./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-examples/standard_palindrome_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-examples/standard_palindrome_ground.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 270a2842345dc5b188d8b64dce3436ccc5910bc1472a41053bc5c00e7f4ceeb6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 10:22:00,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 10:22:00,169 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-04 10:22:00,172 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 10:22:00,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 10:22:00,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 10:22:00,193 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 10:22:00,193 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 10:22:00,193 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 10:22:00,193 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 10:22:00,194 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 10:22:00,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 10:22:00,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 10:22:00,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 10:22:00,195 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 10:22:00,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 10:22:00,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 10:22:00,195 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 10:22:00,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 10:22:00,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 10:22:00,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 10:22:00,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 10:22:00,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 10:22:00,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 10:22:00,196 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 10:22:00,196 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 10:22:00,196 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 10:22:00,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 10:22:00,196 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 10:22:00,196 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 10:22:00,197 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 10:22:00,197 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 10:22:00,197 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 10:22:00,197 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 10:22:00,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:22:00,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 10:22:00,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 10:22:00,198 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 10:22:00,198 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 10:22:00,198 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 10:22:00,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 10:22:00,198 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 10:22:00,198 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 10:22:00,198 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 10:22:00,198 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 10:22:00,198 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 -> 270a2842345dc5b188d8b64dce3436ccc5910bc1472a41053bc5c00e7f4ceeb6 [2025-03-04 10:22:00,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 10:22:00,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 10:22:00,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 10:22:00,444 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 10:22:00,444 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 10:22:00,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/standard_palindrome_ground.i [2025-03-04 10:22:01,581 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7be0bd25/4f113b93f48c48eba0554e9733352cac/FLAGe4d0e7a07 [2025-03-04 10:22:01,840 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 10:22:01,841 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_palindrome_ground.i [2025-03-04 10:22:01,847 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7be0bd25/4f113b93f48c48eba0554e9733352cac/FLAGe4d0e7a07 [2025-03-04 10:22:02,160 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7be0bd25/4f113b93f48c48eba0554e9733352cac [2025-03-04 10:22:02,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 10:22:02,163 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 10:22:02,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 10:22:02,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 10:22:02,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 10:22:02,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:22:02" (1/1) ... [2025-03-04 10:22:02,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c7fecab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:02, skipping insertion in model container [2025-03-04 10:22:02,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:22:02" (1/1) ... [2025-03-04 10:22:02,178 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 10:22:02,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:22:02,285 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 10:22:02,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:22:02,313 INFO L204 MainTranslator]: Completed translation [2025-03-04 10:22:02,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:02 WrapperNode [2025-03-04 10:22:02,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 10:22:02,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 10:22:02,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 10:22:02,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 10:22:02,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:02" (1/1) ... [2025-03-04 10:22:02,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:02" (1/1) ... [2025-03-04 10:22:02,338 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2025-03-04 10:22:02,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 10:22:02,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 10:22:02,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 10:22:02,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 10:22:02,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:02" (1/1) ... [2025-03-04 10:22:02,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:02" (1/1) ... [2025-03-04 10:22:02,348 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:02" (1/1) ... [2025-03-04 10:22:02,360 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2025-03-04 10:22:02,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:02" (1/1) ... [2025-03-04 10:22:02,361 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:02" (1/1) ... [2025-03-04 10:22:02,366 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:02" (1/1) ... [2025-03-04 10:22:02,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:02" (1/1) ... [2025-03-04 10:22:02,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:02" (1/1) ... [2025-03-04 10:22:02,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:02" (1/1) ... [2025-03-04 10:22:02,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 10:22:02,376 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 10:22:02,376 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 10:22:02,376 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 10:22:02,377 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:02" (1/1) ... [2025-03-04 10:22:02,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:22:02,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:22:02,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 10:22:02,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 10:22:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 10:22:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 10:22:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 10:22:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 10:22:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 10:22:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 10:22:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 10:22:02,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 10:22:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 10:22:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 10:22:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 10:22:02,482 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 10:22:02,484 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 10:22:02,594 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L16: call ULTIMATE.dealloc(main_~#A~0#1.base, main_~#A~0#1.offset);havoc main_~#A~0#1.base, main_~#A~0#1.offset; [2025-03-04 10:22:02,600 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2025-03-04 10:22:02,600 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 10:22:02,606 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 10:22:02,606 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 10:22:02,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:22:02 BoogieIcfgContainer [2025-03-04 10:22:02,606 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 10:22:02,608 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 10:22:02,608 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 10:22:02,611 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 10:22:02,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 10:22:02" (1/3) ... [2025-03-04 10:22:02,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b735d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:22:02, skipping insertion in model container [2025-03-04 10:22:02,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:22:02" (2/3) ... [2025-03-04 10:22:02,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b735d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:22:02, skipping insertion in model container [2025-03-04 10:22:02,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:22:02" (3/3) ... [2025-03-04 10:22:02,614 INFO L128 eAbstractionObserver]: Analyzing ICFG standard_palindrome_ground.i [2025-03-04 10:22:02,626 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 10:22:02,627 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG standard_palindrome_ground.i that has 1 procedures, 41 locations, 1 initial locations, 3 loop locations, and 14 error locations. [2025-03-04 10:22:02,666 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 10:22:02,676 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;@661e37ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 10:22:02,676 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2025-03-04 10:22:02,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 26 states have (on average 1.7307692307692308) internal successors, (45), 40 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:02,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-04 10:22:02,683 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:02,684 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-04 10:22:02,684 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-04 10:22:02,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:02,688 INFO L85 PathProgramCache]: Analyzing trace with hash 2307775, now seen corresponding path program 1 times [2025-03-04 10:22:02,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:02,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623600092] [2025-03-04 10:22:02,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:02,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:02,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-04 10:22:02,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-04 10:22:02,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:02,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:02,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:22:02,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:02,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623600092] [2025-03-04 10:22:02,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623600092] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:22:02,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:22:02,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:22:02,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361603599] [2025-03-04 10:22:02,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:22:02,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:22:02,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:02,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:22:02,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:22:02,893 INFO L87 Difference]: Start difference. First operand has 41 states, 26 states have (on average 1.7307692307692308) internal successors, (45), 40 states have internal predecessors, (45), 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 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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) [2025-03-04 10:22:02,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:02,968 INFO L93 Difference]: Finished difference Result 84 states and 97 transitions. [2025-03-04 10:22:02,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:22:02,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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 [2025-03-04 10:22:02,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:02,974 INFO L225 Difference]: With dead ends: 84 [2025-03-04 10:22:02,974 INFO L226 Difference]: Without dead ends: 43 [2025-03-04 10:22:02,976 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 [2025-03-04 10:22:02,978 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 5 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:02,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 89 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:22:02,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2025-03-04 10:22:02,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2025-03-04 10:22:02,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.5517241379310345) internal successors, (45), 42 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:02,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2025-03-04 10:22:02,999 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 4 [2025-03-04 10:22:02,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:02,999 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2025-03-04 10:22:02,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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) [2025-03-04 10:22:02,999 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2025-03-04 10:22:02,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-04 10:22:02,999 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:03,000 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-03-04 10:22:03,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 10:22:03,000 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-04 10:22:03,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:03,001 INFO L85 PathProgramCache]: Analyzing trace with hash 31457352, now seen corresponding path program 1 times [2025-03-04 10:22:03,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:03,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56437942] [2025-03-04 10:22:03,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:03,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:03,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 10:22:03,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 10:22:03,021 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:03,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:03,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:22:03,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:03,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56437942] [2025-03-04 10:22:03,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56437942] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:22:03,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659909914] [2025-03-04 10:22:03,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:03,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:22:03,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:22:03,121 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:22:03,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 10:22:03,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 10:22:03,164 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 10:22:03,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:03,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:03,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:22:03,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:22:03,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:22:03,218 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:22:03,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659909914] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:22:03,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:22:03,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-04 10:22:03,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323028033] [2025-03-04 10:22:03,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:22:03,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:22:03,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:03,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:22:03,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:22:03,220 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 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) [2025-03-04 10:22:03,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:03,273 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2025-03-04 10:22:03,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:22:03,274 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 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 [2025-03-04 10:22:03,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:03,274 INFO L225 Difference]: With dead ends: 43 [2025-03-04 10:22:03,274 INFO L226 Difference]: Without dead ends: 42 [2025-03-04 10:22:03,275 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:22:03,275 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 5 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:03,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 70 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:22:03,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2025-03-04 10:22:03,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2025-03-04 10:22:03,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 41 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:03,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2025-03-04 10:22:03,281 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 7 [2025-03-04 10:22:03,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:03,281 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2025-03-04 10:22:03,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 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) [2025-03-04 10:22:03,281 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2025-03-04 10:22:03,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-04 10:22:03,281 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:03,282 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2025-03-04 10:22:03,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 10:22:03,482 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 [2025-03-04 10:22:03,483 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-04 10:22:03,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:03,483 INFO L85 PathProgramCache]: Analyzing trace with hash 975177921, now seen corresponding path program 1 times [2025-03-04 10:22:03,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:03,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350393807] [2025-03-04 10:22:03,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:03,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:03,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 10:22:03,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 10:22:03,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:03,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 10:22:03,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:03,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350393807] [2025-03-04 10:22:03,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350393807] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:22:03,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:22:03,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:22:03,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357833704] [2025-03-04 10:22:03,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:22:03,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:22:03,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:03,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:22:03,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:22:03,517 INFO L87 Difference]: Start difference. First operand 42 states and 44 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) [2025-03-04 10:22:03,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:03,524 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2025-03-04 10:22:03,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:22:03,525 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 [2025-03-04 10:22:03,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:03,525 INFO L225 Difference]: With dead ends: 42 [2025-03-04 10:22:03,525 INFO L226 Difference]: Without dead ends: 41 [2025-03-04 10:22:03,525 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 [2025-03-04 10:22:03,526 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:03,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:22:03,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2025-03-04 10:22:03,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2025-03-04 10:22:03,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 38 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:03,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2025-03-04 10:22:03,550 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 8 [2025-03-04 10:22:03,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:03,550 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2025-03-04 10:22:03,550 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) [2025-03-04 10:22:03,550 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2025-03-04 10:22:03,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-04 10:22:03,550 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:03,550 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:03,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 10:22:03,551 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-04 10:22:03,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:03,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1779288008, now seen corresponding path program 1 times [2025-03-04 10:22:03,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:03,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41905865] [2025-03-04 10:22:03,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:03,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:03,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 10:22:03,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 10:22:03,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:03,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:03,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:22:03,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:03,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41905865] [2025-03-04 10:22:03,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41905865] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:22:03,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378573800] [2025-03-04 10:22:03,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:03,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:22:03,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:22:03,628 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:22:03,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 10:22:03,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 10:22:03,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 10:22:03,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:03,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:03,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:22:03,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:22:03,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:22:03,688 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:22:03,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:22:03,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378573800] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:22:03,718 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:22:03,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-04 10:22:03,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787366864] [2025-03-04 10:22:03,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:22:03,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:22:03,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:03,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:22:03,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:22:03,719 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:03,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:03,784 INFO L93 Difference]: Finished difference Result 76 states and 83 transitions. [2025-03-04 10:22:03,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:22:03,785 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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 12 [2025-03-04 10:22:03,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:03,785 INFO L225 Difference]: With dead ends: 76 [2025-03-04 10:22:03,785 INFO L226 Difference]: Without dead ends: 43 [2025-03-04 10:22:03,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:22:03,787 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 14 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:03,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 127 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:22:03,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2025-03-04 10:22:03,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2025-03-04 10:22:03,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 42 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:03,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2025-03-04 10:22:03,790 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 12 [2025-03-04 10:22:03,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:03,790 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2025-03-04 10:22:03,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:03,790 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2025-03-04 10:22:03,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-04 10:22:03,790 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:03,790 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:03,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-04 10:22:03,991 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 [2025-03-04 10:22:03,991 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-04 10:22:03,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:03,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1725792360, now seen corresponding path program 2 times [2025-03-04 10:22:03,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:03,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143134001] [2025-03-04 10:22:03,993 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:22:03,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:04,003 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 2 equivalence classes. [2025-03-04 10:22:04,007 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 9 of 18 statements. [2025-03-04 10:22:04,010 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 10:22:04,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:04,044 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:22:04,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:04,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143134001] [2025-03-04 10:22:04,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143134001] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:22:04,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:22:04,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:22:04,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338675845] [2025-03-04 10:22:04,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:22:04,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:22:04,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:04,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:22:04,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:22:04,047 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:04,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:04,062 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2025-03-04 10:22:04,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:22:04,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 18 [2025-03-04 10:22:04,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:04,063 INFO L225 Difference]: With dead ends: 43 [2025-03-04 10:22:04,064 INFO L226 Difference]: Without dead ends: 42 [2025-03-04 10:22:04,065 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 [2025-03-04 10:22:04,065 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 1 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:04,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 56 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:22:04,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2025-03-04 10:22:04,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2025-03-04 10:22:04,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 41 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:04,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2025-03-04 10:22:04,072 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 18 [2025-03-04 10:22:04,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:04,072 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2025-03-04 10:22:04,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:04,072 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2025-03-04 10:22:04,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-03-04 10:22:04,072 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:04,072 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:04,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 10:22:04,073 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-04 10:22:04,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:04,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1959955613, now seen corresponding path program 1 times [2025-03-04 10:22:04,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:04,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971971311] [2025-03-04 10:22:04,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:04,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:04,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-04 10:22:04,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-04 10:22:04,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:04,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:04,123 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:22:04,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:04,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971971311] [2025-03-04 10:22:04,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971971311] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:22:04,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:22:04,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:22:04,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661109172] [2025-03-04 10:22:04,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:22:04,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:22:04,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:04,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:22:04,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:22:04,124 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:04,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:04,154 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2025-03-04 10:22:04,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:22:04,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 19 [2025-03-04 10:22:04,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:04,155 INFO L225 Difference]: With dead ends: 45 [2025-03-04 10:22:04,155 INFO L226 Difference]: Without dead ends: 44 [2025-03-04 10:22:04,155 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 [2025-03-04 10:22:04,155 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:04,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:22:04,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2025-03-04 10:22:04,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2025-03-04 10:22:04,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 43 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:04,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2025-03-04 10:22:04,158 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 19 [2025-03-04 10:22:04,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:04,158 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2025-03-04 10:22:04,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:04,159 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2025-03-04 10:22:04,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-04 10:22:04,159 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:04,159 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:04,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 10:22:04,159 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-04 10:22:04,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:04,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1042729122, now seen corresponding path program 1 times [2025-03-04 10:22:04,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:04,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766836457] [2025-03-04 10:22:04,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:04,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:04,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-04 10:22:04,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-04 10:22:04,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:04,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:04,231 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:22:04,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:04,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766836457] [2025-03-04 10:22:04,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766836457] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:22:04,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574156994] [2025-03-04 10:22:04,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:04,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:22:04,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:22:04,233 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:22:04,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 10:22:04,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-04 10:22:04,278 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-04 10:22:04,279 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:04,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:04,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:22:04,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:22:04,359 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-04 10:22:04,359 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:22:04,475 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-04 10:22:04,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574156994] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:22:04,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:22:04,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 19 [2025-03-04 10:22:04,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542656270] [2025-03-04 10:22:04,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:22:04,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-04 10:22:04,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:04,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-04 10:22:04,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2025-03-04 10:22:04,476 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:04,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:04,605 INFO L93 Difference]: Finished difference Result 93 states and 103 transitions. [2025-03-04 10:22:04,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-04 10:22:04,605 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 19 states have internal predecessors, (46), 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 22 [2025-03-04 10:22:04,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:04,606 INFO L225 Difference]: With dead ends: 93 [2025-03-04 10:22:04,606 INFO L226 Difference]: Without dead ends: 61 [2025-03-04 10:22:04,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:22:04,606 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 12 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:04,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 163 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:22:04,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-03-04 10:22:04,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2025-03-04 10:22:04,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 60 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:04,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 63 transitions. [2025-03-04 10:22:04,612 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 63 transitions. Word has length 22 [2025-03-04 10:22:04,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:04,612 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 63 transitions. [2025-03-04 10:22:04,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:04,612 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2025-03-04 10:22:04,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-04 10:22:04,613 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:04,613 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-03-04 10:22:04,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 10:22:04,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:22:04,814 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-04 10:22:04,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:04,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1291792738, now seen corresponding path program 1 times [2025-03-04 10:22:04,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:04,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124530326] [2025-03-04 10:22:04,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:04,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:04,825 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-04 10:22:04,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-04 10:22:04,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:04,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:04,872 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-03-04 10:22:04,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:04,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124530326] [2025-03-04 10:22:04,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124530326] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:22:04,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:22:04,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:22:04,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938647898] [2025-03-04 10:22:04,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:22:04,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:22:04,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:04,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:22:04,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:22:04,873 INFO L87 Difference]: Start difference. First operand 61 states and 63 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:04,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:04,897 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2025-03-04 10:22:04,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:22:04,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 38 [2025-03-04 10:22:04,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:04,898 INFO L225 Difference]: With dead ends: 61 [2025-03-04 10:22:04,899 INFO L226 Difference]: Without dead ends: 60 [2025-03-04 10:22:04,900 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 [2025-03-04 10:22:04,900 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:04,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:22:04,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2025-03-04 10:22:04,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2025-03-04 10:22:04,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 52 states have (on average 1.1923076923076923) internal successors, (62), 59 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:04,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2025-03-04 10:22:04,905 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 38 [2025-03-04 10:22:04,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:04,905 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2025-03-04 10:22:04,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:04,905 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2025-03-04 10:22:04,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-04 10:22:04,905 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:04,905 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-03-04 10:22:04,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 10:22:04,905 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-04 10:22:04,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:04,906 INFO L85 PathProgramCache]: Analyzing trace with hash -890478713, now seen corresponding path program 2 times [2025-03-04 10:22:04,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:04,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469437275] [2025-03-04 10:22:04,906 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:22:04,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:04,918 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 41 statements into 2 equivalence classes. [2025-03-04 10:22:04,932 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 41 of 41 statements. [2025-03-04 10:22:04,933 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:22:04,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:05,149 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-04 10:22:05,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:05,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469437275] [2025-03-04 10:22:05,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469437275] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:22:05,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335373676] [2025-03-04 10:22:05,151 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:22:05,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:22:05,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:22:05,156 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:22:05,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 10:22:05,192 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 41 statements into 2 equivalence classes. [2025-03-04 10:22:05,207 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 41 of 41 statements. [2025-03-04 10:22:05,208 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:22:05,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:05,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-04 10:22:05,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:22:05,269 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-04 10:22:05,269 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:22:05,514 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-04 10:22:05,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335373676] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:22:05,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:22:05,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2025-03-04 10:22:05,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788791141] [2025-03-04 10:22:05,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:22:05,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-03-04 10:22:05,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:05,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-03-04 10:22:05,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2025-03-04 10:22:05,517 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand has 34 states, 34 states have (on average 1.7352941176470589) internal successors, (59), 34 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:05,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:05,610 INFO L93 Difference]: Finished difference Result 120 states and 131 transitions. [2025-03-04 10:22:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-03-04 10:22:05,610 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.7352941176470589) internal successors, (59), 34 states have internal predecessors, (59), 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 41 [2025-03-04 10:22:05,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:05,611 INFO L225 Difference]: With dead ends: 120 [2025-03-04 10:22:05,611 INFO L226 Difference]: Without dead ends: 84 [2025-03-04 10:22:05,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2025-03-04 10:22:05,612 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 11 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:05,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 209 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:22:05,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2025-03-04 10:22:05,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2025-03-04 10:22:05,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 76 states have (on average 1.131578947368421) internal successors, (86), 83 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:05,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 86 transitions. [2025-03-04 10:22:05,623 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 86 transitions. Word has length 41 [2025-03-04 10:22:05,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:05,623 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 86 transitions. [2025-03-04 10:22:05,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.7352941176470589) internal successors, (59), 34 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:05,623 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 86 transitions. [2025-03-04 10:22:05,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-04 10:22:05,624 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:05,624 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-03-04 10:22:05,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-04 10:22:05,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:22:05,825 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-04 10:22:05,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:05,825 INFO L85 PathProgramCache]: Analyzing trace with hash -915512825, now seen corresponding path program 3 times [2025-03-04 10:22:05,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:05,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591270154] [2025-03-04 10:22:05,825 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 10:22:05,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:05,852 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 65 statements into 16 equivalence classes. [2025-03-04 10:22:05,855 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 16 of 65 statements. [2025-03-04 10:22:05,856 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-04 10:22:05,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:05,882 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2025-03-04 10:22:05,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:05,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591270154] [2025-03-04 10:22:05,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591270154] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:22:05,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:22:05,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:22:05,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579778108] [2025-03-04 10:22:05,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:22:05,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:22:05,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:05,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:22:05,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:22:05,884 INFO L87 Difference]: Start difference. First operand 84 states and 86 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:05,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:05,904 INFO L93 Difference]: Finished difference Result 84 states and 86 transitions. [2025-03-04 10:22:05,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:22:05,904 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 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 65 [2025-03-04 10:22:05,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:05,905 INFO L225 Difference]: With dead ends: 84 [2025-03-04 10:22:05,905 INFO L226 Difference]: Without dead ends: 82 [2025-03-04 10:22:05,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:22:05,906 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:05,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 56 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:22:05,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2025-03-04 10:22:05,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 78. [2025-03-04 10:22:05,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 72 states have (on average 1.1111111111111112) internal successors, (80), 77 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:05,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2025-03-04 10:22:05,915 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 65 [2025-03-04 10:22:05,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:05,915 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2025-03-04 10:22:05,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:05,915 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2025-03-04 10:22:05,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-04 10:22:05,916 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:05,916 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:05,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-04 10:22:05,916 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-04 10:22:05,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:05,916 INFO L85 PathProgramCache]: Analyzing trace with hash -915525702, now seen corresponding path program 1 times [2025-03-04 10:22:05,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:05,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665180428] [2025-03-04 10:22:05,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:05,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:05,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-04 10:22:05,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-04 10:22:05,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:05,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:06,005 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2025-03-04 10:22:06,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:06,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665180428] [2025-03-04 10:22:06,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665180428] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:22:06,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:22:06,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:22:06,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156251902] [2025-03-04 10:22:06,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:22:06,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:22:06,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:06,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:22:06,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:22:06,008 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:06,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:06,031 INFO L93 Difference]: Finished difference Result 89 states and 91 transitions. [2025-03-04 10:22:06,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:22:06,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 65 [2025-03-04 10:22:06,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:06,032 INFO L225 Difference]: With dead ends: 89 [2025-03-04 10:22:06,032 INFO L226 Difference]: Without dead ends: 85 [2025-03-04 10:22:06,033 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 [2025-03-04 10:22:06,033 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 5 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:06,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 39 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:22:06,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2025-03-04 10:22:06,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 83. [2025-03-04 10:22:06,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 77 states have (on average 1.103896103896104) internal successors, (85), 82 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:06,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 85 transitions. [2025-03-04 10:22:06,037 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 85 transitions. Word has length 65 [2025-03-04 10:22:06,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:06,037 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 85 transitions. [2025-03-04 10:22:06,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:06,037 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 85 transitions. [2025-03-04 10:22:06,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-04 10:22:06,038 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:06,038 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:06,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-04 10:22:06,038 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-04 10:22:06,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:06,038 INFO L85 PathProgramCache]: Analyzing trace with hash 529689461, now seen corresponding path program 1 times [2025-03-04 10:22:06,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:06,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551401126] [2025-03-04 10:22:06,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:06,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:06,057 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-04 10:22:06,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-04 10:22:06,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:06,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:06,190 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2025-03-04 10:22:06,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:06,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551401126] [2025-03-04 10:22:06,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551401126] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:22:06,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:22:06,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:22:06,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397457686] [2025-03-04 10:22:06,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:22:06,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:22:06,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:06,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:22:06,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:22:06,193 INFO L87 Difference]: Start difference. First operand 83 states and 85 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:06,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:06,222 INFO L93 Difference]: Finished difference Result 89 states and 91 transitions. [2025-03-04 10:22:06,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:22:06,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 [2025-03-04 10:22:06,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:06,223 INFO L225 Difference]: With dead ends: 89 [2025-03-04 10:22:06,223 INFO L226 Difference]: Without dead ends: 87 [2025-03-04 10:22:06,223 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 [2025-03-04 10:22:06,224 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 1 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:06,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 54 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:22:06,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2025-03-04 10:22:06,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2025-03-04 10:22:06,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 81 states have (on average 1.0987654320987654) internal successors, (89), 86 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:06,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 89 transitions. [2025-03-04 10:22:06,228 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 89 transitions. Word has length 71 [2025-03-04 10:22:06,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:06,228 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 89 transitions. [2025-03-04 10:22:06,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:06,228 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 89 transitions. [2025-03-04 10:22:06,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-04 10:22:06,229 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:06,229 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:06,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-04 10:22:06,229 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-04 10:22:06,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:06,229 INFO L85 PathProgramCache]: Analyzing trace with hash 268861935, now seen corresponding path program 1 times [2025-03-04 10:22:06,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:06,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866514720] [2025-03-04 10:22:06,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:06,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:06,240 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 10:22:06,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 10:22:06,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:06,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:06,286 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2025-03-04 10:22:06,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:06,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866514720] [2025-03-04 10:22:06,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866514720] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:22:06,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:22:06,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:22:06,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893025772] [2025-03-04 10:22:06,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:22:06,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:22:06,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:06,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:22:06,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:22:06,287 INFO L87 Difference]: Start difference. First operand 87 states and 89 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:06,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:06,299 INFO L93 Difference]: Finished difference Result 87 states and 89 transitions. [2025-03-04 10:22:06,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:22:06,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 74 [2025-03-04 10:22:06,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:06,300 INFO L225 Difference]: With dead ends: 87 [2025-03-04 10:22:06,300 INFO L226 Difference]: Without dead ends: 85 [2025-03-04 10:22:06,300 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 [2025-03-04 10:22:06,301 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 5 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:06,301 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 34 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:22:06,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2025-03-04 10:22:06,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2025-03-04 10:22:06,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 81 states have (on average 1.0740740740740742) internal successors, (87), 84 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:06,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 87 transitions. [2025-03-04 10:22:06,305 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 87 transitions. Word has length 74 [2025-03-04 10:22:06,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:06,305 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 87 transitions. [2025-03-04 10:22:06,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:06,305 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 87 transitions. [2025-03-04 10:22:06,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-04 10:22:06,306 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:06,306 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:06,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-04 10:22:06,306 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-04 10:22:06,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:06,306 INFO L85 PathProgramCache]: Analyzing trace with hash -255214618, now seen corresponding path program 1 times [2025-03-04 10:22:06,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:06,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212549057] [2025-03-04 10:22:06,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:06,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:06,316 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-04 10:22:06,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-04 10:22:06,324 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:06,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:06,403 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2025-03-04 10:22:06,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:06,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212549057] [2025-03-04 10:22:06,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212549057] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:22:06,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888367229] [2025-03-04 10:22:06,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:06,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:22:06,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:22:06,406 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 10:22:06,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 10:22:06,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-04 10:22:06,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-04 10:22:06,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:06,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:06,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-04 10:22:06,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:22:06,934 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:22:06,934 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:22:07,801 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:22:07,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888367229] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:22:07,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:22:07,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 33, 33] total 67 [2025-03-04 10:22:07,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235957290] [2025-03-04 10:22:07,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:22:07,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2025-03-04 10:22:07,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:07,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2025-03-04 10:22:07,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1062, Invalid=3360, Unknown=0, NotChecked=0, Total=4422 [2025-03-04 10:22:07,805 INFO L87 Difference]: Start difference. First operand 85 states and 87 transitions. Second operand has 67 states, 67 states have (on average 2.0597014925373136) internal successors, (138), 67 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:08,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:08,009 INFO L93 Difference]: Finished difference Result 177 states and 198 transitions. [2025-03-04 10:22:08,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-03-04 10:22:08,009 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 2.0597014925373136) internal successors, (138), 67 states have internal predecessors, (138), 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 75 [2025-03-04 10:22:08,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:08,010 INFO L225 Difference]: With dead ends: 177 [2025-03-04 10:22:08,010 INFO L226 Difference]: Without dead ends: 140 [2025-03-04 10:22:08,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1062, Invalid=3360, Unknown=0, NotChecked=0, Total=4422 [2025-03-04 10:22:08,012 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 37 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:08,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 100 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:22:08,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2025-03-04 10:22:08,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2025-03-04 10:22:08,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 134 states have (on average 1.044776119402985) internal successors, (140), 137 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:08,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 140 transitions. [2025-03-04 10:22:08,029 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 140 transitions. Word has length 75 [2025-03-04 10:22:08,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:08,029 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 140 transitions. [2025-03-04 10:22:08,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 2.0597014925373136) internal successors, (138), 67 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:08,029 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 140 transitions. [2025-03-04 10:22:08,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-03-04 10:22:08,030 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:08,030 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:08,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-04 10:22:08,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-03-04 10:22:08,231 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-04 10:22:08,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:08,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1353669866, now seen corresponding path program 1 times [2025-03-04 10:22:08,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:08,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930811333] [2025-03-04 10:22:08,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:08,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:08,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-04 10:22:08,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-04 10:22:08,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:08,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:08,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1443 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1438 trivial. 0 not checked. [2025-03-04 10:22:08,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:08,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930811333] [2025-03-04 10:22:08,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930811333] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:22:08,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:22:08,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:22:08,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829161505] [2025-03-04 10:22:08,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:22:08,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:22:08,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:08,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:22:08,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:22:08,343 INFO L87 Difference]: Start difference. First operand 138 states and 140 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:08,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:08,360 INFO L93 Difference]: Finished difference Result 138 states and 140 transitions. [2025-03-04 10:22:08,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:22:08,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 128 [2025-03-04 10:22:08,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:08,362 INFO L225 Difference]: With dead ends: 138 [2025-03-04 10:22:08,362 INFO L226 Difference]: Without dead ends: 135 [2025-03-04 10:22:08,362 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 [2025-03-04 10:22:08,362 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:08,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 41 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:22:08,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2025-03-04 10:22:08,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 130. [2025-03-04 10:22:08,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.0232558139534884) internal successors, (132), 129 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:08,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 132 transitions. [2025-03-04 10:22:08,368 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 132 transitions. Word has length 128 [2025-03-04 10:22:08,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:08,368 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 132 transitions. [2025-03-04 10:22:08,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 10:22:08,368 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 132 transitions. [2025-03-04 10:22:08,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-03-04 10:22:08,369 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:22:08,369 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:08,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-04 10:22:08,369 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-04 10:22:08,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:22:08,370 INFO L85 PathProgramCache]: Analyzing trace with hash -985907140, now seen corresponding path program 1 times [2025-03-04 10:22:08,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:22:08,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834206696] [2025-03-04 10:22:08,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:22:08,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:22:08,388 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-04 10:22:08,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-04 10:22:08,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:22:08,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:22:08,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1444 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1436 trivial. 0 not checked. [2025-03-04 10:22:08,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:22:08,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834206696] [2025-03-04 10:22:08,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834206696] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:22:08,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:22:08,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:22:08,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185779270] [2025-03-04 10:22:08,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:22:08,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:22:08,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:22:08,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:22:08,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:22:08,486 INFO L87 Difference]: Start difference. First operand 130 states and 132 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) [2025-03-04 10:22:08,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:22:08,505 INFO L93 Difference]: Finished difference Result 130 states and 132 transitions. [2025-03-04 10:22:08,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:22:08,505 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 129 [2025-03-04 10:22:08,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:22:08,506 INFO L225 Difference]: With dead ends: 130 [2025-03-04 10:22:08,506 INFO L226 Difference]: Without dead ends: 0 [2025-03-04 10:22:08,507 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 [2025-03-04 10:22:08,507 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 10:22:08,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 41 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 10:22:08,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-04 10:22:08,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-04 10:22:08,509 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) [2025-03-04 10:22:08,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-04 10:22:08,509 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 129 [2025-03-04 10:22:08,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:22:08,510 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 10:22:08,510 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) [2025-03-04 10:22:08,510 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-04 10:22:08,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-04 10:22:08,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2025-03-04 10:22:08,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2025-03-04 10:22:08,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2025-03-04 10:22:08,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2025-03-04 10:22:08,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2025-03-04 10:22:08,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2025-03-04 10:22:08,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2025-03-04 10:22:08,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2025-03-04 10:22:08,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2025-03-04 10:22:08,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2025-03-04 10:22:08,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2025-03-04 10:22:08,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2025-03-04 10:22:08,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2025-03-04 10:22:08,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2025-03-04 10:22:08,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-04 10:22:08,517 INFO L422 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:22:08,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-04 10:22:08,559 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 10:22:08,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 10:22:08 BoogieIcfgContainer [2025-03-04 10:22:08,569 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 10:22:08,569 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 10:22:08,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 10:22:08,570 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 10:22:08,570 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:22:02" (3/4) ... [2025-03-04 10:22:08,571 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 10:22:08,579 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-03-04 10:22:08,580 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-04 10:22:08,580 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-04 10:22:08,580 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 10:22:08,649 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 10:22:08,649 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 10:22:08,649 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 10:22:08,650 INFO L158 Benchmark]: Toolchain (without parser) took 6487.12ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 104.6MB in the beginning and 123.3MB in the end (delta: -18.7MB). Peak memory consumption was 157.4MB. Max. memory is 16.1GB. [2025-03-04 10:22:08,650 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 10:22:08,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 150.85ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 93.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 10:22:08,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.97ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 92.4MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 10:22:08,651 INFO L158 Benchmark]: Boogie Preprocessor took 35.06ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 91.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 10:22:08,651 INFO L158 Benchmark]: IcfgBuilder took 230.63ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 77.7MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 10:22:08,652 INFO L158 Benchmark]: TraceAbstraction took 5961.31ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 77.7MB in the beginning and 129.2MB in the end (delta: -51.5MB). Peak memory consumption was 123.8MB. Max. memory is 16.1GB. [2025-03-04 10:22:08,652 INFO L158 Benchmark]: Witness Printer took 79.68ms. Allocated memory is still 318.8MB. Free memory was 129.2MB in the beginning and 123.3MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 10:22:08,653 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 150.85ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 93.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.97ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 92.4MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.06ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 91.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 230.63ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 77.7MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5961.31ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 77.7MB in the beginning and 129.2MB in the end (delta: -51.5MB). Peak memory consumption was 123.8MB. Max. memory is 16.1GB. * Witness Printer took 79.68ms. Allocated memory is still 318.8MB. Free memory was 129.2MB in the beginning and 123.3MB in the end (delta: 5.9MB). 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: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: 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, 41 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 16, TraceHistogramMax: 31, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 101 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 101 mSDsluCounter, 1265 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 909 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 979 IncrementalHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 356 mSDtfsCounter, 979 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 364 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1507 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=14, InterpolantAutomatonStates: 171, 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, 16 MinimizatonAttempts, 15 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 933 NumberOfCodeBlocks, 875 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1058 ConstructedInterpolants, 0 QuantifiedInterpolants, 1626 SizeOfPredicates, 0 NumberOfNonLiveVariables, 649 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 25 InterpolantComputations, 12 PerfectInterpolantSequences, 4775/5680 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 14 specifications checked. All of them hold - InvariantResult [Line: 18]: Location Invariant Derived location invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 21]: Location Invariant Derived location invariant: (0 < ((long long) i + 2147383647)) - InvariantResult [Line: 25]: Location Invariant Derived location invariant: (0 < ((long long) x + 2147383648)) RESULT: Ultimate proved your program to be correct! [2025-03-04 10:22:08,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE