./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 08:35:41,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 08:35:41,662 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-06 08:35:41,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 08:35:41,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 08:35:41,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 08:35:41,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 08:35:41,691 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 08:35:41,691 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 08:35:41,691 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 08:35:41,691 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 08:35:41,692 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 08:35:41,692 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 08:35:41,692 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 08:35:41,692 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 08:35:41,693 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 08:35:41,693 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 08:35:41,693 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 08:35:41,693 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 08:35:41,693 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 08:35:41,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 08:35:41,693 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 08:35:41,693 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 08:35:41,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 08:35:41,694 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 08:35:41,694 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 08:35:41,694 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 08:35:41,694 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 08:35:41,694 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 08:35:41,694 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 08:35:41,694 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 08:35:41,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 08:35:41,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 08:35:41,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 08:35:41,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 08:35:41,695 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 08:35:41,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 08:35:41,695 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 08:35:41,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 08:35:41,695 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 08:35:41,695 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 08:35:41,695 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 08:35:41,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 08:35:41,696 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-jdk21/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 -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2025-02-06 08:35:41,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 08:35:41,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 08:35:41,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 08:35:41,939 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 08:35:41,939 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 08:35:41,940 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i [2025-02-06 08:35:43,051 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/939931182/94352a6e766b47509831bf5323c5364d/FLAG72a147b1b [2025-02-06 08:35:43,427 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 08:35:43,429 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i [2025-02-06 08:35:43,448 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/939931182/94352a6e766b47509831bf5323c5364d/FLAG72a147b1b [2025-02-06 08:35:43,463 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/939931182/94352a6e766b47509831bf5323c5364d [2025-02-06 08:35:43,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 08:35:43,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 08:35:43,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 08:35:43,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 08:35:43,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 08:35:43,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 08:35:43" (1/1) ... [2025-02-06 08:35:43,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41459a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:35:43, skipping insertion in model container [2025-02-06 08:35:43,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 08:35:43" (1/1) ... [2025-02-06 08:35:43,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 08:35:43,780 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i[33519,33532] [2025-02-06 08:35:43,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 08:35:43,886 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 08:35:43,922 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i[33519,33532] [2025-02-06 08:35:43,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 08:35:44,007 INFO L204 MainTranslator]: Completed translation [2025-02-06 08:35:44,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:35:44 WrapperNode [2025-02-06 08:35:44,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 08:35:44,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 08:35:44,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 08:35:44,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 08:35:44,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:35:44" (1/1) ... [2025-02-06 08:35:44,033 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:35:44" (1/1) ... [2025-02-06 08:35:44,078 INFO L138 Inliner]: procedures = 176, calls = 424, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1807 [2025-02-06 08:35:44,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 08:35:44,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 08:35:44,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 08:35:44,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 08:35:44,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:35:44" (1/1) ... [2025-02-06 08:35:44,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:35:44" (1/1) ... [2025-02-06 08:35:44,101 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:35:44" (1/1) ... [2025-02-06 08:35:44,216 INFO L175 MemorySlicer]: Split 403 memory accesses to 2 slices as follows [2, 401]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 98 writes are split as follows [0, 98]. [2025-02-06 08:35:44,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:35:44" (1/1) ... [2025-02-06 08:35:44,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:35:44" (1/1) ... [2025-02-06 08:35:44,244 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:35:44" (1/1) ... [2025-02-06 08:35:44,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:35:44" (1/1) ... [2025-02-06 08:35:44,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:35:44" (1/1) ... [2025-02-06 08:35:44,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:35:44" (1/1) ... [2025-02-06 08:35:44,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 08:35:44,258 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 08:35:44,258 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 08:35:44,258 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 08:35:44,259 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:35:44" (1/1) ... [2025-02-06 08:35:44,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 08:35:44,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 08:35:44,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 08:35:44,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 08:35:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 08:35:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 08:35:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 08:35:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 08:35:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 08:35:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 08:35:44,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 08:35:44,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 08:35:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 08:35:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 08:35:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 08:35:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 08:35:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 08:35:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 08:35:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 08:35:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 08:35:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 08:35:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 08:35:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 08:35:44,483 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 08:35:44,484 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 08:35:45,688 INFO L? ?]: Removed 417 outVars from TransFormulas that were not future-live. [2025-02-06 08:35:45,689 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 08:35:45,727 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 08:35:45,728 INFO L337 CfgBuilder]: Removed 2 assume(true) statements. [2025-02-06 08:35:45,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 08:35:45 BoogieIcfgContainer [2025-02-06 08:35:45,728 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 08:35:45,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 08:35:45,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 08:35:45,737 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 08:35:45,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 08:35:43" (1/3) ... [2025-02-06 08:35:45,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40353654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 08:35:45, skipping insertion in model container [2025-02-06 08:35:45,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:35:44" (2/3) ... [2025-02-06 08:35:45,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40353654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 08:35:45, skipping insertion in model container [2025-02-06 08:35:45,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 08:35:45" (3/3) ... [2025-02-06 08:35:45,743 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_FNV_nondet_test4-3.i [2025-02-06 08:35:45,758 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 08:35:45,760 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_FNV_nondet_test4-3.i that has 3 procedures, 461 locations, 1 initial locations, 45 loop locations, and 1 error locations. [2025-02-06 08:35:45,816 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 08:35:45,825 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;@75213a7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 08:35:45,825 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 08:35:45,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 457 states, 448 states have (on average 1.6138392857142858) internal successors, (723), 449 states have internal predecessors, (723), 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) [2025-02-06 08:35:45,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-06 08:35:45,834 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 08:35:45,835 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 08:35:45,835 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 08:35:45,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:35:45,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1563904748, now seen corresponding path program 1 times [2025-02-06 08:35:45,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:35:45,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844556397] [2025-02-06 08:35:45,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:35:45,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:35:45,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 08:35:45,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 08:35:45,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:35:45,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:35:46,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 08:35:46,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:35:46,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844556397] [2025-02-06 08:35:46,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844556397] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:35:46,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:35:46,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 08:35:46,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894500859] [2025-02-06 08:35:46,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:35:46,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 08:35:46,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:35:46,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 08:35:46,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 08:35:46,089 INFO L87 Difference]: Start difference. First operand has 457 states, 448 states have (on average 1.6138392857142858) internal successors, (723), 449 states have internal predecessors, (723), 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) [2025-02-06 08:35:46,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 08:35:46,574 INFO L93 Difference]: Finished difference Result 1230 states and 1982 transitions. [2025-02-06 08:35:46,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 08:35:46,576 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 [2025-02-06 08:35:46,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 08:35:46,584 INFO L225 Difference]: With dead ends: 1230 [2025-02-06 08:35:46,584 INFO L226 Difference]: Without dead ends: 711 [2025-02-06 08:35:46,587 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 [2025-02-06 08:35:46,589 INFO L435 NwaCegarLoop]: 608 mSDtfsCounter, 464 mSDsluCounter, 1139 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 1747 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 08:35:46,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 1747 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 08:35:46,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2025-02-06 08:35:46,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 711. [2025-02-06 08:35:46,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 700 states have (on average 1.46) internal successors, (1022), 700 states have internal predecessors, (1022), 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) [2025-02-06 08:35:46,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 1040 transitions. [2025-02-06 08:35:46,649 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 1040 transitions. Word has length 9 [2025-02-06 08:35:46,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 08:35:46,649 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 1040 transitions. [2025-02-06 08:35:46,649 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) [2025-02-06 08:35:46,650 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1040 transitions. [2025-02-06 08:35:46,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-02-06 08:35:46,658 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 08:35:46,658 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, 1, 1] [2025-02-06 08:35:46,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 08:35:46,658 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 08:35:46,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:35:46,659 INFO L85 PathProgramCache]: Analyzing trace with hash -39225409, now seen corresponding path program 1 times [2025-02-06 08:35:46,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:35:46,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331507549] [2025-02-06 08:35:46,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:35:46,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:35:46,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-06 08:35:46,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-06 08:35:46,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:35:46,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:35:47,186 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 08:35:47,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:35:47,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331507549] [2025-02-06 08:35:47,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331507549] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:35:47,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:35:47,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 08:35:47,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301976483] [2025-02-06 08:35:47,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:35:47,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 08:35:47,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:35:47,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 08:35:47,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 08:35:47,190 INFO L87 Difference]: Start difference. First operand 711 states and 1040 transitions. Second operand has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 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) [2025-02-06 08:35:47,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 08:35:47,419 INFO L93 Difference]: Finished difference Result 1369 states and 1998 transitions. [2025-02-06 08:35:47,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 08:35:47,420 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 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 168 [2025-02-06 08:35:47,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 08:35:47,422 INFO L225 Difference]: With dead ends: 1369 [2025-02-06 08:35:47,423 INFO L226 Difference]: Without dead ends: 717 [2025-02-06 08:35:47,424 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 [2025-02-06 08:35:47,424 INFO L435 NwaCegarLoop]: 499 mSDtfsCounter, 106 mSDsluCounter, 914 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1413 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 08:35:47,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1413 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 08:35:47,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2025-02-06 08:35:47,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 711. [2025-02-06 08:35:47,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 700 states have (on average 1.44) internal successors, (1008), 700 states have internal predecessors, (1008), 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) [2025-02-06 08:35:47,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 1026 transitions. [2025-02-06 08:35:47,445 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 1026 transitions. Word has length 168 [2025-02-06 08:35:47,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 08:35:47,446 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 1026 transitions. [2025-02-06 08:35:47,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 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) [2025-02-06 08:35:47,446 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1026 transitions. [2025-02-06 08:35:47,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-02-06 08:35:47,452 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 08:35:47,452 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, 1, 1] [2025-02-06 08:35:47,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 08:35:47,452 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 08:35:47,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:35:47,453 INFO L85 PathProgramCache]: Analyzing trace with hash 887156696, now seen corresponding path program 1 times [2025-02-06 08:35:47,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:35:47,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45682913] [2025-02-06 08:35:47,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:35:47,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:35:47,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-06 08:35:47,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-06 08:35:47,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:35:47,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:35:47,728 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 08:35:47,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:35:47,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45682913] [2025-02-06 08:35:47,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45682913] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:35:47,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:35:47,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 08:35:47,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540437040] [2025-02-06 08:35:47,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:35:47,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:35:47,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:35:47,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:35:47,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:35:47,732 INFO L87 Difference]: Start difference. First operand 711 states and 1026 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2025-02-06 08:35:47,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 08:35:47,843 INFO L93 Difference]: Finished difference Result 1359 states and 1965 transitions. [2025-02-06 08:35:47,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:35:47,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 168 [2025-02-06 08:35:47,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 08:35:47,846 INFO L225 Difference]: With dead ends: 1359 [2025-02-06 08:35:47,847 INFO L226 Difference]: Without dead ends: 723 [2025-02-06 08:35:47,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:35:47,850 INFO L435 NwaCegarLoop]: 513 mSDtfsCounter, 2 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 08:35:47,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1004 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 08:35:47,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2025-02-06 08:35:47,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 723. [2025-02-06 08:35:47,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 712 states have (on average 1.4325842696629214) internal successors, (1020), 712 states have internal predecessors, (1020), 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) [2025-02-06 08:35:47,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 1038 transitions. [2025-02-06 08:35:47,872 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 1038 transitions. Word has length 168 [2025-02-06 08:35:47,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 08:35:47,873 INFO L471 AbstractCegarLoop]: Abstraction has 723 states and 1038 transitions. [2025-02-06 08:35:47,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2025-02-06 08:35:47,873 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1038 transitions. [2025-02-06 08:35:47,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-02-06 08:35:47,876 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 08:35:47,876 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, 1, 1] [2025-02-06 08:35:47,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 08:35:47,876 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 08:35:47,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:35:47,877 INFO L85 PathProgramCache]: Analyzing trace with hash -990112199, now seen corresponding path program 1 times [2025-02-06 08:35:47,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:35:47,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296450813] [2025-02-06 08:35:47,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:35:47,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:35:47,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-06 08:35:47,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-06 08:35:47,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:35:47,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:35:48,112 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 08:35:48,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:35:48,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296450813] [2025-02-06 08:35:48,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296450813] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:35:48,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:35:48,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 08:35:48,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865306455] [2025-02-06 08:35:48,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:35:48,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:35:48,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:35:48,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:35:48,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:35:48,113 INFO L87 Difference]: Start difference. First operand 723 states and 1038 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2025-02-06 08:35:48,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 08:35:48,336 INFO L93 Difference]: Finished difference Result 1297 states and 1865 transitions. [2025-02-06 08:35:48,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:35:48,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 168 [2025-02-06 08:35:48,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 08:35:48,339 INFO L225 Difference]: With dead ends: 1297 [2025-02-06 08:35:48,339 INFO L226 Difference]: Without dead ends: 721 [2025-02-06 08:35:48,340 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 [2025-02-06 08:35:48,341 INFO L435 NwaCegarLoop]: 518 mSDtfsCounter, 134 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1028 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 08:35:48,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1028 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 08:35:48,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2025-02-06 08:35:48,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2025-02-06 08:35:48,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 710 states have (on average 1.4323943661971832) internal successors, (1017), 710 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) [2025-02-06 08:35:48,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1035 transitions. [2025-02-06 08:35:48,357 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1035 transitions. Word has length 168 [2025-02-06 08:35:48,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 08:35:48,357 INFO L471 AbstractCegarLoop]: Abstraction has 721 states and 1035 transitions. [2025-02-06 08:35:48,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2025-02-06 08:35:48,357 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1035 transitions. [2025-02-06 08:35:48,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2025-02-06 08:35:48,358 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 08:35:48,359 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] [2025-02-06 08:35:48,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 08:35:48,359 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 08:35:48,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:35:48,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1220722423, now seen corresponding path program 1 times [2025-02-06 08:35:48,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:35:48,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751984573] [2025-02-06 08:35:48,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:35:48,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:35:48,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-02-06 08:35:48,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-02-06 08:35:48,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:35:48,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:35:48,676 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 08:35:48,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:35:48,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751984573] [2025-02-06 08:35:48,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751984573] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:35:48,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:35:48,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 08:35:48,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392351527] [2025-02-06 08:35:48,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:35:48,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 08:35:48,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:35:48,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 08:35:48,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 08:35:48,678 INFO L87 Difference]: Start difference. First operand 721 states and 1035 transitions. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 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) [2025-02-06 08:35:48,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 08:35:48,796 INFO L93 Difference]: Finished difference Result 1157 states and 1658 transitions. [2025-02-06 08:35:48,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 08:35:48,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 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 183 [2025-02-06 08:35:48,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 08:35:48,799 INFO L225 Difference]: With dead ends: 1157 [2025-02-06 08:35:48,799 INFO L226 Difference]: Without dead ends: 637 [2025-02-06 08:35:48,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 08:35:48,800 INFO L435 NwaCegarLoop]: 427 mSDtfsCounter, 30 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 08:35:48,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1262 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 08:35:48,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2025-02-06 08:35:48,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2025-02-06 08:35:48,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 626 states have (on average 1.378594249201278) internal successors, (863), 626 states have internal predecessors, (863), 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) [2025-02-06 08:35:48,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 881 transitions. [2025-02-06 08:35:48,814 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 881 transitions. Word has length 183 [2025-02-06 08:35:48,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 08:35:48,815 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 881 transitions. [2025-02-06 08:35:48,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 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) [2025-02-06 08:35:48,816 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 881 transitions. [2025-02-06 08:35:48,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2025-02-06 08:35:48,817 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 08:35:48,817 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] [2025-02-06 08:35:48,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 08:35:48,818 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 08:35:48,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:35:48,818 INFO L85 PathProgramCache]: Analyzing trace with hash -857793917, now seen corresponding path program 1 times [2025-02-06 08:35:48,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:35:48,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787216520] [2025-02-06 08:35:48,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:35:48,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:35:48,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-02-06 08:35:49,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-02-06 08:35:49,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:35:49,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:35:49,652 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 08:35:49,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:35:49,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787216520] [2025-02-06 08:35:49,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787216520] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 08:35:49,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104599605] [2025-02-06 08:35:49,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:35:49,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 08:35:49,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 08:35:49,659 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 08:35:49,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 08:35:49,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-02-06 08:35:50,104 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-02-06 08:35:50,105 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:35:50,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:35:50,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-06 08:35:50,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 08:35:50,152 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 16 treesize of output 17 [2025-02-06 08:35:50,895 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 08:35:50,896 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 08:35:50,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104599605] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:35:50,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 08:35:50,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-02-06 08:35:50,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289088498] [2025-02-06 08:35:50,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:35:50,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 08:35:50,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:35:50,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 08:35:50,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-02-06 08:35:50,897 INFO L87 Difference]: Start difference. First operand 637 states and 881 transitions. Second operand has 11 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 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) [2025-02-06 08:35:53,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 08:35:53,759 INFO L93 Difference]: Finished difference Result 1280 states and 1761 transitions. [2025-02-06 08:35:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 08:35:53,763 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 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 [2025-02-06 08:35:53,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 08:35:53,765 INFO L225 Difference]: With dead ends: 1280 [2025-02-06 08:35:53,765 INFO L226 Difference]: Without dead ends: 734 [2025-02-06 08:35:53,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-02-06 08:35:53,766 INFO L435 NwaCegarLoop]: 430 mSDtfsCounter, 719 mSDsluCounter, 2144 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 2574 SdHoareTripleChecker+Invalid, 1303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2025-02-06 08:35:53,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [724 Valid, 2574 Invalid, 1303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2025-02-06 08:35:53,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2025-02-06 08:35:53,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 668. [2025-02-06 08:35:53,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 657 states have (on average 1.3683409436834095) internal successors, (899), 657 states have internal predecessors, (899), 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) [2025-02-06 08:35:53,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 917 transitions. [2025-02-06 08:35:53,780 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 917 transitions. Word has length 183 [2025-02-06 08:35:53,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 08:35:53,780 INFO L471 AbstractCegarLoop]: Abstraction has 668 states and 917 transitions. [2025-02-06 08:35:53,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 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) [2025-02-06 08:35:53,780 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 917 transitions. [2025-02-06 08:35:53,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-02-06 08:35:53,781 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 08:35:53,781 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] [2025-02-06 08:35:53,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 08:35:53,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 08:35:53,986 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 08:35:53,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:35:53,990 INFO L85 PathProgramCache]: Analyzing trace with hash -2070072235, now seen corresponding path program 1 times [2025-02-06 08:35:53,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:35:53,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563464374] [2025-02-06 08:35:53,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:35:53,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:35:54,041 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-02-06 08:35:54,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-02-06 08:35:54,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:35:54,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:35:54,619 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 08:35:54,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:35:54,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563464374] [2025-02-06 08:35:54,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563464374] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 08:35:54,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752670469] [2025-02-06 08:35:54,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:35:54,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 08:35:54,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 08:35:54,621 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 08:35:54,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 08:35:54,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-02-06 08:35:55,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-02-06 08:35:55,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:35:55,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:35:55,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-06 08:35:55,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 08:35:55,123 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 08:35:55,124 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 08:35:55,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752670469] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:35:55,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 08:35:55,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2025-02-06 08:35:55,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995781278] [2025-02-06 08:35:55,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:35:55,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 08:35:55,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:35:55,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 08:35:55,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 08:35:55,125 INFO L87 Difference]: Start difference. First operand 668 states and 917 transitions. Second operand has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 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) [2025-02-06 08:35:55,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 08:35:55,345 INFO L93 Difference]: Finished difference Result 1263 states and 1737 transitions. [2025-02-06 08:35:55,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 08:35:55,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 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 [2025-02-06 08:35:55,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 08:35:55,348 INFO L225 Difference]: With dead ends: 1263 [2025-02-06 08:35:55,348 INFO L226 Difference]: Without dead ends: 717 [2025-02-06 08:35:55,349 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 08:35:55,349 INFO L435 NwaCegarLoop]: 437 mSDtfsCounter, 17 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 08:35:55,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1145 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 08:35:55,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2025-02-06 08:35:55,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 701. [2025-02-06 08:35:55,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 690 states have (on average 1.3594202898550725) internal successors, (938), 690 states have internal predecessors, (938), 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) [2025-02-06 08:35:55,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 956 transitions. [2025-02-06 08:35:55,363 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 956 transitions. Word has length 184 [2025-02-06 08:35:55,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 08:35:55,363 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 956 transitions. [2025-02-06 08:35:55,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 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) [2025-02-06 08:35:55,363 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 956 transitions. [2025-02-06 08:35:55,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2025-02-06 08:35:55,365 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 08:35:55,365 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, 1] [2025-02-06 08:35:55,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 08:35:55,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 08:35:55,569 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 08:35:55,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:35:55,570 INFO L85 PathProgramCache]: Analyzing trace with hash -756675360, now seen corresponding path program 1 times [2025-02-06 08:35:55,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:35:55,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868572153] [2025-02-06 08:35:55,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:35:55,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:35:55,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 185 statements into 1 equivalence classes. [2025-02-06 08:35:55,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 185 of 185 statements. [2025-02-06 08:35:55,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:35:55,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:35:55,967 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 08:35:55,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:35:55,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868572153] [2025-02-06 08:35:55,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868572153] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:35:55,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:35:55,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 08:35:55,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589951556] [2025-02-06 08:35:55,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:35:55,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 08:35:55,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:35:55,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 08:35:55,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 08:35:55,969 INFO L87 Difference]: Start difference. First operand 701 states and 956 transitions. Second operand has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 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) [2025-02-06 08:35:56,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 08:35:56,386 INFO L93 Difference]: Finished difference Result 1288 states and 1762 transitions. [2025-02-06 08:35:56,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 08:35:56,386 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 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 185 [2025-02-06 08:35:56,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 08:35:56,388 INFO L225 Difference]: With dead ends: 1288 [2025-02-06 08:35:56,388 INFO L226 Difference]: Without dead ends: 713 [2025-02-06 08:35:56,389 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 [2025-02-06 08:35:56,390 INFO L435 NwaCegarLoop]: 436 mSDtfsCounter, 8 mSDsluCounter, 1272 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1708 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 08:35:56,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1708 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 08:35:56,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2025-02-06 08:35:56,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 709. [2025-02-06 08:35:56,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 709 states, 698 states have (on average 1.3581661891117478) internal successors, (948), 698 states have internal predecessors, (948), 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) [2025-02-06 08:35:56,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 966 transitions. [2025-02-06 08:35:56,405 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 966 transitions. Word has length 185 [2025-02-06 08:35:56,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 08:35:56,405 INFO L471 AbstractCegarLoop]: Abstraction has 709 states and 966 transitions. [2025-02-06 08:35:56,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 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) [2025-02-06 08:35:56,406 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 966 transitions. [2025-02-06 08:35:56,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-02-06 08:35:56,407 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 08:35:56,407 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, 1, 1] [2025-02-06 08:35:56,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 08:35:56,407 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 08:35:56,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:35:56,408 INFO L85 PathProgramCache]: Analyzing trace with hash 894449777, now seen corresponding path program 1 times [2025-02-06 08:35:56,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:35:56,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514974118] [2025-02-06 08:35:56,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:35:56,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:35:56,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-02-06 08:35:56,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-02-06 08:35:56,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:35:56,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:35:56,753 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 08:35:56,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:35:56,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514974118] [2025-02-06 08:35:56,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514974118] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:35:56,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:35:56,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 08:35:56,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610389821] [2025-02-06 08:35:56,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:35:56,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 08:35:56,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:35:56,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 08:35:56,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 08:35:56,755 INFO L87 Difference]: Start difference. First operand 709 states and 966 transitions. Second operand has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 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) [2025-02-06 08:35:57,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 08:35:57,251 INFO L93 Difference]: Finished difference Result 1303 states and 1782 transitions. [2025-02-06 08:35:57,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 08:35:57,252 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 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 186 [2025-02-06 08:35:57,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 08:35:57,254 INFO L225 Difference]: With dead ends: 1303 [2025-02-06 08:35:57,254 INFO L226 Difference]: Without dead ends: 731 [2025-02-06 08:35:57,255 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 [2025-02-06 08:35:57,255 INFO L435 NwaCegarLoop]: 428 mSDtfsCounter, 12 mSDsluCounter, 1593 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2021 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 08:35:57,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2021 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 863 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 08:35:57,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2025-02-06 08:35:57,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 725. [2025-02-06 08:35:57,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 714 states have (on average 1.3585434173669468) internal successors, (970), 714 states have internal predecessors, (970), 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) [2025-02-06 08:35:57,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 988 transitions. [2025-02-06 08:35:57,269 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 988 transitions. Word has length 186 [2025-02-06 08:35:57,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 08:35:57,270 INFO L471 AbstractCegarLoop]: Abstraction has 725 states and 988 transitions. [2025-02-06 08:35:57,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 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) [2025-02-06 08:35:57,270 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 988 transitions. [2025-02-06 08:35:57,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-02-06 08:35:57,271 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 08:35:57,271 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, 1, 1] [2025-02-06 08:35:57,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 08:35:57,272 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 08:35:57,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:35:57,272 INFO L85 PathProgramCache]: Analyzing trace with hash -700181055, now seen corresponding path program 1 times [2025-02-06 08:35:57,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:35:57,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383615922] [2025-02-06 08:35:57,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:35:57,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:35:57,321 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-02-06 08:35:57,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-02-06 08:35:57,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:35:57,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:35:57,697 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 08:35:57,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:35:57,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383615922] [2025-02-06 08:35:57,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383615922] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 08:35:57,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688734624] [2025-02-06 08:35:57,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:35:57,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 08:35:57,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 08:35:57,701 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 08:35:57,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 08:35:57,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-02-06 08:35:58,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-02-06 08:35:58,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:35:58,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:35:58,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 08:35:58,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 08:35:58,223 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 08:35:58,223 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 08:35:58,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688734624] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:35:58,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 08:35:58,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 6 [2025-02-06 08:35:58,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800087038] [2025-02-06 08:35:58,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:35:58,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 08:35:58,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:35:58,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 08:35:58,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 08:35:58,225 INFO L87 Difference]: Start difference. First operand 725 states and 988 transitions. Second operand has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 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) [2025-02-06 08:35:58,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 08:35:58,391 INFO L93 Difference]: Finished difference Result 1329 states and 1818 transitions. [2025-02-06 08:35:58,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 08:35:58,392 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 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 186 [2025-02-06 08:35:58,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 08:35:58,395 INFO L225 Difference]: With dead ends: 1329 [2025-02-06 08:35:58,395 INFO L226 Difference]: Without dead ends: 789 [2025-02-06 08:35:58,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 08:35:58,397 INFO L435 NwaCegarLoop]: 438 mSDtfsCounter, 445 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 1742 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 08:35:58,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 1742 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 08:35:58,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2025-02-06 08:35:58,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 728. [2025-02-06 08:35:58,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 716 states have (on average 1.3589385474860336) internal successors, (973), 717 states have internal predecessors, (973), 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) [2025-02-06 08:35:58,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 994 transitions. [2025-02-06 08:35:58,414 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 994 transitions. Word has length 186 [2025-02-06 08:35:58,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 08:35:58,414 INFO L471 AbstractCegarLoop]: Abstraction has 728 states and 994 transitions. [2025-02-06 08:35:58,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 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) [2025-02-06 08:35:58,414 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 994 transitions. [2025-02-06 08:35:58,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-06 08:35:58,416 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 08:35:58,416 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] [2025-02-06 08:35:58,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 08:35:58,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 08:35:58,620 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 08:35:58,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:35:58,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1086469505, now seen corresponding path program 1 times [2025-02-06 08:35:58,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:35:58,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522601873] [2025-02-06 08:35:58,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:35:58,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:35:58,683 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-06 08:35:59,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-06 08:35:59,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:35:59,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:35:59,246 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-06 08:35:59,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:35:59,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522601873] [2025-02-06 08:35:59,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522601873] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 08:35:59,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405842141] [2025-02-06 08:35:59,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:35:59,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 08:35:59,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 08:35:59,251 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 08:35:59,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 08:35:59,547 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-06 08:35:59,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-06 08:35:59,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:35:59,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:35:59,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 157 conjuncts are in the unsatisfiable core [2025-02-06 08:35:59,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 08:35:59,813 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 [2025-02-06 08:35:59,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2025-02-06 08:36:00,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 21 [2025-02-06 08:36:00,293 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 [2025-02-06 08:36:00,301 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 [2025-02-06 08:36:00,313 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 [2025-02-06 08:36:00,317 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 [2025-02-06 08:36:00,332 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2025-02-06 08:36:00,333 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 [2025-02-06 08:36:00,346 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 [2025-02-06 08:36:00,413 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 [2025-02-06 08:36:00,417 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 [2025-02-06 08:36:00,420 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 [2025-02-06 08:36:00,549 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2025-02-06 08:36:00,549 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 [2025-02-06 08:36:00,554 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 [2025-02-06 08:36:00,566 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