./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_16_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_16_good.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 64bit --witnessprinter.graph.data.programhash 1fdcc21adcd4d768748bf56a48adfed2fafe53705c902120cd7691f602bce942 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 15:17:07,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 15:17:07,807 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-13 15:17:07,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 15:17:07,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 15:17:07,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 15:17:07,836 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 15:17:07,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 15:17:07,838 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 15:17:07,839 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 15:17:07,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 15:17:07,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 15:17:07,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 15:17:07,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 15:17:07,841 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 15:17:07,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 15:17:07,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 15:17:07,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 15:17:07,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 15:17:07,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 15:17:07,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 15:17:07,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 15:17:07,847 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 15:17:07,847 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 15:17:07,847 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 15:17:07,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 15:17:07,848 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 15:17:07,849 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 15:17:07,849 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 15:17:07,849 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 15:17:07,850 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 15:17:07,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:17:07,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 15:17:07,851 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 15:17:07,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 15:17:07,852 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 15:17:07,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 15:17:07,853 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 15:17:07,854 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 15:17:07,854 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 15:17:07,854 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 15:17:07,854 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fdcc21adcd4d768748bf56a48adfed2fafe53705c902120cd7691f602bce942 [2024-10-13 15:17:08,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 15:17:08,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 15:17:08,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 15:17:08,155 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 15:17:08,155 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 15:17:08,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_16_good.i [2024-10-13 15:17:09,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 15:17:09,906 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 15:17:09,908 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_16_good.i [2024-10-13 15:17:09,930 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f5403d5e/6f87599303944c34bd49227840121a75/FLAGdce3f433a [2024-10-13 15:17:10,116 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f5403d5e/6f87599303944c34bd49227840121a75 [2024-10-13 15:17:10,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 15:17:10,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 15:17:10,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 15:17:10,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 15:17:10,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 15:17:10,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:17:10" (1/1) ... [2024-10-13 15:17:10,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e063b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:10, skipping insertion in model container [2024-10-13 15:17:10,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:17:10" (1/1) ... [2024-10-13 15:17:10,189 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 15:17:10,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:17:10,946 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 15:17:11,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 15:17:11,215 INFO L204 MainTranslator]: Completed translation [2024-10-13 15:17:11,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:11 WrapperNode [2024-10-13 15:17:11,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 15:17:11,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 15:17:11,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 15:17:11,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 15:17:11,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:11" (1/1) ... [2024-10-13 15:17:11,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:11" (1/1) ... [2024-10-13 15:17:11,278 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 130 [2024-10-13 15:17:11,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 15:17:11,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 15:17:11,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 15:17:11,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 15:17:11,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:11" (1/1) ... [2024-10-13 15:17:11,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:11" (1/1) ... [2024-10-13 15:17:11,291 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:11" (1/1) ... [2024-10-13 15:17:11,305 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 15:17:11,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:11" (1/1) ... [2024-10-13 15:17:11,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:11" (1/1) ... [2024-10-13 15:17:11,311 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:11" (1/1) ... [2024-10-13 15:17:11,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:11" (1/1) ... [2024-10-13 15:17:11,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:11" (1/1) ... [2024-10-13 15:17:11,321 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:11" (1/1) ... [2024-10-13 15:17:11,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 15:17:11,324 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 15:17:11,324 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 15:17:11,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 15:17:11,325 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:11" (1/1) ... [2024-10-13 15:17:11,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 15:17:11,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 15:17:11,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 15:17:11,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 15:17:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-13 15:17:11,401 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-13 15:17:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 15:17:11,401 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 15:17:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 15:17:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 15:17:11,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 15:17:11,522 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 15:17:11,524 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 15:17:11,740 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-10-13 15:17:11,740 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 15:17:11,774 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 15:17:11,775 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-13 15:17:11,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:17:11 BoogieIcfgContainer [2024-10-13 15:17:11,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 15:17:11,778 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 15:17:11,779 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 15:17:11,782 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 15:17:11,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:17:10" (1/3) ... [2024-10-13 15:17:11,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@751f5e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:17:11, skipping insertion in model container [2024-10-13 15:17:11,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:11" (2/3) ... [2024-10-13 15:17:11,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@751f5e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:17:11, skipping insertion in model container [2024-10-13 15:17:11,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:17:11" (3/3) ... [2024-10-13 15:17:11,785 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_16_good.i [2024-10-13 15:17:11,801 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 15:17:11,801 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-13 15:17:11,855 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 15:17:11,861 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;@326b1ca3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 15:17:11,861 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-13 15:17:11,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 45 states have (on average 1.6444444444444444) internal successors, (74), 49 states have internal predecessors, (74), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 15:17:11,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-13 15:17:11,872 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:17:11,873 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:17:11,873 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 15:17:11,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:17:11,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1371097297, now seen corresponding path program 1 times [2024-10-13 15:17:11,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:17:11,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950815145] [2024-10-13 15:17:11,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:11,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:17:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:12,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:17:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:12,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:17:12,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:17:12,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950815145] [2024-10-13 15:17:12,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950815145] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:17:12,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:17:12,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 15:17:12,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144415448] [2024-10-13 15:17:12,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:17:12,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 15:17:12,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:17:12,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 15:17:12,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 15:17:12,100 INFO L87 Difference]: Start difference. First operand has 57 states, 45 states have (on average 1.6444444444444444) internal successors, (74), 49 states have internal predecessors, (74), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:17:12,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:17:12,131 INFO L93 Difference]: Finished difference Result 88 states and 126 transitions. [2024-10-13 15:17:12,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 15:17:12,134 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-10-13 15:17:12,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:17:12,141 INFO L225 Difference]: With dead ends: 88 [2024-10-13 15:17:12,142 INFO L226 Difference]: Without dead ends: 51 [2024-10-13 15:17:12,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 15:17:12,147 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:17:12,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:17:12,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-10-13 15:17:12,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-10-13 15:17:12,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 45 states have internal predecessors, (61), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 15:17:12,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 67 transitions. [2024-10-13 15:17:12,188 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 67 transitions. Word has length 12 [2024-10-13 15:17:12,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:17:12,189 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 67 transitions. [2024-10-13 15:17:12,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:17:12,189 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2024-10-13 15:17:12,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-13 15:17:12,190 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:17:12,190 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:17:12,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 15:17:12,190 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 15:17:12,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:17:12,191 INFO L85 PathProgramCache]: Analyzing trace with hash -877875941, now seen corresponding path program 1 times [2024-10-13 15:17:12,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:17:12,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655868674] [2024-10-13 15:17:12,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:12,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:17:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:12,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:17:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:12,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:17:12,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:17:12,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655868674] [2024-10-13 15:17:12,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655868674] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:17:12,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:17:12,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 15:17:12,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281749298] [2024-10-13 15:17:12,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:17:12,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:17:12,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:17:12,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:17:12,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:17:12,323 INFO L87 Difference]: Start difference. First operand 51 states and 67 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:17:12,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:17:12,364 INFO L93 Difference]: Finished difference Result 51 states and 67 transitions. [2024-10-13 15:17:12,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:17:12,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-10-13 15:17:12,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:17:12,366 INFO L225 Difference]: With dead ends: 51 [2024-10-13 15:17:12,366 INFO L226 Difference]: Without dead ends: 50 [2024-10-13 15:17:12,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:17:12,367 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 1 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:17:12,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 113 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:17:12,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-13 15:17:12,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-13 15:17:12,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 44 states have internal predecessors, (60), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 15:17:12,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 66 transitions. [2024-10-13 15:17:12,410 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 66 transitions. Word has length 18 [2024-10-13 15:17:12,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:17:12,411 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 66 transitions. [2024-10-13 15:17:12,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:17:12,411 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2024-10-13 15:17:12,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-13 15:17:12,412 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:17:12,413 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:17:12,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 15:17:12,414 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 15:17:12,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:17:12,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1444350242, now seen corresponding path program 1 times [2024-10-13 15:17:12,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:17:12,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412737383] [2024-10-13 15:17:12,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:12,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:17:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:12,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:17:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:12,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:17:12,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:17:12,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412737383] [2024-10-13 15:17:12,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412737383] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:17:12,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:17:12,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 15:17:12,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554219069] [2024-10-13 15:17:12,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:17:12,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:17:12,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:17:12,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:17:12,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:17:12,550 INFO L87 Difference]: Start difference. First operand 50 states and 66 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:17:12,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:17:12,582 INFO L93 Difference]: Finished difference Result 50 states and 66 transitions. [2024-10-13 15:17:12,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:17:12,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-10-13 15:17:12,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:17:12,585 INFO L225 Difference]: With dead ends: 50 [2024-10-13 15:17:12,586 INFO L226 Difference]: Without dead ends: 49 [2024-10-13 15:17:12,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:17:12,588 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 35 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:17:12,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 80 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:17:12,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-10-13 15:17:12,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-10-13 15:17:12,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 15:17:12,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 65 transitions. [2024-10-13 15:17:12,602 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 65 transitions. Word has length 19 [2024-10-13 15:17:12,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:17:12,603 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 65 transitions. [2024-10-13 15:17:12,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:17:12,604 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2024-10-13 15:17:12,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-13 15:17:12,604 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 15:17:12,604 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 15:17:12,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 15:17:12,605 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-13 15:17:12,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 15:17:12,606 INFO L85 PathProgramCache]: Analyzing trace with hash -270672629, now seen corresponding path program 1 times [2024-10-13 15:17:12,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 15:17:12,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970317893] [2024-10-13 15:17:12,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 15:17:12,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 15:17:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:12,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 15:17:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 15:17:12,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 15:17:12,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 15:17:12,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970317893] [2024-10-13 15:17:12,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970317893] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 15:17:12,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 15:17:12,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 15:17:12,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788863771] [2024-10-13 15:17:12,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 15:17:12,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 15:17:12,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 15:17:12,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 15:17:12,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:17:12,703 INFO L87 Difference]: Start difference. First operand 49 states and 65 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:17:12,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 15:17:12,727 INFO L93 Difference]: Finished difference Result 49 states and 65 transitions. [2024-10-13 15:17:12,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 15:17:12,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2024-10-13 15:17:12,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 15:17:12,729 INFO L225 Difference]: With dead ends: 49 [2024-10-13 15:17:12,729 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 15:17:12,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 15:17:12,731 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 1 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 15:17:12,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 115 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 15:17:12,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 15:17:12,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 15:17:12,733 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) [2024-10-13 15:17:12,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 15:17:12,733 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2024-10-13 15:17:12,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 15:17:12,734 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 15:17:12,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 15:17:12,734 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 15:17:12,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 15:17:12,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-10-13 15:17:12,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-10-13 15:17:12,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-10-13 15:17:12,742 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-10-13 15:17:12,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 15:17:12,749 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-13 15:17:12,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 15:17:12,778 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 15:17:12,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 03:17:12 BoogieIcfgContainer [2024-10-13 15:17:12,794 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 15:17:12,795 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 15:17:12,795 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 15:17:12,795 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 15:17:12,796 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:17:11" (3/4) ... [2024-10-13 15:17:12,798 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 15:17:12,801 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-13 15:17:12,802 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-13 15:17:12,808 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-10-13 15:17:12,808 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-13 15:17:12,809 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 15:17:12,927 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 15:17:12,927 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 15:17:12,928 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 15:17:12,928 INFO L158 Benchmark]: Toolchain (without parser) took 2808.16ms. Allocated memory was 163.6MB in the beginning and 224.4MB in the end (delta: 60.8MB). Free memory was 105.8MB in the beginning and 156.3MB in the end (delta: -50.5MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-10-13 15:17:12,929 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:17:12,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1092.53ms. Allocated memory is still 163.6MB. Free memory was 105.8MB in the beginning and 125.0MB in the end (delta: -19.2MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-10-13 15:17:12,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.75ms. Allocated memory is still 163.6MB. Free memory was 125.0MB in the beginning and 121.6MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 15:17:12,929 INFO L158 Benchmark]: Boogie Preprocessor took 43.89ms. Allocated memory is still 163.6MB. Free memory was 121.6MB in the beginning and 119.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 15:17:12,930 INFO L158 Benchmark]: RCFGBuilder took 451.88ms. Allocated memory is still 163.6MB. Free memory was 119.5MB in the beginning and 99.9MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-13 15:17:12,930 INFO L158 Benchmark]: TraceAbstraction took 1016.23ms. Allocated memory was 163.6MB in the beginning and 224.4MB in the end (delta: 60.8MB). Free memory was 99.2MB in the beginning and 162.6MB in the end (delta: -63.4MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2024-10-13 15:17:12,930 INFO L158 Benchmark]: Witness Printer took 132.85ms. Allocated memory is still 224.4MB. Free memory was 162.6MB in the beginning and 156.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 15:17:12,932 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1092.53ms. Allocated memory is still 163.6MB. Free memory was 105.8MB in the beginning and 125.0MB in the end (delta: -19.2MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.75ms. Allocated memory is still 163.6MB. Free memory was 125.0MB in the beginning and 121.6MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.89ms. Allocated memory is still 163.6MB. Free memory was 121.6MB in the beginning and 119.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 451.88ms. Allocated memory is still 163.6MB. Free memory was 119.5MB in the beginning and 99.9MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1016.23ms. Allocated memory was 163.6MB in the beginning and 224.4MB in the end (delta: 60.8MB). Free memory was 99.2MB in the beginning and 162.6MB in the end (delta: -63.4MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. * Witness Printer took 132.85ms. Allocated memory is still 224.4MB. Free memory was 162.6MB in the beginning and 156.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: 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 3 procedures, 57 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 380 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 129 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 251 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: (data <= 1073741822) - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1583]: Loop Invariant Derived loop invariant: (data == 2) - InvariantResult [Line: 1578]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2024-10-13 15:17:12,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/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