./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-multidimensional/init-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-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 385b06dfd41f8b2cf291934cb4635d07bfe2a63001fa162165126d7b890c1d72 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:51:07,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:51:07,128 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 08:51:07,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:51:07,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:51:07,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:51:07,156 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:51:07,156 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:51:07,156 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:51:07,156 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:51:07,157 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:51:07,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:51:07,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:51:07,157 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:51:07,157 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:51:07,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:51:07,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 08:51:07,157 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:51:07,157 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:51:07,157 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:51:07,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:51:07,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 08:51:07,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:51:07,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 08:51:07,157 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 08:51:07,157 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:51:07,157 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:51:07,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 08:51:07,158 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:51:07,158 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:51:07,158 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:51:07,158 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:51:07,158 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:51:07,158 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:51:07,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:51:07,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:51:07,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:51:07,158 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 08:51:07,158 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 08:51:07,158 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:51:07,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:51:07,158 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:51:07,158 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:51:07,158 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:51:07,158 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:51:07,158 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 -> 385b06dfd41f8b2cf291934cb4635d07bfe2a63001fa162165126d7b890c1d72 [2025-02-08 08:51:07,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:51:07,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:51:07,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:51:07,427 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:51:07,427 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:51:07,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/init-3-u.c [2025-02-08 08:51:08,559 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4e49c2bca/0f40e0cbe13140e1a67fb15d503384b6/FLAG6b9aa5031 [2025-02-08 08:51:08,798 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:51:08,799 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-3-u.c [2025-02-08 08:51:08,813 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4e49c2bca/0f40e0cbe13140e1a67fb15d503384b6/FLAG6b9aa5031 [2025-02-08 08:51:09,133 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4e49c2bca/0f40e0cbe13140e1a67fb15d503384b6 [2025-02-08 08:51:09,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:51:09,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:51:09,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:51:09,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:51:09,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:51:09,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:51:09" (1/1) ... [2025-02-08 08:51:09,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a06e182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:09, skipping insertion in model container [2025-02-08 08:51:09,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:51:09" (1/1) ... [2025-02-08 08:51:09,155 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:51:09,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:51:09,281 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:51:09,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:51:09,312 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:51:09,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:09 WrapperNode [2025-02-08 08:51:09,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:51:09,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:51:09,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:51:09,314 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:51:09,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:09" (1/1) ... [2025-02-08 08:51:09,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:09" (1/1) ... [2025-02-08 08:51:09,339 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2025-02-08 08:51:09,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:51:09,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:51:09,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:51:09,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:51:09,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:09" (1/1) ... [2025-02-08 08:51:09,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:09" (1/1) ... [2025-02-08 08:51:09,347 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:09" (1/1) ... [2025-02-08 08:51:09,363 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 08:51:09,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:09" (1/1) ... [2025-02-08 08:51:09,365 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:09" (1/1) ... [2025-02-08 08:51:09,368 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:09" (1/1) ... [2025-02-08 08:51:09,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:09" (1/1) ... [2025-02-08 08:51:09,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:09" (1/1) ... [2025-02-08 08:51:09,374 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:09" (1/1) ... [2025-02-08 08:51:09,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:51:09,377 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:51:09,377 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:51:09,377 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:51:09,378 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:09" (1/1) ... [2025-02-08 08:51:09,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:51:09,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:09,407 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 08:51:09,412 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 08:51:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 08:51:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 08:51:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 08:51:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 08:51:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 08:51:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 08:51:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:51:09,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:51:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 08:51:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 08:51:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 08:51:09,481 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:51:09,482 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:51:09,623 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 08:51:09,624 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 08:51:09,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L51: assume !(1 + main_~k~0#1 <= 2147483647); [2025-02-08 08:51:09,624 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 08:51:09,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L51-1: assume 1 + main_~k~0#1 >= -2147483648; [2025-02-08 08:51:09,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L51-1: assume !(1 + main_~k~0#1 >= -2147483648); [2025-02-08 08:51:09,631 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2025-02-08 08:51:09,632 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:51:09,638 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:51:09,638 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:51:09,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:51:09 BoogieIcfgContainer [2025-02-08 08:51:09,639 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:51:09,640 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:51:09,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:51:09,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:51:09,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:51:09" (1/3) ... [2025-02-08 08:51:09,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc6b59e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:51:09, skipping insertion in model container [2025-02-08 08:51:09,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:51:09" (2/3) ... [2025-02-08 08:51:09,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc6b59e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:51:09, skipping insertion in model container [2025-02-08 08:51:09,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:51:09" (3/3) ... [2025-02-08 08:51:09,646 INFO L128 eAbstractionObserver]: Analyzing ICFG init-3-u.c [2025-02-08 08:51:09,656 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:51:09,658 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG init-3-u.c that has 1 procedures, 32 locations, 1 initial locations, 6 loop locations, and 12 error locations. [2025-02-08 08:51:09,704 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:51:09,715 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;@5ebf03a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:51:09,716 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2025-02-08 08:51:09,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 20 states have (on average 1.85) internal successors, (37), 31 states have internal predecessors, (37), 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 08:51:09,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-08 08:51:09,722 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:09,722 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-08 08:51:09,723 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:51:09,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:09,728 INFO L85 PathProgramCache]: Analyzing trace with hash 2246196, now seen corresponding path program 1 times [2025-02-08 08:51:09,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:09,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863122812] [2025-02-08 08:51:09,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:09,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:09,781 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 08:51:09,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 08:51:09,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:09,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:09,903 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 08:51:09,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:09,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863122812] [2025-02-08 08:51:09,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863122812] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:51:09,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:51:09,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:51:09,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674119774] [2025-02-08 08:51:09,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:51:09,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:51:09,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:09,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:51:09,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:51:09,926 INFO L87 Difference]: Start difference. First operand has 32 states, 20 states have (on average 1.85) internal successors, (37), 31 states have internal predecessors, (37), 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 08:51:10,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:10,014 INFO L93 Difference]: Finished difference Result 75 states and 93 transitions. [2025-02-08 08:51:10,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:51:10,016 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 08:51:10,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:10,020 INFO L225 Difference]: With dead ends: 75 [2025-02-08 08:51:10,020 INFO L226 Difference]: Without dead ends: 39 [2025-02-08 08:51:10,023 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 08:51:10,027 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 41 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:10,027 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 36 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:51:10,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2025-02-08 08:51:10,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2025-02-08 08:51:10,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 36 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:10,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2025-02-08 08:51:10,057 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 4 [2025-02-08 08:51:10,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:10,057 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2025-02-08 08:51:10,057 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 08:51:10,059 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2025-02-08 08:51:10,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 08:51:10,060 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:10,060 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 08:51:10,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 08:51:10,061 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:51:10,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:10,062 INFO L85 PathProgramCache]: Analyzing trace with hash 69631431, now seen corresponding path program 1 times [2025-02-08 08:51:10,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:10,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366550289] [2025-02-08 08:51:10,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:10,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:10,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 08:51:10,075 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 08:51:10,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:10,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:10,115 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 08:51:10,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:10,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366550289] [2025-02-08 08:51:10,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366550289] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:51:10,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:51:10,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:51:10,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608307525] [2025-02-08 08:51:10,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:51:10,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:51:10,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:10,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:51:10,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:51:10,117 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand has 3 states, 2 states have (on average 2.5) 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 08:51:10,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:10,139 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2025-02-08 08:51:10,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:51:10,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) 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 08:51:10,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:10,140 INFO L225 Difference]: With dead ends: 45 [2025-02-08 08:51:10,140 INFO L226 Difference]: Without dead ends: 43 [2025-02-08 08:51:10,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:51:10,141 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 1 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:10,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 48 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:51:10,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2025-02-08 08:51:10,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2025-02-08 08:51:10,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 33 states have (on average 1.5757575757575757) internal successors, (52), 42 states have internal predecessors, (52), 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 08:51:10,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 52 transitions. [2025-02-08 08:51:10,146 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 52 transitions. Word has length 5 [2025-02-08 08:51:10,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:10,146 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 52 transitions. [2025-02-08 08:51:10,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) 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 08:51:10,147 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2025-02-08 08:51:10,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-08 08:51:10,147 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:10,147 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2025-02-08 08:51:10,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 08:51:10,147 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:51:10,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:10,148 INFO L85 PathProgramCache]: Analyzing trace with hash -79238949, now seen corresponding path program 1 times [2025-02-08 08:51:10,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:10,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332534580] [2025-02-08 08:51:10,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:10,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:10,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 08:51:10,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 08:51:10,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:10,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:10,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:51:10,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:10,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332534580] [2025-02-08 08:51:10,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332534580] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:51:10,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346284575] [2025-02-08 08:51:10,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:10,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:10,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:10,251 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 08:51:10,253 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 08:51:10,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 08:51:10,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 08:51:10,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:10,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:10,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 08:51:10,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:51:10,333 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 08:51:10,333 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 08:51:10,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346284575] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:51:10,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 08:51:10,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-08 08:51:10,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997477791] [2025-02-08 08:51:10,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:51:10,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:51:10,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:10,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:51:10,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:51:10,334 INFO L87 Difference]: Start difference. First operand 43 states and 52 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:10,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:10,369 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2025-02-08 08:51:10,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:51:10,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-02-08 08:51:10,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:10,374 INFO L225 Difference]: With dead ends: 43 [2025-02-08 08:51:10,374 INFO L226 Difference]: Without dead ends: 42 [2025-02-08 08:51:10,374 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:51:10,375 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:10,375 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 68 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:51:10,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2025-02-08 08:51:10,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2025-02-08 08:51:10,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 33 states have (on average 1.5151515151515151) internal successors, (50), 41 states have internal predecessors, (50), 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 08:51:10,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2025-02-08 08:51:10,379 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 8 [2025-02-08 08:51:10,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:10,379 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2025-02-08 08:51:10,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:10,379 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2025-02-08 08:51:10,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-08 08:51:10,381 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:10,381 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:51:10,393 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 08:51:10,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:10,582 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:51:10,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:10,582 INFO L85 PathProgramCache]: Analyzing trace with hash -78438351, now seen corresponding path program 1 times [2025-02-08 08:51:10,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:10,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909898121] [2025-02-08 08:51:10,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:10,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:10,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 08:51:10,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 08:51:10,592 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:10,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:10,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:51:10,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:10,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909898121] [2025-02-08 08:51:10,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909898121] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:51:10,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:51:10,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:51:10,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087510461] [2025-02-08 08:51:10,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:51:10,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:51:10,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:10,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:51:10,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:51:10,661 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:10,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:10,699 INFO L93 Difference]: Finished difference Result 71 states and 86 transitions. [2025-02-08 08:51:10,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:51:10,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-02-08 08:51:10,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:10,699 INFO L225 Difference]: With dead ends: 71 [2025-02-08 08:51:10,699 INFO L226 Difference]: Without dead ends: 27 [2025-02-08 08:51:10,700 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 08:51:10,700 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 19 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:10,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 18 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:51:10,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2025-02-08 08:51:10,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2025-02-08 08:51:10,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 26 states have internal predecessors, (31), 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 08:51:10,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2025-02-08 08:51:10,706 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 8 [2025-02-08 08:51:10,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:10,706 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2025-02-08 08:51:10,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:10,706 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2025-02-08 08:51:10,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-08 08:51:10,706 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:10,706 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2025-02-08 08:51:10,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 08:51:10,706 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:51:10,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:10,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1838559881, now seen corresponding path program 1 times [2025-02-08 08:51:10,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:10,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000962059] [2025-02-08 08:51:10,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:10,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:10,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 08:51:10,716 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 08:51:10,716 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:10,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:51:10,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:10,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000962059] [2025-02-08 08:51:10,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000962059] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:51:10,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315560808] [2025-02-08 08:51:10,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:10,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:10,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:10,751 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 08:51:10,752 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 08:51:10,781 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 08:51:10,797 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 08:51:10,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:10,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:10,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 08:51:10,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:51:10,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:51:10,821 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:51:10,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:51:10,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315560808] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:51:10,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:51:10,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 08:51:10,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962749020] [2025-02-08 08:51:10,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:51:10,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 08:51:10,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:10,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 08:51:10,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 08:51:10,854 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:10,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:10,877 INFO L93 Difference]: Finished difference Result 46 states and 61 transitions. [2025-02-08 08:51:10,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:51:10,877 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-02-08 08:51:10,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:10,879 INFO L225 Difference]: With dead ends: 46 [2025-02-08 08:51:10,879 INFO L226 Difference]: Without dead ends: 45 [2025-02-08 08:51:10,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 08:51:10,880 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:10,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:51:10,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2025-02-08 08:51:10,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2025-02-08 08:51:10,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 40 states have (on average 1.375) internal successors, (55), 44 states have internal predecessors, (55), 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 08:51:10,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2025-02-08 08:51:10,884 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 9 [2025-02-08 08:51:10,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:10,885 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2025-02-08 08:51:10,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:10,885 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2025-02-08 08:51:10,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-08 08:51:10,885 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:10,885 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:51:10,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 08:51:11,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:11,089 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:51:11,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:11,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1625287837, now seen corresponding path program 1 times [2025-02-08 08:51:11,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:11,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137678044] [2025-02-08 08:51:11,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:11,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:11,094 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 08:51:11,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 08:51:11,098 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:11,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:11,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 08:51:11,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:11,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137678044] [2025-02-08 08:51:11,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137678044] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:51:11,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:51:11,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 08:51:11,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589102997] [2025-02-08 08:51:11,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:51:11,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:51:11,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:11,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:51:11,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:51:11,140 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 08:51:11,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:11,177 INFO L93 Difference]: Finished difference Result 89 states and 109 transitions. [2025-02-08 08:51:11,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:51:11,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2025-02-08 08:51:11,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:11,178 INFO L225 Difference]: With dead ends: 89 [2025-02-08 08:51:11,178 INFO L226 Difference]: Without dead ends: 87 [2025-02-08 08:51:11,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:51:11,179 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 4 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:11,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 23 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:51:11,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2025-02-08 08:51:11,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 84. [2025-02-08 08:51:11,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 79 states have (on average 1.3544303797468353) internal successors, (107), 83 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 08:51:11,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 107 transitions. [2025-02-08 08:51:11,194 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 107 transitions. Word has length 11 [2025-02-08 08:51:11,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:11,194 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 107 transitions. [2025-02-08 08:51:11,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 08:51:11,195 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 107 transitions. [2025-02-08 08:51:11,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-08 08:51:11,196 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:11,196 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-08 08:51:11,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 08:51:11,196 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:51:11,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:11,196 INFO L85 PathProgramCache]: Analyzing trace with hash -561433889, now seen corresponding path program 1 times [2025-02-08 08:51:11,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:11,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027959961] [2025-02-08 08:51:11,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:11,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:11,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 08:51:11,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 08:51:11,212 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:11,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:11,259 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 08:51:11,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:11,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027959961] [2025-02-08 08:51:11,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027959961] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:51:11,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982332016] [2025-02-08 08:51:11,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:11,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:11,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:11,268 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 08:51:11,271 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 08:51:11,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 08:51:11,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 08:51:11,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:11,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:11,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 08:51:11,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:51:11,356 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 08:51:11,356 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:51:11,393 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 08:51:11,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982332016] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:51:11,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:51:11,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 10 [2025-02-08 08:51:11,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613475372] [2025-02-08 08:51:11,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:51:11,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 08:51:11,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:11,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 08:51:11,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-02-08 08:51:11,396 INFO L87 Difference]: Start difference. First operand 84 states and 107 transitions. Second operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 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 08:51:11,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:11,573 INFO L93 Difference]: Finished difference Result 150 states and 191 transitions. [2025-02-08 08:51:11,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 08:51:11,574 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 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 08:51:11,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:11,574 INFO L225 Difference]: With dead ends: 150 [2025-02-08 08:51:11,574 INFO L226 Difference]: Without dead ends: 84 [2025-02-08 08:51:11,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2025-02-08 08:51:11,575 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 41 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:11,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 31 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:51:11,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2025-02-08 08:51:11,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 83. [2025-02-08 08:51:11,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 79 states have (on average 1.1772151898734178) internal successors, (93), 82 states have internal predecessors, (93), 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 08:51:11,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 93 transitions. [2025-02-08 08:51:11,582 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 93 transitions. Word has length 15 [2025-02-08 08:51:11,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:11,583 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 93 transitions. [2025-02-08 08:51:11,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 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 08:51:11,583 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2025-02-08 08:51:11,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-08 08:51:11,583 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:11,583 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1] [2025-02-08 08:51:11,590 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 08:51:11,784 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 08:51:11,784 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:51:11,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:11,785 INFO L85 PathProgramCache]: Analyzing trace with hash -2121249763, now seen corresponding path program 2 times [2025-02-08 08:51:11,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:11,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681940154] [2025-02-08 08:51:11,785 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:51:11,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:11,791 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 2 equivalence classes. [2025-02-08 08:51:11,794 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 18 statements. [2025-02-08 08:51:11,794 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:51:11,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:11,819 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-08 08:51:11,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:11,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681940154] [2025-02-08 08:51:11,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681940154] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:51:11,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064649187] [2025-02-08 08:51:11,820 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:51:11,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:11,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:11,822 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 08:51:11,825 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 08:51:11,859 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 2 equivalence classes. [2025-02-08 08:51:11,867 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 18 statements. [2025-02-08 08:51:11,867 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:51:11,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:11,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 08:51:11,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:51:11,892 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-08 08:51:11,893 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:51:11,920 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-08 08:51:11,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064649187] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:51:11,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:51:11,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2025-02-08 08:51:11,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546334211] [2025-02-08 08:51:11,921 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:51:11,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:51:11,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:11,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:51:11,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:51:11,921 INFO L87 Difference]: Start difference. First operand 83 states and 93 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:11,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:11,942 INFO L93 Difference]: Finished difference Result 83 states and 93 transitions. [2025-02-08 08:51:11,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 08:51:11,943 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2025-02-08 08:51:11,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:11,943 INFO L225 Difference]: With dead ends: 83 [2025-02-08 08:51:11,943 INFO L226 Difference]: Without dead ends: 82 [2025-02-08 08:51:11,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-08 08:51:11,944 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 18 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:11,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 24 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:51:11,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2025-02-08 08:51:11,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 74. [2025-02-08 08:51:11,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 71 states have (on average 1.1408450704225352) internal successors, (81), 73 states have internal predecessors, (81), 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 08:51:11,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2025-02-08 08:51:11,956 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 18 [2025-02-08 08:51:11,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:11,956 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2025-02-08 08:51:11,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:11,957 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2025-02-08 08:51:11,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-08 08:51:11,957 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:11,957 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 08:51:11,963 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 08:51:12,157 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 08:51:12,158 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:51:12,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:12,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1907459173, now seen corresponding path program 1 times [2025-02-08 08:51:12,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:12,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600468764] [2025-02-08 08:51:12,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:12,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:12,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 08:51:12,171 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 08:51:12,171 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:12,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:12,207 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-08 08:51:12,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:12,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600468764] [2025-02-08 08:51:12,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600468764] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:51:12,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869972189] [2025-02-08 08:51:12,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:12,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:12,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:12,210 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 08:51:12,211 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 08:51:12,240 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 08:51:12,253 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 08:51:12,254 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:12,254 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:12,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 08:51:12,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:51:12,338 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 08:51:12,338 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:51:12,402 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 08:51:12,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869972189] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:51:12,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:51:12,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 16 [2025-02-08 08:51:12,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612264428] [2025-02-08 08:51:12,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:51:12,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 08:51:12,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:12,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 08:51:12,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2025-02-08 08:51:12,407 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand has 16 states, 16 states have (on average 3.5) internal successors, (56), 16 states have internal predecessors, (56), 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 08:51:12,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:12,799 INFO L93 Difference]: Finished difference Result 272 states and 327 transitions. [2025-02-08 08:51:12,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-02-08 08:51:12,800 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.5) internal successors, (56), 16 states have internal predecessors, (56), 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 34 [2025-02-08 08:51:12,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:12,801 INFO L225 Difference]: With dead ends: 272 [2025-02-08 08:51:12,801 INFO L226 Difference]: Without dead ends: 214 [2025-02-08 08:51:12,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2025-02-08 08:51:12,802 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 78 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:12,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 26 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:51:12,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2025-02-08 08:51:12,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2025-02-08 08:51:12,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 211 states have (on average 1.0568720379146919) internal successors, (223), 213 states have internal predecessors, (223), 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 08:51:12,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 223 transitions. [2025-02-08 08:51:12,827 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 223 transitions. Word has length 34 [2025-02-08 08:51:12,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:12,827 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 223 transitions. [2025-02-08 08:51:12,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.5) internal successors, (56), 16 states have internal predecessors, (56), 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 08:51:12,827 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 223 transitions. [2025-02-08 08:51:12,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-08 08:51:12,829 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:12,829 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 3, 3, 3, 2, 1, 1, 1] [2025-02-08 08:51:12,836 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 08:51:13,029 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 08:51:13,030 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:51:13,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:13,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1308326552, now seen corresponding path program 2 times [2025-02-08 08:51:13,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:13,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718475648] [2025-02-08 08:51:13,030 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:51:13,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:13,045 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 104 statements into 2 equivalence classes. [2025-02-08 08:51:13,047 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 104 statements. [2025-02-08 08:51:13,047 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:51:13,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:13,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2025-02-08 08:51:13,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:13,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718475648] [2025-02-08 08:51:13,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718475648] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:51:13,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029638056] [2025-02-08 08:51:13,063 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:51:13,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:13,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:13,065 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 08:51:13,068 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 08:51:13,119 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 104 statements into 2 equivalence classes. [2025-02-08 08:51:13,125 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 104 statements. [2025-02-08 08:51:13,125 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:51:13,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:13,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 08:51:13,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:51:13,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2025-02-08 08:51:13,244 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:51:13,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2025-02-08 08:51:13,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029638056] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:51:13,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:51:13,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2025-02-08 08:51:13,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545057230] [2025-02-08 08:51:13,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:51:13,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:51:13,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:13,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:51:13,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:51:13,347 INFO L87 Difference]: Start difference. First operand 214 states and 223 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:13,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:13,370 INFO L93 Difference]: Finished difference Result 214 states and 223 transitions. [2025-02-08 08:51:13,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 08:51:13,371 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2025-02-08 08:51:13,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:13,372 INFO L225 Difference]: With dead ends: 214 [2025-02-08 08:51:13,372 INFO L226 Difference]: Without dead ends: 213 [2025-02-08 08:51:13,372 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-08 08:51:13,373 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 10 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:13,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 17 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:51:13,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2025-02-08 08:51:13,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 147. [2025-02-08 08:51:13,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 145 states have (on average 1.0551724137931036) internal successors, (153), 146 states have internal predecessors, (153), 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 08:51:13,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 153 transitions. [2025-02-08 08:51:13,393 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 153 transitions. Word has length 104 [2025-02-08 08:51:13,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:13,393 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 153 transitions. [2025-02-08 08:51:13,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:13,393 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 153 transitions. [2025-02-08 08:51:13,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-02-08 08:51:13,396 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:13,396 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1] [2025-02-08 08:51:13,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 08:51:13,600 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 08:51:13,600 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:51:13,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:13,600 INFO L85 PathProgramCache]: Analyzing trace with hash 894832907, now seen corresponding path program 1 times [2025-02-08 08:51:13,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:13,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688162716] [2025-02-08 08:51:13,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:13,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:13,616 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-02-08 08:51:13,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-02-08 08:51:13,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:13,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:13,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2535 backedges. 0 proven. 1303 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2025-02-08 08:51:13,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:13,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688162716] [2025-02-08 08:51:13,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688162716] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:51:13,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335569933] [2025-02-08 08:51:13,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:13,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:13,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:13,801 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 08:51:13,803 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 08:51:13,853 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-02-08 08:51:13,898 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-02-08 08:51:13,898 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:13,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:13,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 08:51:13,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:51:14,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2535 backedges. 969 proven. 145 refuted. 0 times theorem prover too weak. 1421 trivial. 0 not checked. [2025-02-08 08:51:14,129 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:51:14,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2535 backedges. 969 proven. 145 refuted. 0 times theorem prover too weak. 1421 trivial. 0 not checked. [2025-02-08 08:51:14,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335569933] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:51:14,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:51:14,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 13, 13] total 27 [2025-02-08 08:51:14,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575513246] [2025-02-08 08:51:14,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:51:14,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-02-08 08:51:14,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:14,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-02-08 08:51:14,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2025-02-08 08:51:14,330 INFO L87 Difference]: Start difference. First operand 147 states and 153 transitions. Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 27 states have internal predecessors, (102), 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 08:51:15,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:15,107 INFO L93 Difference]: Finished difference Result 403 states and 463 transitions. [2025-02-08 08:51:15,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-02-08 08:51:15,107 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 27 states have internal predecessors, (102), 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 144 [2025-02-08 08:51:15,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:15,108 INFO L225 Difference]: With dead ends: 403 [2025-02-08 08:51:15,109 INFO L226 Difference]: Without dead ends: 290 [2025-02-08 08:51:15,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1549, Invalid=3853, Unknown=0, NotChecked=0, Total=5402 [2025-02-08 08:51:15,113 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 96 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:15,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 25 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 08:51:15,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2025-02-08 08:51:15,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2025-02-08 08:51:15,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 289 states have (on average 1.0242214532871972) internal successors, (296), 289 states have internal predecessors, (296), 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 08:51:15,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 296 transitions. [2025-02-08 08:51:15,138 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 296 transitions. Word has length 144 [2025-02-08 08:51:15,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:15,138 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 296 transitions. [2025-02-08 08:51:15,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 27 states have internal predecessors, (102), 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 08:51:15,138 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 296 transitions. [2025-02-08 08:51:15,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2025-02-08 08:51:15,145 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:15,145 INFO L218 NwaCegarLoop]: trace histogram [88, 88, 88, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1] [2025-02-08 08:51:15,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 08:51:15,345 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 08:51:15,346 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:51:15,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:15,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1627852369, now seen corresponding path program 1 times [2025-02-08 08:51:15,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:15,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232486812] [2025-02-08 08:51:15,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:15,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:15,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 289 statements into 1 equivalence classes. [2025-02-08 08:51:15,424 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 289 of 289 statements. [2025-02-08 08:51:15,424 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:15,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:15,688 INFO L134 CoverageAnalysis]: Checked inductivity of 11872 backedges. 0 proven. 6008 refuted. 0 times theorem prover too weak. 5864 trivial. 0 not checked. [2025-02-08 08:51:15,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:15,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232486812] [2025-02-08 08:51:15,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232486812] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:51:15,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179021938] [2025-02-08 08:51:15,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:51:15,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:15,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:15,692 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 08:51:15,694 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 08:51:15,784 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 289 statements into 1 equivalence classes. [2025-02-08 08:51:15,873 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 289 of 289 statements. [2025-02-08 08:51:15,874 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:51:15,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:15,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-08 08:51:15,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:51:16,380 INFO L134 CoverageAnalysis]: Checked inductivity of 11872 backedges. 4497 proven. 715 refuted. 0 times theorem prover too weak. 6660 trivial. 0 not checked. [2025-02-08 08:51:16,380 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:51:16,904 INFO L134 CoverageAnalysis]: Checked inductivity of 11872 backedges. 4497 proven. 715 refuted. 0 times theorem prover too weak. 6660 trivial. 0 not checked. [2025-02-08 08:51:16,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179021938] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:51:16,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:51:16,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 25, 25] total 51 [2025-02-08 08:51:16,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908722466] [2025-02-08 08:51:16,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:51:16,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2025-02-08 08:51:16,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:16,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2025-02-08 08:51:16,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1184, Invalid=1468, Unknown=0, NotChecked=0, Total=2652 [2025-02-08 08:51:16,907 INFO L87 Difference]: Start difference. First operand 290 states and 296 transitions. Second operand has 52 states, 52 states have (on average 3.3653846153846154) internal successors, (175), 51 states have internal predecessors, (175), 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 08:51:19,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:19,929 INFO L93 Difference]: Finished difference Result 1086 states and 1245 transitions. [2025-02-08 08:51:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2025-02-08 08:51:19,930 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 3.3653846153846154) internal successors, (175), 51 states have internal predecessors, (175), 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 289 [2025-02-08 08:51:19,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:19,933 INFO L225 Difference]: With dead ends: 1086 [2025-02-08 08:51:19,934 INFO L226 Difference]: Without dead ends: 866 [2025-02-08 08:51:19,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 695 GetRequests, 528 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9180 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=9913, Invalid=18479, Unknown=0, NotChecked=0, Total=28392 [2025-02-08 08:51:19,943 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 250 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:19,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 17 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 08:51:19,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2025-02-08 08:51:19,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866. [2025-02-08 08:51:19,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 865 states have (on average 1.0115606936416186) internal successors, (875), 865 states have internal predecessors, (875), 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 08:51:19,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 875 transitions. [2025-02-08 08:51:19,984 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 875 transitions. Word has length 289 [2025-02-08 08:51:19,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:19,985 INFO L471 AbstractCegarLoop]: Abstraction has 866 states and 875 transitions. [2025-02-08 08:51:19,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.3653846153846154) internal successors, (175), 51 states have internal predecessors, (175), 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 08:51:19,985 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 875 transitions. [2025-02-08 08:51:20,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 866 [2025-02-08 08:51:20,001 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:51:20,002 INFO L218 NwaCegarLoop]: trace histogram [276, 276, 276, 6, 6, 6, 6, 3, 3, 3, 2, 1, 1] [2025-02-08 08:51:20,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-08 08:51:20,202 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 08:51:20,203 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-08 08:51:20,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:51:20,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1342927532, now seen corresponding path program 2 times [2025-02-08 08:51:20,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:51:20,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174237383] [2025-02-08 08:51:20,203 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:51:20,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:51:20,288 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 865 statements into 2 equivalence classes. [2025-02-08 08:51:20,289 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 5 of 865 statements. [2025-02-08 08:51:20,289 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:51:20,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:20,312 INFO L134 CoverageAnalysis]: Checked inductivity of 115596 backedges. 0 proven. 51566 refuted. 0 times theorem prover too weak. 64030 trivial. 0 not checked. [2025-02-08 08:51:20,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:51:20,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174237383] [2025-02-08 08:51:20,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174237383] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:51:20,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473307157] [2025-02-08 08:51:20,314 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:51:20,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:51:20,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:51:20,316 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 08:51:20,318 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 08:51:20,499 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 865 statements into 2 equivalence classes. [2025-02-08 08:51:20,505 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 5 of 865 statements. [2025-02-08 08:51:20,505 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:51:20,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:51:20,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 08:51:20,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:51:21,196 INFO L134 CoverageAnalysis]: Checked inductivity of 115596 backedges. 0 proven. 51566 refuted. 0 times theorem prover too weak. 64030 trivial. 0 not checked. [2025-02-08 08:51:21,197 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:51:21,837 INFO L134 CoverageAnalysis]: Checked inductivity of 115596 backedges. 0 proven. 51566 refuted. 0 times theorem prover too weak. 64030 trivial. 0 not checked. [2025-02-08 08:51:21,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473307157] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:51:21,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:51:21,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2025-02-08 08:51:21,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105441451] [2025-02-08 08:51:21,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:51:21,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:51:21,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:51:21,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:51:21,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:51:21,839 INFO L87 Difference]: Start difference. First operand 866 states and 875 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:21,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:51:21,889 INFO L93 Difference]: Finished difference Result 866 states and 875 transitions. [2025-02-08 08:51:21,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:51:21,889 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 865 [2025-02-08 08:51:21,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:51:21,891 INFO L225 Difference]: With dead ends: 866 [2025-02-08 08:51:21,891 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 08:51:21,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1732 GetRequests, 1726 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-08 08:51:21,893 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:51:21,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:51:21,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 08:51:21,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 08:51:21,894 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 08:51:21,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 08:51:21,894 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 865 [2025-02-08 08:51:21,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:51:21,895 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 08:51:21,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:51:21,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 08:51:21,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 08:51:21,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2025-02-08 08:51:21,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2025-02-08 08:51:21,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2025-02-08 08:51:21,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2025-02-08 08:51:21,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2025-02-08 08:51:21,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2025-02-08 08:51:21,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2025-02-08 08:51:21,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2025-02-08 08:51:21,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2025-02-08 08:51:21,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2025-02-08 08:51:21,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2025-02-08 08:51:21,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2025-02-08 08:51:21,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 08:51:22,101 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 08:51:22,103 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:51:22,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 08:51:27,850 WARN L286 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 465 DAG size of output: 406 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2025-02-08 08:51:29,920 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 08:51:29,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 08:51:29 BoogieIcfgContainer [2025-02-08 08:51:29,933 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 08:51:29,933 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 08:51:29,933 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 08:51:29,934 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 08:51:29,934 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:51:09" (3/4) ... [2025-02-08 08:51:29,936 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 08:51:29,945 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-02-08 08:51:29,945 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 08:51:29,946 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 08:51:29,946 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 08:51:30,013 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 08:51:30,014 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 08:51:30,014 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 08:51:30,017 INFO L158 Benchmark]: Toolchain (without parser) took 20879.39ms. Allocated memory was 142.6MB in the beginning and 796.9MB in the end (delta: 654.3MB). Free memory was 114.2MB in the beginning and 345.7MB in the end (delta: -231.6MB). Peak memory consumption was 417.2MB. Max. memory is 16.1GB. [2025-02-08 08:51:30,017 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:51:30,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.37ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 103.5MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:51:30,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.10ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:51:30,017 INFO L158 Benchmark]: Boogie Preprocessor took 34.32ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 101.1MB in the end (delta: 956.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:51:30,018 INFO L158 Benchmark]: IcfgBuilder took 262.22ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 87.5MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 08:51:30,018 INFO L158 Benchmark]: TraceAbstraction took 20292.19ms. Allocated memory was 142.6MB in the beginning and 796.9MB in the end (delta: 654.3MB). Free memory was 86.6MB in the beginning and 354.1MB in the end (delta: -267.6MB). Peak memory consumption was 465.6MB. Max. memory is 16.1GB. [2025-02-08 08:51:30,018 INFO L158 Benchmark]: Witness Printer took 81.17ms. Allocated memory is still 796.9MB. Free memory was 354.1MB in the beginning and 345.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:51:30,019 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 176.37ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 103.5MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.10ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.32ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 101.1MB in the end (delta: 956.0kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 262.22ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 87.5MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 20292.19ms. Allocated memory was 142.6MB in the beginning and 796.9MB in the end (delta: 654.3MB). Free memory was 86.6MB in the beginning and 354.1MB in the end (delta: -267.6MB). Peak memory consumption was 465.6MB. Max. memory is 16.1GB. * Witness Printer took 81.17ms. Allocated memory is still 796.9MB. Free memory was 354.1MB in the beginning and 345.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 12.4s, OverallIterations: 13, TraceHistogramMax: 276, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 559 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 559 mSDsluCounter, 362 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 216 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 730 IncrementalHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 146 mSDtfsCounter, 730 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3184 GetRequests, 2854 SyntacticMatches, 0 SemanticMatches, 330 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10960 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=866occurred in iteration=12, InterpolantAutomatonStates: 278, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 80 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 3000 NumberOfCodeBlocks, 1060 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 4448 ConstructedInterpolants, 0 QuantifiedInterpolants, 12576 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1846 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 30 InterpolantComputations, 5 PerfectInterpolantSequences, 228862/394678 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 12 specifications checked. All of them hold - InvariantResult [Line: 47]: Location Invariant Derived location invariant: ((1000 <= n) && (j == 0)) - InvariantResult [Line: 44]: Location Invariant Derived location invariant: (1000 <= n) - InvariantResult [Line: 27]: Location Invariant Derived location invariant: ((((((((1 <= i) && (1 <= j)) && (i <= 999)) && (j <= 2147483646)) && (n == 1000)) || ((((i == 0) && (1 <= j)) && (j <= 2147483646)) && (n == 1000))) || (((i == 0) && (j == 0)) && (n == 1000))) || ((((1 <= i) && (i <= 999)) && (j == 0)) && (n == 1000))) - InvariantResult [Line: 49]: Location Invariant Derived location invariant: (((1000 <= n) && (k == 0)) && (j == 0)) - InvariantResult [Line: 29]: Location Invariant Derived location invariant: (((((((((((((1 <= i) && (i <= 999)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1000)) || ((((((1 <= i) && (1 <= j)) && (i <= 999)) && (k == 0)) && (j <= 999)) && (n == 1000))) || (((((((1 <= i) && (1 <= j)) && (i <= 999)) && (k <= 2147483646)) && (1 <= k)) && (j <= 999)) && (n == 1000))) || ((((((i == 0) && (1 <= j)) && (k <= 2147483646)) && (1 <= k)) && (j <= 999)) && (n == 1000))) || (((((i == 0) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1000))) || (((((1 <= i) && (i <= 999)) && (k == 0)) && (j == 0)) && (n == 1000))) || (((((i == 0) && (1 <= j)) && (k == 0)) && (j <= 999)) && (n == 1000))) || ((((i == 0) && (k == 0)) && (j == 0)) && (n == 1000))) - InvariantResult [Line: 24]: Location Invariant Derived location invariant: (((i == 0) && (n == 1000)) || (((1 <= i) && (i <= 2147483646)) && (n == 1000))) RESULT: Ultimate proved your program to be correct! [2025-02-08 08:51:30,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE