./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c -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 6518e3283e254ed16f96ad802609fc9f9c972959c7f4631066de203a846c5b0d --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 14:06:37,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 14:06:37,614 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 14:06:37,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 14:06:37,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 14:06:37,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 14:06:37,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 14:06:37,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 14:06:37,637 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 14:06:37,638 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 14:06:37,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 14:06:37,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 14:06:37,638 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 14:06:37,638 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 14:06:37,638 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 14:06:37,638 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 14:06:37,638 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 14:06:37,638 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 14:06:37,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 14:06:37,638 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 14:06:37,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 14:06:37,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 14:06:37,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 14:06:37,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 14:06:37,638 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 14:06:37,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 14:06:37,640 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 14:06:37,640 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 14:06:37,640 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 14:06:37,640 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 14:06:37,641 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 14:06:37,641 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 14:06:37,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:06:37,641 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 14:06:37,641 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 14:06:37,641 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 14:06:37,641 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 14:06:37,641 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 14:06:37,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 14:06:37,641 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 14:06:37,641 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 14:06:37,641 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 14:06:37,642 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 14:06:37,642 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 -> 6518e3283e254ed16f96ad802609fc9f9c972959c7f4631066de203a846c5b0d [2025-03-03 14:06:37,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 14:06:37,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 14:06:37,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 14:06:37,878 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 14:06:37,879 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 14:06:37,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2025-03-03 14:06:38,965 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3118087b8/862a431338a64dcca2a4f2d1475e483c/FLAG24344780e [2025-03-03 14:06:39,173 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 14:06:39,173 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2025-03-03 14:06:39,183 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3118087b8/862a431338a64dcca2a4f2d1475e483c/FLAG24344780e [2025-03-03 14:06:39,533 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3118087b8/862a431338a64dcca2a4f2d1475e483c [2025-03-03 14:06:39,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 14:06:39,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 14:06:39,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 14:06:39,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 14:06:39,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 14:06:39,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:06:39" (1/1) ... [2025-03-03 14:06:39,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@410a4a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:06:39, skipping insertion in model container [2025-03-03 14:06:39,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:06:39" (1/1) ... [2025-03-03 14:06:39,550 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 14:06:39,643 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/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2025-03-03 14:06:39,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:06:39,663 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 14:06:39,673 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/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2025-03-03 14:06:39,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:06:39,691 INFO L204 MainTranslator]: Completed translation [2025-03-03 14:06:39,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:06:39 WrapperNode [2025-03-03 14:06:39,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 14:06:39,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 14:06:39,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 14:06:39,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 14:06:39,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:06:39" (1/1) ... [2025-03-03 14:06:39,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:06:39" (1/1) ... [2025-03-03 14:06:39,714 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2025-03-03 14:06:39,715 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 14:06:39,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 14:06:39,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 14:06:39,716 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 14:06:39,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:06:39" (1/1) ... [2025-03-03 14:06:39,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:06:39" (1/1) ... [2025-03-03 14:06:39,727 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:06:39" (1/1) ... [2025-03-03 14:06:39,738 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2025-03-03 14:06:39,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:06:39" (1/1) ... [2025-03-03 14:06:39,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:06:39" (1/1) ... [2025-03-03 14:06:39,742 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:06:39" (1/1) ... [2025-03-03 14:06:39,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:06:39" (1/1) ... [2025-03-03 14:06:39,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:06:39" (1/1) ... [2025-03-03 14:06:39,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:06:39" (1/1) ... [2025-03-03 14:06:39,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 14:06:39,746 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 14:06:39,748 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 14:06:39,748 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 14:06:39,748 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:06:39" (1/1) ... [2025-03-03 14:06:39,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:06:39,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:06:39,774 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) [2025-03-03 14:06:39,776 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 [2025-03-03 14:06:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 14:06:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 14:06:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 14:06:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 14:06:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-03 14:06:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 14:06:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 14:06:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-03 14:06:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-03 14:06:39,832 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 14:06:39,834 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 14:06:39,932 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2025-03-03 14:06:39,933 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 14:06:39,941 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 14:06:39,941 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 14:06:39,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:06:39 BoogieIcfgContainer [2025-03-03 14:06:39,941 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 14:06:39,943 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 14:06:39,943 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 14:06:39,946 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 14:06:39,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 02:06:39" (1/3) ... [2025-03-03 14:06:39,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc18830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:06:39, skipping insertion in model container [2025-03-03 14:06:39,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:06:39" (2/3) ... [2025-03-03 14:06:39,947 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc18830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:06:39, skipping insertion in model container [2025-03-03 14:06:39,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:06:39" (3/3) ... [2025-03-03 14:06:39,948 INFO L128 eAbstractionObserver]: Analyzing ICFG lcm2_unwindbound5.c [2025-03-03 14:06:39,956 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 14:06:39,957 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG lcm2_unwindbound5.c that has 3 procedures, 27 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 14:06:39,985 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 14:06:39,991 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;@4d9df9e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 14:06:39,991 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 14:06:39,994 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-03 14:06:39,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-03 14:06:39,997 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:06:39,998 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:06:39,998 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:06:40,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:06:40,001 INFO L85 PathProgramCache]: Analyzing trace with hash 32460596, now seen corresponding path program 1 times [2025-03-03 14:06:40,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:06:40,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463599120] [2025-03-03 14:06:40,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:06:40,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:06:40,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-03 14:06:40,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-03 14:06:40,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:06:40,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:06:40,123 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-03-03 14:06:40,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:06:40,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463599120] [2025-03-03 14:06:40,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463599120] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:06:40,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212400114] [2025-03-03 14:06:40,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:06:40,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:06:40,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:06:40,126 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) [2025-03-03 14:06:40,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-03 14:06:40,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-03 14:06:40,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-03 14:06:40,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:06:40,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:06:40,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 14:06:40,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:06:40,190 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-03-03 14:06:40,191 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:06:40,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212400114] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:06:40,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:06:40,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-03 14:06:40,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139696488] [2025-03-03 14:06:40,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:06:40,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 14:06:40,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:06:40,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 14:06:40,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 14:06:40,206 INFO L87 Difference]: Start difference. First operand has 27 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-03 14:06:40,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:06:40,216 INFO L93 Difference]: Finished difference Result 51 states and 74 transitions. [2025-03-03 14:06:40,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 14:06:40,217 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2025-03-03 14:06:40,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:06:40,221 INFO L225 Difference]: With dead ends: 51 [2025-03-03 14:06:40,221 INFO L226 Difference]: Without dead ends: 23 [2025-03-03 14:06:40,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 14:06:40,225 INFO L435 NwaCegarLoop]: 33 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, 33 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 [2025-03-03 14:06:40,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:06:40,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2025-03-03 14:06:40,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2025-03-03 14:06:40,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-03 14:06:40,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2025-03-03 14:06:40,251 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 29 transitions. Word has length 28 [2025-03-03 14:06:40,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:06:40,251 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 29 transitions. [2025-03-03 14:06:40,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-03 14:06:40,252 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2025-03-03 14:06:40,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-03 14:06:40,253 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:06:40,253 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] [2025-03-03 14:06:40,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-03 14:06:40,453 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 [2025-03-03 14:06:40,453 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:06:40,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:06:40,454 INFO L85 PathProgramCache]: Analyzing trace with hash -217542258, now seen corresponding path program 1 times [2025-03-03 14:06:40,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:06:40,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722823722] [2025-03-03 14:06:40,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:06:40,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:06:40,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-03 14:06:40,491 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-03 14:06:40,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:06:40,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-03 14:06:40,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [376120406] [2025-03-03 14:06:40,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:06:40,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:06:40,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:06:40,500 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 14:06:40,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-03 14:06:40,525 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-03 14:06:40,578 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-03 14:06:40,578 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:06:40,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:06:40,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-03 14:06:40,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:06:40,689 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-03 14:06:40,690 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:06:40,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:06:40,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722823722] [2025-03-03 14:06:40,691 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-03 14:06:40,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376120406] [2025-03-03 14:06:40,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376120406] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:06:40,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:06:40,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 14:06:40,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535058832] [2025-03-03 14:06:40,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:06:40,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 14:06:40,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:06:40,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 14:06:40,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 14:06:40,694 INFO L87 Difference]: Start difference. First operand 23 states and 29 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-03 14:06:40,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:06:40,749 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2025-03-03 14:06:40,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 14:06:40,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2025-03-03 14:06:40,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:06:40,750 INFO L225 Difference]: With dead ends: 35 [2025-03-03 14:06:40,750 INFO L226 Difference]: Without dead ends: 32 [2025-03-03 14:06:40,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-03 14:06:40,751 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 6 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 14:06:40,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 85 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:06:40,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2025-03-03 14:06:40,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2025-03-03 14:06:40,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 20 states have (on average 1.2) internal successors, (24), 21 states have internal predecessors, (24), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-03 14:06:40,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions. [2025-03-03 14:06:40,757 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 29 [2025-03-03 14:06:40,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:06:40,757 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions. [2025-03-03 14:06:40,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-03 14:06:40,758 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2025-03-03 14:06:40,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-03 14:06:40,758 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:06:40,758 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:06:40,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-03 14:06:40,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-03 14:06:40,960 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:06:40,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:06:40,961 INFO L85 PathProgramCache]: Analyzing trace with hash -453165689, now seen corresponding path program 1 times [2025-03-03 14:06:40,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:06:40,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082739941] [2025-03-03 14:06:40,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:06:40,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:06:40,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-03 14:06:41,013 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-03 14:06:41,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:06:41,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-03 14:06:41,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1636796276] [2025-03-03 14:06:41,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:06:41,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:06:41,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:06:41,020 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 14:06:41,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-03 14:06:41,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-03 14:06:41,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-03 14:06:41,267 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:06:41,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:06:41,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-03 14:06:41,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:06:41,437 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-03 14:06:41,437 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-03 14:06:41,633 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-03 14:06:41,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:06:41,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082739941] [2025-03-03 14:06:41,634 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-03 14:06:41,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636796276] [2025-03-03 14:06:41,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636796276] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-03 14:06:41,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-03 14:06:41,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2025-03-03 14:06:41,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707215090] [2025-03-03 14:06:41,634 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-03 14:06:41,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-03 14:06:41,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:06:41,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-03 14:06:41,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-03-03 14:06:41,635 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 9 states have internal predecessors, (27), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-03 14:06:42,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:06:42,473 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2025-03-03 14:06:42,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-03 14:06:42,474 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 9 states have internal predecessors, (27), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38 [2025-03-03 14:06:42,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:06:42,474 INFO L225 Difference]: With dead ends: 38 [2025-03-03 14:06:42,474 INFO L226 Difference]: Without dead ends: 0 [2025-03-03 14:06:42,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 64 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-03-03 14:06:42,476 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 11 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-03 14:06:42,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 126 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-03 14:06:42,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-03 14:06:42,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-03 14:06:42,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 14:06:42,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-03 14:06:42,478 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2025-03-03 14:06:42,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:06:42,478 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-03 14:06:42,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 9 states have internal predecessors, (27), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-03 14:06:42,478 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-03 14:06:42,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-03 14:06:42,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 14:06:42,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-03 14:06:42,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:06:42,684 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-03 14:06:42,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-03 14:06:43,853 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 14:06:43,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 02:06:43 BoogieIcfgContainer [2025-03-03 14:06:43,860 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 14:06:43,861 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 14:06:43,861 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 14:06:43,861 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 14:06:43,862 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:06:39" (3/4) ... [2025-03-03 14:06:43,863 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-03 14:06:43,866 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-03-03 14:06:43,866 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2025-03-03 14:06:43,868 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-03-03 14:06:43,868 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-03 14:06:43,868 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-03 14:06:43,868 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 14:06:43,868 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 14:06:43,920 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-03 14:06:43,920 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-03 14:06:43,920 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 14:06:43,921 INFO L158 Benchmark]: Toolchain (without parser) took 4385.62ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 42.4MB in the end (delta: 65.7MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2025-03-03 14:06:43,922 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 201.3MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:06:43,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 156.09ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 96.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 14:06:43,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.75ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 95.3MB in the end (delta: 843.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:06:43,924 INFO L158 Benchmark]: Boogie Preprocessor took 30.11ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 94.5MB in the end (delta: 840.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:06:43,924 INFO L158 Benchmark]: IcfgBuilder took 195.07ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 82.2MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 14:06:43,924 INFO L158 Benchmark]: TraceAbstraction took 3917.59ms. Allocated memory is still 142.6MB. Free memory was 81.3MB in the beginning and 48.2MB in the end (delta: 33.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2025-03-03 14:06:43,924 INFO L158 Benchmark]: Witness Printer took 59.46ms. Allocated memory is still 142.6MB. Free memory was 48.2MB in the beginning and 42.4MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 14:06:43,925 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 201.3MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 156.09ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 96.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.75ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 95.3MB in the end (delta: 843.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.11ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 94.5MB in the end (delta: 840.1kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 195.07ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 82.2MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3917.59ms. Allocated memory is still 142.6MB. Free memory was 81.3MB in the beginning and 48.2MB in the end (delta: 33.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 59.46ms. Allocated memory is still 142.6MB. Free memory was 48.2MB in the beginning and 42.4MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 14]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 244 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 166 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 78 mSDtfsCounter, 99 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 118 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=2, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 413 SizeOfPredicates, 8 NumberOfNonLiveVariables, 304 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 119/130 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 36]: Location Invariant Derived location invariant: (((((unsigned long long) a * b) % 2147483648) * 2) == (((__int128) ((unsigned long long) v * y) + ((unsigned long long) u * x)) % 4294967296)) RESULT: Ultimate proved your program to be correct! [2025-03-03 14:06:43,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE