./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-45.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-45.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a87b1445829ed3e5d4b1e8d4b5847d1f5634c4a1659432e4da11a1afd44c4303 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 23:55:13,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 23:55:13,370 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-16 23:55:13,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 23:55:13,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 23:55:13,398 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 23:55:13,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 23:55:13,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 23:55:13,398 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 23:55:13,398 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 23:55:13,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 23:55:13,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 23:55:13,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 23:55:13,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 23:55:13,399 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 23:55:13,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 23:55:13,399 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 23:55:13,399 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 23:55:13,399 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 23:55:13,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 23:55:13,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 23:55:13,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 23:55:13,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 23:55:13,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 23:55:13,401 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 23:55:13,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 23:55:13,402 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 23:55:13,402 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 23:55:13,402 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 23:55:13,402 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 23:55:13,402 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 23:55:13,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 23:55:13,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 23:55:13,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 23:55:13,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 23:55:13,403 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 23:55:13,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 23:55:13,403 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 23:55:13,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 23:55:13,403 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 23:55:13,403 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 23:55:13,403 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 23:55:13,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 23:55:13,403 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a87b1445829ed3e5d4b1e8d4b5847d1f5634c4a1659432e4da11a1afd44c4303 [2025-03-16 23:55:13,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 23:55:13,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 23:55:13,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 23:55:13,631 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 23:55:13,631 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 23:55:13,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-45.i [2025-03-16 23:55:14,781 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3a263f4/bc00c499ae3143e4b0c8ed04a76b2633/FLAGe749c82a3 [2025-03-16 23:55:15,034 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 23:55:15,034 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-45.i [2025-03-16 23:55:15,043 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3a263f4/bc00c499ae3143e4b0c8ed04a76b2633/FLAGe749c82a3 [2025-03-16 23:55:15,355 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3a263f4/bc00c499ae3143e4b0c8ed04a76b2633 [2025-03-16 23:55:15,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 23:55:15,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 23:55:15,358 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 23:55:15,358 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 23:55:15,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 23:55:15,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 11:55:15" (1/1) ... [2025-03-16 23:55:15,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6edcc854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:55:15, skipping insertion in model container [2025-03-16 23:55:15,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 11:55:15" (1/1) ... [2025-03-16 23:55:15,378 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 23:55:15,463 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-45.i[915,928] [2025-03-16 23:55:15,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 23:55:15,519 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 23:55:15,525 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-45.i[915,928] [2025-03-16 23:55:15,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 23:55:15,560 INFO L204 MainTranslator]: Completed translation [2025-03-16 23:55:15,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:55:15 WrapperNode [2025-03-16 23:55:15,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 23:55:15,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 23:55:15,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 23:55:15,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 23:55:15,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:55:15" (1/1) ... [2025-03-16 23:55:15,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:55:15" (1/1) ... [2025-03-16 23:55:15,591 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 164 [2025-03-16 23:55:15,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 23:55:15,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 23:55:15,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 23:55:15,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 23:55:15,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:55:15" (1/1) ... [2025-03-16 23:55:15,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:55:15" (1/1) ... [2025-03-16 23:55:15,604 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:55:15" (1/1) ... [2025-03-16 23:55:15,620 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-16 23:55:15,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:55:15" (1/1) ... [2025-03-16 23:55:15,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:55:15" (1/1) ... [2025-03-16 23:55:15,626 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:55:15" (1/1) ... [2025-03-16 23:55:15,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:55:15" (1/1) ... [2025-03-16 23:55:15,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:55:15" (1/1) ... [2025-03-16 23:55:15,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:55:15" (1/1) ... [2025-03-16 23:55:15,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 23:55:15,634 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 23:55:15,634 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 23:55:15,634 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 23:55:15,635 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:55:15" (1/1) ... [2025-03-16 23:55:15,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 23:55:15,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 23:55:15,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-16 23:55:15,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-16 23:55:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 23:55:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-16 23:55:15,682 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-16 23:55:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-16 23:55:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 23:55:15,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 23:55:15,749 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 23:55:15,751 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 23:55:15,989 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-03-16 23:55:15,990 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 23:55:15,998 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 23:55:15,998 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 23:55:15,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 11:55:15 BoogieIcfgContainer [2025-03-16 23:55:15,998 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 23:55:16,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 23:55:16,000 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 23:55:16,003 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 23:55:16,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 11:55:15" (1/3) ... [2025-03-16 23:55:16,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792d1161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:55:16, skipping insertion in model container [2025-03-16 23:55:16,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 11:55:15" (2/3) ... [2025-03-16 23:55:16,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792d1161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:55:16, skipping insertion in model container [2025-03-16 23:55:16,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 11:55:15" (3/3) ... [2025-03-16 23:55:16,006 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-45.i [2025-03-16 23:55:16,017 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 23:55:16,019 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-45.i that has 2 procedures, 65 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 23:55:16,068 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 23:55:16,076 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;@3188fb23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 23:55:16,077 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 23:55:16,080 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-16 23:55:16,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2025-03-16 23:55:16,088 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 23:55:16,089 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 23:55:16,089 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 23:55:16,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 23:55:16,094 INFO L85 PathProgramCache]: Analyzing trace with hash -686369984, now seen corresponding path program 1 times [2025-03-16 23:55:16,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 23:55:16,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582371150] [2025-03-16 23:55:16,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 23:55:16,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 23:55:16,159 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-03-16 23:55:16,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-03-16 23:55:16,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 23:55:16,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 23:55:16,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2025-03-16 23:55:16,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 23:55:16,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582371150] [2025-03-16 23:55:16,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582371150] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-16 23:55:16,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118632719] [2025-03-16 23:55:16,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 23:55:16,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 23:55:16,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 23:55:16,362 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-16 23:55:16,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-16 23:55:16,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-03-16 23:55:16,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-03-16 23:55:16,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 23:55:16,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 23:55:16,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-16 23:55:16,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 23:55:16,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2025-03-16 23:55:16,555 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 23:55:16,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118632719] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 23:55:16,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-16 23:55:16,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-16 23:55:16,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867698156] [2025-03-16 23:55:16,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 23:55:16,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-16 23:55:16,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 23:55:16,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-16 23:55:16,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 23:55:16,575 INFO L87 Difference]: Start difference. First operand has 65 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-16 23:55:16,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 23:55:16,598 INFO L93 Difference]: Finished difference Result 127 states and 225 transitions. [2025-03-16 23:55:16,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-16 23:55:16,600 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 153 [2025-03-16 23:55:16,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 23:55:16,604 INFO L225 Difference]: With dead ends: 127 [2025-03-16 23:55:16,604 INFO L226 Difference]: Without dead ends: 63 [2025-03-16 23:55:16,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 23:55:16,608 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 23:55:16,608 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 23:55:16,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2025-03-16 23:55:16,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2025-03-16 23:55:16,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 36 states have internal predecessors, (47), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-16 23:55:16,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 97 transitions. [2025-03-16 23:55:16,636 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 97 transitions. Word has length 153 [2025-03-16 23:55:16,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 23:55:16,636 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 97 transitions. [2025-03-16 23:55:16,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-16 23:55:16,636 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 97 transitions. [2025-03-16 23:55:16,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2025-03-16 23:55:16,638 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 23:55:16,638 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 23:55:16,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-16 23:55:16,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-16 23:55:16,840 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 23:55:16,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 23:55:16,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1835506625, now seen corresponding path program 1 times [2025-03-16 23:55:16,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 23:55:16,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623558832] [2025-03-16 23:55:16,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 23:55:16,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 23:55:16,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-03-16 23:55:16,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-03-16 23:55:16,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 23:55:16,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 23:55:17,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2025-03-16 23:55:17,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 23:55:17,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623558832] [2025-03-16 23:55:17,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623558832] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 23:55:17,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 23:55:17,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 23:55:17,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845539238] [2025-03-16 23:55:17,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 23:55:17,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-16 23:55:17,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 23:55:17,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-16 23:55:17,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 23:55:17,048 INFO L87 Difference]: Start difference. First operand 63 states and 97 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2025-03-16 23:55:17,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 23:55:17,097 INFO L93 Difference]: Finished difference Result 184 states and 283 transitions. [2025-03-16 23:55:17,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-16 23:55:17,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 153 [2025-03-16 23:55:17,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 23:55:17,099 INFO L225 Difference]: With dead ends: 184 [2025-03-16 23:55:17,099 INFO L226 Difference]: Without dead ends: 122 [2025-03-16 23:55:17,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 23:55:17,100 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 86 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 23:55:17,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 188 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 23:55:17,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-03-16 23:55:17,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2025-03-16 23:55:17,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 67 states have (on average 1.2388059701492538) internal successors, (83), 67 states have internal predecessors, (83), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2025-03-16 23:55:17,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 183 transitions. [2025-03-16 23:55:17,117 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 183 transitions. Word has length 153 [2025-03-16 23:55:17,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 23:55:17,117 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 183 transitions. [2025-03-16 23:55:17,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2025-03-16 23:55:17,117 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 183 transitions. [2025-03-16 23:55:17,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-03-16 23:55:17,119 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 23:55:17,119 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 23:55:17,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-16 23:55:17,119 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 23:55:17,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 23:55:17,120 INFO L85 PathProgramCache]: Analyzing trace with hash -425094466, now seen corresponding path program 1 times [2025-03-16 23:55:17,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 23:55:17,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934647331] [2025-03-16 23:55:17,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 23:55:17,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 23:55:17,135 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-16 23:55:17,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-16 23:55:17,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 23:55:17,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat