./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d 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/uthash-2.0.2/uthash_FNV_nondet_test1-1.i -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 fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 13:36:58,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 13:36:58,136 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 13:36:58,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 13:36:58,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 13:36:58,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 13:36:58,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 13:36:58,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 13:36:58,171 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 13:36:58,171 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 13:36:58,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 13:36:58,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 13:36:58,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 13:36:58,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 13:36:58,173 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 13:36:58,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 13:36:58,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 13:36:58,173 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 13:36:58,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 13:36:58,174 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 13:36:58,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 13:36:58,174 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 13:36:58,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 13:36:58,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 13:36:58,175 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 13:36:58,175 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 13:36:58,175 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 13:36:58,175 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 13:36:58,175 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 13:36:58,175 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 13:36:58,175 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 13:36:58,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 13:36:58,176 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 13:36:58,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 13:36:58,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:36:58,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 13:36:58,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 13:36:58,176 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 13:36:58,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 13:36:58,177 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 13:36:58,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 13:36:58,177 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 13:36:58,177 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 13:36:58,177 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 13:36:58,177 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 13:36:58,177 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 -> fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 [2025-02-08 13:36:58,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 13:36:58,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 13:36:58,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 13:36:58,481 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 13:36:58,482 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 13:36:58,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-1.i [2025-02-08 13:36:59,839 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fad82da7f/9240dadf25fb42d2b7131cff9695e021/FLAGbaa63bd65 [2025-02-08 13:37:00,278 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 13:37:00,280 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-1.i [2025-02-08 13:37:00,300 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fad82da7f/9240dadf25fb42d2b7131cff9695e021/FLAGbaa63bd65 [2025-02-08 13:37:00,320 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fad82da7f/9240dadf25fb42d2b7131cff9695e021 [2025-02-08 13:37:00,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 13:37:00,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 13:37:00,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 13:37:00,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 13:37:00,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 13:37:00,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:37:00" (1/1) ... [2025-02-08 13:37:00,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c0fd008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:00, skipping insertion in model container [2025-02-08 13:37:00,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:37:00" (1/1) ... [2025-02-08 13:37:00,377 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 13:37:00,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:37:00,763 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 13:37:00,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:37:00,887 INFO L204 MainTranslator]: Completed translation [2025-02-08 13:37:00,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:00 WrapperNode [2025-02-08 13:37:00,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 13:37:00,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 13:37:00,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 13:37:00,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 13:37:00,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:00" (1/1) ... [2025-02-08 13:37:00,924 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:00" (1/1) ... [2025-02-08 13:37:00,965 INFO L138 Inliner]: procedures = 176, calls = 170, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 779 [2025-02-08 13:37:00,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 13:37:00,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 13:37:00,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 13:37:00,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 13:37:00,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:00" (1/1) ... [2025-02-08 13:37:00,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:00" (1/1) ... [2025-02-08 13:37:00,987 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:00" (1/1) ... [2025-02-08 13:37:01,031 INFO L175 MemorySlicer]: Split 158 memory accesses to 2 slices as follows [2, 156]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 42 writes are split as follows [0, 42]. [2025-02-08 13:37:01,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:00" (1/1) ... [2025-02-08 13:37:01,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:00" (1/1) ... [2025-02-08 13:37:01,051 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:00" (1/1) ... [2025-02-08 13:37:01,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:00" (1/1) ... [2025-02-08 13:37:01,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:00" (1/1) ... [2025-02-08 13:37:01,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:00" (1/1) ... [2025-02-08 13:37:01,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 13:37:01,067 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 13:37:01,067 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 13:37:01,067 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 13:37:01,068 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:00" (1/1) ... [2025-02-08 13:37:01,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:37:01,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:37:01,115 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) [2025-02-08 13:37:01,120 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 [2025-02-08 13:37:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 13:37:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 13:37:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 13:37:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 13:37:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 13:37:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 13:37:01,144 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 13:37:01,144 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 13:37:01,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 13:37:01,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 13:37:01,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 13:37:01,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 13:37:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 13:37:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 13:37:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 13:37:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 13:37:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 13:37:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 13:37:01,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 13:37:01,307 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 13:37:01,310 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 13:37:02,312 INFO L? ?]: Removed 205 outVars from TransFormulas that were not future-live. [2025-02-08 13:37:02,312 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 13:37:02,357 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 13:37:02,360 INFO L337 CfgBuilder]: Removed 1 assume(true) statements. [2025-02-08 13:37:02,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:37:02 BoogieIcfgContainer [2025-02-08 13:37:02,361 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 13:37:02,363 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 13:37:02,364 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 13:37:02,368 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 13:37:02,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:37:00" (1/3) ... [2025-02-08 13:37:02,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@529e1716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:37:02, skipping insertion in model container [2025-02-08 13:37:02,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:00" (2/3) ... [2025-02-08 13:37:02,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@529e1716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:37:02, skipping insertion in model container [2025-02-08 13:37:02,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:37:02" (3/3) ... [2025-02-08 13:37:02,371 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_FNV_nondet_test1-1.i [2025-02-08 13:37:02,384 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 13:37:02,387 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_FNV_nondet_test1-1.i that has 3 procedures, 220 locations, 1 initial locations, 20 loop locations, and 6 error locations. [2025-02-08 13:37:02,452 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 13:37:02,467 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;@6ea983e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 13:37:02,467 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-02-08 13:37:02,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 216 states, 205 states have (on average 1.6146341463414635) internal successors, (331), 211 states have internal predecessors, (331), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:37:02,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-08 13:37:02,477 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:37:02,478 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-08 13:37:02,478 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:37:02,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:37:02,486 INFO L85 PathProgramCache]: Analyzing trace with hash 11668108, now seen corresponding path program 1 times [2025-02-08 13:37:02,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:37:02,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019904921] [2025-02-08 13:37:02,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:02,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:37:02,576 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 13:37:02,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 13:37:02,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:02,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:02,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:37:02,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:37:02,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019904921] [2025-02-08 13:37:02,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019904921] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:37:02,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:37:02,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:37:02,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315958462] [2025-02-08 13:37:02,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:37:02,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:37:02,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:37:02,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:37:02,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:37:02,692 INFO L87 Difference]: Start difference. First operand has 216 states, 205 states have (on average 1.6146341463414635) internal successors, (331), 211 states have internal predecessors, (331), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:37:02,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:37:02,898 INFO L93 Difference]: Finished difference Result 626 states and 987 transitions. [2025-02-08 13:37:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:37:02,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-02-08 13:37:02,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:37:02,908 INFO L225 Difference]: With dead ends: 626 [2025-02-08 13:37:02,909 INFO L226 Difference]: Without dead ends: 406 [2025-02-08 13:37:02,914 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 [2025-02-08 13:37:02,917 INFO L435 NwaCegarLoop]: 278 mSDtfsCounter, 276 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:37:02,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 552 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:37:02,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2025-02-08 13:37:02,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 211. [2025-02-08 13:37:02,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 201 states have (on average 1.4577114427860696) internal successors, (293), 206 states have internal predecessors, (293), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:37:02,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 299 transitions. [2025-02-08 13:37:02,968 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 299 transitions. Word has length 4 [2025-02-08 13:37:02,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:37:02,969 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 299 transitions. [2025-02-08 13:37:02,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:37:02,969 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 299 transitions. [2025-02-08 13:37:02,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 13:37:02,969 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:37:02,970 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 13:37:02,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 13:37:02,970 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:37:02,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:37:02,971 INFO L85 PathProgramCache]: Analyzing trace with hash 372147109, now seen corresponding path program 1 times [2025-02-08 13:37:02,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:37:02,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020099699] [2025-02-08 13:37:02,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:02,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:37:02,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 13:37:03,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 13:37:03,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:03,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:03,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:37:03,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:37:03,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020099699] [2025-02-08 13:37:03,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020099699] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:37:03,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:37:03,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:37:03,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600071119] [2025-02-08 13:37:03,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:37:03,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:37:03,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:37:03,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:37:03,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:37:03,253 INFO L87 Difference]: Start difference. First operand 211 states and 299 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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) [2025-02-08 13:37:03,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:37:03,352 INFO L93 Difference]: Finished difference Result 216 states and 305 transitions. [2025-02-08 13:37:03,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:37:03,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 [2025-02-08 13:37:03,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:37:03,355 INFO L225 Difference]: With dead ends: 216 [2025-02-08 13:37:03,355 INFO L226 Difference]: Without dead ends: 215 [2025-02-08 13:37:03,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:37:03,356 INFO L435 NwaCegarLoop]: 273 mSDtfsCounter, 1 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:37:03,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 806 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:37:03,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-02-08 13:37:03,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 214. [2025-02-08 13:37:03,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 204 states have (on average 1.4509803921568627) internal successors, (296), 209 states have internal predecessors, (296), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:37:03,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 302 transitions. [2025-02-08 13:37:03,374 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 302 transitions. Word has length 5 [2025-02-08 13:37:03,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:37:03,374 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 302 transitions. [2025-02-08 13:37:03,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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) [2025-02-08 13:37:03,374 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 302 transitions. [2025-02-08 13:37:03,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 13:37:03,374 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:37:03,375 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 13:37:03,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 13:37:03,375 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:37:03,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:37:03,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1348341187, now seen corresponding path program 1 times [2025-02-08 13:37:03,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:37:03,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452338683] [2025-02-08 13:37:03,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:03,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:37:03,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 13:37:03,406 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 13:37:03,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:03,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:03,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:37:03,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:37:03,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452338683] [2025-02-08 13:37:03,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452338683] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:37:03,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:37:03,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:37:03,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904397274] [2025-02-08 13:37:03,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:37:03,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:37:03,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:37:03,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:37:03,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:37:03,549 INFO L87 Difference]: Start difference. First operand 214 states and 302 transitions. Second operand has 4 states, 3 states have (on average 2.0) 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) [2025-02-08 13:37:03,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:37:03,633 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2025-02-08 13:37:03,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:37:03,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) 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 [2025-02-08 13:37:03,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:37:03,635 INFO L225 Difference]: With dead ends: 216 [2025-02-08 13:37:03,635 INFO L226 Difference]: Without dead ends: 215 [2025-02-08 13:37:03,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:37:03,636 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 0 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:37:03,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 807 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:37:03,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-02-08 13:37:03,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2025-02-08 13:37:03,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 205 states have (on average 1.448780487804878) internal successors, (297), 210 states have internal predecessors, (297), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:37:03,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 303 transitions. [2025-02-08 13:37:03,654 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 303 transitions. Word has length 6 [2025-02-08 13:37:03,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:37:03,654 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 303 transitions. [2025-02-08 13:37:03,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) 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) [2025-02-08 13:37:03,654 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 303 transitions. [2025-02-08 13:37:03,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-02-08 13:37:03,657 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:37:03,657 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:37:03,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 13:37:03,657 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:37:03,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:37:03,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1562691699, now seen corresponding path program 1 times [2025-02-08 13:37:03,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:37:03,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743276307] [2025-02-08 13:37:03,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:03,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:37:03,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-08 13:37:03,723 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-08 13:37:03,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:03,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:03,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:37:03,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:37:03,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743276307] [2025-02-08 13:37:03,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743276307] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:37:03,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:37:03,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 13:37:03,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635904906] [2025-02-08 13:37:03,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:37:03,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:37:03,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:37:03,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:37:03,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:37:03,976 INFO L87 Difference]: Start difference. First operand 215 states and 303 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2025-02-08 13:37:04,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:37:04,110 INFO L93 Difference]: Finished difference Result 427 states and 603 transitions. [2025-02-08 13:37:04,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:37:04,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 78 [2025-02-08 13:37:04,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:37:04,113 INFO L225 Difference]: With dead ends: 427 [2025-02-08 13:37:04,113 INFO L226 Difference]: Without dead ends: 218 [2025-02-08 13:37:04,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:37:04,115 INFO L435 NwaCegarLoop]: 249 mSDtfsCounter, 105 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:37:04,116 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 663 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:37:04,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2025-02-08 13:37:04,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 215. [2025-02-08 13:37:04,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 205 states have (on average 1.4146341463414633) internal successors, (290), 210 states have internal predecessors, (290), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:37:04,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 296 transitions. [2025-02-08 13:37:04,127 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 296 transitions. Word has length 78 [2025-02-08 13:37:04,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:37:04,128 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 296 transitions. [2025-02-08 13:37:04,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2025-02-08 13:37:04,128 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 296 transitions. [2025-02-08 13:37:04,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-02-08 13:37:04,130 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:37:04,130 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:37:04,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 13:37:04,130 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:37:04,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:37:04,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1346331878, now seen corresponding path program 1 times [2025-02-08 13:37:04,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:37:04,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430203292] [2025-02-08 13:37:04,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:04,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:37:04,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-08 13:37:04,204 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-08 13:37:04,205 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:04,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:04,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:37:04,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:37:04,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430203292] [2025-02-08 13:37:04,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430203292] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:37:04,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:37:04,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:37:04,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266973088] [2025-02-08 13:37:04,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:37:04,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:37:04,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:37:04,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:37:04,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:37:04,331 INFO L87 Difference]: Start difference. First operand 215 states and 296 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 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) [2025-02-08 13:37:04,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:37:04,461 INFO L93 Difference]: Finished difference Result 550 states and 772 transitions. [2025-02-08 13:37:04,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:37:04,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 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 78 [2025-02-08 13:37:04,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:37:04,463 INFO L225 Difference]: With dead ends: 550 [2025-02-08 13:37:04,464 INFO L226 Difference]: Without dead ends: 341 [2025-02-08 13:37:04,464 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 [2025-02-08 13:37:04,465 INFO L435 NwaCegarLoop]: 268 mSDtfsCounter, 134 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:37:04,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 528 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:37:04,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2025-02-08 13:37:04,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2025-02-08 13:37:04,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 331 states have (on average 1.4350453172205437) internal successors, (475), 336 states have internal predecessors, (475), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:37:04,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 481 transitions. [2025-02-08 13:37:04,481 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 481 transitions. Word has length 78 [2025-02-08 13:37:04,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:37:04,482 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 481 transitions. [2025-02-08 13:37:04,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 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) [2025-02-08 13:37:04,482 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 481 transitions. [2025-02-08 13:37:04,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-02-08 13:37:04,483 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:37:04,487 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:37:04,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 13:37:04,487 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:37:04,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:37:04,488 INFO L85 PathProgramCache]: Analyzing trace with hash -871848343, now seen corresponding path program 1 times [2025-02-08 13:37:04,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:37:04,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97009964] [2025-02-08 13:37:04,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:04,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:37:04,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-08 13:37:04,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-08 13:37:04,603 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:04,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:04,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:04,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:37:04,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97009964] [2025-02-08 13:37:04,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97009964] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:37:04,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:37:04,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:37:04,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685231928] [2025-02-08 13:37:04,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:37:04,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:37:04,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:37:04,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:37:04,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:37:04,861 INFO L87 Difference]: Start difference. First operand 341 states and 481 transitions. Second operand has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:37:04,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:37:04,985 INFO L93 Difference]: Finished difference Result 406 states and 566 transitions. [2025-02-08 13:37:04,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:37:04,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 93 [2025-02-08 13:37:04,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:37:04,987 INFO L225 Difference]: With dead ends: 406 [2025-02-08 13:37:04,988 INFO L226 Difference]: Without dead ends: 404 [2025-02-08 13:37:04,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:37:04,988 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 185 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:37:04,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 865 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:37:04,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2025-02-08 13:37:05,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2025-02-08 13:37:05,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 391 states have (on average 1.411764705882353) internal successors, (552), 396 states have internal predecessors, (552), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:37:05,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 564 transitions. [2025-02-08 13:37:05,012 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 564 transitions. Word has length 93 [2025-02-08 13:37:05,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:37:05,013 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 564 transitions. [2025-02-08 13:37:05,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:37:05,013 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 564 transitions. [2025-02-08 13:37:05,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-02-08 13:37:05,017 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:37:05,018 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:37:05,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 13:37:05,018 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:37:05,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:37:05,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1324807258, now seen corresponding path program 1 times [2025-02-08 13:37:05,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:37:05,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421593413] [2025-02-08 13:37:05,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:05,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:37:05,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-08 13:37:05,092 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-08 13:37:05,092 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:05,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:05,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:05,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:37:05,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421593413] [2025-02-08 13:37:05,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421593413] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:37:05,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266450101] [2025-02-08 13:37:05,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:05,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:37:05,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:37:05,319 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) [2025-02-08 13:37:05,321 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 [2025-02-08 13:37:05,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-08 13:37:05,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-08 13:37:05,592 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:05,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:05,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 13:37:05,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:37:05,769 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:05,770 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:37:05,984 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:05,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266450101] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:37:05,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:37:05,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-08 13:37:05,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7170498] [2025-02-08 13:37:05,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:37:05,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 13:37:05,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:37:05,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 13:37:05,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-08 13:37:05,988 INFO L87 Difference]: Start difference. First operand 404 states and 564 transitions. Second operand has 10 states, 10 states have (on average 25.9) internal successors, (259), 10 states have internal predecessors, (259), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 13:37:06,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:37:06,206 INFO L93 Difference]: Finished difference Result 609 states and 852 transitions. [2025-02-08 13:37:06,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 13:37:06,207 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 25.9) internal successors, (259), 10 states have internal predecessors, (259), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 97 [2025-02-08 13:37:06,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:37:06,210 INFO L225 Difference]: With dead ends: 609 [2025-02-08 13:37:06,210 INFO L226 Difference]: Without dead ends: 603 [2025-02-08 13:37:06,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-08 13:37:06,211 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 911 mSDsluCounter, 1296 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 918 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 13:37:06,211 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [918 Valid, 1559 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 13:37:06,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2025-02-08 13:37:06,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 601. [2025-02-08 13:37:06,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 585 states have (on average 1.411965811965812) internal successors, (826), 590 states have internal predecessors, (826), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 13:37:06,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 844 transitions. [2025-02-08 13:37:06,253 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 844 transitions. Word has length 97 [2025-02-08 13:37:06,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:37:06,254 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 844 transitions. [2025-02-08 13:37:06,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 25.9) internal successors, (259), 10 states have internal predecessors, (259), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 13:37:06,254 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 844 transitions. [2025-02-08 13:37:06,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-08 13:37:06,258 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:37:06,258 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:37:06,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-08 13:37:06,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:37:06,460 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:37:06,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:37:06,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1891083723, now seen corresponding path program 1 times [2025-02-08 13:37:06,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:37:06,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082283054] [2025-02-08 13:37:06,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:06,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:37:06,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 13:37:06,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 13:37:06,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:06,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:07,120 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:07,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:37:07,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082283054] [2025-02-08 13:37:07,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082283054] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:37:07,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964753587] [2025-02-08 13:37:07,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:07,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:37:07,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:37:07,127 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) [2025-02-08 13:37:07,129 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 [2025-02-08 13:37:07,309 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 13:37:07,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 13:37:07,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:07,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:07,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 13:37:07,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:37:07,628 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:07,628 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:37:07,806 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:07,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964753587] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:37:07,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:37:07,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-08 13:37:07,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134733826] [2025-02-08 13:37:07,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:37:07,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 13:37:07,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:37:07,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 13:37:07,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2025-02-08 13:37:07,809 INFO L87 Difference]: Start difference. First operand 601 states and 844 transitions. Second operand has 13 states, 12 states have (on average 15.583333333333334) internal successors, (187), 13 states have internal predecessors, (187), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:37:08,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:37:08,127 INFO L93 Difference]: Finished difference Result 808 states and 1136 transitions. [2025-02-08 13:37:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 13:37:08,128 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.583333333333334) internal successors, (187), 13 states have internal predecessors, (187), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 98 [2025-02-08 13:37:08,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:37:08,132 INFO L225 Difference]: With dead ends: 808 [2025-02-08 13:37:08,133 INFO L226 Difference]: Without dead ends: 807 [2025-02-08 13:37:08,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2025-02-08 13:37:08,134 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 834 mSDsluCounter, 1698 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 1999 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 13:37:08,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [839 Valid, 1999 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 13:37:08,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2025-02-08 13:37:08,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 800. [2025-02-08 13:37:08,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 781 states have (on average 1.41101152368758) internal successors, (1102), 786 states have internal predecessors, (1102), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 13:37:08,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1126 transitions. [2025-02-08 13:37:08,161 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1126 transitions. Word has length 98 [2025-02-08 13:37:08,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:37:08,162 INFO L471 AbstractCegarLoop]: Abstraction has 800 states and 1126 transitions. [2025-02-08 13:37:08,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.583333333333334) internal successors, (187), 13 states have internal predecessors, (187), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:37:08,162 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1126 transitions. [2025-02-08 13:37:08,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-08 13:37:08,163 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:37:08,164 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:37:08,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 13:37:08,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:37:08,364 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:37:08,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:37:08,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1505946409, now seen corresponding path program 1 times [2025-02-08 13:37:08,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:37:08,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346981647] [2025-02-08 13:37:08,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:08,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:37:08,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-08 13:37:08,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-08 13:37:08,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:08,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:08,947 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:08,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:37:08,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346981647] [2025-02-08 13:37:08,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346981647] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:37:08,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095266387] [2025-02-08 13:37:08,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:08,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:37:08,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:37:08,950 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) [2025-02-08 13:37:08,952 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 [2025-02-08 13:37:09,157 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-08 13:37:09,250 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-08 13:37:09,250 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:09,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:09,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 13:37:09,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:37:09,428 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:09,428 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:37:09,583 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:09,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095266387] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:37:09,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:37:09,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-08 13:37:09,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531587896] [2025-02-08 13:37:09,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:37:09,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 13:37:09,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:37:09,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 13:37:09,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2025-02-08 13:37:09,586 INFO L87 Difference]: Start difference. First operand 800 states and 1126 transitions. Second operand has 13 states, 12 states have (on average 15.833333333333334) internal successors, (190), 13 states have internal predecessors, (190), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:37:09,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:37:09,855 INFO L93 Difference]: Finished difference Result 808 states and 1133 transitions. [2025-02-08 13:37:09,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 13:37:09,855 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.833333333333334) internal successors, (190), 13 states have internal predecessors, (190), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 99 [2025-02-08 13:37:09,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:37:09,859 INFO L225 Difference]: With dead ends: 808 [2025-02-08 13:37:09,860 INFO L226 Difference]: Without dead ends: 807 [2025-02-08 13:37:09,860 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2025-02-08 13:37:09,861 INFO L435 NwaCegarLoop]: 302 mSDtfsCounter, 789 mSDsluCounter, 1679 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 1981 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 13:37:09,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [794 Valid, 1981 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 13:37:09,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2025-02-08 13:37:09,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 801. [2025-02-08 13:37:09,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 782 states have (on average 1.407928388746803) internal successors, (1101), 787 states have internal predecessors, (1101), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 13:37:09,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1125 transitions. [2025-02-08 13:37:09,886 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1125 transitions. Word has length 99 [2025-02-08 13:37:09,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:37:09,887 INFO L471 AbstractCegarLoop]: Abstraction has 801 states and 1125 transitions. [2025-02-08 13:37:09,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.833333333333334) internal successors, (190), 13 states have internal predecessors, (190), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:37:09,887 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1125 transitions. [2025-02-08 13:37:09,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-02-08 13:37:09,889 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:37:09,889 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2025-02-08 13:37:09,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 13:37:10,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:37:10,090 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:37:10,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:37:10,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1974566272, now seen corresponding path program 1 times [2025-02-08 13:37:10,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:37:10,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518188937] [2025-02-08 13:37:10,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:10,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:37:10,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-08 13:37:10,216 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-08 13:37:10,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:10,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:10,541 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:10,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:37:10,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518188937] [2025-02-08 13:37:10,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518188937] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:37:10,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197170994] [2025-02-08 13:37:10,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:10,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:37:10,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:37:10,545 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) [2025-02-08 13:37:10,547 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 [2025-02-08 13:37:10,784 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-08 13:37:10,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-08 13:37:10,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:10,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:10,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 13:37:10,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:37:11,153 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:11,154 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:37:11,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197170994] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:37:11,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:37:11,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-02-08 13:37:11,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679595107] [2025-02-08 13:37:11,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:37:11,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 13:37:11,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:37:11,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 13:37:11,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 13:37:11,157 INFO L87 Difference]: Start difference. First operand 801 states and 1125 transitions. Second operand has 6 states, 5 states have (on average 32.8) internal successors, (164), 6 states have internal predecessors, (164), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:37:11,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:37:11,335 INFO L93 Difference]: Finished difference Result 801 states and 1125 transitions. [2025-02-08 13:37:11,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 13:37:11,335 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 32.8) internal successors, (164), 6 states have internal predecessors, (164), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 171 [2025-02-08 13:37:11,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:37:11,340 INFO L225 Difference]: With dead ends: 801 [2025-02-08 13:37:11,340 INFO L226 Difference]: Without dead ends: 800 [2025-02-08 13:37:11,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 13:37:11,342 INFO L435 NwaCegarLoop]: 468 mSDtfsCounter, 379 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 1672 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:37:11,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 1672 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:37:11,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2025-02-08 13:37:11,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 800. [2025-02-08 13:37:11,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 782 states have (on average 1.4040920716112533) internal successors, (1098), 786 states have internal predecessors, (1098), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 13:37:11,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1122 transitions. [2025-02-08 13:37:11,376 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1122 transitions. Word has length 171 [2025-02-08 13:37:11,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:37:11,377 INFO L471 AbstractCegarLoop]: Abstraction has 800 states and 1122 transitions. [2025-02-08 13:37:11,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 32.8) internal successors, (164), 6 states have internal predecessors, (164), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:37:11,377 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1122 transitions. [2025-02-08 13:37:11,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2025-02-08 13:37:11,380 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:37:11,380 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:37:11,393 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 [2025-02-08 13:37:11,580 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,SelfDestructingSolverStorable9 [2025-02-08 13:37:11,581 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:37:11,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:37:11,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1388141952, now seen corresponding path program 1 times [2025-02-08 13:37:11,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:37:11,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693780566] [2025-02-08 13:37:11,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:11,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:37:11,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-02-08 13:37:11,721 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-02-08 13:37:11,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:11,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:11,983 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2025-02-08 13:37:11,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:37:11,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693780566] [2025-02-08 13:37:11,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693780566] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:37:11,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:37:11,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:37:11,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668237112] [2025-02-08 13:37:11,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:37:11,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:37:11,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:37:11,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:37:11,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:37:11,986 INFO L87 Difference]: Start difference. First operand 800 states and 1122 transitions. Second operand has 4 states, 3 states have (on average 56.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:37:12,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:37:12,063 INFO L93 Difference]: Finished difference Result 800 states and 1122 transitions. [2025-02-08 13:37:12,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:37:12,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 56.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 250 [2025-02-08 13:37:12,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:37:12,069 INFO L225 Difference]: With dead ends: 800 [2025-02-08 13:37:12,069 INFO L226 Difference]: Without dead ends: 799 [2025-02-08 13:37:12,069 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:37:12,070 INFO L435 NwaCegarLoop]: 262 mSDtfsCounter, 194 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:37:12,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 535 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:37:12,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2025-02-08 13:37:12,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 799. [2025-02-08 13:37:12,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 782 states have (on average 1.4015345268542199) internal successors, (1096), 785 states have internal predecessors, (1096), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 13:37:12,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1120 transitions. [2025-02-08 13:37:12,101 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1120 transitions. Word has length 250 [2025-02-08 13:37:12,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:37:12,102 INFO L471 AbstractCegarLoop]: Abstraction has 799 states and 1120 transitions. [2025-02-08 13:37:12,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 56.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:37:12,102 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1120 transitions. [2025-02-08 13:37:12,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2025-02-08 13:37:12,108 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:37:12,108 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:37:12,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-08 13:37:12,108 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:37:12,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:37:12,109 INFO L85 PathProgramCache]: Analyzing trace with hash 2103191188, now seen corresponding path program 1 times [2025-02-08 13:37:12,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:37:12,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433908776] [2025-02-08 13:37:12,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:12,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:37:12,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-02-08 13:37:12,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-02-08 13:37:12,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:12,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:12,846 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:12,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:37:12,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433908776] [2025-02-08 13:37:12,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433908776] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:37:12,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128244882] [2025-02-08 13:37:12,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:12,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:37:12,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:37:12,849 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) [2025-02-08 13:37:12,851 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 [2025-02-08 13:37:13,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-02-08 13:37:13,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-02-08 13:37:13,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:13,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:13,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 13:37:13,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:37:13,671 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:13,671 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:37:14,023 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:14,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128244882] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:37:14,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:37:14,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-02-08 13:37:14,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722073275] [2025-02-08 13:37:14,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:37:14,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 13:37:14,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:37:14,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 13:37:14,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-02-08 13:37:14,030 INFO L87 Difference]: Start difference. First operand 799 states and 1120 transitions. Second operand has 18 states, 18 states have (on average 31.72222222222222) internal successors, (571), 18 states have internal predecessors, (571), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 13:37:14,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:37:14,445 INFO L93 Difference]: Finished difference Result 1392 states and 1956 transitions. [2025-02-08 13:37:14,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 13:37:14,446 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 31.72222222222222) internal successors, (571), 18 states have internal predecessors, (571), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 253 [2025-02-08 13:37:14,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:37:14,454 INFO L225 Difference]: With dead ends: 1392 [2025-02-08 13:37:14,454 INFO L226 Difference]: Without dead ends: 1387 [2025-02-08 13:37:14,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-02-08 13:37:14,456 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 2772 mSDsluCounter, 2221 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2791 SdHoareTripleChecker+Valid, 2522 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 13:37:14,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2791 Valid, 2522 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 13:37:14,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2025-02-08 13:37:14,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1383. [2025-02-08 13:37:14,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1383 states, 1357 states have (on average 1.4038319823139278) internal successors, (1905), 1360 states have internal predecessors, (1905), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 13:37:14,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 1947 transitions. [2025-02-08 13:37:14,498 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 1947 transitions. Word has length 253 [2025-02-08 13:37:14,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:37:14,500 INFO L471 AbstractCegarLoop]: Abstraction has 1383 states and 1947 transitions. [2025-02-08 13:37:14,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 31.72222222222222) internal successors, (571), 18 states have internal predecessors, (571), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 13:37:14,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1947 transitions. [2025-02-08 13:37:14,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2025-02-08 13:37:14,505 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:37:14,505 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:37:14,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 13:37:14,706 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 [2025-02-08 13:37:14,706 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:37:14,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:37:14,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1697316966, now seen corresponding path program 1 times [2025-02-08 13:37:14,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:37:14,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238487657] [2025-02-08 13:37:14,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:14,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:37:14,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 332 statements into 1 equivalence classes. [2025-02-08 13:37:14,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 332 of 332 statements. [2025-02-08 13:37:14,939 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:14,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:17,520 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:17,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:37:17,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238487657] [2025-02-08 13:37:17,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238487657] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:37:17,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687176805] [2025-02-08 13:37:17,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:17,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:37:17,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:37:17,524 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) [2025-02-08 13:37:17,526 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 [2025-02-08 13:37:17,975 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 332 statements into 1 equivalence classes. [2025-02-08 13:37:18,214 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 332 of 332 statements. [2025-02-08 13:37:18,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:18,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:18,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 1715 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-08 13:37:18,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:37:18,745 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:18,746 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:37:19,291 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:19,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687176805] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:37:19,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:37:19,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2025-02-08 13:37:19,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784104730] [2025-02-08 13:37:19,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:37:19,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-02-08 13:37:19,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:37:19,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-02-08 13:37:19,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=498, Unknown=0, NotChecked=0, Total=756 [2025-02-08 13:37:19,296 INFO L87 Difference]: Start difference. First operand 1383 states and 1947 transitions. Second operand has 28 states, 27 states have (on average 24.59259259259259) internal successors, (664), 28 states have internal predecessors, (664), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:37:20,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:37:20,051 INFO L93 Difference]: Finished difference Result 1985 states and 2805 transitions. [2025-02-08 13:37:20,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-02-08 13:37:20,051 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 24.59259259259259) internal successors, (664), 28 states have internal predecessors, (664), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 332 [2025-02-08 13:37:20,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:37:20,060 INFO L225 Difference]: With dead ends: 1985 [2025-02-08 13:37:20,061 INFO L226 Difference]: Without dead ends: 1984 [2025-02-08 13:37:20,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 678 GetRequests, 647 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=338, Invalid=718, Unknown=0, NotChecked=0, Total=1056 [2025-02-08 13:37:20,063 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 3657 mSDsluCounter, 4376 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3680 SdHoareTripleChecker+Valid, 4675 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 13:37:20,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3680 Valid, 4675 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 13:37:20,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1984 states. [2025-02-08 13:37:20,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1984 to 1974. [2025-02-08 13:37:20,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1974 states, 1939 states have (on average 1.4038164002062918) internal successors, (2722), 1942 states have internal predecessors, (2722), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 13:37:20,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 2782 transitions. [2025-02-08 13:37:20,123 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 2782 transitions. Word has length 332 [2025-02-08 13:37:20,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:37:20,124 INFO L471 AbstractCegarLoop]: Abstraction has 1974 states and 2782 transitions. [2025-02-08 13:37:20,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 24.59259259259259) internal successors, (664), 28 states have internal predecessors, (664), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:37:20,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2782 transitions. [2025-02-08 13:37:20,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2025-02-08 13:37:20,130 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:37:20,130 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:37:20,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 13:37:20,331 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,SelfDestructingSolverStorable12 [2025-02-08 13:37:20,331 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:37:20,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:37:20,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1077218716, now seen corresponding path program 1 times [2025-02-08 13:37:20,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:37:20,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339462322] [2025-02-08 13:37:20,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:20,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:37:20,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 333 statements into 1 equivalence classes. [2025-02-08 13:37:20,525 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 333 of 333 statements. [2025-02-08 13:37:20,525 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:20,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:22,507 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:22,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:37:22,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339462322] [2025-02-08 13:37:22,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339462322] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:37:22,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913952359] [2025-02-08 13:37:22,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:22,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:37:22,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:37:22,512 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) [2025-02-08 13:37:22,544 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 [2025-02-08 13:37:22,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 333 statements into 1 equivalence classes. [2025-02-08 13:37:23,194 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 333 of 333 statements. [2025-02-08 13:37:23,194 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:23,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:23,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 1716 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-02-08 13:37:23,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:37:23,685 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:23,686 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:37:24,085 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:24,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913952359] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:37:24,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:37:24,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2025-02-08 13:37:24,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840419013] [2025-02-08 13:37:24,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:37:24,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-02-08 13:37:24,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:37:24,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-02-08 13:37:24,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=498, Unknown=0, NotChecked=0, Total=756 [2025-02-08 13:37:24,088 INFO L87 Difference]: Start difference. First operand 1974 states and 2782 transitions. Second operand has 28 states, 27 states have (on average 24.703703703703702) internal successors, (667), 28 states have internal predecessors, (667), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:37:24,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:37:24,758 INFO L93 Difference]: Finished difference Result 1985 states and 2799 transitions. [2025-02-08 13:37:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-02-08 13:37:24,759 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 24.703703703703702) internal successors, (667), 28 states have internal predecessors, (667), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 333 [2025-02-08 13:37:24,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:37:24,767 INFO L225 Difference]: With dead ends: 1985 [2025-02-08 13:37:24,768 INFO L226 Difference]: Without dead ends: 1984 [2025-02-08 13:37:24,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 680 GetRequests, 649 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=338, Invalid=718, Unknown=0, NotChecked=0, Total=1056 [2025-02-08 13:37:24,769 INFO L435 NwaCegarLoop]: 300 mSDtfsCounter, 3758 mSDsluCounter, 3245 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3781 SdHoareTripleChecker+Valid, 3545 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 13:37:24,770 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3781 Valid, 3545 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 13:37:24,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1984 states. [2025-02-08 13:37:24,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1984 to 1975. [2025-02-08 13:37:24,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1975 states, 1940 states have (on average 1.4010309278350515) internal successors, (2718), 1943 states have internal predecessors, (2718), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 13:37:24,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 2778 transitions. [2025-02-08 13:37:24,825 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 2778 transitions. Word has length 333 [2025-02-08 13:37:24,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:37:24,826 INFO L471 AbstractCegarLoop]: Abstraction has 1975 states and 2778 transitions. [2025-02-08 13:37:24,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 24.703703703703702) internal successors, (667), 28 states have internal predecessors, (667), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 13:37:24,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2778 transitions. [2025-02-08 13:37:24,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2025-02-08 13:37:24,837 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:37:24,838 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:37:24,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 13:37:25,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:37:25,039 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:37:25,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:37:25,040 INFO L85 PathProgramCache]: Analyzing trace with hash 612469104, now seen corresponding path program 2 times [2025-02-08 13:37:25,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:37:25,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408315368] [2025-02-08 13:37:25,040 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 13:37:25,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:37:25,203 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 565 statements into 2 equivalence classes. [2025-02-08 13:37:25,424 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 565 of 565 statements. [2025-02-08 13:37:25,424 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 13:37:25,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:26,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 0 proven. 1633 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:26,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:37:26,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408315368] [2025-02-08 13:37:26,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408315368] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:37:26,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28262396] [2025-02-08 13:37:26,812 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 13:37:26,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:37:26,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:37:26,814 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) [2025-02-08 13:37:26,815 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 [2025-02-08 13:37:27,414 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 565 statements into 2 equivalence classes. [2025-02-08 13:37:27,744 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 565 of 565 statements. [2025-02-08 13:37:27,744 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 13:37:27,745 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:27,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 2814 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 13:37:27,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:37:28,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 0 proven. 1633 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:28,269 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 13:37:28,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 0 proven. 1633 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:37:28,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28262396] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 13:37:28,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 13:37:28,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2025-02-08 13:37:28,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312682899] [2025-02-08 13:37:28,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 13:37:28,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-08 13:37:28,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:37:28,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-08 13:37:28,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2025-02-08 13:37:28,827 INFO L87 Difference]: Start difference. First operand 1975 states and 2778 transitions. Second operand has 23 states, 23 states have (on average 35.130434782608695) internal successors, (808), 23 states have internal predecessors, (808), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 13:37:29,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:37:29,296 INFO L93 Difference]: Finished difference Result 1980 states and 2783 transitions. [2025-02-08 13:37:29,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-02-08 13:37:29,297 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 35.130434782608695) internal successors, (808), 23 states have internal predecessors, (808), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 565 [2025-02-08 13:37:29,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:37:29,305 INFO L225 Difference]: With dead ends: 1980 [2025-02-08 13:37:29,305 INFO L226 Difference]: Without dead ends: 1975 [2025-02-08 13:37:29,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1145 GetRequests, 1113 SyntacticMatches, 11 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2025-02-08 13:37:29,307 INFO L435 NwaCegarLoop]: 379 mSDtfsCounter, 2789 mSDsluCounter, 3852 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2815 SdHoareTripleChecker+Valid, 4231 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 13:37:29,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2815 Valid, 4231 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 13:37:29,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2025-02-08 13:37:29,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1975. [2025-02-08 13:37:29,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1975 states, 1940 states have (on average 1.3994845360824741) internal successors, (2715), 1943 states have internal predecessors, (2715), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 13:37:29,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 2775 transitions. [2025-02-08 13:37:29,357 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 2775 transitions. Word has length 565 [2025-02-08 13:37:29,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:37:29,358 INFO L471 AbstractCegarLoop]: Abstraction has 1975 states and 2775 transitions. [2025-02-08 13:37:29,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 35.130434782608695) internal successors, (808), 23 states have internal predecessors, (808), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 13:37:29,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2775 transitions. [2025-02-08 13:37:29,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 800 [2025-02-08 13:37:29,378 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:37:29,378 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:37:29,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-08 13:37:29,579 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,SelfDestructingSolverStorable14 [2025-02-08 13:37:29,579 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:37:29,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:37:29,580 INFO L85 PathProgramCache]: Analyzing trace with hash -454941963, now seen corresponding path program 3 times [2025-02-08 13:37:29,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:37:29,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524150172] [2025-02-08 13:37:29,580 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 13:37:29,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:37:29,793 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 799 statements into 12 equivalence classes. [2025-02-08 13:37:29,947 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 82 of 799 statements. [2025-02-08 13:37:29,947 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-08 13:37:29,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:30,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3506 backedges. 638 proven. 0 refuted. 0 times theorem prover too weak. 2868 trivial. 0 not checked. [2025-02-08 13:37:30,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:37:30,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524150172] [2025-02-08 13:37:30,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524150172] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:37:30,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:37:30,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 13:37:30,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130970360] [2025-02-08 13:37:30,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:37:30,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 13:37:30,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:37:30,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 13:37:30,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 13:37:30,312 INFO L87 Difference]: Start difference. First operand 1975 states and 2775 transitions. Second operand has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:37:30,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:37:30,923 INFO L93 Difference]: Finished difference Result 4205 states and 5880 transitions. [2025-02-08 13:37:30,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 13:37:30,924 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 799 [2025-02-08 13:37:30,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:37:30,934 INFO L225 Difference]: With dead ends: 4205 [2025-02-08 13:37:30,934 INFO L226 Difference]: Without dead ends: 2315 [2025-02-08 13:37:30,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:37:30,941 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 13 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 13:37:30,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 792 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 13:37:30,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2315 states. [2025-02-08 13:37:30,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2315 to 2275. [2025-02-08 13:37:30,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2275 states, 2240 states have (on average 1.3772321428571428) internal successors, (3085), 2243 states have internal predecessors, (3085), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 13:37:31,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 2275 states and 3145 transitions. [2025-02-08 13:37:31,002 INFO L78 Accepts]: Start accepts. Automaton has 2275 states and 3145 transitions. Word has length 799 [2025-02-08 13:37:31,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:37:31,003 INFO L471 AbstractCegarLoop]: Abstraction has 2275 states and 3145 transitions. [2025-02-08 13:37:31,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:37:31,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2275 states and 3145 transitions. [2025-02-08 13:37:31,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 810 [2025-02-08 13:37:31,012 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:37:31,012 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:37:31,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-08 13:37:31,013 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:37:31,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:37:31,013 INFO L85 PathProgramCache]: Analyzing trace with hash -144947303, now seen corresponding path program 1 times [2025-02-08 13:37:31,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:37:31,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386341946] [2025-02-08 13:37:31,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:31,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:37:31,227 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 809 statements into 1 equivalence classes. [2025-02-08 13:37:31,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 809 of 809 statements. [2025-02-08 13:37:31,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:31,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:32,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 3208 trivial. 0 not checked. [2025-02-08 13:37:32,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:37:32,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386341946] [2025-02-08 13:37:32,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386341946] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:37:32,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:37:32,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 13:37:32,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226369774] [2025-02-08 13:37:32,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:37:32,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 13:37:32,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:37:32,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 13:37:32,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:37:32,525 INFO L87 Difference]: Start difference. First operand 2275 states and 3145 transitions. Second operand has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 states have internal predecessors, (132), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:37:32,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:37:32,978 INFO L93 Difference]: Finished difference Result 4545 states and 6307 transitions. [2025-02-08 13:37:32,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 13:37:32,979 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 states have internal predecessors, (132), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 809 [2025-02-08 13:37:32,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:37:32,985 INFO L225 Difference]: With dead ends: 4545 [2025-02-08 13:37:32,985 INFO L226 Difference]: Without dead ends: 2395 [2025-02-08 13:37:32,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:37:32,989 INFO L435 NwaCegarLoop]: 249 mSDtfsCounter, 14 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 13:37:32,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 952 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 13:37:32,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2395 states. [2025-02-08 13:37:33,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2395 to 2365. [2025-02-08 13:37:33,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2365 states, 2330 states have (on average 1.3798283261802575) internal successors, (3215), 2333 states have internal predecessors, (3215), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 13:37:33,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 2365 states and 3275 transitions. [2025-02-08 13:37:33,043 INFO L78 Accepts]: Start accepts. Automaton has 2365 states and 3275 transitions. Word has length 809 [2025-02-08 13:37:33,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:37:33,044 INFO L471 AbstractCegarLoop]: Abstraction has 2365 states and 3275 transitions. [2025-02-08 13:37:33,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 states have internal predecessors, (132), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:37:33,044 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 3275 transitions. [2025-02-08 13:37:33,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2025-02-08 13:37:33,053 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:37:33,053 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:37:33,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-08 13:37:33,053 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:37:33,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:37:33,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1395219149, now seen corresponding path program 1 times [2025-02-08 13:37:33,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:37:33,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841274243] [2025-02-08 13:37:33,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:33,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:37:33,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 819 statements into 1 equivalence classes. [2025-02-08 13:37:33,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 819 of 819 statements. [2025-02-08 13:37:33,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:33,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:35,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3596 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 3226 trivial. 0 not checked. [2025-02-08 13:37:35,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:37:35,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841274243] [2025-02-08 13:37:35,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841274243] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:37:35,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:37:35,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-08 13:37:35,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68669657] [2025-02-08 13:37:35,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:37:35,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 13:37:35,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:37:35,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 13:37:35,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:37:35,132 INFO L87 Difference]: Start difference. First operand 2365 states and 3275 transitions. Second operand has 9 states, 9 states have (on average 15.11111111111111) internal successors, (136), 9 states have internal predecessors, (136), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:37:35,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:37:35,798 INFO L93 Difference]: Finished difference Result 4741 states and 6580 transitions. [2025-02-08 13:37:35,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 13:37:35,800 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.11111111111111) internal successors, (136), 9 states have internal predecessors, (136), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 819 [2025-02-08 13:37:35,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:37:35,809 INFO L225 Difference]: With dead ends: 4741 [2025-02-08 13:37:35,810 INFO L226 Difference]: Without dead ends: 2505 [2025-02-08 13:37:35,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-02-08 13:37:35,814 INFO L435 NwaCegarLoop]: 257 mSDtfsCounter, 31 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 13:37:35,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 1362 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1051 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 13:37:35,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2025-02-08 13:37:35,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 2445. [2025-02-08 13:37:35,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2445 states, 2410 states have (on average 1.3755186721991701) internal successors, (3315), 2413 states have internal predecessors, (3315), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 13:37:35,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 2445 states and 3375 transitions. [2025-02-08 13:37:35,878 INFO L78 Accepts]: Start accepts. Automaton has 2445 states and 3375 transitions. Word has length 819 [2025-02-08 13:37:35,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:37:35,878 INFO L471 AbstractCegarLoop]: Abstraction has 2445 states and 3375 transitions. [2025-02-08 13:37:35,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.11111111111111) internal successors, (136), 9 states have internal predecessors, (136), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:37:35,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 3375 transitions. [2025-02-08 13:37:35,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2025-02-08 13:37:35,893 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:37:35,893 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:37:35,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-08 13:37:35,894 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:37:35,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:37:35,895 INFO L85 PathProgramCache]: Analyzing trace with hash -486050771, now seen corresponding path program 1 times [2025-02-08 13:37:35,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:37:35,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510804060] [2025-02-08 13:37:35,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:35,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:37:36,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 819 statements into 1 equivalence classes. [2025-02-08 13:37:36,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 819 of 819 statements. [2025-02-08 13:37:36,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:37:36,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:37:37,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3596 backedges. 334 proven. 0 refuted. 0 times theorem prover too weak. 3262 trivial. 0 not checked. [2025-02-08 13:37:37,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:37:37,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510804060] [2025-02-08 13:37:37,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510804060] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:37:37,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:37:37,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 13:37:37,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661042738] [2025-02-08 13:37:37,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:37:37,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 13:37:37,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:37:37,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 13:37:37,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 13:37:37,310 INFO L87 Difference]: Start difference. First operand 2445 states and 3375 transitions. Second operand has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:37:37,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:37:37,790 INFO L93 Difference]: Finished difference Result 4785 states and 6615 transitions. [2025-02-08 13:37:37,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 13:37:37,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 819 [2025-02-08 13:37:37,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:37:37,797 INFO L225 Difference]: With dead ends: 4785 [2025-02-08 13:37:37,797 INFO L226 Difference]: Without dead ends: 2475 [2025-02-08 13:37:37,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 13:37:37,801 INFO L435 NwaCegarLoop]: 258 mSDtfsCounter, 8 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 13:37:37,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 818 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 13:37:37,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2475 states. [2025-02-08 13:37:37,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2475 to 2475. [2025-02-08 13:37:37,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2475 states, 2440 states have (on average 1.3709016393442623) internal successors, (3345), 2443 states have internal predecessors, (3345), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 13:37:37,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 3405 transitions. [2025-02-08 13:37:37,853 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 3405 transitions. Word has length 819 [2025-02-08 13:37:37,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:37:37,854 INFO L471 AbstractCegarLoop]: Abstraction has 2475 states and 3405 transitions. [2025-02-08 13:37:37,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:37:37,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 3405 transitions. [2025-02-08 13:37:37,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 830 [2025-02-08 13:37:37,864 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:37:37,864 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:37:37,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-02-08 13:37:37,865 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:37:37,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:37:37,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1494021043, now seen corresponding path program 1 times [2025-02-08 13:37:37,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:37:37,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910536038] [2025-02-08 13:37:37,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:37:37,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:37:38,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 829 statements into 1 equivalence classes.