./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-examples/standard_init5_ground-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed 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/array-examples/standard_init5_ground-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bb3e31ea27a42ae055477cc52227cd03cc6f718b370476afce8b6d4401091af0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 01:34:41,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 01:34:41,804 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 01:34:41,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 01:34:41,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 01:34:41,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 01:34:41,836 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 01:34:41,836 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 01:34:41,836 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 01:34:41,836 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 01:34:41,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 01:34:41,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 01:34:41,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 01:34:41,837 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 01:34:41,838 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 01:34:41,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 01:34:41,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 01:34:41,838 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 01:34:41,839 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 01:34:41,839 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 01:34:41,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 01:34:41,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 01:34:41,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 01:34:41,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 01:34:41,839 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 01:34:41,839 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 01:34:41,839 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 01:34:41,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 01:34:41,840 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 01:34:41,840 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 01:34:41,840 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 01:34:41,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 01:34:41,840 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 01:34:41,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 01:34:41,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:34:41,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 01:34:41,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 01:34:41,841 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 01:34:41,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 01:34:41,841 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 01:34:41,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 01:34:41,841 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 01:34:41,841 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 01:34:41,841 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 01:34:41,841 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 01:34:41,841 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 ! overflow) ) 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 -> bb3e31ea27a42ae055477cc52227cd03cc6f718b370476afce8b6d4401091af0 [2025-03-09 01:34:42,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 01:34:42,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 01:34:42,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 01:34:42,093 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 01:34:42,093 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 01:34:42,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/standard_init5_ground-1.i [2025-03-09 01:34:43,205 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ae234c14/a0b8f3ee2f7140f8b7f0d93d9d39342b/FLAG5848c5e9c [2025-03-09 01:34:43,429 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 01:34:43,430 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_init5_ground-1.i [2025-03-09 01:34:43,435 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ae234c14/a0b8f3ee2f7140f8b7f0d93d9d39342b/FLAG5848c5e9c [2025-03-09 01:34:43,771 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ae234c14/a0b8f3ee2f7140f8b7f0d93d9d39342b [2025-03-09 01:34:43,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 01:34:43,774 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 01:34:43,775 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 01:34:43,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 01:34:43,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 01:34:43,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:34:43" (1/1) ... [2025-03-09 01:34:43,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f99718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:34:43, skipping insertion in model container [2025-03-09 01:34:43,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:34:43" (1/1) ... [2025-03-09 01:34:43,789 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 01:34:43,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:34:43,893 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 01:34:43,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:34:43,913 INFO L204 MainTranslator]: Completed translation [2025-03-09 01:34:43,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:34:43 WrapperNode [2025-03-09 01:34:43,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 01:34:43,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 01:34:43,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 01:34:43,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 01:34:43,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:34:43" (1/1) ... [2025-03-09 01:34:43,924 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:34:43" (1/1) ... [2025-03-09 01:34:43,936 INFO L138 Inliner]: procedures = 15, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2025-03-09 01:34:43,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 01:34:43,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 01:34:43,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 01:34:43,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 01:34:43,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:34:43" (1/1) ... [2025-03-09 01:34:43,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:34:43" (1/1) ... [2025-03-09 01:34:43,943 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:34:43" (1/1) ... [2025-03-09 01:34:43,950 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [2, 6]. 75 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 5 writes are split as follows [0, 5]. [2025-03-09 01:34:43,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:34:43" (1/1) ... [2025-03-09 01:34:43,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:34:43" (1/1) ... [2025-03-09 01:34:43,954 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:34:43" (1/1) ... [2025-03-09 01:34:43,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:34:43" (1/1) ... [2025-03-09 01:34:43,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:34:43" (1/1) ... [2025-03-09 01:34:43,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:34:43" (1/1) ... [2025-03-09 01:34:43,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 01:34:43,958 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 01:34:43,958 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 01:34:43,958 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 01:34:43,959 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:34:43" (1/1) ... [2025-03-09 01:34:43,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:34:43,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:34:43,982 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) [2025-03-09 01:34:43,987 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 [2025-03-09 01:34:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 01:34:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 01:34:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 01:34:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 01:34:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 01:34:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 01:34:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 01:34:44,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 01:34:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 01:34:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 01:34:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 01:34:44,049 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 01:34:44,050 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 01:34:44,155 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15: call ULTIMATE.dealloc(main_~#a~0#1.base, main_~#a~0#1.offset);havoc main_~#a~0#1.base, main_~#a~0#1.offset; [2025-03-09 01:34:44,159 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2025-03-09 01:34:44,159 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 01:34:44,165 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 01:34:44,166 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 01:34:44,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:34:44 BoogieIcfgContainer [2025-03-09 01:34:44,166 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 01:34:44,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 01:34:44,168 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 01:34:44,171 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 01:34:44,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 01:34:43" (1/3) ... [2025-03-09 01:34:44,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@adeadfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:34:44, skipping insertion in model container [2025-03-09 01:34:44,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:34:43" (2/3) ... [2025-03-09 01:34:44,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@adeadfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:34:44, skipping insertion in model container [2025-03-09 01:34:44,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:34:44" (3/3) ... [2025-03-09 01:34:44,173 INFO L128 eAbstractionObserver]: Analyzing ICFG standard_init5_ground-1.i [2025-03-09 01:34:44,184 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 01:34:44,185 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG standard_init5_ground-1.i that has 1 procedures, 40 locations, 1 initial locations, 6 loop locations, and 12 error locations. [2025-03-09 01:34:44,218 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 01:34:44,226 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;@6437d6a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 01:34:44,226 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2025-03-09 01:34:44,229 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 27 states have (on average 1.7407407407407407) internal successors, (47), 39 states have internal predecessors, (47), 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) [2025-03-09 01:34:44,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-09 01:34:44,232 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:34:44,232 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-09 01:34:44,233 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-09 01:34:44,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:34:44,236 INFO L85 PathProgramCache]: Analyzing trace with hash 2369343, now seen corresponding path program 1 times [2025-03-09 01:34:44,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:34:44,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904640718] [2025-03-09 01:34:44,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:34:44,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:34:44,286 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 01:34:44,302 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 01:34:44,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:34:44,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:34:44,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:34:44,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:34:44,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904640718] [2025-03-09 01:34:44,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904640718] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:34:44,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:34:44,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:34:44,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454768671] [2025-03-09 01:34:44,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:34:44,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:34:44,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:34:44,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:34:44,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:34:44,399 INFO L87 Difference]: Start difference. First operand has 40 states, 27 states have (on average 1.7407407407407407) internal successors, (47), 39 states have internal predecessors, (47), 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2025-03-09 01:34:44,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:34:44,504 INFO L93 Difference]: Finished difference Result 89 states and 115 transitions. [2025-03-09 01:34:44,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:34:44,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-03-09 01:34:44,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:34:44,510 INFO L225 Difference]: With dead ends: 89 [2025-03-09 01:34:44,510 INFO L226 Difference]: Without dead ends: 49 [2025-03-09 01:34:44,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:34:44,514 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 9 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:34:44,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 41 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:34:44,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-03-09 01:34:44,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2025-03-09 01:34:44,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 48 states have internal predecessors, (54), 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) [2025-03-09 01:34:44,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2025-03-09 01:34:44,539 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 4 [2025-03-09 01:34:44,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:34:44,539 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2025-03-09 01:34:44,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2025-03-09 01:34:44,539 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2025-03-09 01:34:44,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-09 01:34:44,540 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:34:44,540 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-03-09 01:34:44,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 01:34:44,540 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-09 01:34:44,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:34:44,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1865631626, now seen corresponding path program 1 times [2025-03-09 01:34:44,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:34:44,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131493551] [2025-03-09 01:34:44,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:34:44,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:34:44,547 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 01:34:44,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 01:34:44,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:34:44,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:34:44,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:34:44,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:34:44,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131493551] [2025-03-09 01:34:44,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131493551] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:34:44,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150029307] [2025-03-09 01:34:44,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:34:44,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:34:44,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:34:44,606 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) [2025-03-09 01:34:44,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 01:34:44,640 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 01:34:44,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 01:34:44,649 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:34:44,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:34:44,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 01:34:44,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:34:44,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:34:44,688 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 01:34:44,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150029307] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:34:44,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 01:34:44,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-09 01:34:44,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280460335] [2025-03-09 01:34:44,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:34:44,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:34:44,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:34:44,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:34:44,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 01:34:44,692 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2025-03-09 01:34:44,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:34:44,772 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2025-03-09 01:34:44,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:34:44,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-09 01:34:44,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:34:44,777 INFO L225 Difference]: With dead ends: 49 [2025-03-09 01:34:44,777 INFO L226 Difference]: Without dead ends: 44 [2025-03-09 01:34:44,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 01:34:44,778 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 17 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:34:44,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 17 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:34:44,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2025-03-09 01:34:44,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2025-03-09 01:34:44,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 43 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:34:44,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2025-03-09 01:34:44,784 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 7 [2025-03-09 01:34:44,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:34:44,784 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2025-03-09 01:34:44,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2025-03-09 01:34:44,784 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2025-03-09 01:34:44,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-09 01:34:44,785 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:34:44,785 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2025-03-09 01:34:44,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 01:34:44,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:34:44,986 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-09 01:34:44,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:34:44,987 INFO L85 PathProgramCache]: Analyzing trace with hash 2000005569, now seen corresponding path program 1 times [2025-03-09 01:34:44,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:34:44,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444023473] [2025-03-09 01:34:44,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:34:44,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:34:44,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 01:34:44,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 01:34:44,999 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:34:44,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:34:45,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 01:34:45,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:34:45,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444023473] [2025-03-09 01:34:45,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444023473] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:34:45,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:34:45,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:34:45,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015201933] [2025-03-09 01:34:45,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:34:45,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:34:45,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:34:45,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:34:45,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:34:45,033 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-03-09 01:34:45,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:34:45,075 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2025-03-09 01:34:45,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:34:45,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-03-09 01:34:45,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:34:45,076 INFO L225 Difference]: With dead ends: 44 [2025-03-09 01:34:45,076 INFO L226 Difference]: Without dead ends: 39 [2025-03-09 01:34:45,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:34:45,077 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 8 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:34:45,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 22 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:34:45,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2025-03-09 01:34:45,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 29. [2025-03-09 01:34:45,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:34:45,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2025-03-09 01:34:45,080 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 8 [2025-03-09 01:34:45,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:34:45,081 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2025-03-09 01:34:45,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-03-09 01:34:45,081 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2025-03-09 01:34:45,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-09 01:34:45,081 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:34:45,081 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:34:45,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 01:34:45,082 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-09 01:34:45,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:34:45,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1836386415, now seen corresponding path program 1 times [2025-03-09 01:34:45,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:34:45,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577103840] [2025-03-09 01:34:45,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:34:45,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:34:45,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-09 01:34:45,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 01:34:45,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:34:45,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:34:45,193 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 01:34:45,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:34:45,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577103840] [2025-03-09 01:34:45,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577103840] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:34:45,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529985333] [2025-03-09 01:34:45,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:34:45,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:34:45,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:34:45,197 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) [2025-03-09 01:34:45,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 01:34:45,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-09 01:34:45,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 01:34:45,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:34:45,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:34:45,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 01:34:45,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:34:45,256 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 01:34:45,257 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:34:45,283 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 01:34:45,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529985333] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:34:45,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:34:45,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-03-09 01:34:45,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188683199] [2025-03-09 01:34:45,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:34:45,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 01:34:45,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:34:45,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 01:34:45,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 01:34:45,285 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:34:45,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:34:45,415 INFO L93 Difference]: Finished difference Result 97 states and 121 transitions. [2025-03-09 01:34:45,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 01:34:45,416 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2025-03-09 01:34:45,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:34:45,417 INFO L225 Difference]: With dead ends: 97 [2025-03-09 01:34:45,417 INFO L226 Difference]: Without dead ends: 74 [2025-03-09 01:34:45,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 01:34:45,417 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 44 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:34:45,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 38 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:34:45,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2025-03-09 01:34:45,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2025-03-09 01:34:45,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 72 states have (on average 1.0972222222222223) internal successors, (79), 73 states have internal predecessors, (79), 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) [2025-03-09 01:34:45,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 79 transitions. [2025-03-09 01:34:45,428 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 79 transitions. Word has length 26 [2025-03-09 01:34:45,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:34:45,428 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 79 transitions. [2025-03-09 01:34:45,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:34:45,428 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 79 transitions. [2025-03-09 01:34:45,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-09 01:34:45,430 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:34:45,430 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:34:45,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-09 01:34:45,633 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,SelfDestructingSolverStorable3 [2025-03-09 01:34:45,633 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-09 01:34:45,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:34:45,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1632731430, now seen corresponding path program 2 times [2025-03-09 01:34:45,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:34:45,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915105015] [2025-03-09 01:34:45,634 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:34:45,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:34:45,648 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 71 statements into 2 equivalence classes. [2025-03-09 01:34:45,656 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 11 of 71 statements. [2025-03-09 01:34:45,658 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 01:34:45,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:34:45,694 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2025-03-09 01:34:45,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:34:45,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915105015] [2025-03-09 01:34:45,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915105015] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:34:45,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:34:45,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:34:45,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184437898] [2025-03-09 01:34:45,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:34:45,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:34:45,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:34:45,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:34:45,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:34:45,696 INFO L87 Difference]: Start difference. First operand 74 states and 79 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2025-03-09 01:34:45,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:34:45,714 INFO L93 Difference]: Finished difference Result 81 states and 86 transitions. [2025-03-09 01:34:45,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:34:45,714 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2025-03-09 01:34:45,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:34:45,715 INFO L225 Difference]: With dead ends: 81 [2025-03-09 01:34:45,715 INFO L226 Difference]: Without dead ends: 79 [2025-03-09 01:34:45,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:34:45,716 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:34:45,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 70 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:34:45,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2025-03-09 01:34:45,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2025-03-09 01:34:45,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 77 states have (on average 1.0909090909090908) internal successors, (84), 78 states have internal predecessors, (84), 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) [2025-03-09 01:34:45,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2025-03-09 01:34:45,722 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 71 [2025-03-09 01:34:45,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:34:45,722 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2025-03-09 01:34:45,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2025-03-09 01:34:45,722 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2025-03-09 01:34:45,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-03-09 01:34:45,723 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:34:45,723 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:34:45,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 01:34:45,724 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-09 01:34:45,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:34:45,724 INFO L85 PathProgramCache]: Analyzing trace with hash -751090199, now seen corresponding path program 1 times [2025-03-09 01:34:45,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:34:45,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678514147] [2025-03-09 01:34:45,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:34:45,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:34:45,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-03-09 01:34:45,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-03-09 01:34:45,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:34:45,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:34:45,894 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-03-09 01:34:45,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:34:45,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678514147] [2025-03-09 01:34:45,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678514147] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:34:45,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594833942] [2025-03-09 01:34:45,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:34:45,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:34:45,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:34:45,898 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) [2025-03-09 01:34:45,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 01:34:45,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-03-09 01:34:45,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-03-09 01:34:45,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:34:45,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:34:45,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 01:34:45,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:34:46,015 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-03-09 01:34:46,017 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:34:46,089 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-03-09 01:34:46,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594833942] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:34:46,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:34:46,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2025-03-09 01:34:46,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406014941] [2025-03-09 01:34:46,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:34:46,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 01:34:46,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:34:46,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 01:34:46,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-03-09 01:34:46,091 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 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) [2025-03-09 01:34:46,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:34:46,332 INFO L93 Difference]: Finished difference Result 233 states and 272 transitions. [2025-03-09 01:34:46,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 01:34:46,332 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2025-03-09 01:34:46,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:34:46,333 INFO L225 Difference]: With dead ends: 233 [2025-03-09 01:34:46,333 INFO L226 Difference]: Without dead ends: 169 [2025-03-09 01:34:46,334 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-03-09 01:34:46,334 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 140 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 01:34:46,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 46 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 01:34:46,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2025-03-09 01:34:46,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2025-03-09 01:34:46,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 167 states have (on average 1.0419161676646707) internal successors, (174), 168 states have internal predecessors, (174), 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) [2025-03-09 01:34:46,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 174 transitions. [2025-03-09 01:34:46,349 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 174 transitions. Word has length 76 [2025-03-09 01:34:46,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:34:46,350 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 174 transitions. [2025-03-09 01:34:46,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 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) [2025-03-09 01:34:46,350 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 174 transitions. [2025-03-09 01:34:46,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-03-09 01:34:46,356 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:34:46,356 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:34:46,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-09 01:34:46,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:34:46,557 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-09 01:34:46,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:34:46,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1940295625, now seen corresponding path program 2 times [2025-03-09 01:34:46,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:34:46,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660643922] [2025-03-09 01:34:46,557 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:34:46,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:34:46,587 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 166 statements into 2 equivalence classes. [2025-03-09 01:34:46,608 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 166 of 166 statements. [2025-03-09 01:34:46,608 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 01:34:46,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:34:46,813 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 725 trivial. 0 not checked. [2025-03-09 01:34:46,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:34:46,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660643922] [2025-03-09 01:34:46,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660643922] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:34:46,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653625769] [2025-03-09 01:34:46,814 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:34:46,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:34:46,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:34:46,816 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:34:46,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 01:34:46,878 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 166 statements into 2 equivalence classes. [2025-03-09 01:34:46,936 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 166 of 166 statements. [2025-03-09 01:34:46,936 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 01:34:46,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:34:46,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-09 01:34:46,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:34:47,101 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2025-03-09 01:34:47,102 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:34:47,356 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2025-03-09 01:34:47,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653625769] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:34:47,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:34:47,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 13] total 28 [2025-03-09 01:34:47,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480382425] [2025-03-09 01:34:47,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:34:47,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-03-09 01:34:47,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:34:47,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-03-09 01:34:47,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=284, Invalid=472, Unknown=0, NotChecked=0, Total=756 [2025-03-09 01:34:47,358 INFO L87 Difference]: Start difference. First operand 169 states and 174 transitions. Second operand has 28 states, 28 states have (on average 4.178571428571429) internal successors, (117), 28 states have internal predecessors, (117), 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) [2025-03-09 01:34:47,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:34:47,961 INFO L93 Difference]: Finished difference Result 484 states and 554 transitions. [2025-03-09 01:34:47,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-09 01:34:47,962 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.178571428571429) internal successors, (117), 28 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2025-03-09 01:34:47,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:34:47,964 INFO L225 Difference]: With dead ends: 484 [2025-03-09 01:34:47,964 INFO L226 Difference]: Without dead ends: 348 [2025-03-09 01:34:47,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=284, Invalid=472, Unknown=0, NotChecked=0, Total=756 [2025-03-09 01:34:47,965 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 541 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 323 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 323 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 01:34:47,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 46 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [323 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 01:34:47,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2025-03-09 01:34:47,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2025-03-09 01:34:47,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 347 states have (on average 1.0172910662824208) internal successors, (353), 347 states have internal predecessors, (353), 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) [2025-03-09 01:34:47,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 353 transitions. [2025-03-09 01:34:47,994 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 353 transitions. Word has length 166 [2025-03-09 01:34:47,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:34:47,995 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 353 transitions. [2025-03-09 01:34:47,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.178571428571429) internal successors, (117), 28 states have internal predecessors, (117), 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) [2025-03-09 01:34:47,996 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 353 transitions. [2025-03-09 01:34:48,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2025-03-09 01:34:48,002 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:34:48,002 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:34:48,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-09 01:34:48,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:34:48,207 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-09 01:34:48,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:34:48,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1449323139, now seen corresponding path program 1 times [2025-03-09 01:34:48,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:34:48,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378955507] [2025-03-09 01:34:48,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:34:48,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:34:48,262 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 347 statements into 1 equivalence classes. [2025-03-09 01:34:48,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 347 of 347 statements. [2025-03-09 01:34:48,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:34:48,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:34:48,507 INFO L134 CoverageAnalysis]: Checked inductivity of 3580 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3576 trivial. 0 not checked. [2025-03-09 01:34:48,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:34:48,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378955507] [2025-03-09 01:34:48,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378955507] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:34:48,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:34:48,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:34:48,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607867523] [2025-03-09 01:34:48,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:34:48,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:34:48,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:34:48,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:34:48,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:34:48,509 INFO L87 Difference]: Start difference. First operand 348 states and 353 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:34:48,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:34:48,526 INFO L93 Difference]: Finished difference Result 348 states and 353 transitions. [2025-03-09 01:34:48,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:34:48,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 347 [2025-03-09 01:34:48,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:34:48,528 INFO L225 Difference]: With dead ends: 348 [2025-03-09 01:34:48,528 INFO L226 Difference]: Without dead ends: 0 [2025-03-09 01:34:48,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:34:48,531 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:34:48,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:34:48,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-09 01:34:48,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-09 01:34:48,532 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) [2025-03-09 01:34:48,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-09 01:34:48,532 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 347 [2025-03-09 01:34:48,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:34:48,532 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 01:34:48,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:34:48,533 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-09 01:34:48,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-09 01:34:48,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2025-03-09 01:34:48,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2025-03-09 01:34:48,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2025-03-09 01:34:48,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2025-03-09 01:34:48,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2025-03-09 01:34:48,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2025-03-09 01:34:48,535 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2025-03-09 01:34:48,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2025-03-09 01:34:48,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2025-03-09 01:34:48,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2025-03-09 01:34:48,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2025-03-09 01:34:48,536 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2025-03-09 01:34:48,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-09 01:34:48,539 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2025-03-09 01:34:48,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-09 01:34:48,618 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 01:34:48,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 01:34:48 BoogieIcfgContainer [2025-03-09 01:34:48,627 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 01:34:48,628 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 01:34:48,628 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 01:34:48,628 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 01:34:48,629 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:34:44" (3/4) ... [2025-03-09 01:34:48,630 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-09 01:34:48,636 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-03-09 01:34:48,636 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-09 01:34:48,636 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-09 01:34:48,636 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-09 01:34:48,692 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 01:34:48,692 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-09 01:34:48,692 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 01:34:48,693 INFO L158 Benchmark]: Toolchain (without parser) took 4919.32ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 113.1MB in the beginning and 313.4MB in the end (delta: -200.3MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. [2025-03-09 01:34:48,693 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:34:48,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 140.37ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 102.4MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 01:34:48,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.40ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 101.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:34:48,695 INFO L158 Benchmark]: Boogie Preprocessor took 20.69ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 99.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 01:34:48,695 INFO L158 Benchmark]: IcfgBuilder took 207.74ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 86.7MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 01:34:48,695 INFO L158 Benchmark]: TraceAbstraction took 4459.45ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 85.8MB in the beginning and 321.8MB in the end (delta: -236.0MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2025-03-09 01:34:48,696 INFO L158 Benchmark]: Witness Printer took 64.69ms. Allocated memory is still 411.0MB. Free memory was 321.8MB in the beginning and 313.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 01:34:48,697 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 140.37ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 102.4MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.40ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 101.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.69ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 99.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 207.74ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 86.7MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4459.45ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 85.8MB in the beginning and 321.8MB in the end (delta: -236.0MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * Witness Printer took 64.69ms. Allocated memory is still 411.0MB. Free memory was 321.8MB in the beginning and 313.4MB in the end (delta: 8.4MB). 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: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 40 locations, 47 edges, 12 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 8, TraceHistogramMax: 22, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 760 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 760 mSDsluCounter, 345 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 208 mSDsCounter, 508 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 875 IncrementalHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 508 mSolverCounterUnsat, 137 mSDtfsCounter, 875 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 565 GetRequests, 514 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=348occurred in iteration=7, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 980 NumberOfCodeBlocks, 920 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1233 ConstructedInterpolants, 0 QuantifiedInterpolants, 1521 SizeOfPredicates, 0 NumberOfNonLiveVariables, 920 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 5876/6241 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 12 specifications checked. All of them hold - InvariantResult [Line: 22]: Location Invariant Derived location invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 17]: Location Invariant Derived location invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 27]: Location Invariant Derived location invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 32]: Location Invariant Derived location invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 42]: Location Invariant Derived location invariant: ((0 < x) || (x == 0)) - InvariantResult [Line: 37]: Location Invariant Derived location invariant: ((0 < i) || (i == 0)) RESULT: Ultimate proved your program to be correct! [2025-03-09 01:34:48,713 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