./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.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 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 18:14:15,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 18:14:15,922 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 18:14:15,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 18:14:15,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 18:14:15,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 18:14:15,947 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 18:14:15,947 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 18:14:15,947 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 18:14:15,948 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 18:14:15,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 18:14:15,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 18:14:15,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 18:14:15,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 18:14:15,950 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 18:14:15,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 18:14:15,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 18:14:15,950 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 18:14:15,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 18:14:15,950 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 18:14:15,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 18:14:15,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 18:14:15,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 18:14:15,951 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 18:14:15,951 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 18:14:15,951 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 18:14:15,951 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 18:14:15,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 18:14:15,951 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 18:14:15,951 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 18:14:15,951 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 18:14:15,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 18:14:15,951 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 18:14:15,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 18:14:15,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 18:14:15,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 18:14:15,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 18:14:15,952 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 18:14:15,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 18:14:15,952 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 18:14:15,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 18:14:15,952 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 18:14:15,952 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 18:14:15,952 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 18:14:15,952 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 18:14:15,952 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 -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2025-02-06 18:14:16,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 18:14:16,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 18:14:16,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 18:14:16,279 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 18:14:16,279 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 18:14:16,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.i [2025-02-06 18:14:17,595 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/367a5109c/b7e722a923394dda9ed41e3209a7d4d4/FLAGf989aa582 [2025-02-06 18:14:17,927 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 18:14:17,927 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.i [2025-02-06 18:14:17,946 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/367a5109c/b7e722a923394dda9ed41e3209a7d4d4/FLAGf989aa582 [2025-02-06 18:14:18,157 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/367a5109c/b7e722a923394dda9ed41e3209a7d4d4 [2025-02-06 18:14:18,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 18:14:18,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 18:14:18,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 18:14:18,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 18:14:18,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 18:14:18,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:14:18" (1/1) ... [2025-02-06 18:14:18,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eee25a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:14:18, skipping insertion in model container [2025-02-06 18:14:18,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:14:18" (1/1) ... [2025-02-06 18:14:18,216 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 18:14:18,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:14:18,584 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 18:14:18,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:14:18,707 INFO L204 MainTranslator]: Completed translation [2025-02-06 18:14:18,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:14:18 WrapperNode [2025-02-06 18:14:18,708 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 18:14:18,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 18:14:18,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 18:14:18,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 18:14:18,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:14:18" (1/1) ... [2025-02-06 18:14:18,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:14:18" (1/1) ... [2025-02-06 18:14:18,773 INFO L138 Inliner]: procedures = 176, calls = 221, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 938 [2025-02-06 18:14:18,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 18:14:18,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 18:14:18,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 18:14:18,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 18:14:18,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:14:18" (1/1) ... [2025-02-06 18:14:18,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:14:18" (1/1) ... [2025-02-06 18:14:18,798 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:14:18" (1/1) ... [2025-02-06 18:14:18,858 INFO L175 MemorySlicer]: Split 206 memory accesses to 2 slices as follows [2, 204]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 50 writes are split as follows [0, 50]. [2025-02-06 18:14:18,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:14:18" (1/1) ... [2025-02-06 18:14:18,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:14:18" (1/1) ... [2025-02-06 18:14:18,907 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:14:18" (1/1) ... [2025-02-06 18:14:18,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:14:18" (1/1) ... [2025-02-06 18:14:18,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:14:18" (1/1) ... [2025-02-06 18:14:18,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:14:18" (1/1) ... [2025-02-06 18:14:18,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 18:14:18,935 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 18:14:18,935 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 18:14:18,935 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 18:14:18,936 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:14:18" (1/1) ... [2025-02-06 18:14:18,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 18:14:18,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:14:18,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 18:14:18,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 18:14:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 18:14:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 18:14:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 18:14:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 18:14:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 18:14:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 18:14:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 18:14:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 18:14:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 18:14:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 18:14:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 18:14:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 18:14:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 18:14:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 18:14:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 18:14:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 18:14:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 18:14:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 18:14:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 18:14:19,178 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 18:14:19,179 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 18:14:21,078 INFO L? ?]: Removed 229 outVars from TransFormulas that were not future-live. [2025-02-06 18:14:21,078 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 18:14:21,156 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 18:14:21,157 INFO L337 CfgBuilder]: Removed 1 assume(true) statements. [2025-02-06 18:14:21,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:14:21 BoogieIcfgContainer [2025-02-06 18:14:21,157 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 18:14:21,160 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 18:14:21,160 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 18:14:21,164 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 18:14:21,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 06:14:18" (1/3) ... [2025-02-06 18:14:21,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cfd1eb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:14:21, skipping insertion in model container [2025-02-06 18:14:21,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:14:18" (2/3) ... [2025-02-06 18:14:21,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cfd1eb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:14:21, skipping insertion in model container [2025-02-06 18:14:21,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:14:21" (3/3) ... [2025-02-06 18:14:21,167 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_JEN_nondet_test1-2.i [2025-02-06 18:14:21,182 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 18:14:21,184 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_JEN_nondet_test1-2.i that has 3 procedures, 255 locations, 1 initial locations, 25 loop locations, and 6 error locations. [2025-02-06 18:14:21,246 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 18:14:21,256 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;@4b889424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 18:14:21,256 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-02-06 18:14:21,262 INFO L276 IsEmpty]: Start isEmpty. Operand has 251 states, 240 states have (on average 1.6125) internal successors, (387), 246 states have internal predecessors, (387), 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) [2025-02-06 18:14:21,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-06 18:14:21,267 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:14:21,268 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-06 18:14:21,269 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)] === [2025-02-06 18:14:21,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:14:21,273 INFO L85 PathProgramCache]: Analyzing trace with hash 427160204, now seen corresponding path program 1 times [2025-02-06 18:14:21,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:14:21,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508308986] [2025-02-06 18:14:21,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:21,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:14:21,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 18:14:21,378 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 18:14:21,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:21,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:21,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:14:21,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:14:21,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508308986] [2025-02-06 18:14:21,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508308986] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:14:21,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:14:21,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:14:21,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393526553] [2025-02-06 18:14:21,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:14:21,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:14:21,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:14:21,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:14:21,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:14:21,490 INFO L87 Difference]: Start difference. First operand has 251 states, 240 states have (on average 1.6125) internal successors, (387), 246 states have internal predecessors, (387), 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 1.6666666666666667) 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) [2025-02-06 18:14:21,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:14:21,698 INFO L93 Difference]: Finished difference Result 695 states and 1098 transitions. [2025-02-06 18:14:21,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:14:21,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 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 [2025-02-06 18:14:21,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:14:21,714 INFO L225 Difference]: With dead ends: 695 [2025-02-06 18:14:21,715 INFO L226 Difference]: Without dead ends: 407 [2025-02-06 18:14:21,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:14:21,724 INFO L435 NwaCegarLoop]: 325 mSDtfsCounter, 276 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:14:21,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 646 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:14:21,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2025-02-06 18:14:21,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 212. [2025-02-06 18:14:21,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 202 states have (on average 1.4554455445544554) internal successors, (294), 207 states have internal predecessors, (294), 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) [2025-02-06 18:14:21,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 300 transitions. [2025-02-06 18:14:21,785 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 300 transitions. Word has length 5 [2025-02-06 18:14:21,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:14:21,785 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 300 transitions. [2025-02-06 18:14:21,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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) [2025-02-06 18:14:21,786 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 300 transitions. [2025-02-06 18:14:21,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-06 18:14:21,786 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:14:21,786 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 18:14:21,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 18:14:21,788 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)] === [2025-02-06 18:14:21,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:14:21,788 INFO L85 PathProgramCache]: Analyzing trace with hash 367500254, now seen corresponding path program 1 times [2025-02-06 18:14:21,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:14:21,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045238085] [2025-02-06 18:14:21,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:21,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:14:21,801 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 18:14:21,817 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 18:14:21,817 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:21,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:22,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:14:22,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:14:22,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045238085] [2025-02-06 18:14:22,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045238085] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:14:22,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:14:22,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:14:22,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161011731] [2025-02-06 18:14:22,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:14:22,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:14:22,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:14:22,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:14:22,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:14:22,053 INFO L87 Difference]: Start difference. First operand 212 states and 300 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:14:22,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:14:22,164 INFO L93 Difference]: Finished difference Result 217 states and 306 transitions. [2025-02-06 18:14:22,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:14:22,165 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-06 18:14:22,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:14:22,166 INFO L225 Difference]: With dead ends: 217 [2025-02-06 18:14:22,166 INFO L226 Difference]: Without dead ends: 216 [2025-02-06 18:14:22,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:14:22,167 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 1 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 809 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 [2025-02-06 18:14:22,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 809 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:14:22,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2025-02-06 18:14:22,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 215. [2025-02-06 18:14:22,180 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) [2025-02-06 18:14:22,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 303 transitions. [2025-02-06 18:14:22,181 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 303 transitions. Word has length 6 [2025-02-06 18:14:22,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:14:22,183 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 303 transitions. [2025-02-06 18:14:22,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:14:22,183 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 303 transitions. [2025-02-06 18:14:22,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-06 18:14:22,183 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:14:22,184 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:14:22,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 18:14:22,184 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)] === [2025-02-06 18:14:22,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:14:22,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1492393635, now seen corresponding path program 1 times [2025-02-06 18:14:22,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:14:22,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123640877] [2025-02-06 18:14:22,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:22,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:14:22,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 18:14:22,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 18:14:22,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:22,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:22,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:14:22,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:14:22,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123640877] [2025-02-06 18:14:22,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123640877] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:14:22,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:14:22,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:14:22,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254284528] [2025-02-06 18:14:22,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:14:22,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:14:22,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:14:22,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:14:22,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:14:22,312 INFO L87 Difference]: Start difference. First operand 215 states and 303 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:14:22,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:14:22,390 INFO L93 Difference]: Finished difference Result 217 states and 305 transitions. [2025-02-06 18:14:22,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:14:22,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-06 18:14:22,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:14:22,392 INFO L225 Difference]: With dead ends: 217 [2025-02-06 18:14:22,392 INFO L226 Difference]: Without dead ends: 216 [2025-02-06 18:14:22,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:14:22,393 INFO L435 NwaCegarLoop]: 275 mSDtfsCounter, 0 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:14:22,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 545 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:14:22,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2025-02-06 18:14:22,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2025-02-06 18:14:22,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 206 states have (on average 1.4466019417475728) internal successors, (298), 211 states have internal predecessors, (298), 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) [2025-02-06 18:14:22,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 304 transitions. [2025-02-06 18:14:22,412 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 304 transitions. Word has length 7 [2025-02-06 18:14:22,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:14:22,412 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 304 transitions. [2025-02-06 18:14:22,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:14:22,412 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 304 transitions. [2025-02-06 18:14:22,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-02-06 18:14:22,414 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:14:22,415 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, 1] [2025-02-06 18:14:22,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 18:14:22,415 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)] === [2025-02-06 18:14:22,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:14:22,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1798625069, now seen corresponding path program 1 times [2025-02-06 18:14:22,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:14:22,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879777593] [2025-02-06 18:14:22,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:22,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:14:22,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-06 18:14:22,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-06 18:14:22,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:22,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:22,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:14:22,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:14:22,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879777593] [2025-02-06 18:14:22,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879777593] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:14:22,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:14:22,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 18:14:22,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798373897] [2025-02-06 18:14:22,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:14:22,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:14:22,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:14:22,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:14:22,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:14:22,756 INFO L87 Difference]: Start difference. First operand 216 states and 304 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:14:22,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:14:22,930 INFO L93 Difference]: Finished difference Result 428 states and 604 transitions. [2025-02-06 18:14:22,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:14:22,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2025-02-06 18:14:22,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:14:22,932 INFO L225 Difference]: With dead ends: 428 [2025-02-06 18:14:22,933 INFO L226 Difference]: Without dead ends: 219 [2025-02-06 18:14:22,933 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 [2025-02-06 18:14:22,934 INFO L435 NwaCegarLoop]: 250 mSDtfsCounter, 105 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:14:22,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 666 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:14:22,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2025-02-06 18:14:22,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 216. [2025-02-06 18:14:22,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 206 states have (on average 1.412621359223301) internal successors, (291), 211 states have internal predecessors, (291), 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) [2025-02-06 18:14:22,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 297 transitions. [2025-02-06 18:14:22,951 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 297 transitions. Word has length 79 [2025-02-06 18:14:22,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:14:22,952 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 297 transitions. [2025-02-06 18:14:22,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:14:22,952 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 297 transitions. [2025-02-06 18:14:22,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-02-06 18:14:22,954 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:14:22,954 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, 1] [2025-02-06 18:14:22,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 18:14:22,954 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)] === [2025-02-06 18:14:22,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:14:22,955 INFO L85 PathProgramCache]: Analyzing trace with hash 412681350, now seen corresponding path program 1 times [2025-02-06 18:14:22,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:14:22,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989775813] [2025-02-06 18:14:22,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:22,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:14:23,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-06 18:14:23,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-06 18:14:23,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:23,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:23,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:14:23,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:14:23,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989775813] [2025-02-06 18:14:23,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989775813] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:14:23,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:14:23,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:14:23,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234971035] [2025-02-06 18:14:23,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:14:23,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:14:23,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:14:23,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:14:23,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:14:23,188 INFO L87 Difference]: Start difference. First operand 216 states and 297 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:14:23,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:14:23,318 INFO L93 Difference]: Finished difference Result 551 states and 773 transitions. [2025-02-06 18:14:23,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:14:23,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2025-02-06 18:14:23,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:14:23,321 INFO L225 Difference]: With dead ends: 551 [2025-02-06 18:14:23,322 INFO L226 Difference]: Without dead ends: 342 [2025-02-06 18:14:23,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:14:23,324 INFO L435 NwaCegarLoop]: 269 mSDtfsCounter, 134 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 530 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 [2025-02-06 18:14:23,326 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 530 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:14:23,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2025-02-06 18:14:23,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2025-02-06 18:14:23,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 332 states have (on average 1.4337349397590362) internal successors, (476), 337 states have internal predecessors, (476), 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) [2025-02-06 18:14:23,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 482 transitions. [2025-02-06 18:14:23,343 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 482 transitions. Word has length 79 [2025-02-06 18:14:23,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:14:23,343 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 482 transitions. [2025-02-06 18:14:23,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:14:23,344 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 482 transitions. [2025-02-06 18:14:23,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-02-06 18:14:23,349 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:14:23,349 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] [2025-02-06 18:14:23,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 18:14:23,349 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)] === [2025-02-06 18:14:23,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:14:23,349 INFO L85 PathProgramCache]: Analyzing trace with hash -2128626494, now seen corresponding path program 1 times [2025-02-06 18:14:23,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:14:23,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950232227] [2025-02-06 18:14:23,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:23,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:14:23,418 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-06 18:14:23,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-06 18:14:23,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:23,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:23,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:23,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:14:23,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950232227] [2025-02-06 18:14:23,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950232227] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:14:23,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:14:23,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:14:23,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434516329] [2025-02-06 18:14:23,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:14:23,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:14:23,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:14:23,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:14:23,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:14:23,638 INFO L87 Difference]: Start difference. First operand 342 states and 482 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 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) [2025-02-06 18:14:23,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:14:23,802 INFO L93 Difference]: Finished difference Result 407 states and 567 transitions. [2025-02-06 18:14:23,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:14:23,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 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 94 [2025-02-06 18:14:23,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:14:23,807 INFO L225 Difference]: With dead ends: 407 [2025-02-06 18:14:23,809 INFO L226 Difference]: Without dead ends: 405 [2025-02-06 18:14:23,810 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 [2025-02-06 18:14:23,811 INFO L435 NwaCegarLoop]: 304 mSDtfsCounter, 185 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 868 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 [2025-02-06 18:14:23,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 868 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:14:23,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2025-02-06 18:14:23,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2025-02-06 18:14:23,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 392 states have (on average 1.4107142857142858) internal successors, (553), 397 states have internal predecessors, (553), 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) [2025-02-06 18:14:23,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 565 transitions. [2025-02-06 18:14:23,835 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 565 transitions. Word has length 94 [2025-02-06 18:14:23,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:14:23,835 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 565 transitions. [2025-02-06 18:14:23,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 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) [2025-02-06 18:14:23,835 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 565 transitions. [2025-02-06 18:14:23,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-06 18:14:23,837 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:14:23,837 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, 1] [2025-02-06 18:14:23,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 18:14:23,837 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)] === [2025-02-06 18:14:23,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:14:23,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1034294207, now seen corresponding path program 1 times [2025-02-06 18:14:23,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:14:23,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847597315] [2025-02-06 18:14:23,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:23,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:14:23,890 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-06 18:14:23,923 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-06 18:14:23,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:23,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:24,191 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:24,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:14:24,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847597315] [2025-02-06 18:14:24,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847597315] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:14:24,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770757039] [2025-02-06 18:14:24,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:24,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:14:24,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:14:24,197 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:14:24,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 18:14:24,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-06 18:14:24,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-06 18:14:24,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:24,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:24,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 18:14:24,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:14:24,722 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:24,722 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:14:24,941 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:24,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770757039] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:14:24,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:14:24,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-06 18:14:24,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599301352] [2025-02-06 18:14:24,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:14:24,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 18:14:24,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:14:24,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 18:14:24,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-06 18:14:24,947 INFO L87 Difference]: Start difference. First operand 405 states and 565 transitions. Second operand has 10 states, 10 states have (on average 26.0) internal successors, (260), 10 states have internal predecessors, (260), 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) [2025-02-06 18:14:25,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:14:25,201 INFO L93 Difference]: Finished difference Result 610 states and 853 transitions. [2025-02-06 18:14:25,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 18:14:25,202 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 26.0) internal successors, (260), 10 states have internal predecessors, (260), 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 98 [2025-02-06 18:14:25,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:14:25,206 INFO L225 Difference]: With dead ends: 610 [2025-02-06 18:14:25,206 INFO L226 Difference]: Without dead ends: 604 [2025-02-06 18:14:25,208 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-06 18:14:25,209 INFO L435 NwaCegarLoop]: 264 mSDtfsCounter, 1243 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:14:25,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1250 Valid, 1608 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:14:25,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2025-02-06 18:14:25,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 602. [2025-02-06 18:14:25,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 586 states have (on average 1.4112627986348123) internal successors, (827), 591 states have internal predecessors, (827), 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) [2025-02-06 18:14:25,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 845 transitions. [2025-02-06 18:14:25,248 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 845 transitions. Word has length 98 [2025-02-06 18:14:25,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:14:25,251 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 845 transitions. [2025-02-06 18:14:25,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 26.0) internal successors, (260), 10 states have internal predecessors, (260), 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) [2025-02-06 18:14:25,251 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 845 transitions. [2025-02-06 18:14:25,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-06 18:14:25,253 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:14:25,253 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, 1] [2025-02-06 18:14:25,265 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 [2025-02-06 18:14:25,454 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 [2025-02-06 18:14:25,455 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)] === [2025-02-06 18:14:25,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:14:25,455 INFO L85 PathProgramCache]: Analyzing trace with hash 2008785163, now seen corresponding path program 1 times [2025-02-06 18:14:25,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:14:25,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216664840] [2025-02-06 18:14:25,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:25,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:14:25,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-06 18:14:25,566 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-06 18:14:25,566 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:25,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:26,090 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:26,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:14:26,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216664840] [2025-02-06 18:14:26,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216664840] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:14:26,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765470665] [2025-02-06 18:14:26,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:26,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:14:26,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:14:26,097 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:14:26,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 18:14:26,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-06 18:14:26,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-06 18:14:26,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:26,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:26,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 18:14:26,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:14:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:26,634 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:14:26,821 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:26,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765470665] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:14:26,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:14:26,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-06 18:14:26,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23313623] [2025-02-06 18:14:26,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:14:26,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 18:14:26,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:14:26,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 18:14:26,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2025-02-06 18:14:26,823 INFO L87 Difference]: Start difference. First operand 602 states and 845 transitions. Second operand has 13 states, 12 states have (on average 15.666666666666666) internal successors, (188), 13 states have internal predecessors, (188), 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) [2025-02-06 18:14:27,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:14:27,155 INFO L93 Difference]: Finished difference Result 809 states and 1137 transitions. [2025-02-06 18:14:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 18:14:27,155 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.666666666666666) internal successors, (188), 13 states have internal predecessors, (188), 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 [2025-02-06 18:14:27,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:14:27,159 INFO L225 Difference]: With dead ends: 809 [2025-02-06 18:14:27,159 INFO L226 Difference]: Without dead ends: 808 [2025-02-06 18:14:27,160 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 [2025-02-06 18:14:27,160 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 1206 mSDsluCounter, 2044 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 2307 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 18:14:27,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1211 Valid, 2307 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 18:14:27,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2025-02-06 18:14:27,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 801. [2025-02-06 18:14:27,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 782 states have (on average 1.4104859335038362) internal successors, (1103), 787 states have internal predecessors, (1103), 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) [2025-02-06 18:14:27,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1127 transitions. [2025-02-06 18:14:27,198 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1127 transitions. Word has length 99 [2025-02-06 18:14:27,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:14:27,198 INFO L471 AbstractCegarLoop]: Abstraction has 801 states and 1127 transitions. [2025-02-06 18:14:27,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.666666666666666) internal successors, (188), 13 states have internal predecessors, (188), 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) [2025-02-06 18:14:27,199 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1127 transitions. [2025-02-06 18:14:27,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-02-06 18:14:27,200 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:14:27,200 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, 1] [2025-02-06 18:14:27,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 18:14:27,400 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 [2025-02-06 18:14:27,401 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)] === [2025-02-06 18:14:27,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:14:27,401 INFO L85 PathProgramCache]: Analyzing trace with hash 2142798288, now seen corresponding path program 1 times [2025-02-06 18:14:27,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:14:27,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382034268] [2025-02-06 18:14:27,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:27,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:14:27,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-06 18:14:27,495 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-06 18:14:27,495 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:27,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:27,958 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:27,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:14:27,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382034268] [2025-02-06 18:14:27,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382034268] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:14:27,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772692199] [2025-02-06 18:14:27,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:27,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:14:27,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:14:27,961 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:14:27,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 18:14:28,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-06 18:14:28,239 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-06 18:14:28,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:28,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:28,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 18:14:28,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:14:28,444 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:28,445 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:14:28,612 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:28,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772692199] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:14:28,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:14:28,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-06 18:14:28,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836866544] [2025-02-06 18:14:28,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:14:28,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 18:14:28,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:14:28,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 18:14:28,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2025-02-06 18:14:28,614 INFO L87 Difference]: Start difference. First operand 801 states and 1127 transitions. Second operand has 13 states, 12 states have (on average 15.916666666666666) internal successors, (191), 13 states have internal predecessors, (191), 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) [2025-02-06 18:14:28,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:14:28,862 INFO L93 Difference]: Finished difference Result 809 states and 1134 transitions. [2025-02-06 18:14:28,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 18:14:28,863 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.916666666666666) internal successors, (191), 13 states have internal predecessors, (191), 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 100 [2025-02-06 18:14:28,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:14:28,866 INFO L225 Difference]: With dead ends: 809 [2025-02-06 18:14:28,866 INFO L226 Difference]: Without dead ends: 808 [2025-02-06 18:14:28,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2025-02-06 18:14:28,867 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 938 mSDsluCounter, 1392 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 943 SdHoareTripleChecker+Valid, 1695 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:14:28,868 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [943 Valid, 1695 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:14:28,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2025-02-06 18:14:28,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 802. [2025-02-06 18:14:28,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 783 states have (on average 1.4074074074074074) internal successors, (1102), 788 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) [2025-02-06 18:14:28,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1126 transitions. [2025-02-06 18:14:28,894 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1126 transitions. Word has length 100 [2025-02-06 18:14:28,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:14:28,894 INFO L471 AbstractCegarLoop]: Abstraction has 802 states and 1126 transitions. [2025-02-06 18:14:28,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.916666666666666) internal successors, (191), 13 states have internal predecessors, (191), 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) [2025-02-06 18:14:28,895 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1126 transitions. [2025-02-06 18:14:28,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-02-06 18:14:28,897 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:14:28,897 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, 1] [2025-02-06 18:14:28,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 18:14:29,098 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 [2025-02-06 18:14:29,099 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)] === [2025-02-06 18:14:29,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:14:29,099 INFO L85 PathProgramCache]: Analyzing trace with hash -103943, now seen corresponding path program 1 times [2025-02-06 18:14:29,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:14:29,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804265465] [2025-02-06 18:14:29,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:29,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:14:29,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-06 18:14:29,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-06 18:14:29,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:29,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:29,485 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:29,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:14:29,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804265465] [2025-02-06 18:14:29,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804265465] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:14:29,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031750456] [2025-02-06 18:14:29,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:29,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:14:29,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:14:29,489 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:14:29,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 18:14:29,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-06 18:14:29,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-06 18:14:29,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:29,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:29,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 18:14:29,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:14:30,107 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:30,107 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:14:30,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031750456] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:14:30,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:14:30,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-02-06 18:14:30,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323513488] [2025-02-06 18:14:30,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:14:30,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 18:14:30,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:14:30,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 18:14:30,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 18:14:30,110 INFO L87 Difference]: Start difference. First operand 802 states and 1126 transitions. Second operand has 6 states, 5 states have (on average 33.0) internal successors, (165), 6 states have internal predecessors, (165), 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) [2025-02-06 18:14:30,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:14:30,262 INFO L93 Difference]: Finished difference Result 802 states and 1126 transitions. [2025-02-06 18:14:30,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 18:14:30,262 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 33.0) internal successors, (165), 6 states have internal predecessors, (165), 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 172 [2025-02-06 18:14:30,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:14:30,266 INFO L225 Difference]: With dead ends: 802 [2025-02-06 18:14:30,266 INFO L226 Difference]: Without dead ends: 801 [2025-02-06 18:14:30,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 18:14:30,268 INFO L435 NwaCegarLoop]: 469 mSDtfsCounter, 379 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 1209 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:14:30,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 1209 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:14:30,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2025-02-06 18:14:30,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 801. [2025-02-06 18:14:30,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 783 states have (on average 1.4035759897828863) internal successors, (1099), 787 states have internal predecessors, (1099), 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) [2025-02-06 18:14:30,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1123 transitions. [2025-02-06 18:14:30,297 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1123 transitions. Word has length 172 [2025-02-06 18:14:30,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:14:30,297 INFO L471 AbstractCegarLoop]: Abstraction has 801 states and 1123 transitions. [2025-02-06 18:14:30,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.0) internal successors, (165), 6 states have internal predecessors, (165), 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) [2025-02-06 18:14:30,297 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1123 transitions. [2025-02-06 18:14:30,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2025-02-06 18:14:30,301 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:14:30,301 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, 1] [2025-02-06 18:14:30,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 18:14:30,501 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 [2025-02-06 18:14:30,502 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)] === [2025-02-06 18:14:30,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:14:30,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1146317632, now seen corresponding path program 1 times [2025-02-06 18:14:30,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:14:30,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186287002] [2025-02-06 18:14:30,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:30,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:14:30,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 251 statements into 1 equivalence classes. [2025-02-06 18:14:30,670 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 251 of 251 statements. [2025-02-06 18:14:30,671 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:30,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:30,910 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2025-02-06 18:14:30,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:14:30,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186287002] [2025-02-06 18:14:30,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186287002] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:14:30,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:14:30,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:14:30,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104825626] [2025-02-06 18:14:30,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:14:30,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:14:30,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:14:30,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:14:30,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:14:30,912 INFO L87 Difference]: Start difference. First operand 801 states and 1123 transitions. Second operand has 4 states, 3 states have (on average 56.333333333333336) internal successors, (169), 4 states have internal predecessors, (169), 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) [2025-02-06 18:14:30,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:14:30,979 INFO L93 Difference]: Finished difference Result 801 states and 1123 transitions. [2025-02-06 18:14:30,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:14:30,980 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 56.333333333333336) internal successors, (169), 4 states have internal predecessors, (169), 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 251 [2025-02-06 18:14:30,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:14:30,984 INFO L225 Difference]: With dead ends: 801 [2025-02-06 18:14:30,984 INFO L226 Difference]: Without dead ends: 800 [2025-02-06 18:14:30,984 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 [2025-02-06 18:14:30,985 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 194 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 538 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 [2025-02-06 18:14:30,985 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 538 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:14:30,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2025-02-06 18:14:31,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 800. [2025-02-06 18:14:31,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 783 states have (on average 1.4010217113665389) internal successors, (1097), 786 states have internal predecessors, (1097), 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) [2025-02-06 18:14:31,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1121 transitions. [2025-02-06 18:14:31,009 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1121 transitions. Word has length 251 [2025-02-06 18:14:31,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:14:31,010 INFO L471 AbstractCegarLoop]: Abstraction has 800 states and 1121 transitions. [2025-02-06 18:14:31,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 56.333333333333336) internal successors, (169), 4 states have internal predecessors, (169), 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) [2025-02-06 18:14:31,010 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1121 transitions. [2025-02-06 18:14:31,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2025-02-06 18:14:31,013 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:14:31,013 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, 1] [2025-02-06 18:14:31,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 18:14:31,014 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)] === [2025-02-06 18:14:31,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:14:31,014 INFO L85 PathProgramCache]: Analyzing trace with hash 663651053, now seen corresponding path program 1 times [2025-02-06 18:14:31,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:14:31,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417362206] [2025-02-06 18:14:31,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:31,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:14:31,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 254 statements into 1 equivalence classes. [2025-02-06 18:14:31,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 254 of 254 statements. [2025-02-06 18:14:31,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:31,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:31,733 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:31,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:14:31,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417362206] [2025-02-06 18:14:31,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417362206] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:14:31,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648661285] [2025-02-06 18:14:31,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:31,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:14:31,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:14:31,736 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:14:31,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 18:14:32,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 254 statements into 1 equivalence classes. [2025-02-06 18:14:32,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 254 of 254 statements. [2025-02-06 18:14:32,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:32,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:32,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 18:14:32,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:14:32,543 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:32,543 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:14:32,914 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:32,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648661285] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:14:32,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:14:32,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-02-06 18:14:32,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674477576] [2025-02-06 18:14:32,915 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:14:32,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-06 18:14:32,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:14:32,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-06 18:14:32,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-02-06 18:14:32,920 INFO L87 Difference]: Start difference. First operand 800 states and 1121 transitions. Second operand has 18 states, 18 states have (on average 31.77777777777778) internal successors, (572), 18 states have internal predecessors, (572), 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) [2025-02-06 18:14:33,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:14:33,353 INFO L93 Difference]: Finished difference Result 1393 states and 1957 transitions. [2025-02-06 18:14:33,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 18:14:33,354 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 31.77777777777778) internal successors, (572), 18 states have internal predecessors, (572), 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 254 [2025-02-06 18:14:33,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:14:33,361 INFO L225 Difference]: With dead ends: 1393 [2025-02-06 18:14:33,361 INFO L226 Difference]: Without dead ends: 1388 [2025-02-06 18:14:33,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-02-06 18:14:33,363 INFO L435 NwaCegarLoop]: 341 mSDtfsCounter, 2458 mSDsluCounter, 2593 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2477 SdHoareTripleChecker+Valid, 2934 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 18:14:33,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2477 Valid, 2934 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 18:14:33,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2025-02-06 18:14:33,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1384. [2025-02-06 18:14:33,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1384 states, 1358 states have (on average 1.4035346097201766) internal successors, (1906), 1361 states have internal predecessors, (1906), 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) [2025-02-06 18:14:33,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 1948 transitions. [2025-02-06 18:14:33,430 INFO L78 Accepts]: Start accepts. Automaton has 1384 states and 1948 transitions. Word has length 254 [2025-02-06 18:14:33,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:14:33,431 INFO L471 AbstractCegarLoop]: Abstraction has 1384 states and 1948 transitions. [2025-02-06 18:14:33,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 31.77777777777778) internal successors, (572), 18 states have internal predecessors, (572), 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) [2025-02-06 18:14:33,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1948 transitions. [2025-02-06 18:14:33,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2025-02-06 18:14:33,435 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:14:33,436 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, 1] [2025-02-06 18:14:33,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 18:14:33,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-02-06 18:14:33,637 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)] === [2025-02-06 18:14:33,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:14:33,638 INFO L85 PathProgramCache]: Analyzing trace with hash -606364346, now seen corresponding path program 1 times [2025-02-06 18:14:33,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:14:33,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052389733] [2025-02-06 18:14:33,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:33,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:14:33,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 333 statements into 1 equivalence classes. [2025-02-06 18:14:33,866 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 333 of 333 statements. [2025-02-06 18:14:33,866 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:33,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:36,387 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:36,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:14:36,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052389733] [2025-02-06 18:14:36,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052389733] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:14:36,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823230242] [2025-02-06 18:14:36,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:36,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:14:36,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:14:36,390 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:14:36,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 18:14:36,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 333 statements into 1 equivalence classes. [2025-02-06 18:14:37,078 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 333 of 333 statements. [2025-02-06 18:14:37,079 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:37,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:37,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 1715 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-02-06 18:14:37,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:14:37,680 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:37,680 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:14:38,205 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:38,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823230242] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:14:38,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:14:38,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2025-02-06 18:14:38,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345942959] [2025-02-06 18:14:38,206 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:14:38,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-02-06 18:14:38,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:14:38,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-02-06 18:14:38,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=498, Unknown=0, NotChecked=0, Total=756 [2025-02-06 18:14:38,209 INFO L87 Difference]: Start difference. First operand 1384 states and 1948 transitions. Second operand has 28 states, 27 states have (on average 24.62962962962963) internal successors, (665), 28 states have internal predecessors, (665), 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) [2025-02-06 18:14:39,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:14:39,005 INFO L93 Difference]: Finished difference Result 1986 states and 2806 transitions. [2025-02-06 18:14:39,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-02-06 18:14:39,006 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 24.62962962962963) internal successors, (665), 28 states have internal predecessors, (665), 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 [2025-02-06 18:14:39,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:14:39,017 INFO L225 Difference]: With dead ends: 1986 [2025-02-06 18:14:39,017 INFO L226 Difference]: Without dead ends: 1985 [2025-02-06 18:14:39,018 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 [2025-02-06 18:14:39,019 INFO L435 NwaCegarLoop]: 417 mSDtfsCounter, 3028 mSDsluCounter, 4947 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3051 SdHoareTripleChecker+Valid, 5364 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 18:14:39,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3051 Valid, 5364 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 18:14:39,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2025-02-06 18:14:39,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1975. [2025-02-06 18:14:39,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1975 states, 1940 states have (on average 1.4036082474226803) internal successors, (2723), 1943 states have internal predecessors, (2723), 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) [2025-02-06 18:14:39,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 2783 transitions. [2025-02-06 18:14:39,075 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 2783 transitions. Word has length 333 [2025-02-06 18:14:39,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:14:39,076 INFO L471 AbstractCegarLoop]: Abstraction has 1975 states and 2783 transitions. [2025-02-06 18:14:39,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 24.62962962962963) internal successors, (665), 28 states have internal predecessors, (665), 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) [2025-02-06 18:14:39,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2783 transitions. [2025-02-06 18:14:39,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2025-02-06 18:14:39,081 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:14:39,082 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, 1] [2025-02-06 18:14:39,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-06 18:14:39,286 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 [2025-02-06 18:14:39,288 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)] === [2025-02-06 18:14:39,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:14:39,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1617425163, now seen corresponding path program 1 times [2025-02-06 18:14:39,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:14:39,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913521003] [2025-02-06 18:14:39,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:39,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:14:39,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 334 statements into 1 equivalence classes. [2025-02-06 18:14:39,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 334 of 334 statements. [2025-02-06 18:14:39,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:39,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:41,421 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:41,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:14:41,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913521003] [2025-02-06 18:14:41,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913521003] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:14:41,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508856991] [2025-02-06 18:14:41,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:41,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:14:41,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:14:41,424 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:14:41,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 18:14:41,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 334 statements into 1 equivalence classes. [2025-02-06 18:14:42,084 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 334 of 334 statements. [2025-02-06 18:14:42,084 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:42,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:42,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 1716 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-06 18:14:42,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:14:42,545 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:42,545 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:14:42,944 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:42,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508856991] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:14:42,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:14:42,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2025-02-06 18:14:42,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223020350] [2025-02-06 18:14:42,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:14:42,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-02-06 18:14:42,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:14:42,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-02-06 18:14:42,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=498, Unknown=0, NotChecked=0, Total=756 [2025-02-06 18:14:42,947 INFO L87 Difference]: Start difference. First operand 1975 states and 2783 transitions. Second operand has 28 states, 27 states have (on average 24.74074074074074) internal successors, (668), 28 states have internal predecessors, (668), 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) [2025-02-06 18:14:43,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:14:43,545 INFO L93 Difference]: Finished difference Result 1986 states and 2800 transitions. [2025-02-06 18:14:43,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-02-06 18:14:43,547 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 24.74074074074074) internal successors, (668), 28 states have internal predecessors, (668), 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 334 [2025-02-06 18:14:43,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:14:43,556 INFO L225 Difference]: With dead ends: 1986 [2025-02-06 18:14:43,556 INFO L226 Difference]: Without dead ends: 1985 [2025-02-06 18:14:43,557 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 682 GetRequests, 651 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=338, Invalid=718, Unknown=0, NotChecked=0, Total=1056 [2025-02-06 18:14:43,557 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 3575 mSDsluCounter, 3164 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3598 SdHoareTripleChecker+Valid, 3465 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 18:14:43,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3598 Valid, 3465 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 18:14:43,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2025-02-06 18:14:43,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1976. [2025-02-06 18:14:43,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1976 states, 1941 states have (on average 1.4008243173621844) internal successors, (2719), 1944 states have internal predecessors, (2719), 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) [2025-02-06 18:14:43,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1976 states and 2779 transitions. [2025-02-06 18:14:43,609 INFO L78 Accepts]: Start accepts. Automaton has 1976 states and 2779 transitions. Word has length 334 [2025-02-06 18:14:43,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:14:43,609 INFO L471 AbstractCegarLoop]: Abstraction has 1976 states and 2779 transitions. [2025-02-06 18:14:43,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 24.74074074074074) internal successors, (668), 28 states have internal predecessors, (668), 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) [2025-02-06 18:14:43,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2779 transitions. [2025-02-06 18:14:43,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2025-02-06 18:14:43,620 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:14:43,621 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, 1] [2025-02-06 18:14:43,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-06 18:14:43,821 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 [2025-02-06 18:14:43,822 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)] === [2025-02-06 18:14:43,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:14:43,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1044648375, now seen corresponding path program 2 times [2025-02-06 18:14:43,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:14:43,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877522166] [2025-02-06 18:14:43,823 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:14:43,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:14:43,963 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 566 statements into 2 equivalence classes. [2025-02-06 18:14:44,113 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 566 of 566 statements. [2025-02-06 18:14:44,113 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 18:14:44,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:45,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 0 proven. 1633 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:45,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:14:45,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877522166] [2025-02-06 18:14:45,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877522166] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:14:45,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553044856] [2025-02-06 18:14:45,495 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:14:45,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:14:45,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:14:45,497 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:14:45,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 18:14:46,030 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 566 statements into 2 equivalence classes. [2025-02-06 18:14:46,335 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 566 of 566 statements. [2025-02-06 18:14:46,335 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 18:14:46,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:46,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 2814 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 18:14:46,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:14:46,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 0 proven. 1633 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:46,830 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:14:47,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 0 proven. 1633 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:14:47,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553044856] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:14:47,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:14:47,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2025-02-06 18:14:47,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465464987] [2025-02-06 18:14:47,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:14:47,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-06 18:14:47,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:14:47,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-06 18:14:47,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2025-02-06 18:14:47,419 INFO L87 Difference]: Start difference. First operand 1976 states and 2779 transitions. Second operand has 23 states, 23 states have (on average 35.17391304347826) internal successors, (809), 23 states have internal predecessors, (809), 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) [2025-02-06 18:14:47,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:14:47,827 INFO L93 Difference]: Finished difference Result 1981 states and 2784 transitions. [2025-02-06 18:14:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-02-06 18:14:47,828 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 35.17391304347826) internal successors, (809), 23 states have internal predecessors, (809), 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 566 [2025-02-06 18:14:47,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:14:47,835 INFO L225 Difference]: With dead ends: 1981 [2025-02-06 18:14:47,835 INFO L226 Difference]: Without dead ends: 1976 [2025-02-06 18:14:47,835 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1147 GetRequests, 1115 SyntacticMatches, 11 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2025-02-06 18:14:47,836 INFO L435 NwaCegarLoop]: 341 mSDtfsCounter, 3375 mSDsluCounter, 3777 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3401 SdHoareTripleChecker+Valid, 4118 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 18:14:47,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3401 Valid, 4118 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 18:14:47,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1976 states. [2025-02-06 18:14:47,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1976 to 1976. [2025-02-06 18:14:47,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1976 states, 1941 states have (on average 1.3992787223080887) internal successors, (2716), 1944 states have internal predecessors, (2716), 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) [2025-02-06 18:14:47,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1976 states and 2776 transitions. [2025-02-06 18:14:47,883 INFO L78 Accepts]: Start accepts. Automaton has 1976 states and 2776 transitions. Word has length 566 [2025-02-06 18:14:47,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:14:47,883 INFO L471 AbstractCegarLoop]: Abstraction has 1976 states and 2776 transitions. [2025-02-06 18:14:47,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 35.17391304347826) internal successors, (809), 23 states have internal predecessors, (809), 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) [2025-02-06 18:14:47,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2776 transitions. [2025-02-06 18:14:47,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 801 [2025-02-06 18:14:47,903 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:14:47,903 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, 1] [2025-02-06 18:14:47,918 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-06 18:14:48,104 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 [2025-02-06 18:14:48,105 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)] === [2025-02-06 18:14:48,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:14:48,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1160560082, now seen corresponding path program 3 times [2025-02-06 18:14:48,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:14:48,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989341068] [2025-02-06 18:14:48,106 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 18:14:48,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:14:48,314 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 800 statements into 12 equivalence classes. [2025-02-06 18:14:48,381 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 83 of 800 statements. [2025-02-06 18:14:48,381 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-06 18:14:48,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:48,616 INFO L134 CoverageAnalysis]: Checked inductivity of 3506 backedges. 638 proven. 0 refuted. 0 times theorem prover too weak. 2868 trivial. 0 not checked. [2025-02-06 18:14:48,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:14:48,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989341068] [2025-02-06 18:14:48,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989341068] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:14:48,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:14:48,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 18:14:48,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194503917] [2025-02-06 18:14:48,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:14:48,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 18:14:48,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:14:48,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 18:14:48,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 18:14:48,619 INFO L87 Difference]: Start difference. First operand 1976 states and 2776 transitions. Second operand has 6 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 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) [2025-02-06 18:14:49,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:14:49,217 INFO L93 Difference]: Finished difference Result 4201 states and 5873 transitions. [2025-02-06 18:14:49,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 18:14:49,218 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 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 800 [2025-02-06 18:14:49,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:14:49,227 INFO L225 Difference]: With dead ends: 4201 [2025-02-06 18:14:49,227 INFO L226 Difference]: Without dead ends: 2316 [2025-02-06 18:14:49,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:14:49,233 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 14 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 18:14:49,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 796 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 18:14:49,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2316 states. [2025-02-06 18:14:49,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2316 to 2266. [2025-02-06 18:14:49,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2266 states, 2231 states have (on average 1.3787539220080682) internal successors, (3076), 2234 states have internal predecessors, (3076), 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) [2025-02-06 18:14:49,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 2266 states and 3136 transitions. [2025-02-06 18:14:49,285 INFO L78 Accepts]: Start accepts. Automaton has 2266 states and 3136 transitions. Word has length 800 [2025-02-06 18:14:49,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:14:49,286 INFO L471 AbstractCegarLoop]: Abstraction has 2266 states and 3136 transitions. [2025-02-06 18:14:49,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 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) [2025-02-06 18:14:49,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 3136 transitions. [2025-02-06 18:14:49,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2025-02-06 18:14:49,294 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:14:49,295 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, 1] [2025-02-06 18:14:49,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-06 18:14:49,295 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)] === [2025-02-06 18:14:49,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:14:49,296 INFO L85 PathProgramCache]: Analyzing trace with hash -763542542, now seen corresponding path program 1 times [2025-02-06 18:14:49,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:14:49,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713818769] [2025-02-06 18:14:49,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:49,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:14:49,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 810 statements into 1 equivalence classes. [2025-02-06 18:14:49,807 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 810 of 810 statements. [2025-02-06 18:14:49,807 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:14:49,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:14:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 3208 trivial. 0 not checked. [2025-02-06 18:14:50,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:14:50,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713818769] [2025-02-06 18:14:50,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713818769] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:14:50,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:14:50,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 18:14:50,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055099940] [2025-02-06 18:14:50,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:14:50,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 18:14:50,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:14:50,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 18:14:50,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:14:50,926 INFO L87 Difference]: Start difference. First operand 2266 states and 3136 transitions. Second operand has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 states have internal predecessors, (133), 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) [2025-02-06 18:14:51,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:14:51,363 INFO L93 Difference]: Finished difference Result 4537 states and 6309 transitions. [2025-02-06 18:14:51,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 18:14:51,364 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 states have internal predecessors, (133), 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 810 [2025-02-06 18:14:51,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:14:51,369 INFO L225 Difference]: With dead ends: 4537 [2025-02-06 18:14:51,369 INFO L226 Difference]: Without dead ends: 2396 [2025-02-06 18:14:51,372 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 [2025-02-06 18:14:51,372 INFO L435 NwaCegarLoop]: 249 mSDtfsCounter, 15 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 18:14:51,372 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 957 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 18:14:51,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2396 states. [2025-02-06 18:14:51,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2396 to 2366. [2025-02-06 18:14:51,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2366 states, 2331 states have (on average 1.383955383955384) internal successors, (3226), 2334 states have internal predecessors, (3226), 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) [2025-02-06 18:14:51,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 2366 states and 3286 transitions. [2025-02-06 18:14:51,419 INFO L78 Accepts]: Start accepts. Automaton has 2366 states and 3286 transitions. Word has length 810 [2025-02-06 18:14:51,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:14:51,419 INFO L471 AbstractCegarLoop]: Abstraction has 2366 states and 3286 transitions. [2025-02-06 18:14:51,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 states have internal predecessors, (133), 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) [2025-02-06 18:14:51,420 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 3286 transitions. [2025-02-06 18:14:51,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2025-02-06 18:14:51,427 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:14:51,428 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, 1] [2025-02-06 18:14:51,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-06 18:14:51,428 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)] === [2025-02-06 18:14:51,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:14:51,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1954821284, now seen corresponding path program 1 times [2025-02-06 18:14:51,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:14:51,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112066149] [2025-02-06 18:14:51,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:14:51,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:14:51,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 810 statements into 1 equivalence classes.