./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-multidimensional/rev-3-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-multidimensional/rev-3-u.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe3cf414f0e241a9a4e73e59647cf6619ea50b905df4a1c2a404b3413992b780 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:20:23,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:20:23,329 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 13:20:23,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:20:23,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:20:23,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:20:23,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:20:23,375 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:20:23,375 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:20:23,376 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:20:23,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:20:23,377 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:20:23,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:20:23,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:20:23,378 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:20:23,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:20:23,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:20:23,378 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 13:20:23,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:20:23,379 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 13:20:23,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:20:23,379 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:20:23,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:20:23,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:20:23,379 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:20:23,379 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:20:23,379 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 13:20:23,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:20:23,380 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:20:23,380 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:20:23,380 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:20:23,380 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:20:23,380 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:20:23,380 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:20:23,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:20:23,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:20:23,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:20:23,380 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:20:23,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:20:23,380 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:20:23,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:20:23,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:20:23,381 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:20:23,381 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:20:23,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:20:23,381 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> fe3cf414f0e241a9a4e73e59647cf6619ea50b905df4a1c2a404b3413992b780 [2025-02-06 13:20:23,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:20:23,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:20:23,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:20:23,705 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:20:23,705 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:20:23,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/rev-3-u.c [2025-02-06 13:20:25,125 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/284c1549a/bcb23cd2e63940629ce9fbf8c6f186c3/FLAGf3d1f6413 [2025-02-06 13:20:25,391 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:20:25,392 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/array-multidimensional/rev-3-u.c [2025-02-06 13:20:25,402 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/284c1549a/bcb23cd2e63940629ce9fbf8c6f186c3/FLAGf3d1f6413 [2025-02-06 13:20:25,417 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/284c1549a/bcb23cd2e63940629ce9fbf8c6f186c3 [2025-02-06 13:20:25,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:20:25,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:20:25,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:20:25,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:20:25,426 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:20:25,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:20:25" (1/1) ... [2025-02-06 13:20:25,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf8762c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:25, skipping insertion in model container [2025-02-06 13:20:25,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:20:25" (1/1) ... [2025-02-06 13:20:25,447 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:20:25,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:20:25,621 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:20:25,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:20:25,671 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:20:25,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:25 WrapperNode [2025-02-06 13:20:25,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:20:25,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:20:25,673 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:20:25,673 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:20:25,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:25" (1/1) ... [2025-02-06 13:20:25,686 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:25" (1/1) ... [2025-02-06 13:20:25,711 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 122 [2025-02-06 13:20:25,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:20:25,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:20:25,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:20:25,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:20:25,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:25" (1/1) ... [2025-02-06 13:20:25,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:25" (1/1) ... [2025-02-06 13:20:25,728 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:25" (1/1) ... [2025-02-06 13:20:25,748 INFO L175 MemorySlicer]: Split 7 memory accesses to 3 slices as follows [2, 3, 2]. 43 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2025-02-06 13:20:25,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:25" (1/1) ... [2025-02-06 13:20:25,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:25" (1/1) ... [2025-02-06 13:20:25,756 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:25" (1/1) ... [2025-02-06 13:20:25,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:25" (1/1) ... [2025-02-06 13:20:25,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:25" (1/1) ... [2025-02-06 13:20:25,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:25" (1/1) ... [2025-02-06 13:20:25,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:20:25,770 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:20:25,770 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:20:25,770 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:20:25,771 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:25" (1/1) ... [2025-02-06 13:20:25,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:20:25,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:25,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 13:20:25,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 13:20:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 13:20:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 13:20:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 13:20:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 13:20:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 13:20:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 13:20:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 13:20:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 13:20:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:20:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:20:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 13:20:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 13:20:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 13:20:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 13:20:25,900 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:20:25,903 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:20:26,266 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L18: call ULTIMATE.dealloc(main_~#A~0#1.base, main_~#A~0#1.offset);havoc main_~#A~0#1.base, main_~#A~0#1.offset;call ULTIMATE.dealloc(main_~#B~0#1.base, main_~#B~0#1.offset);havoc main_~#B~0#1.base, main_~#B~0#1.offset; [2025-02-06 13:20:26,278 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2025-02-06 13:20:26,278 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:20:26,292 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:20:26,292 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:20:26,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:20:26 BoogieIcfgContainer [2025-02-06 13:20:26,293 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:20:26,295 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:20:26,296 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:20:26,301 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:20:26,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:20:25" (1/3) ... [2025-02-06 13:20:26,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c7f2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:20:26, skipping insertion in model container [2025-02-06 13:20:26,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:25" (2/3) ... [2025-02-06 13:20:26,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c7f2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:20:26, skipping insertion in model container [2025-02-06 13:20:26,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:20:26" (3/3) ... [2025-02-06 13:20:26,304 INFO L128 eAbstractionObserver]: Analyzing ICFG rev-3-u.c [2025-02-06 13:20:26,320 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:20:26,325 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rev-3-u.c that has 1 procedures, 102 locations, 1 initial locations, 9 loop locations, and 42 error locations. [2025-02-06 13:20:26,386 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:20:26,396 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;@25a0018b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:20:26,398 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2025-02-06 13:20:26,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 59 states have (on average 1.88135593220339) internal successors, (111), 101 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:26,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-06 13:20:26,407 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:26,407 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-06 13:20:26,408 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 13:20:26,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:26,412 INFO L85 PathProgramCache]: Analyzing trace with hash 135479490, now seen corresponding path program 1 times [2025-02-06 13:20:26,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:26,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292098345] [2025-02-06 13:20:26,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:26,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:26,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 13:20:26,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 13:20:26,505 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:26,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:26,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:20:26,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:26,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292098345] [2025-02-06 13:20:26,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292098345] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:20:26,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:20:26,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:20:26,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130815682] [2025-02-06 13:20:26,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:20:26,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:20:26,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:26,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:20:26,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:20:26,644 INFO L87 Difference]: Start difference. First operand has 102 states, 59 states have (on average 1.88135593220339) internal successors, (111), 101 states have internal predecessors, (111), 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, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:26,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:26,927 INFO L93 Difference]: Finished difference Result 252 states and 307 transitions. [2025-02-06 13:20:26,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:20:26,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2025-02-06 13:20:26,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:26,935 INFO L225 Difference]: With dead ends: 252 [2025-02-06 13:20:26,936 INFO L226 Difference]: Without dead ends: 147 [2025-02-06 13:20:26,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:20:26,941 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 131 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:26,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 68 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:20:26,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2025-02-06 13:20:26,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 141. [2025-02-06 13:20:26,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 99 states have (on average 1.797979797979798) internal successors, (178), 140 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:26,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 178 transitions. [2025-02-06 13:20:26,981 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 178 transitions. Word has length 5 [2025-02-06 13:20:26,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:26,981 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 178 transitions. [2025-02-06 13:20:26,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:26,982 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 178 transitions. [2025-02-06 13:20:26,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-06 13:20:26,983 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:26,984 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 13:20:26,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 13:20:26,984 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 13:20:26,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:26,985 INFO L85 PathProgramCache]: Analyzing trace with hash -95103683, now seen corresponding path program 1 times [2025-02-06 13:20:26,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:26,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685565539] [2025-02-06 13:20:26,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:26,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:26,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 13:20:27,014 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 13:20:27,014 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:27,015 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:27,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:20:27,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:27,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685565539] [2025-02-06 13:20:27,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685565539] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:20:27,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:20:27,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:20:27,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390198231] [2025-02-06 13:20:27,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:20:27,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:20:27,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:27,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:20:27,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:20:27,058 INFO L87 Difference]: Start difference. First operand 141 states and 178 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:27,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:27,160 INFO L93 Difference]: Finished difference Result 233 states and 310 transitions. [2025-02-06 13:20:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:20:27,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2025-02-06 13:20:27,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:27,164 INFO L225 Difference]: With dead ends: 233 [2025-02-06 13:20:27,164 INFO L226 Difference]: Without dead ends: 227 [2025-02-06 13:20:27,164 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 [2025-02-06 13:20:27,165 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 47 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:27,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 145 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:27,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2025-02-06 13:20:27,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 211. [2025-02-06 13:20:27,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 169 states have (on average 1.7633136094674555) internal successors, (298), 210 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:27,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 298 transitions. [2025-02-06 13:20:27,192 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 298 transitions. Word has length 6 [2025-02-06 13:20:27,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:27,192 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 298 transitions. [2025-02-06 13:20:27,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:27,192 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 298 transitions. [2025-02-06 13:20:27,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-06 13:20:27,192 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:27,192 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:27,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 13:20:27,195 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 13:20:27,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:27,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1330560794, now seen corresponding path program 1 times [2025-02-06 13:20:27,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:27,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635225565] [2025-02-06 13:20:27,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:27,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:27,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 13:20:27,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 13:20:27,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:27,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:27,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:20:27,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:27,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635225565] [2025-02-06 13:20:27,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635225565] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:20:27,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:20:27,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:20:27,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192048372] [2025-02-06 13:20:27,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:20:27,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:20:27,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:27,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:20:27,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:20:27,292 INFO L87 Difference]: Start difference. First operand 211 states and 298 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2025-02-06 13:20:27,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:27,405 INFO L93 Difference]: Finished difference Result 420 states and 594 transitions. [2025-02-06 13:20:27,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:20:27,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 [2025-02-06 13:20:27,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:27,408 INFO L225 Difference]: With dead ends: 420 [2025-02-06 13:20:27,408 INFO L226 Difference]: Without dead ends: 236 [2025-02-06 13:20:27,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:20:27,410 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 14 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:27,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 125 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:27,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2025-02-06 13:20:27,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 232. [2025-02-06 13:20:27,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 190 states have (on average 1.736842105263158) internal successors, (330), 231 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:27,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 330 transitions. [2025-02-06 13:20:27,435 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 330 transitions. Word has length 7 [2025-02-06 13:20:27,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:27,435 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 330 transitions. [2025-02-06 13:20:27,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2025-02-06 13:20:27,436 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 330 transitions. [2025-02-06 13:20:27,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-06 13:20:27,436 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:27,436 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:27,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 13:20:27,436 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 13:20:27,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:27,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1444666729, now seen corresponding path program 1 times [2025-02-06 13:20:27,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:27,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881523289] [2025-02-06 13:20:27,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:27,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:27,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 13:20:27,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 13:20:27,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:27,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:27,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:20:27,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:27,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881523289] [2025-02-06 13:20:27,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881523289] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:27,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895437674] [2025-02-06 13:20:27,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:27,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:27,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:27,502 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:27,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 13:20:27,540 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 13:20:27,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 13:20:27,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:27,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:27,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:20:27,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:27,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:20:27,596 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:20:27,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895437674] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:20:27,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:20:27,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-06 13:20:27,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94193127] [2025-02-06 13:20:27,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:20:27,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:20:27,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:27,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:20:27,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:20:27,599 INFO L87 Difference]: Start difference. First operand 232 states and 330 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:27,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:27,710 INFO L93 Difference]: Finished difference Result 248 states and 330 transitions. [2025-02-06 13:20:27,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:20:27,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-02-06 13:20:27,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:27,712 INFO L225 Difference]: With dead ends: 248 [2025-02-06 13:20:27,712 INFO L226 Difference]: Without dead ends: 245 [2025-02-06 13:20:27,713 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:20:27,713 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 93 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:27,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 173 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:27,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2025-02-06 13:20:27,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 229. [2025-02-06 13:20:27,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 190 states have (on average 1.694736842105263) internal successors, (322), 228 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:27,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 322 transitions. [2025-02-06 13:20:27,741 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 322 transitions. Word has length 9 [2025-02-06 13:20:27,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:27,742 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 322 transitions. [2025-02-06 13:20:27,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:27,742 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 322 transitions. [2025-02-06 13:20:27,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-06 13:20:27,742 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:27,743 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:27,751 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 13:20:27,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:27,944 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 13:20:27,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:27,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1834995711, now seen corresponding path program 1 times [2025-02-06 13:20:27,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:27,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144083655] [2025-02-06 13:20:27,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:27,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:27,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 13:20:27,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 13:20:27,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:27,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:20:28,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:28,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144083655] [2025-02-06 13:20:28,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144083655] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:28,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511239726] [2025-02-06 13:20:28,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:28,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:28,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:28,028 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:28,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 13:20:28,074 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 13:20:28,086 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 13:20:28,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:28,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:28,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:20:28,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:28,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:20:28,106 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:20:28,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:20:28,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511239726] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:20:28,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:20:28,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-06 13:20:28,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440953768] [2025-02-06 13:20:28,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:20:28,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:20:28,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:28,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:20:28,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:20:28,131 INFO L87 Difference]: Start difference. First operand 229 states and 322 transitions. Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 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) [2025-02-06 13:20:28,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:28,331 INFO L93 Difference]: Finished difference Result 524 states and 730 transitions. [2025-02-06 13:20:28,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:20:28,332 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 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 10 [2025-02-06 13:20:28,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:28,334 INFO L225 Difference]: With dead ends: 524 [2025-02-06 13:20:28,334 INFO L226 Difference]: Without dead ends: 521 [2025-02-06 13:20:28,335 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:20:28,337 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 230 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:28,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 346 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:28,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2025-02-06 13:20:28,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 457. [2025-02-06 13:20:28,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 418 states have (on average 1.6889952153110048) internal successors, (706), 456 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:28,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 706 transitions. [2025-02-06 13:20:28,362 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 706 transitions. Word has length 10 [2025-02-06 13:20:28,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:28,362 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 706 transitions. [2025-02-06 13:20:28,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 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) [2025-02-06 13:20:28,363 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 706 transitions. [2025-02-06 13:20:28,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-06 13:20:28,363 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:28,363 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:28,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 13:20:28,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:28,564 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 13:20:28,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:28,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1859813627, now seen corresponding path program 1 times [2025-02-06 13:20:28,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:28,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227115428] [2025-02-06 13:20:28,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:28,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:28,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 13:20:28,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 13:20:28,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:28,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:28,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:20:28,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:28,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227115428] [2025-02-06 13:20:28,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227115428] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:20:28,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:20:28,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:20:28,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112766752] [2025-02-06 13:20:28,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:20:28,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:20:28,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:28,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:20:28,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:20:28,634 INFO L87 Difference]: Start difference. First operand 457 states and 706 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:28,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:28,802 INFO L93 Difference]: Finished difference Result 895 states and 1387 transitions. [2025-02-06 13:20:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:20:28,802 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2025-02-06 13:20:28,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:28,805 INFO L225 Difference]: With dead ends: 895 [2025-02-06 13:20:28,805 INFO L226 Difference]: Without dead ends: 457 [2025-02-06 13:20:28,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:20:28,807 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 141 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:28,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 58 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:28,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2025-02-06 13:20:28,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2025-02-06 13:20:28,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 418 states have (on average 1.6507177033492824) internal successors, (690), 456 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:28,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 690 transitions. [2025-02-06 13:20:28,826 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 690 transitions. Word has length 10 [2025-02-06 13:20:28,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:28,827 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 690 transitions. [2025-02-06 13:20:28,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:28,827 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 690 transitions. [2025-02-06 13:20:28,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-06 13:20:28,827 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:28,827 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:28,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 13:20:28,828 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 13:20:28,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:28,828 INFO L85 PathProgramCache]: Analyzing trace with hash 804264277, now seen corresponding path program 1 times [2025-02-06 13:20:28,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:28,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780144417] [2025-02-06 13:20:28,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:28,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:28,837 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 13:20:28,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 13:20:28,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:28,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:28,908 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 13:20:28,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:28,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780144417] [2025-02-06 13:20:28,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780144417] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:28,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632078188] [2025-02-06 13:20:28,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:28,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:28,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:28,911 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:28,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 13:20:28,952 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 13:20:28,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 13:20:28,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:28,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:28,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:20:28,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:29,026 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 13:20:29,027 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:20:29,069 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 13:20:29,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632078188] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:20:29,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:20:29,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2025-02-06 13:20:29,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461256832] [2025-02-06 13:20:29,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:20:29,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:20:29,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:29,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:20:29,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:20:29,072 INFO L87 Difference]: Start difference. First operand 457 states and 690 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:29,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:29,831 INFO L93 Difference]: Finished difference Result 903 states and 1356 transitions. [2025-02-06 13:20:29,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 13:20:29,832 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 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 16 [2025-02-06 13:20:29,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:29,835 INFO L225 Difference]: With dead ends: 903 [2025-02-06 13:20:29,835 INFO L226 Difference]: Without dead ends: 465 [2025-02-06 13:20:29,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2025-02-06 13:20:29,837 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 1013 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1013 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:29,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1013 Valid, 102 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 13:20:29,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2025-02-06 13:20:29,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 450. [2025-02-06 13:20:29,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 418 states have (on average 1.507177033492823) internal successors, (630), 449 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:29,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 630 transitions. [2025-02-06 13:20:29,858 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 630 transitions. Word has length 16 [2025-02-06 13:20:29,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:29,859 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 630 transitions. [2025-02-06 13:20:29,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:29,859 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 630 transitions. [2025-02-06 13:20:29,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-06 13:20:29,859 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:29,860 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1] [2025-02-06 13:20:29,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 13:20:30,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:30,065 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 13:20:30,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:30,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1462653355, now seen corresponding path program 2 times [2025-02-06 13:20:30,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:30,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739582149] [2025-02-06 13:20:30,065 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:20:30,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:30,076 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 2 equivalence classes. [2025-02-06 13:20:30,079 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 19 statements. [2025-02-06 13:20:30,080 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 13:20:30,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:30,117 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-06 13:20:30,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:30,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739582149] [2025-02-06 13:20:30,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739582149] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:30,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408695126] [2025-02-06 13:20:30,117 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:20:30,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:30,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:30,120 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:30,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 13:20:30,160 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 2 equivalence classes. [2025-02-06 13:20:30,170 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 19 statements. [2025-02-06 13:20:30,170 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 13:20:30,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:30,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:20:30,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:30,203 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-06 13:20:30,203 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:20:30,233 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-06 13:20:30,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408695126] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:20:30,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:20:30,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-02-06 13:20:30,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826879670] [2025-02-06 13:20:30,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:20:30,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:20:30,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:30,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:20:30,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:20:30,235 INFO L87 Difference]: Start difference. First operand 450 states and 630 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:30,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:30,359 INFO L93 Difference]: Finished difference Result 450 states and 630 transitions. [2025-02-06 13:20:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:20:30,360 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 [2025-02-06 13:20:30,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:30,362 INFO L225 Difference]: With dead ends: 450 [2025-02-06 13:20:30,362 INFO L226 Difference]: Without dead ends: 447 [2025-02-06 13:20:30,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:20:30,363 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 113 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:30,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 73 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:30,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2025-02-06 13:20:30,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 379. [2025-02-06 13:20:30,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 350 states have (on average 1.48) internal successors, (518), 378 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:30,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 518 transitions. [2025-02-06 13:20:30,384 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 518 transitions. Word has length 19 [2025-02-06 13:20:30,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:30,385 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 518 transitions. [2025-02-06 13:20:30,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:30,385 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 518 transitions. [2025-02-06 13:20:30,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-06 13:20:30,387 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:30,387 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:30,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 13:20:30,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-02-06 13:20:30,591 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 13:20:30,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:30,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1890332550, now seen corresponding path program 1 times [2025-02-06 13:20:30,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:30,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578524119] [2025-02-06 13:20:30,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:30,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:30,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 13:20:30,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 13:20:30,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:30,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:30,665 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:20:30,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:30,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578524119] [2025-02-06 13:20:30,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578524119] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:20:30,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:20:30,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:20:30,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807575592] [2025-02-06 13:20:30,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:20:30,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:20:30,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:30,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:20:30,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:20:30,667 INFO L87 Difference]: Start difference. First operand 379 states and 518 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:30,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:30,785 INFO L93 Difference]: Finished difference Result 379 states and 518 transitions. [2025-02-06 13:20:30,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:20:30,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 27 [2025-02-06 13:20:30,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:30,788 INFO L225 Difference]: With dead ends: 379 [2025-02-06 13:20:30,788 INFO L226 Difference]: Without dead ends: 375 [2025-02-06 13:20:30,789 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 [2025-02-06 13:20:30,790 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 55 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:30,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 24 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:30,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2025-02-06 13:20:30,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2025-02-06 13:20:30,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 350 states have (on average 1.3885714285714286) internal successors, (486), 374 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:30,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 486 transitions. [2025-02-06 13:20:30,809 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 486 transitions. Word has length 27 [2025-02-06 13:20:30,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:30,809 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 486 transitions. [2025-02-06 13:20:30,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:30,810 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 486 transitions. [2025-02-06 13:20:30,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-06 13:20:30,811 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:30,811 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:30,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 13:20:30,812 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 13:20:30,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:30,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1529233148, now seen corresponding path program 1 times [2025-02-06 13:20:30,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:30,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838306642] [2025-02-06 13:20:30,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:30,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:30,824 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 13:20:30,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 13:20:30,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:30,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:30,900 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:20:30,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:30,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838306642] [2025-02-06 13:20:30,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838306642] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:20:30,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:20:30,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:20:30,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501276097] [2025-02-06 13:20:30,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:20:30,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:20:30,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:30,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:20:30,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:20:30,902 INFO L87 Difference]: Start difference. First operand 375 states and 486 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:31,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:31,065 INFO L93 Difference]: Finished difference Result 664 states and 889 transitions. [2025-02-06 13:20:31,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:20:31,066 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 28 [2025-02-06 13:20:31,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:31,069 INFO L225 Difference]: With dead ends: 664 [2025-02-06 13:20:31,069 INFO L226 Difference]: Without dead ends: 656 [2025-02-06 13:20:31,069 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:20:31,070 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 161 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:31,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 43 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:31,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2025-02-06 13:20:31,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 653. [2025-02-06 13:20:31,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 628 states have (on average 1.35828025477707) internal successors, (853), 652 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:31,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 853 transitions. [2025-02-06 13:20:31,099 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 853 transitions. Word has length 28 [2025-02-06 13:20:31,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:31,099 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 853 transitions. [2025-02-06 13:20:31,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:31,100 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 853 transitions. [2025-02-06 13:20:31,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-06 13:20:31,100 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:31,100 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:31,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 13:20:31,101 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 13:20:31,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:31,101 INFO L85 PathProgramCache]: Analyzing trace with hash -808532488, now seen corresponding path program 1 times [2025-02-06 13:20:31,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:31,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348012046] [2025-02-06 13:20:31,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:31,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:31,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 13:20:31,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 13:20:31,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:31,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:31,191 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:20:31,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:31,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348012046] [2025-02-06 13:20:31,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348012046] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:20:31,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:20:31,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:20:31,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049024617] [2025-02-06 13:20:31,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:20:31,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:20:31,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:31,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:20:31,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:20:31,195 INFO L87 Difference]: Start difference. First operand 653 states and 853 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:31,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:31,363 INFO L93 Difference]: Finished difference Result 657 states and 853 transitions. [2025-02-06 13:20:31,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:20:31,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 32 [2025-02-06 13:20:31,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:31,366 INFO L225 Difference]: With dead ends: 657 [2025-02-06 13:20:31,366 INFO L226 Difference]: Without dead ends: 653 [2025-02-06 13:20:31,367 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:20:31,368 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 95 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:31,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 47 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:31,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2025-02-06 13:20:31,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 653. [2025-02-06 13:20:31,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 628 states have (on average 1.3073248407643312) internal successors, (821), 652 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:31,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 821 transitions. [2025-02-06 13:20:31,394 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 821 transitions. Word has length 32 [2025-02-06 13:20:31,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:31,394 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 821 transitions. [2025-02-06 13:20:31,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:31,394 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 821 transitions. [2025-02-06 13:20:31,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-06 13:20:31,397 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:31,397 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 13:20:31,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 13:20:31,398 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 13:20:31,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:31,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1799853783, now seen corresponding path program 1 times [2025-02-06 13:20:31,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:31,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369675510] [2025-02-06 13:20:31,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:31,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:31,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 13:20:31,422 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 13:20:31,422 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:31,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:31,484 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 13:20:31,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:31,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369675510] [2025-02-06 13:20:31,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369675510] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:31,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706033022] [2025-02-06 13:20:31,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:31,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:31,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:31,488 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:31,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 13:20:31,540 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 13:20:31,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 13:20:31,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:31,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:31,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:20:31,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:31,684 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:20:31,685 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:20:31,784 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:20:31,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706033022] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:20:31,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:20:31,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 16 [2025-02-06 13:20:31,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089189892] [2025-02-06 13:20:31,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:20:31,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 13:20:31,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:31,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 13:20:31,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:20:31,788 INFO L87 Difference]: Start difference. First operand 653 states and 821 transitions. Second operand has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:33,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:33,111 INFO L93 Difference]: Finished difference Result 2869 states and 3834 transitions. [2025-02-06 13:20:33,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-02-06 13:20:33,111 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 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 35 [2025-02-06 13:20:33,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:33,120 INFO L225 Difference]: With dead ends: 2869 [2025-02-06 13:20:33,121 INFO L226 Difference]: Without dead ends: 2233 [2025-02-06 13:20:33,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2025-02-06 13:20:33,123 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 4298 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4298 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:33,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4298 Valid, 117 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 13:20:33,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2233 states. [2025-02-06 13:20:33,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2233 to 2217. [2025-02-06 13:20:33,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2217 states, 2192 states have (on average 1.291514598540146) internal successors, (2831), 2216 states have internal predecessors, (2831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:33,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 2217 states and 2831 transitions. [2025-02-06 13:20:33,211 INFO L78 Accepts]: Start accepts. Automaton has 2217 states and 2831 transitions. Word has length 35 [2025-02-06 13:20:33,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:33,211 INFO L471 AbstractCegarLoop]: Abstraction has 2217 states and 2831 transitions. [2025-02-06 13:20:33,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:33,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 2831 transitions. [2025-02-06 13:20:33,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-06 13:20:33,214 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:33,214 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:33,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 13:20:33,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-02-06 13:20:33,415 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 13:20:33,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:33,415 INFO L85 PathProgramCache]: Analyzing trace with hash -302929257, now seen corresponding path program 1 times [2025-02-06 13:20:33,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:33,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497320944] [2025-02-06 13:20:33,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:33,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:33,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 13:20:33,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 13:20:33,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:33,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:33,603 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2025-02-06 13:20:33,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:33,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497320944] [2025-02-06 13:20:33,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497320944] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:20:33,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:20:33,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:20:33,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188646341] [2025-02-06 13:20:33,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:20:33,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:20:33,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:33,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:20:33,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:20:33,605 INFO L87 Difference]: Start difference. First operand 2217 states and 2831 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:33,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:33,773 INFO L93 Difference]: Finished difference Result 2221 states and 2831 transitions. [2025-02-06 13:20:33,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:20:33,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 88 [2025-02-06 13:20:33,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:33,784 INFO L225 Difference]: With dead ends: 2221 [2025-02-06 13:20:33,785 INFO L226 Difference]: Without dead ends: 2217 [2025-02-06 13:20:33,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:20:33,787 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 100 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:33,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 49 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:33,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2025-02-06 13:20:33,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 2217. [2025-02-06 13:20:33,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2217 states, 2192 states have (on average 1.2805656934306568) internal successors, (2807), 2216 states have internal predecessors, (2807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:33,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 2217 states and 2807 transitions. [2025-02-06 13:20:33,887 INFO L78 Accepts]: Start accepts. Automaton has 2217 states and 2807 transitions. Word has length 88 [2025-02-06 13:20:33,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:33,888 INFO L471 AbstractCegarLoop]: Abstraction has 2217 states and 2807 transitions. [2025-02-06 13:20:33,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:33,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 2807 transitions. [2025-02-06 13:20:33,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-06 13:20:33,890 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:33,891 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:33,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-06 13:20:33,891 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 13:20:33,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:33,892 INFO L85 PathProgramCache]: Analyzing trace with hash -883183427, now seen corresponding path program 1 times [2025-02-06 13:20:33,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:33,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665175914] [2025-02-06 13:20:33,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:33,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:33,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-06 13:20:33,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-06 13:20:33,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:33,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:34,372 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 324 proven. 145 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2025-02-06 13:20:34,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:34,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665175914] [2025-02-06 13:20:34,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665175914] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:34,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298677113] [2025-02-06 13:20:34,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:34,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:34,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:34,377 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:34,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 13:20:34,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-06 13:20:34,491 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-06 13:20:34,491 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:34,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:34,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 13:20:34,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:34,732 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 324 proven. 145 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2025-02-06 13:20:34,733 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:20:35,014 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 324 proven. 145 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2025-02-06 13:20:35,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298677113] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:20:35,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:20:35,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 37 [2025-02-06 13:20:35,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775345915] [2025-02-06 13:20:35,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:20:35,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-02-06 13:20:35,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:35,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-02-06 13:20:35,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=753, Unknown=0, NotChecked=0, Total=1332 [2025-02-06 13:20:35,016 INFO L87 Difference]: Start difference. First operand 2217 states and 2807 transitions. Second operand has 37 states, 37 states have (on average 3.5135135135135136) internal successors, (130), 37 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:36,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:36,625 INFO L93 Difference]: Finished difference Result 6919 states and 9034 transitions. [2025-02-06 13:20:36,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-02-06 13:20:36,626 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.5135135135135136) internal successors, (130), 37 states have internal predecessors, (130), 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 103 [2025-02-06 13:20:36,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:36,645 INFO L225 Difference]: With dead ends: 6919 [2025-02-06 13:20:36,646 INFO L226 Difference]: Without dead ends: 4737 [2025-02-06 13:20:36,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=876, Invalid=1380, Unknown=0, NotChecked=0, Total=2256 [2025-02-06 13:20:36,651 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 2514 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2514 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:36,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2514 Valid, 215 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 1190 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-06 13:20:36,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4737 states. [2025-02-06 13:20:36,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4737 to 4737. [2025-02-06 13:20:36,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4737 states, 4712 states have (on average 1.2833191850594228) internal successors, (6047), 4736 states have internal predecessors, (6047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:36,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4737 states to 4737 states and 6047 transitions. [2025-02-06 13:20:36,820 INFO L78 Accepts]: Start accepts. Automaton has 4737 states and 6047 transitions. Word has length 103 [2025-02-06 13:20:36,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:36,821 INFO L471 AbstractCegarLoop]: Abstraction has 4737 states and 6047 transitions. [2025-02-06 13:20:36,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.5135135135135136) internal successors, (130), 37 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:36,821 INFO L276 IsEmpty]: Start isEmpty. Operand 4737 states and 6047 transitions. [2025-02-06 13:20:36,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-02-06 13:20:36,824 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:36,824 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:36,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 13:20:37,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-02-06 13:20:37,027 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 13:20:37,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:37,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1914581053, now seen corresponding path program 2 times [2025-02-06 13:20:37,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:37,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713948783] [2025-02-06 13:20:37,028 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:20:37,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:37,061 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 175 statements into 2 equivalence classes. [2025-02-06 13:20:37,100 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 175 of 175 statements. [2025-02-06 13:20:37,101 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:20:37,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:37,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2944 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2943 trivial. 0 not checked. [2025-02-06 13:20:37,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:37,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713948783] [2025-02-06 13:20:37,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713948783] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:37,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030690594] [2025-02-06 13:20:37,365 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:20:37,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:37,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:37,368 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:37,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 13:20:37,459 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 175 statements into 2 equivalence classes. [2025-02-06 13:20:37,548 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 175 of 175 statements. [2025-02-06 13:20:37,549 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:20:37,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:37,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-06 13:20:37,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:38,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2944 backedges. 1500 proven. 715 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2025-02-06 13:20:38,162 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:20:38,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2944 backedges. 1500 proven. 715 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2025-02-06 13:20:38,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030690594] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:20:38,769 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:20:38,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 26, 26] total 52 [2025-02-06 13:20:38,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661532142] [2025-02-06 13:20:38,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:20:38,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2025-02-06 13:20:38,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:38,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2025-02-06 13:20:38,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1186, Invalid=1466, Unknown=0, NotChecked=0, Total=2652 [2025-02-06 13:20:38,772 INFO L87 Difference]: Start difference. First operand 4737 states and 6047 transitions. Second operand has 52 states, 52 states have (on average 3.519230769230769) internal successors, (183), 52 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:48,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:48,385 INFO L93 Difference]: Finished difference Result 19324 states and 25692 transitions. [2025-02-06 13:20:48,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2025-02-06 13:20:48,385 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 3.519230769230769) internal successors, (183), 52 states have internal predecessors, (183), 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 175 [2025-02-06 13:20:48,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:48,432 INFO L225 Difference]: With dead ends: 19324 [2025-02-06 13:20:48,432 INFO L226 Difference]: Without dead ends: 14658 [2025-02-06 13:20:48,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9132 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=9863, Invalid=18193, Unknown=0, NotChecked=0, Total=28056 [2025-02-06 13:20:48,447 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 24765 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 1863 mSolverCounterSat, 1142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24765 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 3005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1142 IncrementalHoareTripleChecker+Valid, 1863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:48,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24765 Valid, 167 Invalid, 3005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1142 Valid, 1863 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2025-02-06 13:20:48,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14658 states. [2025-02-06 13:20:48,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14658 to 9779. [2025-02-06 13:20:48,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9779 states, 9754 states have (on average 1.2843961451712118) internal successors, (12528), 9778 states have internal predecessors, (12528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:48,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9779 states to 9779 states and 12528 transitions. [2025-02-06 13:20:48,825 INFO L78 Accepts]: Start accepts. Automaton has 9779 states and 12528 transitions. Word has length 175 [2025-02-06 13:20:48,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:48,825 INFO L471 AbstractCegarLoop]: Abstraction has 9779 states and 12528 transitions. [2025-02-06 13:20:48,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.519230769230769) internal successors, (183), 52 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:48,826 INFO L276 IsEmpty]: Start isEmpty. Operand 9779 states and 12528 transitions. [2025-02-06 13:20:48,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2025-02-06 13:20:48,831 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:48,832 INFO L218 NwaCegarLoop]: trace histogram [138, 138, 138, 3, 3, 3, 2, 1, 1, 1, 1] [2025-02-06 13:20:48,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-06 13:20:49,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:49,033 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 13:20:49,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:49,033 INFO L85 PathProgramCache]: Analyzing trace with hash 561509798, now seen corresponding path program 2 times [2025-02-06 13:20:49,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:49,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118866644] [2025-02-06 13:20:49,034 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:20:49,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:49,102 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 429 statements into 2 equivalence classes. [2025-02-06 13:20:49,105 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 429 statements. [2025-02-06 13:20:49,105 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 13:20:49,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:49,134 INFO L134 CoverageAnalysis]: Checked inductivity of 28785 backedges. 0 proven. 12886 refuted. 0 times theorem prover too weak. 15899 trivial. 0 not checked. [2025-02-06 13:20:49,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:49,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118866644] [2025-02-06 13:20:49,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118866644] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:49,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699042865] [2025-02-06 13:20:49,135 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:20:49,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:49,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:49,137 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:49,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 13:20:49,339 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 429 statements into 2 equivalence classes. [2025-02-06 13:20:49,347 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 429 statements. [2025-02-06 13:20:49,347 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 13:20:49,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:49,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:20:49,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:49,817 INFO L134 CoverageAnalysis]: Checked inductivity of 28785 backedges. 0 proven. 12886 refuted. 0 times theorem prover too weak. 15899 trivial. 0 not checked. [2025-02-06 13:20:49,817 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:20:50,262 INFO L134 CoverageAnalysis]: Checked inductivity of 28785 backedges. 0 proven. 12886 refuted. 0 times theorem prover too weak. 15899 trivial. 0 not checked. [2025-02-06 13:20:50,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699042865] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:20:50,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:20:50,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-02-06 13:20:50,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756006041] [2025-02-06 13:20:50,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:20:50,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:20:50,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:50,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:20:50,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:20:50,264 INFO L87 Difference]: Start difference. First operand 9779 states and 12528 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:50,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:50,449 INFO L93 Difference]: Finished difference Result 9779 states and 12528 transitions. [2025-02-06 13:20:50,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:20:50,449 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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 429 [2025-02-06 13:20:50,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:50,476 INFO L225 Difference]: With dead ends: 9779 [2025-02-06 13:20:50,476 INFO L226 Difference]: Without dead ends: 9776 [2025-02-06 13:20:50,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 861 GetRequests, 855 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:20:50,482 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 216 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:50,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 37 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:50,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9776 states. [2025-02-06 13:20:50,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9776 to 9486. [2025-02-06 13:20:50,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9486 states, 9464 states have (on average 1.2922654268808116) internal successors, (12230), 9485 states have internal predecessors, (12230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:50,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9486 states to 9486 states and 12230 transitions. [2025-02-06 13:20:50,864 INFO L78 Accepts]: Start accepts. Automaton has 9486 states and 12230 transitions. Word has length 429 [2025-02-06 13:20:50,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:50,865 INFO L471 AbstractCegarLoop]: Abstraction has 9486 states and 12230 transitions. [2025-02-06 13:20:50,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:50,865 INFO L276 IsEmpty]: Start isEmpty. Operand 9486 states and 12230 transitions. [2025-02-06 13:20:50,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2025-02-06 13:20:50,877 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:50,877 INFO L218 NwaCegarLoop]: trace histogram [184, 184, 184, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 13:20:50,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-06 13:20:51,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-02-06 13:20:51,082 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 13:20:51,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:51,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1388050329, now seen corresponding path program 1 times [2025-02-06 13:20:51,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:51,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126273823] [2025-02-06 13:20:51,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:51,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:51,186 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 577 statements into 1 equivalence classes. [2025-02-06 13:20:51,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 577 of 577 statements. [2025-02-06 13:20:51,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:51,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:51,982 INFO L134 CoverageAnalysis]: Checked inductivity of 51279 backedges. 0 proven. 25783 refuted. 0 times theorem prover too weak. 25496 trivial. 0 not checked. [2025-02-06 13:20:51,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:51,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126273823] [2025-02-06 13:20:51,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126273823] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:51,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105604604] [2025-02-06 13:20:51,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:51,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:51,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:51,987 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:51,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-06 13:20:52,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 577 statements into 1 equivalence classes. [2025-02-06 13:20:52,502 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 577 of 577 statements. [2025-02-06 13:20:52,503 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:52,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:52,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 2124 conjuncts, 49 conjuncts are in the unsatisfiable core [2025-02-06 13:20:52,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:53,929 INFO L134 CoverageAnalysis]: Checked inductivity of 51279 backedges. 19329 proven. 3151 refuted. 0 times theorem prover too weak. 28799 trivial. 0 not checked. [2025-02-06 13:20:53,929 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:20:55,970 INFO L134 CoverageAnalysis]: Checked inductivity of 51279 backedges. 19329 proven. 3151 refuted. 0 times theorem prover too weak. 28799 trivial. 0 not checked. [2025-02-06 13:20:55,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105604604] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:20:55,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:20:55,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 50, 50] total 100 [2025-02-06 13:20:55,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615860520] [2025-02-06 13:20:55,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:20:55,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2025-02-06 13:20:55,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:55,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2025-02-06 13:20:55,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4663, Invalid=5237, Unknown=0, NotChecked=0, Total=9900 [2025-02-06 13:20:55,980 INFO L87 Difference]: Start difference. First operand 9486 states and 12230 transitions. Second operand has 100 states, 100 states have (on average 3.19) internal successors, (319), 100 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:21:28,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:21:28,961 INFO L93 Difference]: Finished difference Result 28630 states and 37756 transitions. [2025-02-06 13:21:28,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2025-02-06 13:21:28,962 INFO L78 Accepts]: Start accepts. Automaton has has 100 states, 100 states have (on average 3.19) internal successors, (319), 100 states have internal predecessors, (319), 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 577 [2025-02-06 13:21:28,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:21:29,004 INFO L225 Difference]: With dead ends: 28630 [2025-02-06 13:21:29,004 INFO L226 Difference]: Without dead ends: 19287 [2025-02-06 13:21:29,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1345 GetRequests, 1057 SyntacticMatches, 0 SemanticMatches, 288 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22278 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=23473, Invalid=60337, Unknown=0, NotChecked=0, Total=83810 [2025-02-06 13:21:29,027 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 36288 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 6670 mSolverCounterSat, 1817 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36288 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 8487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1817 IncrementalHoareTripleChecker+Valid, 6670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2025-02-06 13:21:29,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36288 Valid, 449 Invalid, 8487 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1817 Valid, 6670 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2025-02-06 13:21:29,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19287 states. [2025-02-06 13:21:29,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19287 to 19275. [2025-02-06 13:21:29,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19275 states, 19256 states have (on average 1.2930515164104694) internal successors, (24899), 19274 states have internal predecessors, (24899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:21:29,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19275 states to 19275 states and 24899 transitions. [2025-02-06 13:21:29,413 INFO L78 Accepts]: Start accepts. Automaton has 19275 states and 24899 transitions. Word has length 577 [2025-02-06 13:21:29,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:21:29,413 INFO L471 AbstractCegarLoop]: Abstraction has 19275 states and 24899 transitions. [2025-02-06 13:21:29,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 3.19) internal successors, (319), 100 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:21:29,414 INFO L276 IsEmpty]: Start isEmpty. Operand 19275 states and 24899 transitions. [2025-02-06 13:21:29,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1155 [2025-02-06 13:21:29,444 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:21:29,445 INFO L218 NwaCegarLoop]: trace histogram [376, 376, 376, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1] [2025-02-06 13:21:29,459 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-06 13:21:29,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:21:29,650 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 13:21:29,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:21:29,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1812638777, now seen corresponding path program 1 times [2025-02-06 13:21:29,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:21:29,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455198268] [2025-02-06 13:21:29,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:21:29,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:21:29,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1154 statements into 1 equivalence classes. [2025-02-06 13:21:29,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1154 of 1154 statements. [2025-02-06 13:21:29,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:21:29,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:21:32,227 INFO L134 CoverageAnalysis]: Checked inductivity of 213040 backedges. 0 proven. 106808 refuted. 0 times theorem prover too weak. 106232 trivial. 0 not checked. [2025-02-06 13:21:32,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:21:32,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455198268] [2025-02-06 13:21:32,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455198268] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:21:32,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034837610] [2025-02-06 13:21:32,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:21:32,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:21:32,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:21:32,232 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:21:32,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-06 13:21:32,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1154 statements into 1 equivalence classes. [2025-02-06 13:21:33,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1154 of 1154 statements. [2025-02-06 13:21:33,185 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:21:33,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:21:33,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 4237 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-02-06 13:21:33,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:21:37,422 INFO L134 CoverageAnalysis]: Checked inductivity of 213040 backedges. 80097 proven. 13207 refuted. 0 times theorem prover too weak. 119736 trivial. 0 not checked. [2025-02-06 13:21:37,422 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:21:44,588 INFO L134 CoverageAnalysis]: Checked inductivity of 213040 backedges. 80097 proven. 13207 refuted. 0 times theorem prover too weak. 119736 trivial. 0 not checked. [2025-02-06 13:21:44,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034837610] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:21:44,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:21:44,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 98, 98] total 196 [2025-02-06 13:21:44,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203917493] [2025-02-06 13:21:44,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:21:44,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 196 states [2025-02-06 13:21:44,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:21:44,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2025-02-06 13:21:44,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18536, Invalid=19684, Unknown=0, NotChecked=0, Total=38220 [2025-02-06 13:21:44,602 INFO L87 Difference]: Start difference. First operand 19275 states and 24899 transitions. Second operand has 196 states, 196 states have (on average 3.1020408163265305) internal successors, (608), 196 states have internal predecessors, (608), 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)