708039] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:14:18,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:14:18,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 06:14:18,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521398379] [2025-03-04 06:14:18,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:14:18,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 06:14:18,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:14:18,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 06:14:18,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 06:14:18,471 INFO L87 Difference]: Start difference. First operand 705 states and 1019 transitions. Second operand has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 06:14:18,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 06:14:18,617 INFO L93 Difference]: Finished difference Result 1173 states and 1693 transitions. [2025-03-04 06:14:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 06:14:18,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 181 [2025-03-04 06:14:18,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 06:14:18,620 INFO L225 Difference]: With dead ends: 1173 [2025-03-04 06:14:18,620 INFO L226 Difference]: Without dead ends: 711 [2025-03-04 06:14:18,621 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 06:14:18,621 INFO L435 NwaCegarLoop]: 490 mSDtfsCounter, 105 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1386 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 06:14:18,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1386 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 06:14:18,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2025-03-04 06:14:18,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 705. [2025-03-04 06:14:18,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 694 states have (on average 1.4221902017291066) internal successors, (987), 694 states have internal predecessors, (987), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 06:14:18,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 1005 transitions. [2025-03-04 06:14:18,637 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 1005 transitions. Word has length 181 [2025-03-04 06:14:18,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 06:14:18,639 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 1005 transitions. [2025-03-04 06:14:18,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 06:14:18,639 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1005 transitions. [2025-03-04 06:14:18,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2025-03-04 06:14:18,641 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 06:14:18,641 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:14:18,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 06:14:18,641 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 06:14:18,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:14:18,641 INFO L85 PathProgramCache]: Analyzing trace with hash -869218422, now seen corresponding path program 1 times [2025-03-04 06:14:18,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:14:18,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590329343] [2025-03-04 06:14:18,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:18,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:14:18,694 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 181 statements into 1 equivalence classes. [2025-03-04 06:14:19,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 181 of 181 statements. [2025-03-04 06:14:19,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:19,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:19,604 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-04 06:14:19,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:14:19,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590329343] [2025-03-04 06:14:19,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590329343] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 06:14:19,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540080344] [2025-03-04 06:14:19,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:19,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 06:14:19,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:14:19,608 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) [2025-03-04 06:14:19,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 06:14:19,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 181 statements into 1 equivalence classes. [2025-03-04 06:14:20,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 181 of 181 statements. [2025-03-04 06:14:20,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:20,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:20,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-04 06:14:20,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 06:14:20,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2025-03-04 06:14:20,909 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-04 06:14:20,909 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 06:14:20,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540080344] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:14:20,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 06:14:20,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-03-04 06:14:20,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058079496] [2025-03-04 06:14:20,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:14:20,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 06:14:20,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:14:20,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 06:14:20,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-04 06:14:20,911 INFO L87 Difference]: Start difference. First operand 705 states and 1005 transitions. Second operand has 11 states, 11 states have (on average 14.909090909090908) internal successors, (164), 11 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 06:14:22,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 06:14:22,935 INFO L93 Difference]: Finished difference Result 1435 states and 2034 transitions. [2025-03-04 06:14:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 06:14:22,935 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.909090909090908) internal successors, (164), 11 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 181 [2025-03-04 06:14:22,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 06:14:22,938 INFO L225 Difference]: With dead ends: 1435 [2025-03-04 06:14:22,938 INFO L226 Difference]: Without dead ends: 814 [2025-03-04 06:14:22,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-03-04 06:14:22,940 INFO L435 NwaCegarLoop]: 507 mSDtfsCounter, 795 mSDsluCounter, 2348 mSDsCounter, 0 mSdLazyCounter, 1147 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 2855 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-03-04 06:14:22,940 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [800 Valid, 2855 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1147 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-04 06:14:22,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2025-03-04 06:14:22,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 730. [2025-03-04 06:14:22,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 719 states have (on average 1.4144645340751043) internal successors, (1017), 719 states have internal predecessors, (1017), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 06:14:22,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 1035 transitions. [2025-03-04 06:14:22,963 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 1035 transitions. Word has length 181 [2025-03-04 06:14:22,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 06:14:22,963 INFO L471 AbstractCegarLoop]: Abstraction has 730 states and 1035 transitions. [2025-03-04 06:14:22,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.909090909090908) internal successors, (164), 11 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 06:14:22,964 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1035 transitions. [2025-03-04 06:14:22,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-03-04 06:14:22,965 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 06:14:22,965 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:14:22,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-04 06:14:23,170 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 [2025-03-04 06:14:23,170 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 06:14:23,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:14:23,170 INFO L85 PathProgramCache]: Analyzing trace with hash -85263178, now seen corresponding path program 1 times [2025-03-04 06:14:23,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:14:23,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858623687] [2025-03-04 06:14:23,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:23,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:14:23,231 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-03-04 06:14:23,566 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-03-04 06:14:23,566 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:23,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-04 06:14:23,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:14:23,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858623687] [2025-03-04 06:14:23,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858623687] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 06:14:23,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523048638] [2025-03-04 06:14:23,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:23,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 06:14:23,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:14:23,814 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) [2025-03-04 06:14:23,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 06:14:24,025 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-03-04 06:14:24,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-03-04 06:14:24,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:24,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:24,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-04 06:14:24,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 06:14:24,250 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-04 06:14:24,250 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 06:14:24,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523048638] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:14:24,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 06:14:24,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2025-03-04 06:14:24,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114014532] [2025-03-04 06:14:24,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:14:24,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 06:14:24,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:14:24,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 06:14:24,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 06:14:24,251 INFO L87 Difference]: Start difference. First operand 730 states and 1035 transitions. Second operand has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 06:14:24,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 06:14:24,504 INFO L93 Difference]: Finished difference Result 1394 states and 1980 transitions. [2025-03-04 06:14:24,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 06:14:24,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 182 [2025-03-04 06:14:24,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 06:14:24,508 INFO L225 Difference]: With dead ends: 1394 [2025-03-04 06:14:24,508 INFO L226 Difference]: Without dead ends: 773 [2025-03-04 06:14:24,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 06:14:24,511 INFO L435 NwaCegarLoop]: 502 mSDtfsCounter, 17 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1340 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 06:14:24,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1340 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 06:14:24,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2025-03-04 06:14:24,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 757. [2025-03-04 06:14:24,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 746 states have (on average 1.4075067024128687) internal successors, (1050), 746 states have internal predecessors, (1050), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 06:14:24,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1068 transitions. [2025-03-04 06:14:24,534 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1068 transitions. Word has length 182 [2025-03-04 06:14:24,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 06:14:24,535 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 1068 transitions. [2025-03-04 06:14:24,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 06:14:24,535 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1068 transitions. [2025-03-04 06:14:24,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2025-03-04 06:14:24,538 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 06:14:24,538 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:14:24,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-04 06:14:24,743 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,SelfDestructingSolverStorable5 [2025-03-04 06:14:24,743 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 06:14:24,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:14:24,743 INFO L85 PathProgramCache]: Analyzing trace with hash -436355763, now seen corresponding path program 1 times [2025-03-04 06:14:24,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:14:24,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870728802] [2025-03-04 06:14:24,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:24,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:14:24,807 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-03-04 06:14:24,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-03-04 06:14:24,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:24,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:25,100 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-04 06:14:25,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:14:25,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870728802] [2025-03-04 06:14:25,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870728802] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:14:25,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:14:25,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-04 06:14:25,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131274102] [2025-03-04 06:14:25,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:14:25,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 06:14:25,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:14:25,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 06:14:25,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-04 06:14:25,102 INFO L87 Difference]: Start difference. First operand 757 states and 1068 transitions. Second operand has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 06:14:25,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 06:14:25,570 INFO L93 Difference]: Finished difference Result 1413 states and 1999 transitions. [2025-03-04 06:14:25,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 06:14:25,570 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 183 [2025-03-04 06:14:25,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 06:14:25,573 INFO L225 Difference]: With dead ends: 1413 [2025-03-04 06:14:25,573 INFO L226 Difference]: Without dead ends: 769 [2025-03-04 06:14:25,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-04 06:14:25,575 INFO L435 NwaCegarLoop]: 501 mSDtfsCounter, 8 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2033 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 06:14:25,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2033 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 06:14:25,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2025-03-04 06:14:25,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 765. [2025-03-04 06:14:25,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 765 states, 754 states have (on average 1.4058355437665782) internal successors, (1060), 754 states have internal predecessors, (1060), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 06:14:25,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 1078 transitions. [2025-03-04 06:14:25,591 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 1078 transitions. Word has length 183 [2025-03-04 06:14:25,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 06:14:25,592 INFO L471 AbstractCegarLoop]: Abstraction has 765 states and 1078 transitions. [2025-03-04 06:14:25,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 06:14:25,592 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1078 transitions. [2025-03-04 06:14:25,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-03-04 06:14:25,596 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 06:14:25,596 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:14:25,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 06:14:25,596 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 06:14:25,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:14:25,597 INFO L85 PathProgramCache]: Analyzing trace with hash -2050763430, now seen corresponding path program 1 times [2025-03-04 06:14:25,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:14:25,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135946511] [2025-03-04 06:14:25,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:25,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:14:25,649 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-04 06:14:25,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-04 06:14:25,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:25,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:25,958 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-04 06:14:25,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:14:25,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135946511] [2025-03-04 06:14:25,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135946511] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:14:25,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:14:25,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 06:14:25,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393741148] [2025-03-04 06:14:25,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:14:25,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 06:14:25,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:14:25,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 06:14:25,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-04 06:14:25,960 INFO L87 Difference]: Start difference. First operand 765 states and 1078 transitions. Second operand has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 06:14:26,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 06:14:26,464 INFO L93 Difference]: Finished difference Result 1428 states and 2019 transitions. [2025-03-04 06:14:26,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 06:14:26,465 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 184 [2025-03-04 06:14:26,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 06:14:26,467 INFO L225 Difference]: With dead ends: 1428 [2025-03-04 06:14:26,467 INFO L226 Difference]: Without dead ends: 787 [2025-03-04 06:14:26,468 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-04 06:14:26,471 INFO L435 NwaCegarLoop]: 493 mSDtfsCounter, 12 mSDsluCounter, 1918 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2411 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 06:14:26,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2411 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 06:14:26,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2025-03-04 06:14:26,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 781. [2025-03-04 06:14:26,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 781 states, 770 states have (on average 1.405194805194805) internal successors, (1082), 770 states have internal predecessors, (1082), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 06:14:26,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1100 transitions. [2025-03-04 06:14:26,488 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1100 transitions. Word has length 184 [2025-03-04 06:14:26,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 06:14:26,489 INFO L471 AbstractCegarLoop]: Abstraction has 781 states and 1100 transitions. [2025-03-04 06:14:26,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 06:14:26,489 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1100 transitions. [2025-03-04 06:14:26,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-03-04 06:14:26,490 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 06:14:26,490 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:14:26,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 06:14:26,491 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 06:14:26,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:14:26,491 INFO L85 PathProgramCache]: Analyzing trace with hash -2018039671, now seen corresponding path program 1 times [2025-03-04 06:14:26,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:14:26,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118264852] [2025-03-04 06:14:26,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:26,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:14:26,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-04 06:14:26,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-04 06:14:26,749 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:26,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:26,934 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-04 06:14:26,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:14:26,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118264852] [2025-03-04 06:14:26,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118264852] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 06:14:26,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742156457] [2025-03-04 06:14:26,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:26,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 06:14:26,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:14:26,936 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) [2025-03-04 06:14:26,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 06:14:27,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-04 06:14:27,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-04 06:14:27,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:27,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:27,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 06:14:27,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 06:14:27,402 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 06:14:27,402 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 06:14:27,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742156457] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:14:27,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 06:14:27,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 6 [2025-03-04 06:14:27,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035424593] [2025-03-04 06:14:27,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:14:27,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 06:14:27,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:14:27,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 06:14:27,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-04 06:14:27,404 INFO L87 Difference]: Start difference. First operand 781 states and 1100 transitions. Second operand has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 06:14:27,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 06:14:27,615 INFO L93 Difference]: Finished difference Result 1454 states and 2055 transitions. [2025-03-04 06:14:27,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 06:14:27,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 184 [2025-03-04 06:14:27,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 06:14:27,620 INFO L225 Difference]: With dead ends: 1454 [2025-03-04 06:14:27,620 INFO L226 Difference]: Without dead ends: 845 [2025-03-04 06:14:27,621 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-04 06:14:27,622 INFO L435 NwaCegarLoop]: 503 mSDtfsCounter, 519 mSDsluCounter, 1499 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 2002 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 06:14:27,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 2002 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 06:14:27,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2025-03-04 06:14:27,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 784. [2025-03-04 06:14:27,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 772 states have (on average 1.4054404145077721) internal successors, (1085), 773 states have internal predecessors, (1085), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2025-03-04 06:14:27,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1106 transitions. [2025-03-04 06:14:27,649 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1106 transitions. Word has length 184 [2025-03-04 06:14:27,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 06:14:27,650 INFO L471 AbstractCegarLoop]: Abstraction has 784 states and 1106 transitions. [2025-03-04 06:14:27,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 06:14:27,650 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1106 transitions. [2025-03-04 06:14:27,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-03-04 06:14:27,651 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 06:14:27,652 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:14:27,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-04 06:14:27,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 06:14:27,853 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 06:14:27,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:14:27,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1239148097, now seen corresponding path program 1 times [2025-03-04 06:14:27,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:14:27,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184970804] [2025-03-04 06:14:27,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:27,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:14:27,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-04 06:14:28,198 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-04 06:14:28,198 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:28,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:28,434 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-04 06:14:28,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:14:28,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184970804] [2025-03-04 06:14:28,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184970804] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 06:14:28,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079386625] [2025-03-04 06:14:28,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:28,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 06:14:28,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:14:28,437 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) [2025-03-04 06:14:28,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 06:14:28,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-04 06:14:28,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-04 06:14:28,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:28,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:28,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-04 06:14:28,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 06:14:29,129 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-04 06:14:29,131 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 06:14:29,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079386625] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:14:29,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 06:14:29,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2025-03-04 06:14:29,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728216606] [2025-03-04 06:14:29,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:14:29,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 06:14:29,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:14:29,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 06:14:29,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-03-04 06:14:29,133 INFO L87 Difference]: Start difference. First operand 784 states and 1106 transitions. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 06:14:29,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 06:14:29,694 INFO L93 Difference]: Finished difference Result 1450 states and 2052 transitions. [2025-03-04 06:14:29,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 06:14:29,695 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2025-03-04 06:14:29,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 06:14:29,698 INFO L225 Difference]: With dead ends: 1450 [2025-03-04 06:14:29,698 INFO L226 Difference]: Without dead ends: 798 [2025-03-04 06:14:29,699 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-03-04 06:14:29,699 INFO L435 NwaCegarLoop]: 498 mSDtfsCounter, 12 mSDsluCounter, 1919 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2417 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 06:14:29,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2417 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 06:14:29,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2025-03-04 06:14:29,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 784. [2025-03-04 06:14:29,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 772 states have (on average 1.4054404145077721) internal successors, (1085), 773 states have internal predecessors, (1085), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2025-03-04 06:14:29,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1106 transitions. [2025-03-04 06:14:29,723 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1106 transitions. Word has length 188 [2025-03-04 06:14:29,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 06:14:29,723 INFO L471 AbstractCegarLoop]: Abstraction has 784 states and 1106 transitions. [2025-03-04 06:14:29,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 06:14:29,723 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1106 transitions. [2025-03-04 06:14:29,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-03-04 06:14:29,725 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 06:14:29,725 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:14:29,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-04 06:14:29,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 06:14:29,925 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 06:14:29,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:14:29,927 INFO L85 PathProgramCache]: Analyzing trace with hash 21322476, now seen corresponding path program 1 times [2025-03-04 06:14:29,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:14:29,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580106419] [2025-03-04 06:14:29,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:29,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:14:29,985 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-03-04 06:14:30,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-03-04 06:14:30,019 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:30,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:30,420 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-04 06:14:30,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:14:30,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580106419] [2025-03-04 06:14:30,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580106419] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:14:30,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:14:30,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 06:14:30,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030051530] [2025-03-04 06:14:30,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:14:30,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 06:14:30,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:14:30,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 06:14:30,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-04 06:14:30,423 INFO L87 Difference]: Start difference. First operand 784 states and 1106 transitions. Second operand has 9 states, 9 states have (on average 18.77777777777778) internal successors, (169), 9 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 06:14:30,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 06:14:30,973 INFO L93 Difference]: Finished difference Result 1457 states and 2058 transitions. [2025-03-04 06:14:30,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-04 06:14:30,973 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 18.77777777777778) internal successors, (169), 9 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 189 [2025-03-04 06:14:30,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 06:14:30,976 INFO L225 Difference]: With dead ends: 1457 [2025-03-04 06:14:30,977 INFO L226 Difference]: Without dead ends: 810 [2025-03-04 06:14:30,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-04 06:14:30,979 INFO L435 NwaCegarLoop]: 493 mSDtfsCounter, 20 mSDsluCounter, 2441 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 2934 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 06:14:30,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 2934 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 06:14:30,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2025-03-04 06:14:30,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 798. [2025-03-04 06:14:30,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 786 states have (on average 1.4033078880407124) internal successors, (1103), 787 states have internal predecessors, (1103), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2025-03-04 06:14:30,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1124 transitions. [2025-03-04 06:14:30,997 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1124 transitions. Word has length 189 [2025-03-04 06:14:30,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 06:14:30,998 INFO L471 AbstractCegarLoop]: Abstraction has 798 states and 1124 transitions. [2025-03-04 06:14:30,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.77777777777778) internal successors, (169), 9 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 06:14:30,998 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1124 transitions. [2025-03-04 06:14:30,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-03-04 06:14:31,000 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 06:14:31,000 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:14:31,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-04 06:14:31,000 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 06:14:31,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:14:31,000 INFO L85 PathProgramCache]: Analyzing trace with hash 832679197, now seen corresponding path program 1 times [2025-03-04 06:14:31,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:14:31,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859289745] [2025-03-04 06:14:31,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:31,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:14:31,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-03-04 06:14:31,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-03-04 06:14:31,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:31,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:31,512 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-04 06:14:31,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:14:31,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859289745] [2025-03-04 06:14:31,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859289745] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 06:14:31,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896556051] [2025-03-04 06:14:31,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:31,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 06:14:31,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:14:31,515 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) [2025-03-04 06:14:31,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 06:14:31,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-03-04 06:14:32,050 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-03-04 06:14:32,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:32,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:32,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-04 06:14:32,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 06:14:32,166 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-04 06:14:32,167 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 06:14:32,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896556051] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:14:32,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 06:14:32,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2025-03-04 06:14:32,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783527980] [2025-03-04 06:14:32,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:14:32,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 06:14:32,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:14:32,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 06:14:32,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2025-03-04 06:14:32,171 INFO L87 Difference]: Start difference. First operand 798 states and 1124 transitions. Second operand has 8 states, 8 states have (on average 21.125) internal successors, (169), 8 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 06:14:32,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 06:14:32,764 INFO L93 Difference]: Finished difference Result 1482 states and 2089 transitions. [2025-03-04 06:14:32,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-04 06:14:32,765 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.125) internal successors, (169), 8 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 189 [2025-03-04 06:14:32,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 06:14:32,768 INFO L225 Difference]: With dead ends: 1482 [2025-03-04 06:14:32,768 INFO L226 Difference]: Without dead ends: 828 [2025-03-04 06:14:32,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-04 06:14:32,769 INFO L435 NwaCegarLoop]: 499 mSDtfsCounter, 40 mSDsluCounter, 2392 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 2891 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 06:14:32,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 2891 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 06:14:32,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2025-03-04 06:14:32,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 808. [2025-03-04 06:14:32,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 796 states have (on average 1.400753768844221) internal successors, (1115), 797 states have internal predecessors, (1115), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2025-03-04 06:14:32,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1136 transitions. [2025-03-04 06:14:32,786 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1136 transitions. Word has length 189 [2025-03-04 06:14:32,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 06:14:32,786 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1136 transitions. [2025-03-04 06:14:32,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.125) internal successors, (169), 8 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 06:14:32,787 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1136 transitions. [2025-03-04 06:14:32,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-03-04 06:14:32,788 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 06:14:32,788 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:14:32,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-04 06:14:32,988 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 [2025-03-04 06:14:32,989 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 06:14:32,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:14:32,989 INFO L85 PathProgramCache]: Analyzing trace with hash -764550183, now seen corresponding path program 1 times [2025-03-04 06:14:32,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:14:32,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99328345] [2025-03-04 06:14:32,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:32,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:14:33,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-03-04 06:14:33,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-03-04 06:14:33,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:33,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:33,405 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-04 06:14:33,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:14:33,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99328345] [2025-03-04 06:14:33,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99328345] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:14:33,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:14:33,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-04 06:14:33,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138105988] [2025-03-04 06:14:33,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:14:33,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 06:14:33,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:14:33,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 06:14:33,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-04 06:14:33,406 INFO L87 Difference]: Start difference. First operand 808 states and 1136 transitions. Second operand has 10 states, 10 states have (on average 17.0) internal successors, (170), 10 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 06:14:34,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 06:14:34,077 INFO L93 Difference]: Finished difference Result 1490 states and 2101 transitions. [2025-03-04 06:14:34,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 06:14:34,078 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.0) internal successors, (170), 10 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2025-03-04 06:14:34,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 06:14:34,081 INFO L225 Difference]: With dead ends: 1490 [2025-03-04 06:14:34,081 INFO L226 Difference]: Without dead ends: 826 [2025-03-04 06:14:34,083 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-03-04 06:14:34,083 INFO L435 NwaCegarLoop]: 499 mSDtfsCounter, 23 mSDsluCounter, 2771 mSDsCounter, 0 mSdLazyCounter, 1312 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3270 SdHoareTripleChecker+Invalid, 1313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 06:14:34,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 3270 Invalid, 1313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1312 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 06:14:34,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2025-03-04 06:14:34,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 814. [2025-03-04 06:14:34,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 802 states have (on average 1.3977556109725686) internal successors, (1121), 803 states have internal predecessors, (1121), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2025-03-04 06:14:34,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1142 transitions. [2025-03-04 06:14:34,101 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1142 transitions. Word has length 190 [2025-03-04 06:14:34,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 06:14:34,101 INFO L471 AbstractCegarLoop]: Abstraction has 814 states and 1142 transitions. [2025-03-04 06:14:34,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.0) internal successors, (170), 10 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 06:14:34,102 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1142 transitions. [2025-03-04 06:14:34,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-03-04 06:14:34,104 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 06:14:34,104 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:14:34,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-04 06:14:34,104 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 06:14:34,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:14:34,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1425565992, now seen corresponding path program 1 times [2025-03-04 06:14:34,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:14:34,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968895539] [2025-03-04 06:14:34,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:34,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:14:34,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-03-04 06:14:34,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-03-04 06:14:34,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:34,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:34,638 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-04 06:14:34,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:14:34,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968895539] [2025-03-04 06:14:34,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968895539] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 06:14:34,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944615987] [2025-03-04 06:14:34,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:34,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 06:14:34,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:14:34,640 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) [2025-03-04 06:14:34,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-04 06:14:34,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-03-04 06:14:35,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-03-04 06:14:35,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:35,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:35,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-04 06:14:35,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 06:14:35,217 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-04 06:14:35,217 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 06:14:35,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944615987] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:14:35,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 06:14:35,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2025-03-04 06:14:35,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269014485] [2025-03-04 06:14:35,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:14:35,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 06:14:35,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:14:35,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 06:14:35,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-03-04 06:14:35,219 INFO L87 Difference]: Start difference. First operand 814 states and 1142 transitions. Second operand has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 06:14:35,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 06:14:35,594 INFO L93 Difference]: Finished difference Result 1504 states and 2118 transitions. [2025-03-04 06:14:35,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 06:14:35,594 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2025-03-04 06:14:35,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 06:14:35,597 INFO L225 Difference]: With dead ends: 1504 [2025-03-04 06:14:35,597 INFO L226 Difference]: Without dead ends: 842 [2025-03-04 06:14:35,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2025-03-04 06:14:35,599 INFO L435 NwaCegarLoop]: 488 mSDtfsCounter, 39 mSDsluCounter, 2001 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 2489 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 06:14:35,599 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 2489 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 06:14:35,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2025-03-04 06:14:35,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 818. [2025-03-04 06:14:35,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 806 states have (on average 1.400744416873449) internal successors, (1129), 807 states have internal predecessors, (1129), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2025-03-04 06:14:35,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1150 transitions. [2025-03-04 06:14:35,619 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1150 transitions. Word has length 190 [2025-03-04 06:14:35,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 06:14:35,620 INFO L471 AbstractCegarLoop]: Abstraction has 818 states and 1150 transitions. [2025-03-04 06:14:35,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 06:14:35,620 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1150 transitions. [2025-03-04 06:14:35,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-03-04 06:14:35,622 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 06:14:35,622 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:14:35,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-04 06:14:35,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 06:14:35,822 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 06:14:35,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:14:35,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1234306148, now seen corresponding path program 1 times [2025-03-04 06:14:35,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:14:35,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692910519] [2025-03-04 06:14:35,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:35,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:14:35,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-03-04 06:14:36,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-03-04 06:14:36,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:36,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:36,283 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-04 06:14:36,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:14:36,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692910519] [2025-03-04 06:14:36,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692910519] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 06:14:36,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385120691] [2025-03-04 06:14:36,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:14:36,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 06:14:36,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:14:36,286 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 06:14:36,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-04 06:14:36,615 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-03-04 06:14:36,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-03-04 06:14:36,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:14:36,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:14:36,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 154 conjuncts are in the unsatisfiable core [2025-03-04 06:14:36,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 06:14:36,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2025-03-04 06:14:36,918 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 [2025-03-04 06:14:37,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 18 [2025-03-04 06:14:37,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2025-03-04 06:14:37,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-03-04 06:14:37,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-04 06:14:37,300 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2025-03-04 06:14:37,300 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2025-03-04 06:14:37,312 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 [2025-03-04 06:14:37,386 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 18 treesize of output 10 [2025-03-04 06:14:37,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-03-04 06:14:37,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 7 treesize of output 3 [2025-03-04 06:14:37,529 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2025-03-04 06:14:37,529 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 66 treesize of output 57 [2025-03-04 06:14:37,537 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 31 treesize of output 16 [2025-03-04 06:14:37,546 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 24 treesize of output 11