./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-multidimensional/diff-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-multidimensional/diff-2-n-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 cb0d07e46dc94102f1a204dcfe0d8cca3d45653b0db7cea07d03c16ba8563271 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:20:03,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:20:03,651 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 13:20:03,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:20:03,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:20:03,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:20:03,699 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:20:03,699 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:20:03,704 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:20:03,704 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:20:03,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:20:03,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:20:03,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:20:03,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:20:03,706 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:20:03,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:20:03,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:20:03,706 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 13:20:03,706 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:20:03,706 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 13:20:03,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:20:03,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:20:03,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:20:03,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:20:03,710 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:20:03,710 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:20:03,710 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 13:20:03,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:20:03,711 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:20:03,711 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:20:03,711 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:20:03,711 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:20:03,711 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:20:03,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:20:03,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:20:03,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:20:03,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:20:03,711 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:20:03,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:20:03,711 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:20:03,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:20:03,711 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:20:03,711 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:20:03,711 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:20:03,711 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:20:03,711 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 -> cb0d07e46dc94102f1a204dcfe0d8cca3d45653b0db7cea07d03c16ba8563271 [2025-02-06 13:20:04,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:20:04,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:20:04,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:20:04,079 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:20:04,080 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:20:04,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/diff-2-n-u.c [2025-02-06 13:20:05,466 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d7d0aa43a/ab3057a1cc0b41a385020c55ecd4b71a/FLAGec1cfc335 [2025-02-06 13:20:05,735 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:20:05,736 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/array-multidimensional/diff-2-n-u.c [2025-02-06 13:20:05,750 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d7d0aa43a/ab3057a1cc0b41a385020c55ecd4b71a/FLAGec1cfc335 [2025-02-06 13:20:05,810 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d7d0aa43a/ab3057a1cc0b41a385020c55ecd4b71a [2025-02-06 13:20:05,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:20:05,822 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:20:05,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:20:05,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:20:05,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:20:05,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:20:05" (1/1) ... [2025-02-06 13:20:05,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c5746c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:05, skipping insertion in model container [2025-02-06 13:20:05,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:20:05" (1/1) ... [2025-02-06 13:20:05,848 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:20:05,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:20:06,008 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:20:06,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:20:06,052 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:20:06,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:06 WrapperNode [2025-02-06 13:20:06,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:20:06,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:20:06,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:20:06,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:20:06,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:06" (1/1) ... [2025-02-06 13:20:06,067 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:06" (1/1) ... [2025-02-06 13:20:06,089 INFO L138 Inliner]: procedures = 14, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2025-02-06 13:20:06,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:20:06,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:20:06,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:20:06,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:20:06,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:06" (1/1) ... [2025-02-06 13:20:06,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:06" (1/1) ... [2025-02-06 13:20:06,107 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:06" (1/1) ... [2025-02-06 13:20:06,118 INFO L175 MemorySlicer]: Split 12 memory accesses to 4 slices as follows [2, 4, 2, 4]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 5 writes are split as follows [0, 2, 1, 2]. [2025-02-06 13:20:06,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:06" (1/1) ... [2025-02-06 13:20:06,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:06" (1/1) ... [2025-02-06 13:20:06,132 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:06" (1/1) ... [2025-02-06 13:20:06,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:06" (1/1) ... [2025-02-06 13:20:06,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:06" (1/1) ... [2025-02-06 13:20:06,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:06" (1/1) ... [2025-02-06 13:20:06,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:20:06,140 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:20:06,143 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:20:06,144 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:20:06,145 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:06" (1/1) ... [2025-02-06 13:20:06,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:20:06,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:06,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 13:20:06,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 13:20:06,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 13:20:06,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 13:20:06,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 13:20:06,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 13:20:06,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 13:20:06,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 13:20:06,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 13:20:06,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 13:20:06,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 13:20:06,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 13:20:06,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:20:06,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:20:06,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 13:20:06,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 13:20:06,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 13:20:06,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 13:20:06,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 13:20:06,294 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:20:06,296 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:20:06,489 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L18: call ULTIMATE.dealloc(main_~#A~0#1.base, main_~#A~0#1.offset);havoc main_~#A~0#1.base, main_~#A~0#1.offset;call ULTIMATE.dealloc(main_~#B~0#1.base, main_~#B~0#1.offset);havoc main_~#B~0#1.base, main_~#B~0#1.offset;call ULTIMATE.dealloc(main_~#C~0#1.base, main_~#C~0#1.offset);havoc main_~#C~0#1.base, main_~#C~0#1.offset; [2025-02-06 13:20:06,513 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2025-02-06 13:20:06,513 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:20:06,526 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:20:06,526 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:20:06,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:20:06 BoogieIcfgContainer [2025-02-06 13:20:06,527 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:20:06,531 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:20:06,531 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:20:06,535 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:20:06,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:20:05" (1/3) ... [2025-02-06 13:20:06,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682ebbab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:20:06, skipping insertion in model container [2025-02-06 13:20:06,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:06" (2/3) ... [2025-02-06 13:20:06,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682ebbab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:20:06, skipping insertion in model container [2025-02-06 13:20:06,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:20:06" (3/3) ... [2025-02-06 13:20:06,539 INFO L128 eAbstractionObserver]: Analyzing ICFG diff-2-n-u.c [2025-02-06 13:20:06,553 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:20:06,555 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG diff-2-n-u.c that has 1 procedures, 49 locations, 1 initial locations, 8 loop locations, and 16 error locations. [2025-02-06 13:20:06,600 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:20:06,610 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;@3a9d899, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:20:06,611 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2025-02-06 13:20:06,614 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 32 states have (on average 1.78125) internal successors, (57), 48 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:06,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-06 13:20:06,618 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:06,618 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-06 13:20:06,618 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2025-02-06 13:20:06,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:06,623 INFO L85 PathProgramCache]: Analyzing trace with hash 83946999, now seen corresponding path program 1 times [2025-02-06 13:20:06,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:06,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432245196] [2025-02-06 13:20:06,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:06,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:06,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 13:20:06,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 13:20:06,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:06,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:06,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:20:06,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:06,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432245196] [2025-02-06 13:20:06,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432245196] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:20:06,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:20:06,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:20:06,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117789977] [2025-02-06 13:20:06,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:20:06,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:20:06,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:06,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:20:06,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:20:06,837 INFO L87 Difference]: Start difference. First operand has 49 states, 32 states have (on average 1.78125) internal successors, (57), 48 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2025-02-06 13:20:06,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:06,928 INFO L93 Difference]: Finished difference Result 86 states and 103 transitions. [2025-02-06 13:20:06,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:20:06,930 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 [2025-02-06 13:20:06,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:06,936 INFO L225 Difference]: With dead ends: 86 [2025-02-06 13:20:06,937 INFO L226 Difference]: Without dead ends: 58 [2025-02-06 13:20:06,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:20:06,942 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 10 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:06,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 65 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:06,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2025-02-06 13:20:06,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2025-02-06 13:20:06,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 42 states have (on average 1.6428571428571428) internal successors, (69), 57 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:06,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 69 transitions. [2025-02-06 13:20:06,973 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 69 transitions. Word has length 5 [2025-02-06 13:20:06,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:06,973 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 69 transitions. [2025-02-06 13:20:06,974 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) [2025-02-06 13:20:06,974 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2025-02-06 13:20:06,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-06 13:20:06,974 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:06,974 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-06 13:20:06,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 13:20:06,975 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2025-02-06 13:20:06,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:06,976 INFO L85 PathProgramCache]: Analyzing trace with hash 83947026, now seen corresponding path program 1 times [2025-02-06 13:20:06,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:06,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778107075] [2025-02-06 13:20:06,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:06,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:06,985 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 13:20:06,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 13:20:06,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:06,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:07,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:20:07,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:07,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778107075] [2025-02-06 13:20:07,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778107075] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:20:07,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:20:07,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:20:07,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701474960] [2025-02-06 13:20:07,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:20:07,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:20:07,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:07,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:20:07,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:20:07,056 INFO L87 Difference]: Start difference. First operand 58 states and 69 transitions. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:07,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:07,145 INFO L93 Difference]: Finished difference Result 114 states and 136 transitions. [2025-02-06 13:20:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:20:07,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-06 13:20:07,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:07,146 INFO L225 Difference]: With dead ends: 114 [2025-02-06 13:20:07,146 INFO L226 Difference]: Without dead ends: 58 [2025-02-06 13:20:07,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:20:07,148 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 72 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:07,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 57 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:07,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2025-02-06 13:20:07,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2025-02-06 13:20:07,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 57 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:07,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 65 transitions. [2025-02-06 13:20:07,157 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 65 transitions. Word has length 5 [2025-02-06 13:20:07,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:07,157 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 65 transitions. [2025-02-06 13:20:07,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:07,157 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2025-02-06 13:20:07,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-06 13:20:07,157 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:07,158 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:07,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 13:20:07,159 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2025-02-06 13:20:07,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:07,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1194100923, now seen corresponding path program 1 times [2025-02-06 13:20:07,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:07,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015179638] [2025-02-06 13:20:07,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:07,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:07,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 13:20:07,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 13:20:07,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:07,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:07,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:20:07,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:07,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015179638] [2025-02-06 13:20:07,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015179638] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:07,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528474541] [2025-02-06 13:20:07,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:07,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:07,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:07,288 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:07,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 13:20:07,358 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 13:20:07,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 13:20:07,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:07,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:07,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:20:07,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:07,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:20:07,421 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:20:07,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528474541] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:20:07,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:20:07,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-06 13:20:07,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524097703] [2025-02-06 13:20:07,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:20:07,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:20:07,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:07,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:20:07,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:20:07,422 INFO L87 Difference]: Start difference. First operand 58 states and 65 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) [2025-02-06 13:20:07,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:07,497 INFO L93 Difference]: Finished difference Result 58 states and 65 transitions. [2025-02-06 13:20:07,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:20:07,498 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 [2025-02-06 13:20:07,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:07,500 INFO L225 Difference]: With dead ends: 58 [2025-02-06 13:20:07,500 INFO L226 Difference]: Without dead ends: 54 [2025-02-06 13:20:07,500 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 [2025-02-06 13:20:07,501 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 17 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:07,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 73 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:07,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2025-02-06 13:20:07,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2025-02-06 13:20:07,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 53 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:07,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 61 transitions. [2025-02-06 13:20:07,511 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 61 transitions. Word has length 8 [2025-02-06 13:20:07,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:07,511 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 61 transitions. [2025-02-06 13:20:07,512 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) [2025-02-06 13:20:07,512 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2025-02-06 13:20:07,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-06 13:20:07,512 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:07,512 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:07,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 13:20:07,712 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 [2025-02-06 13:20:07,713 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2025-02-06 13:20:07,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:07,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1194100950, now seen corresponding path program 1 times [2025-02-06 13:20:07,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:07,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7732333] [2025-02-06 13:20:07,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:07,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:07,733 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 13:20:07,754 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 13:20:07,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:07,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:07,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:20:07,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:07,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7732333] [2025-02-06 13:20:07,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7732333] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:20:07,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:20:07,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:20:07,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389694609] [2025-02-06 13:20:07,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:20:07,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:20:07,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:07,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:20:07,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:20:07,844 INFO L87 Difference]: Start difference. First operand 54 states and 61 transitions. Second operand has 3 states, 2 states have (on average 4.0) 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) [2025-02-06 13:20:07,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:07,940 INFO L93 Difference]: Finished difference Result 106 states and 120 transitions. [2025-02-06 13:20:07,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:20:07,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) 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 [2025-02-06 13:20:07,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:07,941 INFO L225 Difference]: With dead ends: 106 [2025-02-06 13:20:07,941 INFO L226 Difference]: Without dead ends: 98 [2025-02-06 13:20:07,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:20:07,942 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 25 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:07,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 47 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:07,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2025-02-06 13:20:07,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2025-02-06 13:20:07,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 93 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:07,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 112 transitions. [2025-02-06 13:20:07,961 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 112 transitions. Word has length 8 [2025-02-06 13:20:07,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:07,961 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 112 transitions. [2025-02-06 13:20:07,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) 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) [2025-02-06 13:20:07,961 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2025-02-06 13:20:07,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-06 13:20:07,961 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:07,961 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2025-02-06 13:20:07,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 13:20:07,961 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2025-02-06 13:20:07,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:07,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1637577031, now seen corresponding path program 1 times [2025-02-06 13:20:07,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:07,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389158469] [2025-02-06 13:20:07,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:07,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:07,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 13:20:07,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 13:20:07,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:07,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:08,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:20:08,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:08,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389158469] [2025-02-06 13:20:08,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389158469] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:08,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126301664] [2025-02-06 13:20:08,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:08,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:08,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:08,052 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:08,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 13:20:08,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 13:20:08,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 13:20:08,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:08,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:08,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:20:08,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:08,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:20:08,107 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:20:08,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:20:08,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126301664] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:20:08,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:20:08,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-06 13:20:08,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941085293] [2025-02-06 13:20:08,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:20:08,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:20:08,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:08,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:20:08,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:20:08,126 INFO L87 Difference]: Start difference. First operand 94 states and 112 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) [2025-02-06 13:20:08,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:08,233 INFO L93 Difference]: Finished difference Result 182 states and 244 transitions. [2025-02-06 13:20:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:20:08,234 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 [2025-02-06 13:20:08,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:08,236 INFO L225 Difference]: With dead ends: 182 [2025-02-06 13:20:08,237 INFO L226 Difference]: Without dead ends: 178 [2025-02-06 13:20:08,237 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 [2025-02-06 13:20:08,238 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 72 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:08,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 60 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:08,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2025-02-06 13:20:08,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2025-02-06 13:20:08,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 166 states have (on average 1.3253012048192772) internal successors, (220), 177 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:08,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 220 transitions. [2025-02-06 13:20:08,262 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 220 transitions. Word has length 9 [2025-02-06 13:20:08,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:08,262 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 220 transitions. [2025-02-06 13:20:08,262 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) [2025-02-06 13:20:08,262 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 220 transitions. [2025-02-06 13:20:08,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 13:20:08,263 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:08,263 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 13:20:08,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 13:20:08,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:08,464 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2025-02-06 13:20:08,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:08,464 INFO L85 PathProgramCache]: Analyzing trace with hash -2122043121, now seen corresponding path program 1 times [2025-02-06 13:20:08,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:08,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863193028] [2025-02-06 13:20:08,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:08,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:08,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 13:20:08,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 13:20:08,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:08,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:08,531 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 13:20:08,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:08,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863193028] [2025-02-06 13:20:08,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863193028] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:08,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164925763] [2025-02-06 13:20:08,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:08,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:08,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:08,534 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:08,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 13:20:08,573 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 13:20:08,586 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 13:20:08,586 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:08,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:08,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:20:08,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:08,634 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 13:20:08,634 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:20:08,683 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 13:20:08,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164925763] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:20:08,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:20:08,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2025-02-06 13:20:08,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145788223] [2025-02-06 13:20:08,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:20:08,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:20:08,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:08,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:20:08,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:20:08,685 INFO L87 Difference]: Start difference. First operand 178 states and 220 transitions. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:09,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:09,057 INFO L93 Difference]: Finished difference Result 338 states and 416 transitions. [2025-02-06 13:20:09,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 13:20:09,057 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 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 [2025-02-06 13:20:09,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:09,058 INFO L225 Difference]: With dead ends: 338 [2025-02-06 13:20:09,058 INFO L226 Difference]: Without dead ends: 178 [2025-02-06 13:20:09,059 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 [2025-02-06 13:20:09,059 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 565 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:09,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 27 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:20:09,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2025-02-06 13:20:09,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 174. [2025-02-06 13:20:09,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 166 states have (on average 1.1566265060240963) internal successors, (192), 173 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:09,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 192 transitions. [2025-02-06 13:20:09,070 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 192 transitions. Word has length 15 [2025-02-06 13:20:09,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:09,070 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 192 transitions. [2025-02-06 13:20:09,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:09,070 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 192 transitions. [2025-02-06 13:20:09,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-06 13:20:09,071 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:09,071 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1] [2025-02-06 13:20:09,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 13:20:09,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:09,275 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2025-02-06 13:20:09,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:09,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1209885187, now seen corresponding path program 2 times [2025-02-06 13:20:09,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:09,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168213108] [2025-02-06 13:20:09,276 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:20:09,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:09,293 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 2 equivalence classes. [2025-02-06 13:20:09,299 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 18 statements. [2025-02-06 13:20:09,299 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 13:20:09,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:09,332 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-06 13:20:09,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:09,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168213108] [2025-02-06 13:20:09,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168213108] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:09,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654712134] [2025-02-06 13:20:09,336 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:20:09,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:09,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:09,338 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:09,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 13:20:09,396 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 2 equivalence classes. [2025-02-06 13:20:09,406 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 18 statements. [2025-02-06 13:20:09,406 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 13:20:09,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:09,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:20:09,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:09,435 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-06 13:20:09,436 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:20:09,480 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-06 13:20:09,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654712134] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:20:09,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:20:09,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-02-06 13:20:09,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357490068] [2025-02-06 13:20:09,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:20:09,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:20:09,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:09,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:20:09,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:20:09,482 INFO L87 Difference]: Start difference. First operand 174 states and 192 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:09,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:09,539 INFO L93 Difference]: Finished difference Result 174 states and 192 transitions. [2025-02-06 13:20:09,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:20:09,540 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 [2025-02-06 13:20:09,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:09,541 INFO L225 Difference]: With dead ends: 174 [2025-02-06 13:20:09,541 INFO L226 Difference]: Without dead ends: 170 [2025-02-06 13:20:09,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:20:09,542 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 80 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:09,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 58 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:20:09,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2025-02-06 13:20:09,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 150. [2025-02-06 13:20:09,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 146 states have (on average 1.1232876712328768) internal successors, (164), 149 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:09,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 164 transitions. [2025-02-06 13:20:09,558 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 164 transitions. Word has length 18 [2025-02-06 13:20:09,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:09,558 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 164 transitions. [2025-02-06 13:20:09,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:09,559 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 164 transitions. [2025-02-06 13:20:09,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-06 13:20:09,560 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:09,560 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1] [2025-02-06 13:20:09,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 13:20:09,764 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,SelfDestructingSolverStorable6 [2025-02-06 13:20:09,766 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2025-02-06 13:20:09,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:09,767 INFO L85 PathProgramCache]: Analyzing trace with hash 743644539, now seen corresponding path program 1 times [2025-02-06 13:20:09,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:09,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102739613] [2025-02-06 13:20:09,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:09,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:09,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 13:20:09,793 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 13:20:09,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:09,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:09,877 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 13:20:09,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:09,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102739613] [2025-02-06 13:20:09,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102739613] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:09,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214194687] [2025-02-06 13:20:09,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:09,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:09,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:09,881 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:09,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 13:20:09,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 13:20:09,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 13:20:09,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:09,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:09,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:20:09,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:10,040 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:20:10,040 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:20:10,116 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:20:10,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214194687] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:20:10,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:20:10,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 16 [2025-02-06 13:20:10,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820598092] [2025-02-06 13:20:10,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:20:10,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 13:20:10,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:10,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 13:20:10,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:20:10,117 INFO L87 Difference]: Start difference. First operand 150 states and 164 transitions. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:10,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:10,913 INFO L93 Difference]: Finished difference Result 608 states and 717 transitions. [2025-02-06 13:20:10,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-02-06 13:20:10,914 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 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 [2025-02-06 13:20:10,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:10,915 INFO L225 Difference]: With dead ends: 608 [2025-02-06 13:20:10,915 INFO L226 Difference]: Without dead ends: 474 [2025-02-06 13:20:10,916 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 [2025-02-06 13:20:10,917 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 1374 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1374 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:10,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1374 Valid, 43 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:20:10,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2025-02-06 13:20:10,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 474. [2025-02-06 13:20:10,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 470 states have (on average 1.053191489361702) internal successors, (495), 473 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:10,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 495 transitions. [2025-02-06 13:20:10,952 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 495 transitions. Word has length 34 [2025-02-06 13:20:10,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:10,952 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 495 transitions. [2025-02-06 13:20:10,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:10,952 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 495 transitions. [2025-02-06 13:20:10,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-06 13:20:10,957 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:10,957 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 3, 3, 3, 2, 1, 1, 1] [2025-02-06 13:20:10,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 13:20:11,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:11,158 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2025-02-06 13:20:11,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:11,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1518795384, now seen corresponding path program 2 times [2025-02-06 13:20:11,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:11,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528014095] [2025-02-06 13:20:11,159 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:20:11,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:11,217 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 104 statements into 2 equivalence classes. [2025-02-06 13:20:11,220 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 104 statements. [2025-02-06 13:20:11,220 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 13:20:11,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:11,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2025-02-06 13:20:11,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:11,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528014095] [2025-02-06 13:20:11,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528014095] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:11,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933659049] [2025-02-06 13:20:11,246 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:20:11,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:11,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:11,249 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:11,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 13:20:11,352 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 104 statements into 2 equivalence classes. [2025-02-06 13:20:11,360 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 104 statements. [2025-02-06 13:20:11,360 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 13:20:11,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:11,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:20:11,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:11,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2025-02-06 13:20:11,585 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:20:11,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2025-02-06 13:20:11,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933659049] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:20:11,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:20:11,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-02-06 13:20:11,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260090375] [2025-02-06 13:20:11,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:20:11,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:20:11,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:11,784 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:20:11,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:20:11,784 INFO L87 Difference]: Start difference. First operand 474 states and 495 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 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) [2025-02-06 13:20:11,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:11,872 INFO L93 Difference]: Finished difference Result 474 states and 495 transitions. [2025-02-06 13:20:11,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:20:11,873 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 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) Word has length 104 [2025-02-06 13:20:11,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:11,873 INFO L225 Difference]: With dead ends: 474 [2025-02-06 13:20:11,873 INFO L226 Difference]: Without dead ends: 0 [2025-02-06 13:20:11,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:20:11,875 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 75 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:11,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 19 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:11,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-06 13:20:11,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-06 13:20:11,876 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) [2025-02-06 13:20:11,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-06 13:20:11,876 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 104 [2025-02-06 13:20:11,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:11,876 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 13:20:11,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 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) [2025-02-06 13:20:11,876 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-06 13:20:11,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-06 13:20:11,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2025-02-06 13:20:11,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2025-02-06 13:20:11,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2025-02-06 13:20:11,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2025-02-06 13:20:11,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2025-02-06 13:20:11,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2025-02-06 13:20:11,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2025-02-06 13:20:11,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2025-02-06 13:20:11,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2025-02-06 13:20:11,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2025-02-06 13:20:11,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2025-02-06 13:20:11,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2025-02-06 13:20:11,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2025-02-06 13:20:11,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2025-02-06 13:20:11,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2025-02-06 13:20:11,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2025-02-06 13:20:11,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-06 13:20:12,081 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,SelfDestructingSolverStorable8 [2025-02-06 13:20:12,084 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1] [2025-02-06 13:20:12,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-06 13:20:13,391 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 13:20:13,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 01:20:13 BoogieIcfgContainer [2025-02-06 13:20:13,409 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 13:20:13,414 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 13:20:13,414 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 13:20:13,414 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 13:20:13,415 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:20:06" (3/4) ... [2025-02-06 13:20:13,417 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 13:20:13,424 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-02-06 13:20:13,424 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-06 13:20:13,424 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 13:20:13,425 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 13:20:13,520 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 13:20:13,521 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 13:20:13,522 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 13:20:13,522 INFO L158 Benchmark]: Toolchain (without parser) took 7700.73ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 106.1MB in the beginning and 128.0MB in the end (delta: -21.9MB). Peak memory consumption was 167.9MB. Max. memory is 16.1GB. [2025-02-06 13:20:13,523 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 13:20:13,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.39ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 95.1MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 13:20:13,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.01ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 93.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 13:20:13,524 INFO L158 Benchmark]: Boogie Preprocessor took 49.59ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 92.5MB in the end (delta: 942.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 13:20:13,524 INFO L158 Benchmark]: IcfgBuilder took 387.36ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 76.7MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 13:20:13,525 INFO L158 Benchmark]: TraceAbstraction took 6878.64ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 75.8MB in the beginning and 136.2MB in the end (delta: -60.4MB). Peak memory consumption was 161.7MB. Max. memory is 16.1GB. [2025-02-06 13:20:13,525 INFO L158 Benchmark]: Witness Printer took 107.78ms. Allocated memory is still 335.5MB. Free memory was 136.2MB in the beginning and 128.0MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 13:20:13,526 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 126.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.39ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 95.1MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.01ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 93.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.59ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 92.5MB in the end (delta: 942.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 387.36ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 76.7MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6878.64ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 75.8MB in the beginning and 136.2MB in the end (delta: -60.4MB). Peak memory consumption was 161.7MB. Max. memory is 16.1GB. * Witness Printer took 107.78ms. Allocated memory is still 335.5MB. Free memory was 136.2MB in the beginning and 128.0MB in the end (delta: 8.2MB). 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: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 9, TraceHistogramMax: 30, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2290 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2290 mSDsluCounter, 449 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 234 mSDsCounter, 490 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 866 IncrementalHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 490 mSolverCounterUnsat, 215 mSDtfsCounter, 866 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 424 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 524 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=474occurred in iteration=8, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 28 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 394 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 554 ConstructedInterpolants, 0 QuantifiedInterpolants, 1606 SizeOfPredicates, 4 NumberOfNonLiveVariables, 596 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 20 InterpolantComputations, 4 PerfectInterpolantSequences, 2580/4667 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 16 specifications checked. All of them hold - InvariantResult [Line: 67]: Location Invariant Derived location invariant: (((((m <= 1000) && (1 <= i)) && (i <= 2147483646)) && (n == 1500)) || (((m <= 1000) && (i == 0)) && (n == 1500))) - InvariantResult [Line: 38]: Location Invariant Derived location invariant: (((((m <= 1000) && (1 <= i)) && (i <= 2147483646)) && (n == 1500)) || (((m <= 1000) && (i == 0)) && (n == 1500))) - InvariantResult [Line: 26]: Location Invariant Derived location invariant: (((((((((m <= 1000) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (j <= 2147483646)) && (n == 1500)) || ((((m <= 1000) && (i == 0)) && (j == 0)) && (n == 1500))) || (((((m <= 1000) && (1 <= i)) && (i <= 999)) && (j == 0)) && (n == 1500))) || (((((m <= 1000) && (i == 0)) && (1 <= j)) && (j <= 2147483646)) && (n == 1500))) - InvariantResult [Line: 69]: Location Invariant Derived location invariant: (((((((((m <= 1000) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (j <= 2147483646)) && (n == 1500)) || ((((m <= 1000) && (i == 0)) && (j == 0)) && (n == 1500))) || (((((m <= 1000) && (1 <= i)) && (i <= 999)) && (j == 0)) && (n == 1500))) || (((((m <= 1000) && (i == 0)) && (1 <= j)) && (j <= 2147483646)) && (n == 1500))) - InvariantResult [Line: 24]: Location Invariant Derived location invariant: (((((m <= 1000) && (1 <= i)) && (i <= 2147483646)) && (n == 1500)) || (((m <= 1000) && (i == 0)) && (n == 1500))) - InvariantResult [Line: 53]: Location Invariant Derived location invariant: (((((m <= 1000) && (1 <= i)) && (i <= 2147483646)) && (n == 1500)) || (((m <= 1000) && (i == 0)) && (n == 1500))) - InvariantResult [Line: 40]: Location Invariant Derived location invariant: (((((((((m <= 1000) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (j <= 2147483646)) && (n == 1500)) || ((((m <= 1000) && (i == 0)) && (j == 0)) && (n == 1500))) || (((((m <= 1000) && (1 <= i)) && (i <= 999)) && (j == 0)) && (n == 1500))) || (((((m <= 1000) && (i == 0)) && (1 <= j)) && (j <= 2147483646)) && (n == 1500))) - InvariantResult [Line: 55]: Location Invariant Derived location invariant: (((((((((m <= 1000) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (j <= 2147483646)) && (n == 1500)) || ((((m <= 1000) && (i == 0)) && (j == 0)) && (n == 1500))) || (((((m <= 1000) && (1 <= i)) && (i <= 999)) && (j == 0)) && (n == 1500))) || (((((m <= 1000) && (i == 0)) && (1 <= j)) && (j <= 2147483646)) && (n == 1500))) RESULT: Ultimate proved your program to be correct! [2025-02-06 13:20:13,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE