./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 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/nla-digbench-scaling/hard-u_unwindbound50.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 32bit --witnessprinter.graph.data.programhash 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 18:48:06,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 18:48:06,271 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 18:48:06,274 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 18:48:06,274 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 18:48:06,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 18:48:06,288 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 18:48:06,288 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 18:48:06,288 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 18:48:06,288 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 18:48:06,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 18:48:06,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 18:48:06,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 18:48:06,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 18:48:06,290 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 18:48:06,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 18:48:06,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 18:48:06,291 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 18:48:06,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 18:48:06,291 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 18:48:06,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 18:48:06,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 18:48:06,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 18:48:06,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 18:48:06,293 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 18:48:06,293 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 18:48:06,293 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 18:48:06,293 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 18:48:06,293 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 18:48:06,294 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 18:48:06,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 18:48:06,294 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 18:48:06,294 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 18:48:06,295 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 18:48:06,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:48:06,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 18:48:06,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 18:48:06,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 18:48:06,295 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 18:48:06,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 18:48:06,296 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 18:48:06,298 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 18:48:06,298 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 18:48:06,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 18:48:06,298 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd [2024-11-20 18:48:06,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 18:48:06,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 18:48:06,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 18:48:06,553 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 18:48:06,554 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 18:48:06,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c [2024-11-20 18:48:07,834 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 18:48:07,971 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 18:48:07,971 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c [2024-11-20 18:48:07,981 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dccc494a/80a12f37eea14ad7ab98d8c75553aae1/FLAG8376bfb6d [2024-11-20 18:48:07,991 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dccc494a/80a12f37eea14ad7ab98d8c75553aae1 [2024-11-20 18:48:07,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 18:48:07,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 18:48:07,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 18:48:07,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 18:48:07,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 18:48:07,998 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:48:07" (1/1) ... [2024-11-20 18:48:07,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c73667b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:07, skipping insertion in model container [2024-11-20 18:48:07,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:48:07" (1/1) ... [2024-11-20 18:48:08,018 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 18:48:08,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:48:08,171 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 18:48:08,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:48:08,204 INFO L204 MainTranslator]: Completed translation [2024-11-20 18:48:08,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:08 WrapperNode [2024-11-20 18:48:08,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 18:48:08,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 18:48:08,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 18:48:08,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 18:48:08,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:08" (1/1) ... [2024-11-20 18:48:08,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:08" (1/1) ... [2024-11-20 18:48:08,233 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2024-11-20 18:48:08,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 18:48:08,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 18:48:08,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 18:48:08,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 18:48:08,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:08" (1/1) ... [2024-11-20 18:48:08,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:08" (1/1) ... [2024-11-20 18:48:08,246 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:08" (1/1) ... [2024-11-20 18:48:08,259 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 18:48:08,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:08" (1/1) ... [2024-11-20 18:48:08,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:08" (1/1) ... [2024-11-20 18:48:08,262 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:08" (1/1) ... [2024-11-20 18:48:08,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:08" (1/1) ... [2024-11-20 18:48:08,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:08" (1/1) ... [2024-11-20 18:48:08,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:08" (1/1) ... [2024-11-20 18:48:08,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 18:48:08,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 18:48:08,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 18:48:08,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 18:48:08,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:08" (1/1) ... [2024-11-20 18:48:08,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:48:08,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:48:08,311 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) [2024-11-20 18:48:08,317 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 [2024-11-20 18:48:08,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 18:48:08,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 18:48:08,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 18:48:08,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 18:48:08,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 18:48:08,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 18:48:08,390 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 18:48:08,391 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 18:48:08,556 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-20 18:48:08,556 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 18:48:08,564 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 18:48:08,564 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 18:48:08,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:48:08 BoogieIcfgContainer [2024-11-20 18:48:08,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 18:48:08,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 18:48:08,568 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 18:48:08,570 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 18:48:08,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:48:07" (1/3) ... [2024-11-20 18:48:08,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448cd6b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:48:08, skipping insertion in model container [2024-11-20 18:48:08,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:48:08" (2/3) ... [2024-11-20 18:48:08,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448cd6b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:48:08, skipping insertion in model container [2024-11-20 18:48:08,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:48:08" (3/3) ... [2024-11-20 18:48:08,573 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-u_unwindbound50.c [2024-11-20 18:48:08,585 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 18:48:08,585 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-20 18:48:08,625 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 18:48:08,630 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;@29e12ba5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 18:48:08,630 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-20 18:48:08,633 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 23 states have (on average 1.565217391304348) internal successors, (36), 27 states have internal predecessors, (36), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-20 18:48:08,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:48:08,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:48:08,638 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:48:08,639 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)] === [2024-11-20 18:48:08,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:48:08,642 INFO L85 PathProgramCache]: Analyzing trace with hash 889508776, now seen corresponding path program 1 times [2024-11-20 18:48:08,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:48:08,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107631551] [2024-11-20 18:48:08,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:48:08,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:48:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:08,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:48:08,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:48:08,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107631551] [2024-11-20 18:48:08,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107631551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:48:08,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:48:08,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:48:08,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565275192] [2024-11-20 18:48:08,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:48:08,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 18:48:08,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:48:08,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 18:48:08,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 18:48:08,782 INFO L87 Difference]: Start difference. First operand has 36 states, 23 states have (on average 1.565217391304348) internal successors, (36), 27 states have internal predecessors, (36), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:48:08,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:48:08,804 INFO L93 Difference]: Finished difference Result 68 states and 102 transitions. [2024-11-20 18:48:08,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 18:48:08,806 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-20 18:48:08,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:48:08,810 INFO L225 Difference]: With dead ends: 68 [2024-11-20 18:48:08,810 INFO L226 Difference]: Without dead ends: 28 [2024-11-20 18:48:08,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 18:48:08,816 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:48:08,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:48:08,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-20 18:48:08,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-20 18:48:08,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:48:08,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-11-20 18:48:08,850 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 6 [2024-11-20 18:48:08,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:48:08,851 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-11-20 18:48:08,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:48:08,852 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-20 18:48:08,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:48:08,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:48:08,852 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:48:08,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 18:48:08,853 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)] === [2024-11-20 18:48:08,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:48:08,854 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2024-11-20 18:48:08,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:48:08,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075722669] [2024-11-20 18:48:08,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:48:08,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:48:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:08,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:48:08,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:48:08,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075722669] [2024-11-20 18:48:08,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075722669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:48:08,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:48:08,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:48:08,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728383220] [2024-11-20 18:48:08,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:48:08,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:48:08,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:48:08,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:48:08,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:48:08,942 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:48:08,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:48:08,985 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2024-11-20 18:48:08,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:48:08,991 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-20 18:48:08,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:48:08,991 INFO L225 Difference]: With dead ends: 37 [2024-11-20 18:48:08,991 INFO L226 Difference]: Without dead ends: 36 [2024-11-20 18:48:08,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:48:08,993 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 22 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:48:08,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 67 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:48:08,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-20 18:48:09,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 31. [2024-11-20 18:48:09,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 23 states have internal predecessors, (27), 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) [2024-11-20 18:48:09,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions. [2024-11-20 18:48:09,003 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 6 [2024-11-20 18:48:09,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:48:09,003 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions. [2024-11-20 18:48:09,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:48:09,004 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2024-11-20 18:48:09,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-20 18:48:09,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:48:09,004 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:48:09,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 18:48:09,005 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)] === [2024-11-20 18:48:09,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:48:09,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2024-11-20 18:48:09,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:48:09,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831332694] [2024-11-20 18:48:09,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:48:09,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:48:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:09,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:48:09,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:48:09,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831332694] [2024-11-20 18:48:09,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831332694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:48:09,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:48:09,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:48:09,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208267376] [2024-11-20 18:48:09,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:48:09,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:48:09,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:48:09,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:48:09,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:48:09,067 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:48:09,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:48:09,094 INFO L93 Difference]: Finished difference Result 50 states and 59 transitions. [2024-11-20 18:48:09,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:48:09,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-20 18:48:09,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:48:09,095 INFO L225 Difference]: With dead ends: 50 [2024-11-20 18:48:09,095 INFO L226 Difference]: Without dead ends: 35 [2024-11-20 18:48:09,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:48:09,096 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 3 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:48:09,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 82 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:48:09,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-20 18:48:09,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-20 18:48:09,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.24) internal successors, (31), 27 states have internal predecessors, (31), 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) [2024-11-20 18:48:09,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2024-11-20 18:48:09,101 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 7 [2024-11-20 18:48:09,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:48:09,102 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2024-11-20 18:48:09,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:48:09,102 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2024-11-20 18:48:09,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-20 18:48:09,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:48:09,103 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:48:09,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 18:48:09,103 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)] === [2024-11-20 18:48:09,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:48:09,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1297109879, now seen corresponding path program 1 times [2024-11-20 18:48:09,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:48:09,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657538258] [2024-11-20 18:48:09,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:48:09,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:48:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:09,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:48:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:09,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:48:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:09,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 18:48:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:09,282 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:48:09,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:48:09,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657538258] [2024-11-20 18:48:09,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657538258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:48:09,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:48:09,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 18:48:09,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370908347] [2024-11-20 18:48:09,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:48:09,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:48:09,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:48:09,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:48:09,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:48:09,287 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 18:48:09,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:48:09,338 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2024-11-20 18:48:09,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:48:09,340 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-11-20 18:48:09,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:48:09,341 INFO L225 Difference]: With dead ends: 35 [2024-11-20 18:48:09,341 INFO L226 Difference]: Without dead ends: 34 [2024-11-20 18:48:09,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:48:09,343 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 27 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:48:09,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 67 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:48:09,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-20 18:48:09,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-20 18:48:09,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 25 states have (on average 1.2) internal successors, (30), 26 states have internal predecessors, (30), 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) [2024-11-20 18:48:09,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2024-11-20 18:48:09,354 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 26 [2024-11-20 18:48:09,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:48:09,354 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2024-11-20 18:48:09,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 18:48:09,354 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2024-11-20 18:48:09,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-20 18:48:09,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:48:09,356 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:48:09,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 18:48:09,356 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-20 18:48:09,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:48:09,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1555700513, now seen corresponding path program 1 times [2024-11-20 18:48:09,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:48:09,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085271411] [2024-11-20 18:48:09,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:48:09,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:48:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:09,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:48:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:09,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:48:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:09,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 18:48:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:09,476 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:48:09,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:48:09,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085271411] [2024-11-20 18:48:09,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085271411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:48:09,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:48:09,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 18:48:09,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904140576] [2024-11-20 18:48:09,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:48:09,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:48:09,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:48:09,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:48:09,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:48:09,479 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 18:48:09,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:48:09,535 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2024-11-20 18:48:09,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:48:09,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-11-20 18:48:09,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:48:09,536 INFO L225 Difference]: With dead ends: 51 [2024-11-20 18:48:09,536 INFO L226 Difference]: Without dead ends: 50 [2024-11-20 18:48:09,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:48:09,537 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 16 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:48:09,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 110 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:48:09,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-20 18:48:09,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 45. [2024-11-20 18:48:09,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.1875) internal successors, (38), 33 states have internal predecessors, (38), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:48:09,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2024-11-20 18:48:09,544 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 27 [2024-11-20 18:48:09,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:48:09,544 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2024-11-20 18:48:09,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 18:48:09,544 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2024-11-20 18:48:09,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-20 18:48:09,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:48:09,545 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:48:09,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 18:48:09,545 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-20 18:48:09,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:48:09,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1555664763, now seen corresponding path program 1 times [2024-11-20 18:48:09,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:48:09,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456078202] [2024-11-20 18:48:09,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:48:09,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:48:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:09,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:48:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:09,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:48:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:09,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 18:48:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:09,637 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:48:09,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:48:09,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456078202] [2024-11-20 18:48:09,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456078202] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:48:09,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096565794] [2024-11-20 18:48:09,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:48:09,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:48:09,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:48:09,644 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:48:09,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 18:48:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:09,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:48:09,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:48:09,781 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:48:09,782 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:48:09,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096565794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:48:09,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:48:09,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-20 18:48:09,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844499647] [2024-11-20 18:48:09,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:48:09,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:48:09,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:48:09,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:48:09,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:48:09,787 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 18:48:09,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:48:09,848 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2024-11-20 18:48:09,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:48:09,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-11-20 18:48:09,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:48:09,852 INFO L225 Difference]: With dead ends: 49 [2024-11-20 18:48:09,852 INFO L226 Difference]: Without dead ends: 48 [2024-11-20 18:48:09,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:48:09,853 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 11 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:48:09,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 84 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:48:09,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-20 18:48:09,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2024-11-20 18:48:09,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.15625) internal successors, (37), 32 states have internal predecessors, (37), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:48:09,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2024-11-20 18:48:09,863 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 27 [2024-11-20 18:48:09,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:48:09,866 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2024-11-20 18:48:09,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 18:48:09,866 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2024-11-20 18:48:09,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-20 18:48:09,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:48:09,867 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:48:09,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 18:48:10,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-20 18:48:10,068 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-20 18:48:10,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:48:10,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1040655112, now seen corresponding path program 1 times [2024-11-20 18:48:10,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:48:10,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645368192] [2024-11-20 18:48:10,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:48:10,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:48:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:10,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:48:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:10,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:48:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:10,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 18:48:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:10,155 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:48:10,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:48:10,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645368192] [2024-11-20 18:48:10,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645368192] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:48:10,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541418100] [2024-11-20 18:48:10,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:48:10,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:48:10,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:48:10,158 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:48:10,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 18:48:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:10,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:48:10,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:48:10,237 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:48:10,237 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:48:10,315 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:48:10,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541418100] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:48:10,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:48:10,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 10 [2024-11-20 18:48:10,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83985727] [2024-11-20 18:48:10,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:48:10,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 18:48:10,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:48:10,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 18:48:10,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:48:10,317 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-20 18:48:10,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:48:10,475 INFO L93 Difference]: Finished difference Result 93 states and 113 transitions. [2024-11-20 18:48:10,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 18:48:10,475 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), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 31 [2024-11-20 18:48:10,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:48:10,476 INFO L225 Difference]: With dead ends: 93 [2024-11-20 18:48:10,476 INFO L226 Difference]: Without dead ends: 80 [2024-11-20 18:48:10,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-20 18:48:10,477 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 56 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:48:10,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 123 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:48:10,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-20 18:48:10,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 72. [2024-11-20 18:48:10,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 52 states have (on average 1.1346153846153846) internal successors, (59), 52 states have internal predecessors, (59), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-20 18:48:10,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 87 transitions. [2024-11-20 18:48:10,484 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 87 transitions. Word has length 31 [2024-11-20 18:48:10,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:48:10,484 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 87 transitions. [2024-11-20 18:48:10,484 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), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-20 18:48:10,484 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2024-11-20 18:48:10,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-20 18:48:10,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:48:10,485 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:48:10,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 18:48:10,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-20 18:48:10,690 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-20 18:48:10,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:48:10,690 INFO L85 PathProgramCache]: Analyzing trace with hash 182070449, now seen corresponding path program 1 times [2024-11-20 18:48:10,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:48:10,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292656887] [2024-11-20 18:48:10,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:48:10,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:48:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:10,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:48:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:10,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:48:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:10,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 18:48:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:10,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 18:48:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:10,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:48:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:10,816 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 18:48:10,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:48:10,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292656887] [2024-11-20 18:48:10,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292656887] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:48:10,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919341490] [2024-11-20 18:48:10,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:48:10,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:48:10,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:48:10,821 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:48:10,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 18:48:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:10,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 18:48:10,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:48:11,133 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 18:48:11,133 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:48:11,446 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 18:48:11,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919341490] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:48:11,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:48:11,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2024-11-20 18:48:11,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569671365] [2024-11-20 18:48:11,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:48:11,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-20 18:48:11,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:48:11,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-20 18:48:11,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-20 18:48:11,451 INFO L87 Difference]: Start difference. First operand 72 states and 87 transitions. Second operand has 18 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 18 states have internal predecessors, (57), 6 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-20 18:48:11,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:48:11,875 INFO L93 Difference]: Finished difference Result 133 states and 162 transitions. [2024-11-20 18:48:11,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-20 18:48:11,876 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 18 states have internal predecessors, (57), 6 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 43 [2024-11-20 18:48:11,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:48:11,878 INFO L225 Difference]: With dead ends: 133 [2024-11-20 18:48:11,878 INFO L226 Difference]: Without dead ends: 132 [2024-11-20 18:48:11,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=286, Invalid=770, Unknown=0, NotChecked=0, Total=1056 [2024-11-20 18:48:11,879 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 92 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:48:11,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 159 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:48:11,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-20 18:48:11,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-20 18:48:11,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 97 states have (on average 1.1237113402061856) internal successors, (109), 97 states have internal predecessors, (109), 24 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-20 18:48:11,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 157 transitions. [2024-11-20 18:48:11,904 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 157 transitions. Word has length 43 [2024-11-20 18:48:11,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:48:11,905 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 157 transitions. [2024-11-20 18:48:11,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 18 states have internal predecessors, (57), 6 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-20 18:48:11,905 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 157 transitions. [2024-11-20 18:48:11,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-20 18:48:11,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:48:11,909 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:48:11,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 18:48:12,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:48:12,110 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-20 18:48:12,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:48:12,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1955862377, now seen corresponding path program 2 times [2024-11-20 18:48:12,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:48:12,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128729515] [2024-11-20 18:48:12,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:48:12,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:48:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:12,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:48:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:12,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:48:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:12,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 18:48:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:12,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 18:48:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:12,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:48:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:12,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 18:48:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:12,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 18:48:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:12,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 18:48:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:12,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-20 18:48:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:12,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 18:48:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:12,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 18:48:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:12,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 18:48:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:12,356 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-20 18:48:12,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:48:12,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128729515] [2024-11-20 18:48:12,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128729515] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:48:12,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030735964] [2024-11-20 18:48:12,357 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:48:12,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:48:12,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:48:12,359 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:48:12,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 18:48:12,408 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:48:12,408 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:48:12,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-20 18:48:12,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:48:12,614 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 12 proven. 268 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:48:12,615 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:48:12,857 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 12 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-20 18:48:12,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030735964] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:48:12,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:48:12,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 34 [2024-11-20 18:48:12,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262453384] [2024-11-20 18:48:12,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:48:12,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-20 18:48:12,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:48:12,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-20 18:48:12,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=861, Unknown=0, NotChecked=0, Total=1122 [2024-11-20 18:48:12,860 INFO L87 Difference]: Start difference. First operand 132 states and 157 transitions. Second operand has 34 states, 34 states have (on average 3.0) internal successors, (102), 34 states have internal predecessors, (102), 12 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2024-11-20 18:48:13,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:48:13,231 INFO L93 Difference]: Finished difference Result 196 states and 233 transitions. [2024-11-20 18:48:13,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-20 18:48:13,231 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 3.0) internal successors, (102), 34 states have internal predecessors, (102), 12 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) Word has length 91 [2024-11-20 18:48:13,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:48:13,232 INFO L225 Difference]: With dead ends: 196 [2024-11-20 18:48:13,233 INFO L226 Difference]: Without dead ends: 183 [2024-11-20 18:48:13,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=791, Invalid=2071, Unknown=0, NotChecked=0, Total=2862 [2024-11-20 18:48:13,234 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 198 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:48:13,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 250 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:48:13,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-20 18:48:13,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 144. [2024-11-20 18:48:13,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 105 states have (on average 1.1238095238095238) internal successors, (118), 105 states have internal predecessors, (118), 27 states have call successors, (27), 11 states have call predecessors, (27), 11 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-20 18:48:13,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 172 transitions. [2024-11-20 18:48:13,256 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 172 transitions. Word has length 91 [2024-11-20 18:48:13,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:48:13,257 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 172 transitions. [2024-11-20 18:48:13,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.0) internal successors, (102), 34 states have internal predecessors, (102), 12 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2024-11-20 18:48:13,257 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 172 transitions. [2024-11-20 18:48:13,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-20 18:48:13,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:48:13,258 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:48:13,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-20 18:48:13,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:48:13,459 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-20 18:48:13,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:48:13,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1533400926, now seen corresponding path program 1 times [2024-11-20 18:48:13,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:48:13,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149947480] [2024-11-20 18:48:13,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:48:13,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:48:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:13,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:48:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:13,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:48:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:13,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 18:48:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:13,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 18:48:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:13,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:48:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:13,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 18:48:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:13,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 18:48:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:13,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 18:48:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:13,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 18:48:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:13,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 18:48:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:13,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-20 18:48:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:13,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 18:48:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:13,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 18:48:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:13,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 18:48:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:13,879 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-20 18:48:13,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:48:13,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149947480] [2024-11-20 18:48:13,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149947480] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:48:13,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424899943] [2024-11-20 18:48:13,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:48:13,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:48:13,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:48:13,884 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:48:13,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 18:48:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:13,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-20 18:48:13,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:48:14,407 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 3 proven. 389 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 18:48:14,407 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:48:14,958 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 3 proven. 65 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-20 18:48:14,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424899943] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:48:14,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:48:14,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 41 [2024-11-20 18:48:14,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266630363] [2024-11-20 18:48:14,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:48:14,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-20 18:48:14,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:48:14,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-20 18:48:14,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=1344, Unknown=0, NotChecked=0, Total=1722 [2024-11-20 18:48:14,961 INFO L87 Difference]: Start difference. First operand 144 states and 172 transitions. Second operand has 42 states, 41 states have (on average 3.3658536585365852) internal successors, (138), 42 states have internal predecessors, (138), 18 states have call successors, (42), 7 states have call predecessors, (42), 7 states have return successors, (42), 18 states have call predecessors, (42), 18 states have call successors, (42) [2024-11-20 18:48:15,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:48:15,902 INFO L93 Difference]: Finished difference Result 370 states and 444 transitions. [2024-11-20 18:48:15,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-11-20 18:48:15,902 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 41 states have (on average 3.3658536585365852) internal successors, (138), 42 states have internal predecessors, (138), 18 states have call successors, (42), 7 states have call predecessors, (42), 7 states have return successors, (42), 18 states have call predecessors, (42), 18 states have call successors, (42) Word has length 111 [2024-11-20 18:48:15,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:48:15,905 INFO L225 Difference]: With dead ends: 370 [2024-11-20 18:48:15,905 INFO L226 Difference]: Without dead ends: 369 [2024-11-20 18:48:15,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1206 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1659, Invalid=4661, Unknown=0, NotChecked=0, Total=6320 [2024-11-20 18:48:15,910 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 265 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:48:15,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 380 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:48:15,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-20 18:48:15,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 252. [2024-11-20 18:48:15,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 186 states have (on average 1.118279569892473) internal successors, (208), 186 states have internal predecessors, (208), 45 states have call successors, (45), 20 states have call predecessors, (45), 20 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-20 18:48:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 298 transitions. [2024-11-20 18:48:15,957 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 298 transitions. Word has length 111 [2024-11-20 18:48:15,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:48:15,958 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 298 transitions. [2024-11-20 18:48:15,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 3.3658536585365852) internal successors, (138), 42 states have internal predecessors, (138), 18 states have call successors, (42), 7 states have call predecessors, (42), 7 states have return successors, (42), 18 states have call predecessors, (42), 18 states have call successors, (42) [2024-11-20 18:48:15,958 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 298 transitions. [2024-11-20 18:48:15,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-20 18:48:15,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:48:15,965 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2024-11-20 18:48:15,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 18:48:16,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-20 18:48:16,172 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-20 18:48:16,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:48:16,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1354925193, now seen corresponding path program 2 times [2024-11-20 18:48:16,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:48:16,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669180912] [2024-11-20 18:48:16,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:48:16,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:48:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:48:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:48:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 18:48:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 18:48:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:48:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 18:48:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 18:48:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 18:48:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-20 18:48:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 18:48:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 18:48:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 18:48:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 18:48:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 18:48:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 18:48:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 18:48:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 18:48:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 18:48:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 18:48:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 18:48:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 18:48:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 18:48:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 18:48:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 18:48:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 18:48:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 18:48:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 18:48:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 18:48:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-20 18:48:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:17,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2038 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-20 18:48:17,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:48:17,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669180912] [2024-11-20 18:48:17,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669180912] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:48:17,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007847775] [2024-11-20 18:48:17,085 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:48:17,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:48:17,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:48:17,090 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:48:17,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 18:48:17,177 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:48:17,177 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:48:17,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-20 18:48:17,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:48:17,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2038 backedges. 0 proven. 1962 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-20 18:48:17,420 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:48:18,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2038 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-20 18:48:18,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007847775] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:48:18,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:48:18,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28, 29] total 57 [2024-11-20 18:48:18,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005426842] [2024-11-20 18:48:18,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:48:18,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-11-20 18:48:18,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:48:18,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-11-20 18:48:18,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=737, Invalid=2569, Unknown=0, NotChecked=0, Total=3306 [2024-11-20 18:48:18,164 INFO L87 Difference]: Start difference. First operand 252 states and 298 transitions. Second operand has 58 states, 57 states have (on average 3.6140350877192984) internal successors, (206), 58 states have internal predecessors, (206), 26 states have call successors, (87), 14 states have call predecessors, (87), 14 states have return successors, (87), 26 states have call predecessors, (87), 26 states have call successors, (87) [2024-11-20 18:48:19,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:48:19,719 INFO L93 Difference]: Finished difference Result 762 states and 904 transitions. [2024-11-20 18:48:19,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-11-20 18:48:19,723 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 57 states have (on average 3.6140350877192984) internal successors, (206), 58 states have internal predecessors, (206), 26 states have call successors, (87), 14 states have call predecessors, (87), 14 states have return successors, (87), 26 states have call predecessors, (87), 26 states have call successors, (87) Word has length 227 [2024-11-20 18:48:19,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:48:19,728 INFO L225 Difference]: With dead ends: 762 [2024-11-20 18:48:19,728 INFO L226 Difference]: Without dead ends: 761 [2024-11-20 18:48:19,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 598 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3474 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=3562, Invalid=10244, Unknown=0, NotChecked=0, Total=13806 [2024-11-20 18:48:19,731 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 421 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:48:19,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 349 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:48:19,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2024-11-20 18:48:19,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 356. [2024-11-20 18:48:19,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 261 states have (on average 1.1226053639846743) internal successors, (293), 261 states have internal predecessors, (293), 65 states have call successors, (65), 29 states have call predecessors, (65), 29 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-20 18:48:19,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 423 transitions. [2024-11-20 18:48:19,752 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 423 transitions. Word has length 227 [2024-11-20 18:48:19,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:48:19,753 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 423 transitions. [2024-11-20 18:48:19,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 57 states have (on average 3.6140350877192984) internal successors, (206), 58 states have internal predecessors, (206), 26 states have call successors, (87), 14 states have call predecessors, (87), 14 states have return successors, (87), 26 states have call predecessors, (87), 26 states have call successors, (87) [2024-11-20 18:48:19,753 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 423 transitions. [2024-11-20 18:48:19,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-20 18:48:19,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:48:19,755 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1] [2024-11-20 18:48:19,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-20 18:48:19,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:48:19,960 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-20 18:48:19,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:48:19,960 INFO L85 PathProgramCache]: Analyzing trace with hash -721746986, now seen corresponding path program 3 times [2024-11-20 18:48:19,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:48:19,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431023306] [2024-11-20 18:48:19,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:48:19,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:48:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 18:48:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:48:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 18:48:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 18:48:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 18:48:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 18:48:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 18:48:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 18:48:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-20 18:48:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 18:48:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 18:48:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 18:48:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 18:48:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 18:48:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 18:48:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 18:48:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 18:48:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 18:48:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 18:48:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 18:48:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 18:48:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 18:48:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 18:48:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 18:48:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 18:48:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 18:48:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 18:48:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-20 18:48:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 18:48:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-20 18:48:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 18:48:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-20 18:48:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-20 18:48:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 18:48:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:48:20,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2765 backedges. 0 proven. 521 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-20 18:48:20,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:48:20,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431023306] [2024-11-20 18:48:20,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431023306] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:48:20,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114544019] [2024-11-20 18:48:20,886 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 18:48:20,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:48:20,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:48:20,889 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:48:20,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 18:48:20,950 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-20 18:48:20,950 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:48:20,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:48:20,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:48:21,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2765 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 2426 trivial. 0 not checked. [2024-11-20 18:48:21,060 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:48:21,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114544019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:48:21,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:48:21,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [33] total 36 [2024-11-20 18:48:21,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783994530] [2024-11-20 18:48:21,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:48:21,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:48:21,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:48:21,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:48:21,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=291, Invalid=1041, Unknown=0, NotChecked=0, Total=1332 [2024-11-20 18:48:21,062 INFO L87 Difference]: Start difference. First operand 356 states and 423 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:48:21,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:48:21,163 INFO L93 Difference]: Finished difference Result 364 states and 431 transitions. [2024-11-20 18:48:21,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:48:21,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 263 [2024-11-20 18:48:21,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:48:21,167 INFO L225 Difference]: With dead ends: 364 [2024-11-20 18:48:21,167 INFO L226 Difference]: Without dead ends: 0 [2024-11-20 18:48:21,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=301, Invalid=1181, Unknown=0, NotChecked=0, Total=1482 [2024-11-20 18:48:21,169 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 10 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:48:21,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 94 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:48:21,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-20 18:48:21,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-20 18:48:21,170 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) [2024-11-20 18:48:21,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-20 18:48:21,170 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 263 [2024-11-20 18:48:21,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:48:21,170 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 18:48:21,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:48:21,170 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-20 18:48:21,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-20 18:48:21,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-20 18:48:21,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-20 18:48:21,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-20 18:48:21,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-20 18:48:21,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-20 18:48:21,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:48:21,382 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:48:21,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-20 18:48:22,258 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 18:48:22,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:48:22 BoogieIcfgContainer [2024-11-20 18:48:22,272 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 18:48:22,273 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 18:48:22,273 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 18:48:22,273 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 18:48:22,273 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:48:08" (3/4) ... [2024-11-20 18:48:22,275 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 18:48:22,277 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-20 18:48:22,281 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-20 18:48:22,281 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-20 18:48:22,281 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 18:48:22,281 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 18:48:22,348 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 18:48:22,348 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 18:48:22,348 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 18:48:22,348 INFO L158 Benchmark]: Toolchain (without parser) took 14355.14ms. Allocated memory was 157.3MB in the beginning and 373.3MB in the end (delta: 216.0MB). Free memory was 118.4MB in the beginning and 255.5MB in the end (delta: -137.0MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2024-11-20 18:48:22,348 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 98.6MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 18:48:22,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.90ms. Allocated memory is still 157.3MB. Free memory was 118.4MB in the beginning and 105.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 18:48:22,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.50ms. Allocated memory is still 157.3MB. Free memory was 105.8MB in the beginning and 104.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 18:48:22,349 INFO L158 Benchmark]: Boogie Preprocessor took 40.49ms. Allocated memory is still 157.3MB. Free memory was 104.3MB in the beginning and 102.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 18:48:22,349 INFO L158 Benchmark]: RCFGBuilder took 290.36ms. Allocated memory is still 157.3MB. Free memory was 102.2MB in the beginning and 123.3MB in the end (delta: -21.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 18:48:22,349 INFO L158 Benchmark]: TraceAbstraction took 13704.07ms. Allocated memory was 157.3MB in the beginning and 373.3MB in the end (delta: 216.0MB). Free memory was 122.6MB in the beginning and 260.7MB in the end (delta: -138.1MB). Peak memory consumption was 222.1MB. Max. memory is 16.1GB. [2024-11-20 18:48:22,349 INFO L158 Benchmark]: Witness Printer took 75.46ms. Allocated memory is still 373.3MB. Free memory was 260.7MB in the beginning and 255.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 18:48:22,350 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 98.6MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.90ms. Allocated memory is still 157.3MB. Free memory was 118.4MB in the beginning and 105.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.50ms. Allocated memory is still 157.3MB. Free memory was 105.8MB in the beginning and 104.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.49ms. Allocated memory is still 157.3MB. Free memory was 104.3MB in the beginning and 102.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.36ms. Allocated memory is still 157.3MB. Free memory was 102.2MB in the beginning and 123.3MB in the end (delta: -21.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 13704.07ms. Allocated memory was 157.3MB in the beginning and 373.3MB in the end (delta: 216.0MB). Free memory was 122.6MB in the beginning and 260.7MB in the end (delta: -138.1MB). Peak memory consumption was 222.1MB. Max. memory is 16.1GB. * Witness Printer took 75.46ms. Allocated memory is still 373.3MB. Free memory was 260.7MB in the beginning and 255.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: 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 2 procedures, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 12.8s, OverallIterations: 12, TraceHistogramMax: 34, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1121 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1121 mSDsluCounter, 1810 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1484 mSDsCounter, 144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1361 IncrementalHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 144 mSolverCounterUnsat, 326 mSDtfsCounter, 1361 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1762 GetRequests, 1404 SyntacticMatches, 0 SemanticMatches, 358 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5649 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=356occurred in iteration=11, InterpolantAutomatonStates: 258, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 583 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 1658 NumberOfCodeBlocks, 1454 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2137 ConstructedInterpolants, 0 QuantifiedInterpolants, 4471 SizeOfPredicates, 55 NumberOfNonLiveVariables, 1387 ConjunctsInSsa, 74 ConjunctsInUnsatCore, 24 InterpolantComputations, 7 PerfectInterpolantSequences, 9890/14155 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: 35]: Loop Invariant Derived loop invariant: (((counter <= 50) && (1 <= counter)) || (counter == 0)) - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: ((1 <= counter) && (counter <= 2147483637)) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) RESULT: Ultimate proved your program to be correct! [2024-11-20 18:48:22,370 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