./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash df76811034b688387cfe28dd1eb6de91c21580662ac8ddb8163b41c1d6179172 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:51:08,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:51:08,252 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 08:51:08,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:51:08,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:51:08,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:51:08,282 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:51:08,282 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:51:08,282 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:51:08,282 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:51:08,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:51:08,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:51:08,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:51:08,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:51:08,282 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:51:08,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:51:08,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 08:51:08,283 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:51:08,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:51:08,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:51:08,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:51:08,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 08:51:08,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:51:08,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 08:51:08,283 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 08:51:08,283 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:51:08,283 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:51:08,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 08:51:08,283 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:51:08,285 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:51:08,285 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:51:08,285 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:51:08,285 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:51:08,285 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:51:08,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:51:08,285 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:51:08,285 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:51:08,285 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 08:51:08,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 08:51:08,285 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:51:08,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:51:08,286 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:51:08,286 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:51:08,286 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:51:08,286 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:51:08,286 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 -> df76811034b688387cfe28dd1eb6de91c21580662ac8ddb8163b41c1d6179172 [2025-02-08 08:51:08,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:51:08,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:51:08,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:51:08,633 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:51:08,633 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:51:08,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c [2025-02-08 08:51:09,817 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b5e9cd50a/0e383298325b4cfa92d754e8553b238c/FLAG537bdf1a9 [2025-02-08 08:51:10,012 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:51:10,012 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c [2025-02-08 08:51:10,022 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b5e9cd50a/0e383298325b4cfa92d754e8553b238c/FLAG537bdf1a9 [2025-02-08 08:51:10,393 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b5e9cd50a/0e383298325b4cfa92d754e8553b238c [2025-02-08 08:51:10,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:51:10,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:51:10,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:51:10,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:51:10,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:51:10,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:51:10" (1/1) ... [2025-02-08 08:51:10,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c7fe49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:10, skipping insertion in model container [2025-02-08 08:51:10,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:51:10" (1/1) ... [2025-02-08 08:51:10,413 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:51:10,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:51:10,533 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:51:10,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:51:10,555 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:51:10,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:10 WrapperNode [2025-02-08 08:51:10,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:51:10,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:51:10,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:51:10,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:51:10,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:10" (1/1) ... [2025-02-08 08:51:10,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:10" (1/1) ... [2025-02-08 08:51:10,574 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2025-02-08 08:51:10,575 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:51:10,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:51:10,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:51:10,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:51:10,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:10" (1/1) ... [2025-02-08 08:51:10,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:10" (1/1) ... [2025-02-08 08:51:10,583 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:10" (1/1) ... [2025-02-08 08:51:10,598 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2025-02-08 08:51:10,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:10" (1/1) ... [2025-02-08 08:51:10,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:10" (1/1) ... [2025-02-08 08:51:10,604 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:10" (1/1) ... [2025-02-08 08:51:10,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:10" (1/1) ... [2025-02-08 08:51:10,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:10" (1/1) ... [2025-02-08 08:51:10,608 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:10" (1/1) ... [2025-02-08 08:51:10,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:51:10,609 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:51:10,609 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:51:10,610 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:51:10,610 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:10" (1/1) ... [2025-02-08 08:51:10,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:51:10,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:10,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 08:51:10,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 08:51:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 08:51:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 08:51:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 08:51:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 08:51:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 08:51:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 08:51:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:51:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:51:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 08:51:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 08:51:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 08:51:10,697 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:51:10,698 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:51:10,890 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L50: havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem5#1; [2025-02-08 08:51:10,890 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L51: assume 1 + main_~k~0#1 <= 2147483647;main_~k~0#1 := 1 + main_~k~0#1; [2025-02-08 08:51:10,890 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L51: assume !(1 + main_~k~0#1 <= 2147483647); [2025-02-08 08:51:10,890 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L18: call ULTIMATE.dealloc(main_~#A~0#1.base, main_~#A~0#1.offset);havoc main_~#A~0#1.base, main_~#A~0#1.offset; [2025-02-08 08:51:10,890 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L51-1: assume 1 + main_~k~0#1 >= -2147483648; [2025-02-08 08:51:10,890 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L51-1: assume !(1 + main_~k~0#1 >= -2147483648); [2025-02-08 08:51:10,899 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2025-02-08 08:51:10,899 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:51:10,906 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:51:10,906 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:51:10,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:51:10 BoogieIcfgContainer [2025-02-08 08:51:10,907 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:51:10,909 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:51:10,909 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:51:10,912 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:51:10,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:51:10" (1/3) ... [2025-02-08 08:51:10,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35fc5fde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:51:10, skipping insertion in model container [2025-02-08 08:51:10,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:10" (2/3) ... [2025-02-08 08:51:10,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35fc5fde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:51:10, skipping insertion in model container [2025-02-08 08:51:10,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:51:10" (3/3) ... [2025-02-08 08:51:10,914 INFO L128 eAbstractionObserver]: Analyzing ICFG init-non-constant-3-u.c [2025-02-08 08:51:10,924 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:51:10,925 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG init-non-constant-3-u.c that has 1 procedures, 48 locations, 1 initial locations, 6 loop locations, and 20 error locations. [2025-02-08 08:51:10,960 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:51:10,969 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;@6d13ff75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:51:10,969 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-02-08 08:51:10,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 28 states have (on average 1.8928571428571428) internal successors, (53), 47 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:10,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-08 08:51:10,975 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:10,975 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-08 08:51:10,975 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 08:51:10,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:10,978 INFO L85 PathProgramCache]: Analyzing trace with hash 2738732, now seen corresponding path program 1 times [2025-02-08 08:51:10,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:10,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381725995] [2025-02-08 08:51:10,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:10,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:11,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 08:51:11,041 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 08:51:11,041 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:11,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:11,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:51:11,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:11,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381725995] [2025-02-08 08:51:11,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381725995] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:51:11,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:51:11,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:51:11,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877682259] [2025-02-08 08:51:11,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:51:11,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:51:11,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:11,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:51:11,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:51:11,153 INFO L87 Difference]: Start difference. First operand has 48 states, 28 states have (on average 1.8928571428571428) internal successors, (53), 47 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:11,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:11,257 INFO L93 Difference]: Finished difference Result 111 states and 133 transitions. [2025-02-08 08:51:11,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:51:11,259 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-02-08 08:51:11,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:11,264 INFO L225 Difference]: With dead ends: 111 [2025-02-08 08:51:11,264 INFO L226 Difference]: Without dead ends: 59 [2025-02-08 08:51:11,266 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 [2025-02-08 08:51:11,267 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 57 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:11,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 52 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:51:11,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2025-02-08 08:51:11,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2025-02-08 08:51:11,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 39 states have (on average 1.7692307692307692) internal successors, (69), 56 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:11,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2025-02-08 08:51:11,293 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 4 [2025-02-08 08:51:11,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:11,293 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2025-02-08 08:51:11,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:11,293 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2025-02-08 08:51:11,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 08:51:11,293 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:11,294 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 08:51:11,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 08:51:11,294 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 08:51:11,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:11,294 INFO L85 PathProgramCache]: Analyzing trace with hash 84900311, now seen corresponding path program 1 times [2025-02-08 08:51:11,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:11,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122806823] [2025-02-08 08:51:11,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:11,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:11,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 08:51:11,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 08:51:11,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:11,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:11,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:51:11,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:11,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122806823] [2025-02-08 08:51:11,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122806823] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:51:11,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:51:11,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:51:11,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149833798] [2025-02-08 08:51:11,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:51:11,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:51:11,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:11,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:51:11,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:51:11,351 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:11,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:11,448 INFO L93 Difference]: Finished difference Result 115 states and 144 transitions. [2025-02-08 08:51:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:51:11,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-08 08:51:11,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:11,451 INFO L225 Difference]: With dead ends: 115 [2025-02-08 08:51:11,451 INFO L226 Difference]: Without dead ends: 107 [2025-02-08 08:51:11,451 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:51:11,452 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 66 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:11,452 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 44 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:51:11,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2025-02-08 08:51:11,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 93. [2025-02-08 08:51:11,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 75 states have (on average 1.68) internal successors, (126), 92 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:11,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 126 transitions. [2025-02-08 08:51:11,467 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 126 transitions. Word has length 5 [2025-02-08 08:51:11,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:11,467 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 126 transitions. [2025-02-08 08:51:11,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:11,467 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 126 transitions. [2025-02-08 08:51:11,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 08:51:11,467 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:11,467 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:51:11,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 08:51:11,467 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 08:51:11,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:11,468 INFO L85 PathProgramCache]: Analyzing trace with hash -15179115, now seen corresponding path program 1 times [2025-02-08 08:51:11,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:11,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607636428] [2025-02-08 08:51:11,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:11,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:11,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 08:51:11,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 08:51:11,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:11,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:11,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:51:11,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:11,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607636428] [2025-02-08 08:51:11,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607636428] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:51:11,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:51:11,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:51:11,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174058690] [2025-02-08 08:51:11,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:51:11,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:51:11,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:11,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:51:11,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:51:11,556 INFO L87 Difference]: Start difference. First operand 93 states and 126 transitions. Second operand has 5 states, 4 states have (on average 1.75) 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) [2025-02-08 08:51:11,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:11,676 INFO L93 Difference]: Finished difference Result 120 states and 148 transitions. [2025-02-08 08:51:11,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 08:51:11,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) 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 [2025-02-08 08:51:11,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:11,677 INFO L225 Difference]: With dead ends: 120 [2025-02-08 08:51:11,679 INFO L226 Difference]: Without dead ends: 110 [2025-02-08 08:51:11,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:51:11,679 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 61 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:11,680 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 41 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:51:11,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2025-02-08 08:51:11,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 98. [2025-02-08 08:51:11,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 80 states have (on average 1.6375) internal successors, (131), 97 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:11,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 131 transitions. [2025-02-08 08:51:11,686 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 131 transitions. Word has length 7 [2025-02-08 08:51:11,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:11,687 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 131 transitions. [2025-02-08 08:51:11,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) 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) [2025-02-08 08:51:11,687 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 131 transitions. [2025-02-08 08:51:11,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-08 08:51:11,687 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:11,687 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:51:11,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 08:51:11,687 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 08:51:11,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:11,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1685029766, now seen corresponding path program 1 times [2025-02-08 08:51:11,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:11,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963847850] [2025-02-08 08:51:11,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:11,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:11,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 08:51:11,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 08:51:11,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:11,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:11,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:51:11,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:11,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963847850] [2025-02-08 08:51:11,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963847850] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:51:11,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:51:11,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:51:11,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474181494] [2025-02-08 08:51:11,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:51:11,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:51:11,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:11,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:51:11,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:51:11,763 INFO L87 Difference]: Start difference. First operand 98 states and 131 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:11,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:11,818 INFO L93 Difference]: Finished difference Result 171 states and 243 transitions. [2025-02-08 08:51:11,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:51:11,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-02-08 08:51:11,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:11,820 INFO L225 Difference]: With dead ends: 171 [2025-02-08 08:51:11,820 INFO L226 Difference]: Without dead ends: 87 [2025-02-08 08:51:11,820 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 [2025-02-08 08:51:11,821 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 43 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:11,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 29 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:51:11,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2025-02-08 08:51:11,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2025-02-08 08:51:11,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 75 states have (on average 1.6133333333333333) internal successors, (121), 84 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:11,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 121 transitions. [2025-02-08 08:51:11,834 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 121 transitions. Word has length 9 [2025-02-08 08:51:11,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:11,834 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 121 transitions. [2025-02-08 08:51:11,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:11,835 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 121 transitions. [2025-02-08 08:51:11,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 08:51:11,835 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:11,835 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:51:11,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 08:51:11,835 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 08:51:11,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:11,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1713397909, now seen corresponding path program 1 times [2025-02-08 08:51:11,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:11,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473225447] [2025-02-08 08:51:11,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:11,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:11,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 08:51:11,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 08:51:11,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:11,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:11,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:51:11,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:11,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473225447] [2025-02-08 08:51:11,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473225447] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:51:11,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918770718] [2025-02-08 08:51:11,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:11,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:11,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:11,944 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:51:11,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 08:51:11,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 08:51:11,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 08:51:11,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:11,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:11,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 08:51:11,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:51:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:51:12,085 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 08:51:12,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918770718] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:51:12,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 08:51:12,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 8 [2025-02-08 08:51:12,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990624900] [2025-02-08 08:51:12,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:51:12,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:51:12,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:12,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:51:12,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2025-02-08 08:51:12,086 INFO L87 Difference]: Start difference. First operand 85 states and 121 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:12,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:12,142 INFO L93 Difference]: Finished difference Result 85 states and 121 transitions. [2025-02-08 08:51:12,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:51:12,143 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 14 [2025-02-08 08:51:12,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:12,143 INFO L225 Difference]: With dead ends: 85 [2025-02-08 08:51:12,144 INFO L226 Difference]: Without dead ends: 80 [2025-02-08 08:51:12,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2025-02-08 08:51:12,144 INFO L435 NwaCegarLoop]: 1 mSDtfsCounter, 13 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:12,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:51:12,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2025-02-08 08:51:12,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2025-02-08 08:51:12,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.3466666666666667) internal successors, (101), 79 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:12,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 101 transitions. [2025-02-08 08:51:12,149 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 101 transitions. Word has length 14 [2025-02-08 08:51:12,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:12,149 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 101 transitions. [2025-02-08 08:51:12,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:12,150 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 101 transitions. [2025-02-08 08:51:12,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-08 08:51:12,150 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:12,150 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:51:12,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 08:51:12,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:12,351 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 08:51:12,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:12,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1575727643, now seen corresponding path program 1 times [2025-02-08 08:51:12,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:12,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967654695] [2025-02-08 08:51:12,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:12,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:12,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 08:51:12,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 08:51:12,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:12,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:12,441 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:51:12,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:12,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967654695] [2025-02-08 08:51:12,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967654695] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:51:12,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170539157] [2025-02-08 08:51:12,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:12,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:12,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:12,444 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:51:12,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 08:51:12,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 08:51:12,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 08:51:12,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:12,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:12,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 08:51:12,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:51:12,569 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:51:12,569 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:51:12,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:51:12,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170539157] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:51:12,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:51:12,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 12 [2025-02-08 08:51:12,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404818783] [2025-02-08 08:51:12,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:51:12,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 08:51:12,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:12,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 08:51:12,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-02-08 08:51:12,620 INFO L87 Difference]: Start difference. First operand 80 states and 101 transitions. Second operand has 14 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:12,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:12,894 INFO L93 Difference]: Finished difference Result 168 states and 214 transitions. [2025-02-08 08:51:12,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-08 08:51:12,894 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-02-08 08:51:12,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:12,895 INFO L225 Difference]: With dead ends: 168 [2025-02-08 08:51:12,895 INFO L226 Difference]: Without dead ends: 163 [2025-02-08 08:51:12,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=214, Invalid=386, Unknown=0, NotChecked=0, Total=600 [2025-02-08 08:51:12,896 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 226 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:12,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 14 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:51:12,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2025-02-08 08:51:12,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 158. [2025-02-08 08:51:12,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 153 states have (on average 1.2875816993464053) internal successors, (197), 157 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:12,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 197 transitions. [2025-02-08 08:51:12,905 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 197 transitions. Word has length 15 [2025-02-08 08:51:12,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:12,905 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 197 transitions. [2025-02-08 08:51:12,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:12,905 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 197 transitions. [2025-02-08 08:51:12,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-08 08:51:12,906 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:12,906 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 08:51:12,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 08:51:13,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:13,106 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 08:51:13,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:13,107 INFO L85 PathProgramCache]: Analyzing trace with hash 343293244, now seen corresponding path program 1 times [2025-02-08 08:51:13,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:13,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367001123] [2025-02-08 08:51:13,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:13,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:13,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 08:51:13,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 08:51:13,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:13,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:13,171 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 08:51:13,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:13,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367001123] [2025-02-08 08:51:13,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367001123] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:51:13,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480068948] [2025-02-08 08:51:13,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:13,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:13,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:13,173 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:51:13,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 08:51:13,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 08:51:13,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 08:51:13,213 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:13,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:13,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 08:51:13,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:51:13,256 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-08 08:51:13,256 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:51:13,292 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-08 08:51:13,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480068948] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:51:13,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:51:13,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 10 [2025-02-08 08:51:13,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218375425] [2025-02-08 08:51:13,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:51:13,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 08:51:13,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:13,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 08:51:13,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2025-02-08 08:51:13,294 INFO L87 Difference]: Start difference. First operand 158 states and 197 transitions. Second operand has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:13,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:13,364 INFO L93 Difference]: Finished difference Result 369 states and 487 transitions. [2025-02-08 08:51:13,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 08:51:13,364 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2025-02-08 08:51:13,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:13,366 INFO L225 Difference]: With dead ends: 369 [2025-02-08 08:51:13,367 INFO L226 Difference]: Without dead ends: 242 [2025-02-08 08:51:13,368 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2025-02-08 08:51:13,369 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 55 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:13,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 57 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:51:13,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2025-02-08 08:51:13,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 239. [2025-02-08 08:51:13,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 234 states have (on average 1.2735042735042734) internal successors, (298), 238 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:13,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 298 transitions. [2025-02-08 08:51:13,389 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 298 transitions. Word has length 28 [2025-02-08 08:51:13,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:13,394 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 298 transitions. [2025-02-08 08:51:13,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:13,394 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 298 transitions. [2025-02-08 08:51:13,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-08 08:51:13,394 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:13,394 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1] [2025-02-08 08:51:13,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-08 08:51:13,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:13,595 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 08:51:13,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:13,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1805506841, now seen corresponding path program 1 times [2025-02-08 08:51:13,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:13,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389069287] [2025-02-08 08:51:13,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:13,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:13,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 08:51:13,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 08:51:13,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:13,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:13,644 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 08:51:13,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:13,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389069287] [2025-02-08 08:51:13,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389069287] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:51:13,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942190079] [2025-02-08 08:51:13,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:13,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:13,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:13,648 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:51:13,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 08:51:13,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 08:51:13,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 08:51:13,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:13,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:13,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 08:51:13,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:51:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:51:13,739 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:51:13,789 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:51:13,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942190079] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:51:13,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:51:13,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 5, 5] total 11 [2025-02-08 08:51:13,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034053718] [2025-02-08 08:51:13,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:51:13,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 08:51:13,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:13,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 08:51:13,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2025-02-08 08:51:13,792 INFO L87 Difference]: Start difference. First operand 239 states and 298 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:13,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:13,861 INFO L93 Difference]: Finished difference Result 292 states and 371 transitions. [2025-02-08 08:51:13,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 08:51:13,862 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 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 31 [2025-02-08 08:51:13,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:13,864 INFO L225 Difference]: With dead ends: 292 [2025-02-08 08:51:13,864 INFO L226 Difference]: Without dead ends: 291 [2025-02-08 08:51:13,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=129, Invalid=177, Unknown=0, NotChecked=0, Total=306 [2025-02-08 08:51:13,865 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 30 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:13,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 36 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:51:13,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2025-02-08 08:51:13,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 238. [2025-02-08 08:51:13,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 234 states have (on average 1.2179487179487178) internal successors, (285), 237 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:13,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 285 transitions. [2025-02-08 08:51:13,894 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 285 transitions. Word has length 31 [2025-02-08 08:51:13,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:13,894 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 285 transitions. [2025-02-08 08:51:13,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:13,894 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 285 transitions. [2025-02-08 08:51:13,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-08 08:51:13,895 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:13,895 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 08:51:13,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 08:51:14,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-02-08 08:51:14,096 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 08:51:14,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:14,096 INFO L85 PathProgramCache]: Analyzing trace with hash 682584024, now seen corresponding path program 1 times [2025-02-08 08:51:14,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:14,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505531943] [2025-02-08 08:51:14,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:14,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:14,105 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 08:51:14,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 08:51:14,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:14,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:14,208 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 80 proven. 46 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-02-08 08:51:14,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:14,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505531943] [2025-02-08 08:51:14,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505531943] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:51:14,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357397192] [2025-02-08 08:51:14,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:14,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:14,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:14,211 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:51:14,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 08:51:14,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 08:51:14,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 08:51:14,258 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:14,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:14,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 08:51:14,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:51:14,368 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 80 proven. 46 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-02-08 08:51:14,368 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:51:14,456 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 80 proven. 46 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-02-08 08:51:14,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357397192] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:51:14,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:51:14,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 18 [2025-02-08 08:51:14,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262356097] [2025-02-08 08:51:14,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:51:14,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-08 08:51:14,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:14,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-08 08:51:14,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=195, Unknown=0, NotChecked=0, Total=342 [2025-02-08 08:51:14,458 INFO L87 Difference]: Start difference. First operand 238 states and 285 transitions. Second operand has 19 states, 19 states have (on average 5.526315789473684) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:14,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:14,596 INFO L93 Difference]: Finished difference Result 747 states and 933 transitions. [2025-02-08 08:51:14,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 08:51:14,597 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.526315789473684) internal successors, (105), 18 states have internal predecessors, (105), 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 54 [2025-02-08 08:51:14,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:14,599 INFO L225 Difference]: With dead ends: 747 [2025-02-08 08:51:14,599 INFO L226 Difference]: Without dead ends: 541 [2025-02-08 08:51:14,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=222, Invalid=330, Unknown=0, NotChecked=0, Total=552 [2025-02-08 08:51:14,600 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 92 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:14,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 76 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:51:14,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2025-02-08 08:51:14,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 532. [2025-02-08 08:51:14,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 528 states have (on average 1.2102272727272727) internal successors, (639), 531 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:14,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 639 transitions. [2025-02-08 08:51:14,634 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 639 transitions. Word has length 54 [2025-02-08 08:51:14,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:14,634 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 639 transitions. [2025-02-08 08:51:14,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.526315789473684) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:14,634 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 639 transitions. [2025-02-08 08:51:14,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-08 08:51:14,636 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:14,636 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 08:51:14,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 08:51:14,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:14,836 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 08:51:14,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:14,837 INFO L85 PathProgramCache]: Analyzing trace with hash 800368600, now seen corresponding path program 2 times [2025-02-08 08:51:14,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:14,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757146965] [2025-02-08 08:51:14,837 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:51:14,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:14,852 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 96 statements into 2 equivalence classes. [2025-02-08 08:51:14,857 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 96 statements. [2025-02-08 08:51:14,858 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:51:14,858 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:14,895 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2025-02-08 08:51:14,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:14,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757146965] [2025-02-08 08:51:14,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757146965] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:51:14,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465462514] [2025-02-08 08:51:14,895 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:51:14,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:14,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:14,897 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:51:14,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 08:51:14,933 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 96 statements into 2 equivalence classes. [2025-02-08 08:51:14,938 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 96 statements. [2025-02-08 08:51:14,938 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:51:14,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:14,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 08:51:14,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:51:15,179 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 153 proven. 48 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2025-02-08 08:51:15,179 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:51:15,309 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2025-02-08 08:51:15,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465462514] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:51:15,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:51:15,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 9 [2025-02-08 08:51:15,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557369592] [2025-02-08 08:51:15,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:51:15,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 08:51:15,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:15,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 08:51:15,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-02-08 08:51:15,310 INFO L87 Difference]: Start difference. First operand 532 states and 639 transitions. Second operand has 11 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:15,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:15,471 INFO L93 Difference]: Finished difference Result 536 states and 639 transitions. [2025-02-08 08:51:15,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 08:51:15,471 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2025-02-08 08:51:15,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:15,473 INFO L225 Difference]: With dead ends: 536 [2025-02-08 08:51:15,473 INFO L226 Difference]: Without dead ends: 533 [2025-02-08 08:51:15,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2025-02-08 08:51:15,474 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 24 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:15,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 6 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:51:15,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2025-02-08 08:51:15,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 385. [2025-02-08 08:51:15,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 381 states have (on average 1.1601049868766404) internal successors, (442), 384 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:15,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 442 transitions. [2025-02-08 08:51:15,487 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 442 transitions. Word has length 96 [2025-02-08 08:51:15,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:15,487 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 442 transitions. [2025-02-08 08:51:15,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:15,487 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 442 transitions. [2025-02-08 08:51:15,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-02-08 08:51:15,488 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:15,488 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-08 08:51:15,494 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 [2025-02-08 08:51:15,693 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,SelfDestructingSolverStorable9 [2025-02-08 08:51:15,693 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 08:51:15,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:15,693 INFO L85 PathProgramCache]: Analyzing trace with hash 53354810, now seen corresponding path program 1 times [2025-02-08 08:51:15,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:15,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050576505] [2025-02-08 08:51:15,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:15,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:15,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-02-08 08:51:15,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-02-08 08:51:15,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:15,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:15,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 759 proven. 1 refuted. 0 times theorem prover too weak. 682 trivial. 0 not checked. [2025-02-08 08:51:15,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:15,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050576505] [2025-02-08 08:51:15,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050576505] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:51:15,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168715053] [2025-02-08 08:51:15,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:15,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:15,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:15,880 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:51:15,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 08:51:15,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-02-08 08:51:15,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-02-08 08:51:15,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:15,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:15,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 08:51:15,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:51:16,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 756 proven. 325 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2025-02-08 08:51:16,232 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:51:16,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 756 proven. 325 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2025-02-08 08:51:16,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168715053] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:51:16,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:51:16,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 13, 13] total 27 [2025-02-08 08:51:16,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326797133] [2025-02-08 08:51:16,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:51:16,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-02-08 08:51:16,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:16,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-02-08 08:51:16,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=446, Unknown=0, NotChecked=0, Total=756 [2025-02-08 08:51:16,447 INFO L87 Difference]: Start difference. First operand 385 states and 442 transitions. Second operand has 28 states, 28 states have (on average 6.321428571428571) internal successors, (177), 27 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:17,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:17,566 INFO L93 Difference]: Finished difference Result 1839 states and 2175 transitions. [2025-02-08 08:51:17,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2025-02-08 08:51:17,566 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 6.321428571428571) internal successors, (177), 27 states have internal predecessors, (177), 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 158 [2025-02-08 08:51:17,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:17,570 INFO L225 Difference]: With dead ends: 1839 [2025-02-08 08:51:17,571 INFO L226 Difference]: Without dead ends: 1457 [2025-02-08 08:51:17,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2116 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=2483, Invalid=4489, Unknown=0, NotChecked=0, Total=6972 [2025-02-08 08:51:17,574 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 884 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:17,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [884 Valid, 16 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 08:51:17,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2025-02-08 08:51:17,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 965. [2025-02-08 08:51:17,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 961 states have (on average 1.1269510926118627) internal successors, (1083), 964 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:17,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1083 transitions. [2025-02-08 08:51:17,605 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1083 transitions. Word has length 158 [2025-02-08 08:51:17,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:17,605 INFO L471 AbstractCegarLoop]: Abstraction has 965 states and 1083 transitions. [2025-02-08 08:51:17,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.321428571428571) internal successors, (177), 27 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:17,605 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1083 transitions. [2025-02-08 08:51:17,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2025-02-08 08:51:17,609 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:17,609 INFO L218 NwaCegarLoop]: trace histogram [67, 67, 66, 66, 66, 66, 66, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2025-02-08 08:51:17,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-08 08:51:17,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:17,813 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 08:51:17,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:17,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1556235529, now seen corresponding path program 2 times [2025-02-08 08:51:17,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:17,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528014095] [2025-02-08 08:51:17,814 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:51:17,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:17,840 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 484 statements into 2 equivalence classes. [2025-02-08 08:51:17,842 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 484 statements. [2025-02-08 08:51:17,842 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:51:17,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:17,863 INFO L134 CoverageAnalysis]: Checked inductivity of 15434 backedges. 0 proven. 7077 refuted. 0 times theorem prover too weak. 8357 trivial. 0 not checked. [2025-02-08 08:51:17,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:17,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528014095] [2025-02-08 08:51:17,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528014095] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:51:17,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071575139] [2025-02-08 08:51:17,863 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:51:17,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:17,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:17,866 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:51:17,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 08:51:17,940 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 484 statements into 2 equivalence classes. [2025-02-08 08:51:17,944 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 484 statements. [2025-02-08 08:51:17,945 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:51:17,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:17,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 08:51:17,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:51:18,551 INFO L134 CoverageAnalysis]: Checked inductivity of 15434 backedges. 6876 proven. 201 refuted. 0 times theorem prover too weak. 8357 trivial. 0 not checked. [2025-02-08 08:51:18,551 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:51:18,929 INFO L134 CoverageAnalysis]: Checked inductivity of 15434 backedges. 0 proven. 7077 refuted. 0 times theorem prover too weak. 8357 trivial. 0 not checked. [2025-02-08 08:51:18,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071575139] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:51:18,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:51:18,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 8 [2025-02-08 08:51:18,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008234631] [2025-02-08 08:51:18,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:51:18,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 08:51:18,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:18,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 08:51:18,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-02-08 08:51:18,931 INFO L87 Difference]: Start difference. First operand 965 states and 1083 transitions. Second operand has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:18,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:18,991 INFO L93 Difference]: Finished difference Result 965 states and 1083 transitions. [2025-02-08 08:51:18,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 08:51:18,991 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 484 [2025-02-08 08:51:18,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:18,994 INFO L225 Difference]: With dead ends: 965 [2025-02-08 08:51:18,994 INFO L226 Difference]: Without dead ends: 962 [2025-02-08 08:51:18,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 972 GetRequests, 961 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2025-02-08 08:51:18,995 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 13 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:18,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:51:18,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2025-02-08 08:51:19,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 960. [2025-02-08 08:51:19,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 959 states have (on average 1.0552659019812305) internal successors, (1012), 959 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:19,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1012 transitions. [2025-02-08 08:51:19,033 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1012 transitions. Word has length 484 [2025-02-08 08:51:19,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:19,034 INFO L471 AbstractCegarLoop]: Abstraction has 960 states and 1012 transitions. [2025-02-08 08:51:19,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:19,035 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1012 transitions. [2025-02-08 08:51:19,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 649 [2025-02-08 08:51:19,041 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:19,042 INFO L218 NwaCegarLoop]: trace histogram [89, 89, 89, 89, 88, 88, 88, 5, 4, 4, 4, 3, 2, 2, 2, 1, 1] [2025-02-08 08:51:19,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-08 08:51:19,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:19,243 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 08:51:19,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:19,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1885072555, now seen corresponding path program 1 times [2025-02-08 08:51:19,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:19,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821967257] [2025-02-08 08:51:19,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:19,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:19,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 648 statements into 1 equivalence classes. [2025-02-08 08:51:19,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 648 of 648 statements. [2025-02-08 08:51:19,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:19,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:21,038 INFO L134 CoverageAnalysis]: Checked inductivity of 27636 backedges. 10418 proven. 1639 refuted. 0 times theorem prover too weak. 15579 trivial. 0 not checked. [2025-02-08 08:51:21,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:21,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821967257] [2025-02-08 08:51:21,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821967257] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:51:21,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969092408] [2025-02-08 08:51:21,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:21,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:21,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:21,041 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:51:21,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 08:51:21,135 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 648 statements into 1 equivalence classes. [2025-02-08 08:51:21,243 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 648 of 648 statements. [2025-02-08 08:51:21,243 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:21,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:21,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 1250 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-08 08:51:21,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:51:21,807 INFO L134 CoverageAnalysis]: Checked inductivity of 27636 backedges. 10418 proven. 1639 refuted. 0 times theorem prover too weak. 15579 trivial. 0 not checked. [2025-02-08 08:51:21,807 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:51:22,606 INFO L134 CoverageAnalysis]: Checked inductivity of 27636 backedges. 10418 proven. 1639 refuted. 0 times theorem prover too weak. 15579 trivial. 0 not checked. [2025-02-08 08:51:22,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969092408] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:51:22,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:51:22,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 72 [2025-02-08 08:51:22,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030974080] [2025-02-08 08:51:22,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:51:22,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2025-02-08 08:51:22,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:22,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2025-02-08 08:51:22,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2307, Invalid=2949, Unknown=0, NotChecked=0, Total=5256 [2025-02-08 08:51:22,612 INFO L87 Difference]: Start difference. First operand 960 states and 1012 transitions. Second operand has 73 states, 73 states have (on average 6.684931506849315) internal successors, (488), 72 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:23,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:23,447 INFO L93 Difference]: Finished difference Result 2770 states and 3065 transitions. [2025-02-08 08:51:23,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-02-08 08:51:23,447 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 73 states have (on average 6.684931506849315) internal successors, (488), 72 states have internal predecessors, (488), 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 648 [2025-02-08 08:51:23,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:23,452 INFO L225 Difference]: With dead ends: 2770 [2025-02-08 08:51:23,453 INFO L226 Difference]: Without dead ends: 1968 [2025-02-08 08:51:23,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1342 GetRequests, 1248 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3217 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=3480, Invalid=5640, Unknown=0, NotChecked=0, Total=9120 [2025-02-08 08:51:23,456 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 460 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:23,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 131 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 08:51:23,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2025-02-08 08:51:23,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1968. [2025-02-08 08:51:23,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1968 states, 1967 states have (on average 1.0513472292831723) internal successors, (2068), 1967 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:23,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1968 states and 2068 transitions. [2025-02-08 08:51:23,515 INFO L78 Accepts]: Start accepts. Automaton has 1968 states and 2068 transitions. Word has length 648 [2025-02-08 08:51:23,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:23,515 INFO L471 AbstractCegarLoop]: Abstraction has 1968 states and 2068 transitions. [2025-02-08 08:51:23,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 6.684931506849315) internal successors, (488), 72 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:23,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 2068 transitions. [2025-02-08 08:51:23,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1321 [2025-02-08 08:51:23,547 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:23,548 INFO L218 NwaCegarLoop]: trace histogram [185, 185, 185, 185, 184, 184, 184, 5, 4, 4, 4, 3, 2, 2, 2, 1, 1] [2025-02-08 08:51:23,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 08:51:23,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:23,752 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 08:51:23,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:23,753 INFO L85 PathProgramCache]: Analyzing trace with hash 273747797, now seen corresponding path program 2 times [2025-02-08 08:51:23,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:23,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487449905] [2025-02-08 08:51:23,753 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:51:23,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:23,833 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1320 statements into 2 equivalence classes. [2025-02-08 08:51:23,834 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 1320 statements. [2025-02-08 08:51:23,835 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:51:23,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:23,866 INFO L134 CoverageAnalysis]: Checked inductivity of 119556 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 118626 trivial. 0 not checked. [2025-02-08 08:51:23,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:23,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487449905] [2025-02-08 08:51:23,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487449905] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:51:23,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564993150] [2025-02-08 08:51:23,867 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:51:23,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:23,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:23,869 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:51:23,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 08:51:24,019 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1320 statements into 2 equivalence classes. [2025-02-08 08:51:24,023 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 1320 statements. [2025-02-08 08:51:24,023 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:51:24,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:24,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 08:51:24,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:51:25,028 INFO L134 CoverageAnalysis]: Checked inductivity of 119556 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 118626 trivial. 0 not checked. [2025-02-08 08:51:25,028 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:51:26,040 INFO L134 CoverageAnalysis]: Checked inductivity of 119556 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 118626 trivial. 0 not checked. [2025-02-08 08:51:26,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564993150] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:51:26,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:51:26,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 8 [2025-02-08 08:51:26,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021227586] [2025-02-08 08:51:26,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:51:26,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 08:51:26,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:26,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 08:51:26,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 08:51:26,043 INFO L87 Difference]: Start difference. First operand 1968 states and 2068 transitions. Second operand has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:26,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:26,175 INFO L93 Difference]: Finished difference Result 1984 states and 2084 transitions. [2025-02-08 08:51:26,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 08:51:26,175 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 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 1320 [2025-02-08 08:51:26,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:26,182 INFO L225 Difference]: With dead ends: 1984 [2025-02-08 08:51:26,182 INFO L226 Difference]: Without dead ends: 1983 [2025-02-08 08:51:26,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2646 GetRequests, 2633 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2025-02-08 08:51:26,183 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:26,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 3 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:51:26,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2025-02-08 08:51:26,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1973. [2025-02-08 08:51:26,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1973 states, 1972 states have (on average 1.0278904665314401) internal successors, (2027), 1972 states have internal predecessors, (2027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:26,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1973 states and 2027 transitions. [2025-02-08 08:51:26,240 INFO L78 Accepts]: Start accepts. Automaton has 1973 states and 2027 transitions. Word has length 1320 [2025-02-08 08:51:26,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:26,241 INFO L471 AbstractCegarLoop]: Abstraction has 1973 states and 2027 transitions. [2025-02-08 08:51:26,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:26,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1973 states and 2027 transitions. [2025-02-08 08:51:26,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1654 [2025-02-08 08:51:26,253 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:26,254 INFO L218 NwaCegarLoop]: trace histogram [232, 232, 232, 232, 231, 231, 231, 6, 5, 5, 5, 3, 2, 2, 2, 1, 1] [2025-02-08 08:51:26,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-08 08:51:26,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-02-08 08:51:26,454 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 08:51:26,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:26,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1314178052, now seen corresponding path program 3 times [2025-02-08 08:51:26,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:26,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164923263] [2025-02-08 08:51:26,455 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:51:26,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:26,528 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 1653 statements into 187 equivalence classes. [2025-02-08 08:51:26,529 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 8 of 1653 statements. [2025-02-08 08:51:26,529 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-08 08:51:26,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:26,560 INFO L134 CoverageAnalysis]: Checked inductivity of 188333 backedges. 0 proven. 62414 refuted. 0 times theorem prover too weak. 125919 trivial. 0 not checked. [2025-02-08 08:51:26,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:26,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164923263] [2025-02-08 08:51:26,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164923263] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:51:26,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219149586] [2025-02-08 08:51:26,560 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:51:26,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:26,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:26,562 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:51:26,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 08:51:26,772 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 1653 statements into 187 equivalence classes. [2025-02-08 08:51:26,776 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 8 of 1653 statements. [2025-02-08 08:51:26,776 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-08 08:51:26,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:26,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 08:51:26,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:51:28,351 INFO L134 CoverageAnalysis]: Checked inductivity of 188333 backedges. 61490 proven. 924 refuted. 0 times theorem prover too weak. 125919 trivial. 0 not checked. [2025-02-08 08:51:28,352 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:51:29,571 INFO L134 CoverageAnalysis]: Checked inductivity of 188333 backedges. 0 proven. 62414 refuted. 0 times theorem prover too weak. 125919 trivial. 0 not checked. [2025-02-08 08:51:29,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219149586] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:51:29,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:51:29,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 11 [2025-02-08 08:51:29,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838485091] [2025-02-08 08:51:29,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:51:29,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 08:51:29,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:29,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 08:51:29,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2025-02-08 08:51:29,574 INFO L87 Difference]: Start difference. First operand 1973 states and 2027 transitions. Second operand has 13 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:29,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:29,679 INFO L93 Difference]: Finished difference Result 1973 states and 2027 transitions. [2025-02-08 08:51:29,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 08:51:29,680 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 states have internal predecessors, (107), 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 1653 [2025-02-08 08:51:29,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:29,682 INFO L225 Difference]: With dead ends: 1973 [2025-02-08 08:51:29,682 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 08:51:29,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3313 GetRequests, 3297 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2025-02-08 08:51:29,684 INFO L435 NwaCegarLoop]: 1 mSDtfsCounter, 14 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:29,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:51:29,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 08:51:29,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 08:51:29,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:29,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 08:51:29,687 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1653 [2025-02-08 08:51:29,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:29,687 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 08:51:29,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:29,688 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 08:51:29,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 08:51:29,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2025-02-08 08:51:29,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2025-02-08 08:51:29,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2025-02-08 08:51:29,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2025-02-08 08:51:29,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2025-02-08 08:51:29,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2025-02-08 08:51:29,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2025-02-08 08:51:29,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2025-02-08 08:51:29,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2025-02-08 08:51:29,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2025-02-08 08:51:29,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2025-02-08 08:51:29,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining) [2025-02-08 08:51:29,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2025-02-08 08:51:29,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2025-02-08 08:51:29,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2025-02-08 08:51:29,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2025-02-08 08:51:29,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2025-02-08 08:51:29,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2025-02-08 08:51:29,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2025-02-08 08:51:29,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2025-02-08 08:51:29,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-08 08:51:29,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-02-08 08:51:29,898 INFO L422 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:51:29,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 08:51:43,857 WARN L286 SmtUtils]: Spent 13.93s on a formula simplification. DAG size of input: 706 DAG size of output: 429 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2025-02-08 08:51:45,641 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 08:51:45,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 08:51:45 BoogieIcfgContainer [2025-02-08 08:51:45,655 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 08:51:45,656 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 08:51:45,656 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 08:51:45,656 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 08:51:45,657 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:51:10" (3/4) ... [2025-02-08 08:51:45,658 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 08:51:45,667 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-02-08 08:51:45,667 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 08:51:45,667 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 08:51:45,668 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 08:51:45,737 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 08:51:45,737 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 08:51:45,738 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 08:51:45,738 INFO L158 Benchmark]: Toolchain (without parser) took 35342.29ms. Allocated memory was 167.8MB in the beginning and 931.1MB in the end (delta: 763.4MB). Free memory was 133.6MB in the beginning and 835.7MB in the end (delta: -702.1MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2025-02-08 08:51:45,738 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:51:45,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159.61ms. Allocated memory is still 167.8MB. Free memory was 133.6MB in the beginning and 122.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:51:45,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.90ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 121.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:51:45,739 INFO L158 Benchmark]: Boogie Preprocessor took 33.92ms. Allocated memory is still 167.8MB. Free memory was 121.3MB in the beginning and 119.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:51:45,739 INFO L158 Benchmark]: IcfgBuilder took 297.39ms. Allocated memory is still 167.8MB. Free memory was 119.9MB in the beginning and 105.0MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 08:51:45,739 INFO L158 Benchmark]: TraceAbstraction took 34747.00ms. Allocated memory was 167.8MB in the beginning and 931.1MB in the end (delta: 763.4MB). Free memory was 104.1MB in the beginning and 839.5MB in the end (delta: -735.4MB). Peak memory consumption was 550.4MB. Max. memory is 16.1GB. [2025-02-08 08:51:45,739 INFO L158 Benchmark]: Witness Printer took 81.40ms. Allocated memory is still 931.1MB. Free memory was 839.5MB in the beginning and 835.7MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:51:45,740 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 159.61ms. Allocated memory is still 167.8MB. Free memory was 133.6MB in the beginning and 122.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 17.90ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 121.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.92ms. Allocated memory is still 167.8MB. Free memory was 121.3MB in the beginning and 119.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 297.39ms. Allocated memory is still 167.8MB. Free memory was 119.9MB in the beginning and 105.0MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 34747.00ms. Allocated memory was 167.8MB in the beginning and 931.1MB in the end (delta: 763.4MB). Free memory was 104.1MB in the beginning and 839.5MB in the end (delta: -735.4MB). Peak memory consumption was 550.4MB. Max. memory is 16.1GB. * Witness Printer took 81.40ms. Allocated memory is still 931.1MB. Free memory was 839.5MB in the beginning and 835.7MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 18.9s, OverallIterations: 15, TraceHistogramMax: 232, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2088 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2088 mSDsluCounter, 510 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 377 mSDsCounter, 114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1584 IncrementalHoareTripleChecker+Invalid, 1698 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 114 mSolverCounterUnsat, 133 mSDtfsCounter, 1584 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9166 GetRequests, 8846 SyntacticMatches, 0 SemanticMatches, 320 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5890 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1973occurred in iteration=14, InterpolantAutomatonStates: 227, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 752 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 11.2s InterpolantComputationTime, 9027 NumberOfCodeBlocks, 1981 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 13478 ConstructedInterpolants, 0 QuantifiedInterpolants, 47163 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2268 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 36 InterpolantComputations, 5 PerfectInterpolantSequences, 910283/1059466 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold - InvariantResult [Line: 47]: Location Invariant Derived location invariant: (((1000 <= n) && (i == 0)) && (j == 0)) - InvariantResult [Line: 44]: Location Invariant Derived location invariant: ((1000 <= n) && (i == 0)) - InvariantResult [Line: 27]: Location Invariant Derived location invariant: (((((i <= 999) && (0 <= j)) && (((long long) i + j) <= 2147482648)) && (0 <= i)) && (n == 1000)) - InvariantResult [Line: 49]: Location Invariant Derived location invariant: ((((1000 <= n) && (i == 0)) && (k == 0)) && (j == 0)) - InvariantResult [Line: 29]: Location Invariant Derived location invariant: ((((((((((((long long) i + j) + k) <= 2147483647) && (k <= 2147483643)) && (i <= 999)) && (0 <= j)) && (0 <= i)) && (1 <= k)) && (j <= 999)) && (n == 1000)) || ((((((i <= 999) && (0 <= j)) && (k == 0)) && (0 <= i)) && (j <= 999)) && (n == 1000))) - InvariantResult [Line: 24]: Location Invariant Derived location invariant: (((0 <= i) && (i <= 2147481649)) && (n == 1000)) RESULT: Ultimate proved your program to be correct! [2025-02-08 08:51:45,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE