./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/sqrt1-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 6c37a77a9f4db0db15bb3c5a5baacfcd5e1536d243d9987efda949cfc27e3fb7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 21:11:28,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 21:11:28,246 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 21:11:28,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 21:11:28,255 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 21:11:28,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 21:11:28,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 21:11:28,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 21:11:28,278 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 21:11:28,278 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 21:11:28,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 21:11:28,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 21:11:28,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 21:11:28,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 21:11:28,280 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 21:11:28,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 21:11:28,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 21:11:28,285 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 21:11:28,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 21:11:28,286 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 21:11:28,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 21:11:28,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 21:11:28,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 21:11:28,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 21:11:28,288 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 21:11:28,289 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 21:11:28,289 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 21:11:28,289 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 21:11:28,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 21:11:28,290 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 21:11:28,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 21:11:28,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 21:11:28,290 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 21:11:28,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 21:11:28,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:11:28,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 21:11:28,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 21:11:28,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 21:11:28,293 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 21:11:28,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 21:11:28,293 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 21:11:28,294 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 21:11:28,294 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 21:11:28,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 21:11:28,294 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c37a77a9f4db0db15bb3c5a5baacfcd5e1536d243d9987efda949cfc27e3fb7 [2024-10-11 21:11:28,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 21:11:28,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 21:11:28,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 21:11:28,567 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 21:11:28,568 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 21:11:28,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c [2024-10-11 21:11:30,041 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 21:11:30,201 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 21:11:30,202 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c [2024-10-11 21:11:30,208 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2b479270d/384687a39e9f4ad6b5280a2c4256dd7d/FLAG7d510d316 [2024-10-11 21:11:30,220 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2b479270d/384687a39e9f4ad6b5280a2c4256dd7d [2024-10-11 21:11:30,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 21:11:30,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 21:11:30,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 21:11:30,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 21:11:30,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 21:11:30,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:11:30" (1/1) ... [2024-10-11 21:11:30,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d93e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30, skipping insertion in model container [2024-10-11 21:11:30,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:11:30" (1/1) ... [2024-10-11 21:11:30,253 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 21:11:30,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:11:30,448 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 21:11:30,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:11:30,481 INFO L204 MainTranslator]: Completed translation [2024-10-11 21:11:30,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30 WrapperNode [2024-10-11 21:11:30,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 21:11:30,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 21:11:30,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 21:11:30,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 21:11:30,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 21:11:30,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 21:11:30,532 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2024-10-11 21:11:30,533 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 21:11:30,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 21:11:30,534 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 21:11:30,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 21:11:30,543 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 21:11:30,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 21:11:30,545 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 21:11:30,558 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]. [2024-10-11 21:11:30,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 21:11:30,559 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 21:11:30,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 21:11:30,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 21:11:30,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 21:11:30,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 21:11:30,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 21:11:30,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 21:11:30,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 21:11:30,569 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 21:11:30,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 21:11:30,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:11:30,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:30,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 21:11:30,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 21:11:30,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 21:11:30,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 21:11:30,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 21:11:30,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 21:11:30,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 21:11:30,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 21:11:30,722 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 21:11:30,724 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 21:11:31,159 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-10-11 21:11:31,159 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 21:11:31,187 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 21:11:31,187 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 21:11:31,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:11:31 BoogieIcfgContainer [2024-10-11 21:11:31,188 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 21:11:31,190 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 21:11:31,190 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 21:11:31,194 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 21:11:31,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:11:30" (1/3) ... [2024-10-11 21:11:31,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5e7c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:11:31, skipping insertion in model container [2024-10-11 21:11:31,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (2/3) ... [2024-10-11 21:11:31,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5e7c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:11:31, skipping insertion in model container [2024-10-11 21:11:31,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:11:31" (3/3) ... [2024-10-11 21:11:31,199 INFO L112 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_unwindbound50.c [2024-10-11 21:11:31,217 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 21:11:31,217 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2024-10-11 21:11:31,276 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 21:11:31,282 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;@6a23706e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 21:11:31,283 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-10-11 21:11:31,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 60 states have (on average 1.9333333333333333) internal successors, (116), 112 states have internal predecessors, (116), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 21:11:31,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-11 21:11:31,291 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:31,292 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-11 21:11:31,292 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:31,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:31,296 INFO L85 PathProgramCache]: Analyzing trace with hash 187138, now seen corresponding path program 1 times [2024-10-11 21:11:31,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:31,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11484188] [2024-10-11 21:11:31,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:31,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:31,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:11:31,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:31,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11484188] [2024-10-11 21:11:31,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11484188] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:31,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:11:31,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:11:31,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584470925] [2024-10-11 21:11:31,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:31,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 21:11:31,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:31,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 21:11:31,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 21:11:31,455 INFO L87 Difference]: Start difference. First operand has 120 states, 60 states have (on average 1.9333333333333333) internal successors, (116), 112 states have internal predecessors, (116), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:11:31,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:31,489 INFO L93 Difference]: Finished difference Result 235 states and 261 transitions. [2024-10-11 21:11:31,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 21:11:31,494 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2024-10-11 21:11:31,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:31,501 INFO L225 Difference]: With dead ends: 235 [2024-10-11 21:11:31,501 INFO L226 Difference]: Without dead ends: 113 [2024-10-11 21:11:31,504 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 [2024-10-11 21:11:31,507 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:31,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:11:31,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-11 21:11:31,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-10-11 21:11:31,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 59 states have (on average 1.8305084745762712) internal successors, (108), 106 states have internal predecessors, (108), 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) [2024-10-11 21:11:31,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 118 transitions. [2024-10-11 21:11:31,544 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 118 transitions. Word has length 3 [2024-10-11 21:11:31,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:31,545 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 118 transitions. [2024-10-11 21:11:31,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:11:31,545 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2024-10-11 21:11:31,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-11 21:11:31,546 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:31,546 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-11 21:11:31,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 21:11:31,546 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:31,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:31,547 INFO L85 PathProgramCache]: Analyzing trace with hash 184737, now seen corresponding path program 1 times [2024-10-11 21:11:31,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:31,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891812650] [2024-10-11 21:11:31,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:31,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:31,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:11:31,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:31,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891812650] [2024-10-11 21:11:31,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891812650] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:31,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:11:31,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:11:31,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967046688] [2024-10-11 21:11:31,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:31,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:11:31,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:31,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:11:31,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:11:31,650 INFO L87 Difference]: Start difference. First operand 113 states and 118 transitions. Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:11:31,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:31,705 INFO L93 Difference]: Finished difference Result 167 states and 173 transitions. [2024-10-11 21:11:31,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:11:31,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2024-10-11 21:11:31,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:31,707 INFO L225 Difference]: With dead ends: 167 [2024-10-11 21:11:31,708 INFO L226 Difference]: Without dead ends: 117 [2024-10-11 21:11:31,708 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 [2024-10-11 21:11:31,709 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 4 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:31,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 337 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:11:31,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-10-11 21:11:31,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-10-11 21:11:31,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 63 states have (on average 1.7777777777777777) internal successors, (112), 110 states have internal predecessors, (112), 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) [2024-10-11 21:11:31,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 122 transitions. [2024-10-11 21:11:31,721 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 122 transitions. Word has length 3 [2024-10-11 21:11:31,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:31,721 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 122 transitions. [2024-10-11 21:11:31,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:11:31,722 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 122 transitions. [2024-10-11 21:11:31,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 21:11:31,722 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:31,722 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 21:11:31,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 21:11:31,722 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:31,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:31,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1208573546, now seen corresponding path program 1 times [2024-10-11 21:11:31,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:31,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414009555] [2024-10-11 21:11:31,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:31,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:31,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:11:31,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:31,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414009555] [2024-10-11 21:11:31,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414009555] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:31,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:11:31,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 21:11:31,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325890682] [2024-10-11 21:11:31,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:31,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:11:31,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:31,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:11:31,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:11:31,781 INFO L87 Difference]: Start difference. First operand 117 states and 122 transitions. Second operand has 3 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) [2024-10-11 21:11:31,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:31,945 INFO L93 Difference]: Finished difference Result 211 states and 221 transitions. [2024-10-11 21:11:31,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:11:31,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 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 [2024-10-11 21:11:31,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:31,948 INFO L225 Difference]: With dead ends: 211 [2024-10-11 21:11:31,948 INFO L226 Difference]: Without dead ends: 191 [2024-10-11 21:11:31,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:11:31,950 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 68 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:31,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 179 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:11:31,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-10-11 21:11:31,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 156. [2024-10-11 21:11:31,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 98 states have (on average 1.6224489795918366) internal successors, (159), 145 states have internal predecessors, (159), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 21:11:31,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 177 transitions. [2024-10-11 21:11:31,967 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 177 transitions. Word has length 6 [2024-10-11 21:11:31,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:31,968 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 177 transitions. [2024-10-11 21:11:31,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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) [2024-10-11 21:11:31,968 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 177 transitions. [2024-10-11 21:11:31,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-11 21:11:31,969 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:31,969 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:31,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 21:11:31,970 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:31,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:31,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1948900906, now seen corresponding path program 1 times [2024-10-11 21:11:31,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:31,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083091504] [2024-10-11 21:11:31,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:31,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:11:32,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [177616526] [2024-10-11 21:11:32,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:32,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:32,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:32,004 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:32,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 21:11:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:32,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 21:11:32,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:32,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 21:11:32,124 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:11:32,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:32,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083091504] [2024-10-11 21:11:32,126 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:11:32,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177616526] [2024-10-11 21:11:32,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177616526] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:32,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:11:32,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:11:32,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186486010] [2024-10-11 21:11:32,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:32,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:11:32,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:32,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:11:32,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:11:32,129 INFO L87 Difference]: Start difference. First operand 156 states and 177 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 21:11:32,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:32,250 INFO L93 Difference]: Finished difference Result 183 states and 205 transitions. [2024-10-11 21:11:32,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:11:32,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-10-11 21:11:32,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:32,252 INFO L225 Difference]: With dead ends: 183 [2024-10-11 21:11:32,253 INFO L226 Difference]: Without dead ends: 175 [2024-10-11 21:11:32,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:11:32,254 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 41 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:32,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 176 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:11:32,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-10-11 21:11:32,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 167. [2024-10-11 21:11:32,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 108 states have (on average 1.5740740740740742) internal successors, (170), 155 states have internal predecessors, (170), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:11:32,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 190 transitions. [2024-10-11 21:11:32,269 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 190 transitions. Word has length 27 [2024-10-11 21:11:32,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:32,270 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 190 transitions. [2024-10-11 21:11:32,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 21:11:32,270 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 190 transitions. [2024-10-11 21:11:32,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-11 21:11:32,271 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:32,271 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:32,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 21:11:32,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:32,472 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:32,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:32,473 INFO L85 PathProgramCache]: Analyzing trace with hash 286386016, now seen corresponding path program 1 times [2024-10-11 21:11:32,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:32,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874193167] [2024-10-11 21:11:32,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:32,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:32,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:32,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:32,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 21:11:32,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:32,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874193167] [2024-10-11 21:11:32,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874193167] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:32,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:11:32,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:11:32,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125772773] [2024-10-11 21:11:32,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:32,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:11:32,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:32,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:11:32,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:11:32,599 INFO L87 Difference]: Start difference. First operand 167 states and 190 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 21:11:32,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:32,699 INFO L93 Difference]: Finished difference Result 183 states and 201 transitions. [2024-10-11 21:11:32,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:11:32,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-10-11 21:11:32,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:32,701 INFO L225 Difference]: With dead ends: 183 [2024-10-11 21:11:32,701 INFO L226 Difference]: Without dead ends: 173 [2024-10-11 21:11:32,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:11:32,702 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 38 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:32,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 170 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:11:32,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-10-11 21:11:32,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2024-10-11 21:11:32,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 111 states have (on average 1.4954954954954955) internal successors, (166), 158 states have internal predecessors, (166), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:11:32,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 186 transitions. [2024-10-11 21:11:32,718 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 186 transitions. Word has length 28 [2024-10-11 21:11:32,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:32,719 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 186 transitions. [2024-10-11 21:11:32,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 21:11:32,719 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 186 transitions. [2024-10-11 21:11:32,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-11 21:11:32,720 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:32,720 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1] [2024-10-11 21:11:32,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 21:11:32,721 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:32,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:32,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1920828334, now seen corresponding path program 1 times [2024-10-11 21:11:32,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:32,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094136528] [2024-10-11 21:11:32,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:32,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:32,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:32,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:32,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 21:11:32,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:32,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094136528] [2024-10-11 21:11:32,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094136528] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:32,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:11:32,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:11:32,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253117708] [2024-10-11 21:11:32,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:32,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:11:32,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:32,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:11:32,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:11:32,852 INFO L87 Difference]: Start difference. First operand 170 states and 186 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 21:11:32,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:32,961 INFO L93 Difference]: Finished difference Result 175 states and 191 transitions. [2024-10-11 21:11:32,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:11:32,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-10-11 21:11:32,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:32,963 INFO L225 Difference]: With dead ends: 175 [2024-10-11 21:11:32,963 INFO L226 Difference]: Without dead ends: 173 [2024-10-11 21:11:32,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:11:32,964 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 83 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:32,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 185 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:11:32,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-10-11 21:11:32,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2024-10-11 21:11:32,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 111 states have (on average 1.4774774774774775) internal successors, (164), 158 states have internal predecessors, (164), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:11:32,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 184 transitions. [2024-10-11 21:11:32,973 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 184 transitions. Word has length 31 [2024-10-11 21:11:32,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:32,974 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 184 transitions. [2024-10-11 21:11:32,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 21:11:32,974 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 184 transitions. [2024-10-11 21:11:32,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-11 21:11:32,975 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:32,975 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1] [2024-10-11 21:11:32,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 21:11:32,975 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:32,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:32,976 INFO L85 PathProgramCache]: Analyzing trace with hash 733907250, now seen corresponding path program 1 times [2024-10-11 21:11:32,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:32,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326737965] [2024-10-11 21:11:32,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:32,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:33,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:33,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:33,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 21:11:33,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:33,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326737965] [2024-10-11 21:11:33,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326737965] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:33,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:11:33,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:11:33,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920181662] [2024-10-11 21:11:33,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:33,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:11:33,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:33,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:11:33,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:11:33,126 INFO L87 Difference]: Start difference. First operand 170 states and 184 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 21:11:33,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:33,259 INFO L93 Difference]: Finished difference Result 175 states and 185 transitions. [2024-10-11 21:11:33,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:11:33,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-10-11 21:11:33,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:33,261 INFO L225 Difference]: With dead ends: 175 [2024-10-11 21:11:33,261 INFO L226 Difference]: Without dead ends: 147 [2024-10-11 21:11:33,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:11:33,262 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 29 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:33,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 161 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:11:33,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-10-11 21:11:33,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-10-11 21:11:33,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 90 states have (on average 1.5444444444444445) internal successors, (139), 137 states have internal predecessors, (139), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:11:33,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 155 transitions. [2024-10-11 21:11:33,273 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 155 transitions. Word has length 35 [2024-10-11 21:11:33,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:33,274 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 155 transitions. [2024-10-11 21:11:33,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 21:11:33,274 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 155 transitions. [2024-10-11 21:11:33,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-11 21:11:33,276 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:33,277 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:33,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 21:11:33,277 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:33,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:33,278 INFO L85 PathProgramCache]: Analyzing trace with hash -132779018, now seen corresponding path program 1 times [2024-10-11 21:11:33,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:33,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621739380] [2024-10-11 21:11:33,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:33,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:33,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:33,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:33,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:33,435 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:33,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:33,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621739380] [2024-10-11 21:11:33,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621739380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:33,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:11:33,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:11:33,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48925772] [2024-10-11 21:11:33,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:33,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:11:33,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:33,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:11:33,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:11:33,439 INFO L87 Difference]: Start difference. First operand 147 states and 155 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-10-11 21:11:33,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:33,564 INFO L93 Difference]: Finished difference Result 150 states and 159 transitions. [2024-10-11 21:11:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:11:33,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 48 [2024-10-11 21:11:33,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:33,566 INFO L225 Difference]: With dead ends: 150 [2024-10-11 21:11:33,566 INFO L226 Difference]: Without dead ends: 149 [2024-10-11 21:11:33,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:11:33,567 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 1 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:33,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 220 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:11:33,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-10-11 21:11:33,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 148. [2024-10-11 21:11:33,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 91 states have (on average 1.5384615384615385) internal successors, (140), 138 states have internal predecessors, (140), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:11:33,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 156 transitions. [2024-10-11 21:11:33,577 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 156 transitions. Word has length 48 [2024-10-11 21:11:33,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:33,578 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 156 transitions. [2024-10-11 21:11:33,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-10-11 21:11:33,579 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 156 transitions. [2024-10-11 21:11:33,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-11 21:11:33,580 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:33,580 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:33,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 21:11:33,580 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:33,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:33,585 INFO L85 PathProgramCache]: Analyzing trace with hash 178817848, now seen corresponding path program 1 times [2024-10-11 21:11:33,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:33,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443769039] [2024-10-11 21:11:33,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:33,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:33,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:33,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:33,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:33,683 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:33,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:33,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443769039] [2024-10-11 21:11:33,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443769039] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:33,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:11:33,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:11:33,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547038099] [2024-10-11 21:11:33,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:33,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:11:33,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:33,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:11:33,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:11:33,686 INFO L87 Difference]: Start difference. First operand 148 states and 156 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-10-11 21:11:33,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:33,772 INFO L93 Difference]: Finished difference Result 150 states and 158 transitions. [2024-10-11 21:11:33,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:11:33,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 49 [2024-10-11 21:11:33,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:33,773 INFO L225 Difference]: With dead ends: 150 [2024-10-11 21:11:33,773 INFO L226 Difference]: Without dead ends: 149 [2024-10-11 21:11:33,774 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:11:33,774 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:33,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 162 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:11:33,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-10-11 21:11:33,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-10-11 21:11:33,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 92 states have (on average 1.5326086956521738) internal successors, (141), 139 states have internal predecessors, (141), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:11:33,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 157 transitions. [2024-10-11 21:11:33,782 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 157 transitions. Word has length 49 [2024-10-11 21:11:33,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:33,783 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 157 transitions. [2024-10-11 21:11:33,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-10-11 21:11:33,783 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 157 transitions. [2024-10-11 21:11:33,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-11 21:11:33,784 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:33,784 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:33,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 21:11:33,785 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:33,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:33,785 INFO L85 PathProgramCache]: Analyzing trace with hash 45261274, now seen corresponding path program 1 times [2024-10-11 21:11:33,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:33,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138318396] [2024-10-11 21:11:33,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:33,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:33,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:33,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:33,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:33,892 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:33,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:33,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138318396] [2024-10-11 21:11:33,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138318396] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:33,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142227452] [2024-10-11 21:11:33,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:33,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:33,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:33,895 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:33,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 21:11:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:33,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 21:11:33,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:34,094 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:34,094 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:11:34,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142227452] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:34,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:11:34,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 21:11:34,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066506588] [2024-10-11 21:11:34,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:34,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:11:34,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:34,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:11:34,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:11:34,096 INFO L87 Difference]: Start difference. First operand 149 states and 157 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2024-10-11 21:11:34,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:34,123 INFO L93 Difference]: Finished difference Result 149 states and 157 transitions. [2024-10-11 21:11:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:11:34,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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 51 [2024-10-11 21:11:34,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:34,125 INFO L225 Difference]: With dead ends: 149 [2024-10-11 21:11:34,126 INFO L226 Difference]: Without dead ends: 148 [2024-10-11 21:11:34,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:11:34,126 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 79 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:34,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 220 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:11:34,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-10-11 21:11:34,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2024-10-11 21:11:34,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 92 states have (on average 1.5217391304347827) internal successors, (140), 138 states have internal predecessors, (140), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:11:34,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 156 transitions. [2024-10-11 21:11:34,136 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 156 transitions. Word has length 51 [2024-10-11 21:11:34,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:34,136 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 156 transitions. [2024-10-11 21:11:34,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2024-10-11 21:11:34,137 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 156 transitions. [2024-10-11 21:11:34,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-11 21:11:34,137 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:34,138 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:34,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 21:11:34,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:34,339 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:34,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:34,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1403099535, now seen corresponding path program 1 times [2024-10-11 21:11:34,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:34,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851602452] [2024-10-11 21:11:34,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:34,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:34,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:34,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:34,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:34,438 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:34,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:34,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851602452] [2024-10-11 21:11:34,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851602452] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:34,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782385736] [2024-10-11 21:11:34,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:34,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:34,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:34,440 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:34,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 21:11:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:34,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 21:11:34,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:34,575 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:34,575 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:11:34,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782385736] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:34,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:11:34,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 21:11:34,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482024306] [2024-10-11 21:11:34,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:34,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:11:34,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:34,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:11:34,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:11:34,577 INFO L87 Difference]: Start difference. First operand 148 states and 156 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2024-10-11 21:11:34,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:34,639 INFO L93 Difference]: Finished difference Result 196 states and 204 transitions. [2024-10-11 21:11:34,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:11:34,639 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 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 52 [2024-10-11 21:11:34,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:34,641 INFO L225 Difference]: With dead ends: 196 [2024-10-11 21:11:34,641 INFO L226 Difference]: Without dead ends: 195 [2024-10-11 21:11:34,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 21:11:34,642 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 76 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:34,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 503 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:11:34,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-10-11 21:11:34,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 163. [2024-10-11 21:11:34,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 105 states have (on average 1.5333333333333334) internal successors, (161), 151 states have internal predecessors, (161), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:11:34,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 181 transitions. [2024-10-11 21:11:34,649 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 181 transitions. Word has length 52 [2024-10-11 21:11:34,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:34,650 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 181 transitions. [2024-10-11 21:11:34,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2024-10-11 21:11:34,650 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 181 transitions. [2024-10-11 21:11:34,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-11 21:11:34,651 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:34,651 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:34,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 21:11:34,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:34,852 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:34,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:34,852 INFO L85 PathProgramCache]: Analyzing trace with hash -241076335, now seen corresponding path program 1 times [2024-10-11 21:11:34,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:34,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513750900] [2024-10-11 21:11:34,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:34,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:34,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:34,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:34,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:34,907 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:34,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:34,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513750900] [2024-10-11 21:11:34,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513750900] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:34,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133513061] [2024-10-11 21:11:34,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:34,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:34,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:34,909 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:34,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 21:11:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:34,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 21:11:34,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:35,026 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:35,026 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:11:35,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133513061] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:35,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:11:35,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-11 21:11:35,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915001441] [2024-10-11 21:11:35,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:35,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:11:35,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:35,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:11:35,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:11:35,028 INFO L87 Difference]: Start difference. First operand 163 states and 181 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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) [2024-10-11 21:11:35,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:35,116 INFO L93 Difference]: Finished difference Result 163 states and 181 transitions. [2024-10-11 21:11:35,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:11:35,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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 54 [2024-10-11 21:11:35,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:35,119 INFO L225 Difference]: With dead ends: 163 [2024-10-11 21:11:35,119 INFO L226 Difference]: Without dead ends: 154 [2024-10-11 21:11:35,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:11:35,120 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 73 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:35,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 135 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:11:35,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-10-11 21:11:35,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-10-11 21:11:35,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 105 states have (on average 1.4095238095238096) internal successors, (148), 142 states have internal predecessors, (148), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:11:35,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 168 transitions. [2024-10-11 21:11:35,129 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 168 transitions. Word has length 54 [2024-10-11 21:11:35,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:35,129 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 168 transitions. [2024-10-11 21:11:35,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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) [2024-10-11 21:11:35,129 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 168 transitions. [2024-10-11 21:11:35,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-11 21:11:35,130 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:35,130 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:35,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 21:11:35,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 21:11:35,331 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:35,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:35,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1116568257, now seen corresponding path program 1 times [2024-10-11 21:11:35,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:35,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332922680] [2024-10-11 21:11:35,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:35,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:35,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:35,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:35,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:35,397 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:35,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:35,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332922680] [2024-10-11 21:11:35,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332922680] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:35,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115085225] [2024-10-11 21:11:35,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:35,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:35,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:35,400 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:35,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 21:11:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:35,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 21:11:35,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:35,509 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:35,510 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:35,592 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:35,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115085225] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:11:35,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:11:35,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-11 21:11:35,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318180990] [2024-10-11 21:11:35,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:35,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 21:11:35,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:35,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 21:11:35,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 21:11:35,595 INFO L87 Difference]: Start difference. First operand 154 states and 168 transitions. Second operand has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 7 states have internal predecessors, (113), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 21:11:35,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:35,770 INFO L93 Difference]: Finished difference Result 278 states and 329 transitions. [2024-10-11 21:11:35,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:11:35,770 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 7 states have internal predecessors, (113), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 55 [2024-10-11 21:11:35,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:35,772 INFO L225 Difference]: With dead ends: 278 [2024-10-11 21:11:35,772 INFO L226 Difference]: Without dead ends: 269 [2024-10-11 21:11:35,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 21:11:35,773 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 284 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:35,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 270 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:11:35,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-10-11 21:11:35,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 145. [2024-10-11 21:11:35,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 105 states have (on average 1.2857142857142858) internal successors, (135), 133 states have internal predecessors, (135), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:11:35,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 155 transitions. [2024-10-11 21:11:35,782 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 155 transitions. Word has length 55 [2024-10-11 21:11:35,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:35,782 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 155 transitions. [2024-10-11 21:11:35,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 7 states have internal predecessors, (113), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 21:11:35,782 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 155 transitions. [2024-10-11 21:11:35,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-11 21:11:35,783 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:35,783 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2024-10-11 21:11:35,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 21:11:35,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 21:11:35,988 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:35,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:35,988 INFO L85 PathProgramCache]: Analyzing trace with hash -630108129, now seen corresponding path program 1 times [2024-10-11 21:11:35,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:35,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106808271] [2024-10-11 21:11:35,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:35,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:11:36,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1140774745] [2024-10-11 21:11:36,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:36,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:36,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:36,005 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:36,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 21:11:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:36,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:11:36,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:36,137 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 21:11:36,138 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:36,291 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 21:11:36,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:36,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106808271] [2024-10-11 21:11:36,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:11:36,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140774745] [2024-10-11 21:11:36,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140774745] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:11:36,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:11:36,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-10-11 21:11:36,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584612493] [2024-10-11 21:11:36,293 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:36,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 21:11:36,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:36,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 21:11:36,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:11:36,294 INFO L87 Difference]: Start difference. First operand 145 states and 155 transitions. Second operand has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-11 21:11:36,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:36,500 INFO L93 Difference]: Finished difference Result 369 states and 404 transitions. [2024-10-11 21:11:36,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:11:36,501 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 68 [2024-10-11 21:11:36,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:36,502 INFO L225 Difference]: With dead ends: 369 [2024-10-11 21:11:36,503 INFO L226 Difference]: Without dead ends: 367 [2024-10-11 21:11:36,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-11 21:11:36,503 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 286 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:36,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 315 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:11:36,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-10-11 21:11:36,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 243. [2024-10-11 21:11:36,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 195 states have (on average 1.3282051282051281) internal successors, (259), 223 states have internal predecessors, (259), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 21:11:36,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 295 transitions. [2024-10-11 21:11:36,518 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 295 transitions. Word has length 68 [2024-10-11 21:11:36,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:36,519 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 295 transitions. [2024-10-11 21:11:36,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-11 21:11:36,519 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 295 transitions. [2024-10-11 21:11:36,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-11 21:11:36,520 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:36,520 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:36,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 21:11:36,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 21:11:36,725 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:36,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:36,726 INFO L85 PathProgramCache]: Analyzing trace with hash -953494685, now seen corresponding path program 1 times [2024-10-11 21:11:36,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:36,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197537337] [2024-10-11 21:11:36,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:36,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:11:36,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [52157190] [2024-10-11 21:11:36,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:36,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:36,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:36,743 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:36,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 21:11:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:36,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:11:36,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:36,869 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 21:11:36,869 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:36,997 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 21:11:36,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:36,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197537337] [2024-10-11 21:11:36,997 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:11:36,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52157190] [2024-10-11 21:11:36,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52157190] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:11:36,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:11:36,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-10-11 21:11:36,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650454660] [2024-10-11 21:11:36,998 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:36,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 21:11:36,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:36,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 21:11:36,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:11:36,999 INFO L87 Difference]: Start difference. First operand 243 states and 295 transitions. Second operand has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 21:11:37,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:37,238 INFO L93 Difference]: Finished difference Result 331 states and 405 transitions. [2024-10-11 21:11:37,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:11:37,238 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 75 [2024-10-11 21:11:37,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:37,240 INFO L225 Difference]: With dead ends: 331 [2024-10-11 21:11:37,240 INFO L226 Difference]: Without dead ends: 323 [2024-10-11 21:11:37,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-11 21:11:37,241 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 197 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:37,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 245 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:11:37,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-10-11 21:11:37,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 243. [2024-10-11 21:11:37,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 199 states have (on average 1.2412060301507537) internal successors, (247), 221 states have internal predecessors, (247), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 21:11:37,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 287 transitions. [2024-10-11 21:11:37,257 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 287 transitions. Word has length 75 [2024-10-11 21:11:37,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:37,257 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 287 transitions. [2024-10-11 21:11:37,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 21:11:37,257 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 287 transitions. [2024-10-11 21:11:37,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-11 21:11:37,258 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:37,258 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:37,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 21:11:37,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:37,459 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:37,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:37,460 INFO L85 PathProgramCache]: Analyzing trace with hash 506435911, now seen corresponding path program 1 times [2024-10-11 21:11:37,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:37,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738129815] [2024-10-11 21:11:37,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:37,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:37,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:37,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:37,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:37,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 21:11:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:37,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:11:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:37,555 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 21:11:37,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:37,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738129815] [2024-10-11 21:11:37,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738129815] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:37,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847985344] [2024-10-11 21:11:37,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:37,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:37,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:37,557 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:37,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 21:11:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:37,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:11:37,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:37,780 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 21:11:37,781 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:37,898 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 21:11:37,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847985344] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:11:37,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:11:37,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-11 21:11:37,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454311074] [2024-10-11 21:11:37,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:37,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 21:11:37,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:37,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 21:11:37,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:11:37,900 INFO L87 Difference]: Start difference. First operand 243 states and 287 transitions. Second operand has 10 states, 9 states have (on average 15.444444444444445) internal successors, (139), 10 states have internal predecessors, (139), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-11 21:11:38,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:38,105 INFO L93 Difference]: Finished difference Result 243 states and 287 transitions. [2024-10-11 21:11:38,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:11:38,105 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.444444444444445) internal successors, (139), 10 states have internal predecessors, (139), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 76 [2024-10-11 21:11:38,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:38,107 INFO L225 Difference]: With dead ends: 243 [2024-10-11 21:11:38,107 INFO L226 Difference]: Without dead ends: 240 [2024-10-11 21:11:38,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:11:38,108 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 148 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:38,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 214 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:11:38,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-10-11 21:11:38,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2024-10-11 21:11:38,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 199 states have (on average 1.2060301507537687) internal successors, (240), 218 states have internal predecessors, (240), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 21:11:38,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 280 transitions. [2024-10-11 21:11:38,121 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 280 transitions. Word has length 76 [2024-10-11 21:11:38,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:38,122 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 280 transitions. [2024-10-11 21:11:38,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.444444444444445) internal successors, (139), 10 states have internal predecessors, (139), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-11 21:11:38,122 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 280 transitions. [2024-10-11 21:11:38,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-11 21:11:38,123 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:38,123 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:38,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 21:11:38,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-11 21:11:38,324 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:38,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:38,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1480355867, now seen corresponding path program 1 times [2024-10-11 21:11:38,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:38,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286644816] [2024-10-11 21:11:38,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:38,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:38,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:38,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:38,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:38,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 21:11:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:38,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:11:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:38,434 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 21:11:38,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:38,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286644816] [2024-10-11 21:11:38,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286644816] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:38,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317212920] [2024-10-11 21:11:38,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:38,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:38,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:38,437 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:38,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 21:11:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:38,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:11:38,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:38,624 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 21:11:38,624 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:38,735 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 21:11:38,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317212920] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:11:38,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:11:38,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-11 21:11:38,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520266450] [2024-10-11 21:11:38,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:38,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 21:11:38,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:38,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 21:11:38,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:11:38,737 INFO L87 Difference]: Start difference. First operand 240 states and 280 transitions. Second operand has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-11 21:11:38,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:38,963 INFO L93 Difference]: Finished difference Result 295 states and 345 transitions. [2024-10-11 21:11:38,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 21:11:38,964 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 77 [2024-10-11 21:11:38,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:38,966 INFO L225 Difference]: With dead ends: 295 [2024-10-11 21:11:38,966 INFO L226 Difference]: Without dead ends: 286 [2024-10-11 21:11:38,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-10-11 21:11:38,967 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 160 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:38,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 239 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:11:38,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-10-11 21:11:38,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 250. [2024-10-11 21:11:38,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 213 states have (on average 1.1220657276995305) internal successors, (239), 226 states have internal predecessors, (239), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 21:11:38,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 283 transitions. [2024-10-11 21:11:38,983 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 283 transitions. Word has length 77 [2024-10-11 21:11:38,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:38,984 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 283 transitions. [2024-10-11 21:11:38,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-11 21:11:38,984 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 283 transitions. [2024-10-11 21:11:38,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 21:11:38,985 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:38,985 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:39,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-11 21:11:39,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-11 21:11:39,186 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:39,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:39,186 INFO L85 PathProgramCache]: Analyzing trace with hash -987810713, now seen corresponding path program 1 times [2024-10-11 21:11:39,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:39,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008110784] [2024-10-11 21:11:39,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:39,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:39,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:39,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:39,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:39,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 21:11:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:39,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:11:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:39,316 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 21:11:39,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:39,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008110784] [2024-10-11 21:11:39,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008110784] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:39,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115233718] [2024-10-11 21:11:39,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:39,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:39,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:39,318 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:39,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 21:11:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:39,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 21:11:39,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:39,583 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 21:11:39,584 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:11:39,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115233718] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:39,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:11:39,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-11 21:11:39,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784754350] [2024-10-11 21:11:39,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:39,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 21:11:39,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:39,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 21:11:39,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:11:39,586 INFO L87 Difference]: Start difference. First operand 250 states and 283 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 21:11:39,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:39,713 INFO L93 Difference]: Finished difference Result 252 states and 285 transitions. [2024-10-11 21:11:39,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:11:39,713 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 79 [2024-10-11 21:11:39,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:39,714 INFO L225 Difference]: With dead ends: 252 [2024-10-11 21:11:39,714 INFO L226 Difference]: Without dead ends: 208 [2024-10-11 21:11:39,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:11:39,715 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 74 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:39,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 163 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:11:39,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-10-11 21:11:39,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2024-10-11 21:11:39,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 181 states have (on average 1.0497237569060773) internal successors, (190), 187 states have internal predecessors, (190), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 21:11:39,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 226 transitions. [2024-10-11 21:11:39,728 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 226 transitions. Word has length 79 [2024-10-11 21:11:39,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:39,728 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 226 transitions. [2024-10-11 21:11:39,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 21:11:39,728 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 226 transitions. [2024-10-11 21:11:39,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-11 21:11:39,729 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:39,729 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1] [2024-10-11 21:11:39,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 21:11:39,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-11 21:11:39,934 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:39,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:39,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1800995286, now seen corresponding path program 1 times [2024-10-11 21:11:39,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:39,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120616646] [2024-10-11 21:11:39,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:39,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:40,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:40,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:40,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:40,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 21:11:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:40,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:11:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:40,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 21:11:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:40,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 21:11:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:40,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 21:11:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:40,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 21:11:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:40,155 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 21:11:40,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:40,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120616646] [2024-10-11 21:11:40,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120616646] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:40,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697682589] [2024-10-11 21:11:40,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:40,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:40,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:40,158 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:40,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 21:11:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:40,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 21:11:40,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:40,605 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 21:11:40,606 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:40,870 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 21:11:40,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697682589] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:11:40,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:11:40,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-10-11 21:11:40,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356880478] [2024-10-11 21:11:40,871 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:40,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-11 21:11:40,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:40,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-11 21:11:40,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-10-11 21:11:40,875 INFO L87 Difference]: Start difference. First operand 208 states and 226 transitions. Second operand has 20 states, 19 states have (on average 15.947368421052632) internal successors, (303), 20 states have internal predecessors, (303), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-11 21:11:41,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:41,248 INFO L93 Difference]: Finished difference Result 337 states and 377 transitions. [2024-10-11 21:11:41,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 21:11:41,249 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 15.947368421052632) internal successors, (303), 20 states have internal predecessors, (303), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 145 [2024-10-11 21:11:41,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:41,251 INFO L225 Difference]: With dead ends: 337 [2024-10-11 21:11:41,252 INFO L226 Difference]: Without dead ends: 336 [2024-10-11 21:11:41,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-10-11 21:11:41,253 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 183 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:41,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 273 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:11:41,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-10-11 21:11:41,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 298. [2024-10-11 21:11:41,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 264 states have (on average 1.0643939393939394) internal successors, (281), 270 states have internal predecessors, (281), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 21:11:41,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 331 transitions. [2024-10-11 21:11:41,274 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 331 transitions. Word has length 145 [2024-10-11 21:11:41,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:41,274 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 331 transitions. [2024-10-11 21:11:41,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 15.947368421052632) internal successors, (303), 20 states have internal predecessors, (303), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-11 21:11:41,275 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 331 transitions. [2024-10-11 21:11:41,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-11 21:11:41,276 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:41,276 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1] [2024-10-11 21:11:41,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 21:11:41,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:41,481 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:41,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:41,481 INFO L85 PathProgramCache]: Analyzing trace with hash 168362967, now seen corresponding path program 2 times [2024-10-11 21:11:41,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:41,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613621357] [2024-10-11 21:11:41,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:41,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:41,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:41,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:41,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:41,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 21:11:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:41,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:11:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:41,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 21:11:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:41,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 21:11:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:41,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 21:11:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:41,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 21:11:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:41,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 21:11:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:41,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 21:11:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:41,747 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-11 21:11:41,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:41,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613621357] [2024-10-11 21:11:41,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613621357] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:41,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475777373] [2024-10-11 21:11:41,749 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:11:41,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:41,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:41,751 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:41,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 21:11:41,820 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:11:41,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:11:41,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 21:11:41,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:42,243 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-11 21:11:42,243 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:42,522 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-11 21:11:42,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475777373] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:11:42,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:11:42,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-10-11 21:11:42,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640998353] [2024-10-11 21:11:42,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:42,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-11 21:11:42,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:42,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-11 21:11:42,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-10-11 21:11:42,525 INFO L87 Difference]: Start difference. First operand 298 states and 331 transitions. Second operand has 22 states, 21 states have (on average 16.142857142857142) internal successors, (339), 22 states have internal predecessors, (339), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-10-11 21:11:42,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:42,954 INFO L93 Difference]: Finished difference Result 378 states and 419 transitions. [2024-10-11 21:11:42,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 21:11:42,955 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 16.142857142857142) internal successors, (339), 22 states have internal predecessors, (339), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) Word has length 173 [2024-10-11 21:11:42,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:42,956 INFO L225 Difference]: With dead ends: 378 [2024-10-11 21:11:42,957 INFO L226 Difference]: Without dead ends: 354 [2024-10-11 21:11:42,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=319, Invalid=551, Unknown=0, NotChecked=0, Total=870 [2024-10-11 21:11:42,958 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 223 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:42,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 454 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:11:42,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-10-11 21:11:42,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 318. [2024-10-11 21:11:42,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 282 states have (on average 1.0602836879432624) internal successors, (299), 288 states have internal predecessors, (299), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-11 21:11:42,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 353 transitions. [2024-10-11 21:11:42,975 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 353 transitions. Word has length 173 [2024-10-11 21:11:42,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:42,975 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 353 transitions. [2024-10-11 21:11:42,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 16.142857142857142) internal successors, (339), 22 states have internal predecessors, (339), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-10-11 21:11:42,976 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 353 transitions. [2024-10-11 21:11:42,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-11 21:11:42,977 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:42,978 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1] [2024-10-11 21:11:42,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-11 21:11:43,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:43,178 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:43,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:43,179 INFO L85 PathProgramCache]: Analyzing trace with hash -2140295468, now seen corresponding path program 2 times [2024-10-11 21:11:43,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:43,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131069087] [2024-10-11 21:11:43,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:43,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:11:43,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [544546290] [2024-10-11 21:11:43,221 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:11:43,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:43,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:43,223 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:43,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 21:11:43,304 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:11:43,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:11:43,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 21:11:43,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:43,493 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 21:11:43,493 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:43,866 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 21:11:43,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:43,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131069087] [2024-10-11 21:11:43,867 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:11:43,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544546290] [2024-10-11 21:11:43,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544546290] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:11:43,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:11:43,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-11 21:11:43,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740552070] [2024-10-11 21:11:43,867 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:43,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 21:11:43,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:43,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 21:11:43,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-10-11 21:11:43,869 INFO L87 Difference]: Start difference. First operand 318 states and 353 transitions. Second operand has 12 states, 11 states have (on average 27.0) internal successors, (297), 12 states have internal predecessors, (297), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-10-11 21:11:44,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:44,473 INFO L93 Difference]: Finished difference Result 511 states and 564 transitions. [2024-10-11 21:11:44,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 21:11:44,474 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 27.0) internal successors, (297), 12 states have internal predecessors, (297), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 212 [2024-10-11 21:11:44,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:44,476 INFO L225 Difference]: With dead ends: 511 [2024-10-11 21:11:44,476 INFO L226 Difference]: Without dead ends: 509 [2024-10-11 21:11:44,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-10-11 21:11:44,477 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 433 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:44,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 805 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 21:11:44,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-10-11 21:11:44,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 432. [2024-10-11 21:11:44,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 387 states have (on average 1.0594315245478036) internal successors, (410), 393 states have internal predecessors, (410), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-11 21:11:44,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 482 transitions. [2024-10-11 21:11:44,504 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 482 transitions. Word has length 212 [2024-10-11 21:11:44,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:44,504 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 482 transitions. [2024-10-11 21:11:44,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 27.0) internal successors, (297), 12 states have internal predecessors, (297), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-10-11 21:11:44,505 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 482 transitions. [2024-10-11 21:11:44,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-10-11 21:11:44,506 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:44,506 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1] [2024-10-11 21:11:44,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 21:11:44,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:44,707 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:44,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:44,707 INFO L85 PathProgramCache]: Analyzing trace with hash -832737522, now seen corresponding path program 2 times [2024-10-11 21:11:44,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:44,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030038830] [2024-10-11 21:11:44,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:44,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:11:44,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1909113278] [2024-10-11 21:11:44,735 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:11:44,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:44,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:44,738 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:44,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 21:11:44,860 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:11:44,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:11:44,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 21:11:44,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:45,052 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 21:11:45,053 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:45,389 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 21:11:45,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:45,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030038830] [2024-10-11 21:11:45,389 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:11:45,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909113278] [2024-10-11 21:11:45,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909113278] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:11:45,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:11:45,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-11 21:11:45,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996757208] [2024-10-11 21:11:45,390 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:45,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 21:11:45,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:45,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 21:11:45,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-10-11 21:11:45,392 INFO L87 Difference]: Start difference. First operand 432 states and 482 transitions. Second operand has 12 states, 11 states have (on average 27.363636363636363) internal successors, (301), 12 states have internal predecessors, (301), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-10-11 21:11:45,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:45,829 INFO L93 Difference]: Finished difference Result 504 states and 562 transitions. [2024-10-11 21:11:45,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 21:11:45,829 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 27.363636363636363) internal successors, (301), 12 states have internal predecessors, (301), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) Word has length 219 [2024-10-11 21:11:45,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:45,832 INFO L225 Difference]: With dead ends: 504 [2024-10-11 21:11:45,832 INFO L226 Difference]: Without dead ends: 460 [2024-10-11 21:11:45,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-10-11 21:11:45,833 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 308 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:45,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 906 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:11:45,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-10-11 21:11:45,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 424. [2024-10-11 21:11:45,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 379 states have (on average 1.0395778364116095) internal successors, (394), 385 states have internal predecessors, (394), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-11 21:11:45,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 466 transitions. [2024-10-11 21:11:45,855 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 466 transitions. Word has length 219 [2024-10-11 21:11:45,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:45,855 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 466 transitions. [2024-10-11 21:11:45,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 27.363636363636363) internal successors, (301), 12 states have internal predecessors, (301), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-10-11 21:11:45,855 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 466 transitions. [2024-10-11 21:11:45,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-10-11 21:11:45,859 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:45,859 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1] [2024-10-11 21:11:45,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-11 21:11:46,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-11 21:11:46,060 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:46,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:46,061 INFO L85 PathProgramCache]: Analyzing trace with hash -842441714, now seen corresponding path program 2 times [2024-10-11 21:11:46,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:46,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401317587] [2024-10-11 21:11:46,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:46,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 21:11:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:11:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 21:11:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 21:11:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 21:11:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 21:11:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 21:11:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 21:11:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 21:11:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 21:11:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 21:11:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 21:11:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 21:11:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 21:11:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 21:11:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-11 21:11:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-11 21:11:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-11 21:11:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:46,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-11 21:11:46,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:46,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401317587] [2024-10-11 21:11:46,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401317587] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:46,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738848098] [2024-10-11 21:11:46,768 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:11:46,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:46,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:46,770 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:46,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 21:11:46,866 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:11:46,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:11:46,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:11:46,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:47,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2024-10-11 21:11:47,232 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:47,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2024-10-11 21:11:47,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738848098] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:11:47,645 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:11:47,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 23 [2024-10-11 21:11:47,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414822504] [2024-10-11 21:11:47,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:47,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-11 21:11:47,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:47,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-11 21:11:47,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2024-10-11 21:11:47,648 INFO L87 Difference]: Start difference. First operand 424 states and 466 transitions. Second operand has 24 states, 23 states have (on average 14.217391304347826) internal successors, (327), 24 states have internal predecessors, (327), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-10-11 21:11:49,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:49,030 INFO L93 Difference]: Finished difference Result 440 states and 484 transitions. [2024-10-11 21:11:49,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-11 21:11:49,031 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 14.217391304347826) internal successors, (327), 24 states have internal predecessors, (327), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) Word has length 337 [2024-10-11 21:11:49,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:49,033 INFO L225 Difference]: With dead ends: 440 [2024-10-11 21:11:49,034 INFO L226 Difference]: Without dead ends: 439 [2024-10-11 21:11:49,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 762 GetRequests, 706 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=511, Invalid=2795, Unknown=0, NotChecked=0, Total=3306 [2024-10-11 21:11:49,035 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 418 mSDsluCounter, 1790 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1964 SdHoareTripleChecker+Invalid, 1742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:49,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1964 Invalid, 1742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 21:11:49,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-10-11 21:11:49,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 423. [2024-10-11 21:11:49,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 379 states have (on average 1.029023746701847) internal successors, (390), 384 states have internal predecessors, (390), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-11 21:11:49,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 462 transitions. [2024-10-11 21:11:49,086 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 462 transitions. Word has length 337 [2024-10-11 21:11:49,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:49,087 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 462 transitions. [2024-10-11 21:11:49,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 14.217391304347826) internal successors, (327), 24 states have internal predecessors, (327), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-10-11 21:11:49,088 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 462 transitions. [2024-10-11 21:11:49,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-10-11 21:11:49,094 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:49,094 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1] [2024-10-11 21:11:49,112 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-11 21:11:49,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:49,295 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:49,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:49,295 INFO L85 PathProgramCache]: Analyzing trace with hash -313171013, now seen corresponding path program 3 times [2024-10-11 21:11:49,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:49,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737126186] [2024-10-11 21:11:49,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:49,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 21:11:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:11:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 21:11:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 21:11:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 21:11:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 21:11:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 21:11:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 21:11:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 21:11:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 21:11:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 21:11:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 21:11:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 21:11:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 21:11:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 21:11:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-11 21:11:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-11 21:11:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-11 21:11:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 21:11:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:49,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-10-11 21:11:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:50,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 0 proven. 896 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 21:11:50,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:50,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737126186] [2024-10-11 21:11:50,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737126186] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:50,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190040528] [2024-10-11 21:11:50,002 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 21:11:50,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:50,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:50,004 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:50,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 21:11:50,064 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 21:11:50,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:11:50,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 21:11:50,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:50,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 126 proven. 176 refuted. 0 times theorem prover too weak. 1606 trivial. 0 not checked. [2024-10-11 21:11:50,589 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:51,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190040528] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:51,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:11:51,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 23 [2024-10-11 21:11:51,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494000557] [2024-10-11 21:11:51,204 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:51,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-11 21:11:51,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:51,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-11 21:11:51,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=763, Unknown=0, NotChecked=0, Total=870 [2024-10-11 21:11:51,206 INFO L87 Difference]: Start difference. First operand 423 states and 462 transitions. Second operand has 24 states, 23 states have (on average 13.695652173913043) internal successors, (315), 24 states have internal predecessors, (315), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-10-11 21:11:54,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:54,764 INFO L93 Difference]: Finished difference Result 425 states and 464 transitions. [2024-10-11 21:11:54,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-10-11 21:11:54,765 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 13.695652173913043) internal successors, (315), 24 states have internal predecessors, (315), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) Word has length 365 [2024-10-11 21:11:54,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:54,767 INFO L225 Difference]: With dead ends: 425 [2024-10-11 21:11:54,767 INFO L226 Difference]: Without dead ends: 407 [2024-10-11 21:11:54,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=964, Invalid=4586, Unknown=0, NotChecked=0, Total=5550 [2024-10-11 21:11:54,771 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 551 mSDsluCounter, 1192 mSDsCounter, 0 mSdLazyCounter, 3063 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 3150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 3063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:54,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 1274 Invalid, 3150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 3063 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-11 21:11:54,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-10-11 21:11:54,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 405. [2024-10-11 21:11:54,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 365 states have (on average 1.010958904109589) internal successors, (369), 368 states have internal predecessors, (369), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-11 21:11:54,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 437 transitions. [2024-10-11 21:11:54,798 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 437 transitions. Word has length 365 [2024-10-11 21:11:54,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:54,799 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 437 transitions. [2024-10-11 21:11:54,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 13.695652173913043) internal successors, (315), 24 states have internal predecessors, (315), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-10-11 21:11:54,799 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 437 transitions. [2024-10-11 21:11:54,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2024-10-11 21:11:54,807 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:54,807 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1] [2024-10-11 21:11:54,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-11 21:11:55,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-11 21:11:55,012 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:55,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:55,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1293114942, now seen corresponding path program 3 times [2024-10-11 21:11:55,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:55,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407862716] [2024-10-11 21:11:55,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:55,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:11:55,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1393651180] [2024-10-11 21:11:55,094 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 21:11:55,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:55,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:55,096 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:55,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-11 21:11:55,170 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-11 21:11:55,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:11:55,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 21:11:55,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:55,378 INFO L134 CoverageAnalysis]: Checked inductivity of 3630 backedges. 387 proven. 0 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2024-10-11 21:11:55,378 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:11:55,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:55,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407862716] [2024-10-11 21:11:55,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:11:55,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393651180] [2024-10-11 21:11:55,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393651180] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:55,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:11:55,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 21:11:55,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328020789] [2024-10-11 21:11:55,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:55,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 21:11:55,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:55,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 21:11:55,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:11:55,381 INFO L87 Difference]: Start difference. First operand 405 states and 437 transitions. Second operand has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 21:11:55,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:55,751 INFO L93 Difference]: Finished difference Result 407 states and 439 transitions. [2024-10-11 21:11:55,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 21:11:55,752 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 500 [2024-10-11 21:11:55,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:55,755 INFO L225 Difference]: With dead ends: 407 [2024-10-11 21:11:55,755 INFO L226 Difference]: Without dead ends: 405 [2024-10-11 21:11:55,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:11:55,756 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 113 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:55,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 77 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:11:55,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-10-11 21:11:55,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 403. [2024-10-11 21:11:55,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 365 states have (on average 1.0054794520547945) internal successors, (367), 366 states have internal predecessors, (367), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-11 21:11:55,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 435 transitions. [2024-10-11 21:11:55,795 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 435 transitions. Word has length 500 [2024-10-11 21:11:55,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:55,796 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 435 transitions. [2024-10-11 21:11:55,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 21:11:55,796 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 435 transitions. [2024-10-11 21:11:55,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2024-10-11 21:11:55,799 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:55,799 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1] [2024-10-11 21:11:55,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-11 21:11:56,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:56,004 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:56,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:56,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1593930852, now seen corresponding path program 3 times [2024-10-11 21:11:56,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:56,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772180327] [2024-10-11 21:11:56,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:56,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:11:56,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1178894285] [2024-10-11 21:11:56,079 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 21:11:56,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:56,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:56,081 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:56,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-11 21:11:56,193 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 21:11:56,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:11:56,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 21:11:56,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:56,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 180 proven. 234 refuted. 0 times theorem prover too weak. 3370 trivial. 0 not checked. [2024-10-11 21:11:56,713 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:12:01,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:12:01,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772180327] [2024-10-11 21:12:01,287 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:12:01,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178894285] [2024-10-11 21:12:01,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178894285] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:12:01,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:12:01,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 21:12:01,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981720136] [2024-10-11 21:12:01,288 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:12:01,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 21:12:01,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:12:01,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 21:12:01,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=192, Unknown=1, NotChecked=0, Total=240 [2024-10-11 21:12:01,290 INFO L87 Difference]: Start difference. First operand 403 states and 435 transitions. Second operand has 9 states, 8 states have (on average 7.875) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-11 21:12:01,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:12:01,848 INFO L93 Difference]: Finished difference Result 405 states and 437 transitions. [2024-10-11 21:12:01,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 21:12:01,849 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 507 [2024-10-11 21:12:01,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:12:01,850 INFO L225 Difference]: With dead ends: 405 [2024-10-11 21:12:01,850 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 21:12:01,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 526 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=124, Invalid=381, Unknown=1, NotChecked=0, Total=506 [2024-10-11 21:12:01,852 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 165 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:12:01,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 89 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:12:01,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 21:12:01,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 21:12:01,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:12:01,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 21:12:01,855 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 507 [2024-10-11 21:12:01,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:12:01,855 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 21:12:01,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-11 21:12:01,855 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 21:12:01,855 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 21:12:01,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 52 remaining) [2024-10-11 21:12:01,860 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 52 remaining) [2024-10-11 21:12:01,860 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 52 remaining) [2024-10-11 21:12:01,860 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 52 remaining) [2024-10-11 21:12:01,860 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 52 remaining) [2024-10-11 21:12:01,860 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 52 remaining) [2024-10-11 21:12:01,860 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 52 remaining) [2024-10-11 21:12:01,860 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 52 remaining) [2024-10-11 21:12:01,861 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 52 remaining) [2024-10-11 21:12:01,861 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 52 remaining) [2024-10-11 21:12:01,861 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 52 remaining) [2024-10-11 21:12:01,861 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 52 remaining) [2024-10-11 21:12:01,861 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 52 remaining) [2024-10-11 21:12:01,861 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 52 remaining) [2024-10-11 21:12:01,861 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 52 remaining) [2024-10-11 21:12:01,861 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 52 remaining) [2024-10-11 21:12:01,861 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 52 remaining) [2024-10-11 21:12:01,861 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 52 remaining) [2024-10-11 21:12:01,861 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 52 remaining) [2024-10-11 21:12:01,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 52 remaining) [2024-10-11 21:12:01,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 52 remaining) [2024-10-11 21:12:01,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 52 remaining) [2024-10-11 21:12:01,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 52 remaining) [2024-10-11 21:12:01,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 52 remaining) [2024-10-11 21:12:01,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 52 remaining) [2024-10-11 21:12:01,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 52 remaining) [2024-10-11 21:12:01,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 52 remaining) [2024-10-11 21:12:01,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 52 remaining) [2024-10-11 21:12:01,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 52 remaining) [2024-10-11 21:12:01,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 52 remaining) [2024-10-11 21:12:01,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 52 remaining) [2024-10-11 21:12:01,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 52 remaining) [2024-10-11 21:12:01,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 52 remaining) [2024-10-11 21:12:01,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 52 remaining) [2024-10-11 21:12:01,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 52 remaining) [2024-10-11 21:12:01,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 52 remaining) [2024-10-11 21:12:01,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 52 remaining) [2024-10-11 21:12:01,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 52 remaining) [2024-10-11 21:12:01,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 52 remaining) [2024-10-11 21:12:01,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 52 remaining) [2024-10-11 21:12:01,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 52 remaining) [2024-10-11 21:12:01,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 52 remaining) [2024-10-11 21:12:01,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 52 remaining) [2024-10-11 21:12:01,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 52 remaining) [2024-10-11 21:12:01,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 52 remaining) [2024-10-11 21:12:01,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 52 remaining) [2024-10-11 21:12:01,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 52 remaining) [2024-10-11 21:12:01,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 52 remaining) [2024-10-11 21:12:01,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 52 remaining) [2024-10-11 21:12:01,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 52 remaining) [2024-10-11 21:12:01,866 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 52 remaining) [2024-10-11 21:12:01,866 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 52 remaining) [2024-10-11 21:12:01,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-11 21:12:02,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-11 21:12:02,069 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:12:02,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 21:12:06,270 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 21:12:06,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 09:12:06 BoogieIcfgContainer [2024-10-11 21:12:06,297 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 21:12:06,298 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 21:12:06,298 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 21:12:06,298 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 21:12:06,299 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:11:31" (3/4) ... [2024-10-11 21:12:06,303 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 21:12:06,307 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-11 21:12:06,314 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-11 21:12:06,315 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 21:12:06,315 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 21:12:06,315 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 21:12:06,400 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 21:12:06,400 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 21:12:06,400 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 21:12:06,401 INFO L158 Benchmark]: Toolchain (without parser) took 36177.81ms. Allocated memory was 140.5MB in the beginning and 343.9MB in the end (delta: 203.4MB). Free memory was 86.2MB in the beginning and 124.9MB in the end (delta: -38.7MB). Peak memory consumption was 167.2MB. Max. memory is 16.1GB. [2024-10-11 21:12:06,401 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 21:12:06,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.03ms. Allocated memory is still 140.5MB. Free memory was 85.8MB in the beginning and 73.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 21:12:06,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.40ms. Allocated memory is still 140.5MB. Free memory was 73.6MB in the beginning and 71.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 21:12:06,402 INFO L158 Benchmark]: Boogie Preprocessor took 33.91ms. Allocated memory is still 140.5MB. Free memory was 71.8MB in the beginning and 70.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 21:12:06,402 INFO L158 Benchmark]: RCFGBuilder took 619.72ms. Allocated memory was 140.5MB in the beginning and 197.1MB in the end (delta: 56.6MB). Free memory was 69.8MB in the beginning and 164.2MB in the end (delta: -94.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 21:12:06,402 INFO L158 Benchmark]: TraceAbstraction took 35107.30ms. Allocated memory was 197.1MB in the beginning and 343.9MB in the end (delta: 146.8MB). Free memory was 164.2MB in the beginning and 131.2MB in the end (delta: 33.0MB). Peak memory consumption was 205.2MB. Max. memory is 16.1GB. [2024-10-11 21:12:06,402 INFO L158 Benchmark]: Witness Printer took 102.18ms. Allocated memory is still 343.9MB. Free memory was 131.2MB in the beginning and 124.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 21:12:06,408 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.03ms. Allocated memory is still 140.5MB. Free memory was 85.8MB in the beginning and 73.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.40ms. Allocated memory is still 140.5MB. Free memory was 73.6MB in the beginning and 71.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.91ms. Allocated memory is still 140.5MB. Free memory was 71.8MB in the beginning and 70.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 619.72ms. Allocated memory was 140.5MB in the beginning and 197.1MB in the end (delta: 56.6MB). Free memory was 69.8MB in the beginning and 164.2MB in the end (delta: -94.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 35107.30ms. Allocated memory was 197.1MB in the beginning and 343.9MB in the end (delta: 146.8MB). Free memory was 164.2MB in the beginning and 131.2MB in the end (delta: 33.0MB). Peak memory consumption was 205.2MB. Max. memory is 16.1GB. * Witness Printer took 102.18ms. Allocated memory is still 343.9MB. Free memory was 131.2MB in the beginning and 124.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 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 - 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 - 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 - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 120 locations, 52 error locations. Started 1 CEGAR loops. OverallTime: 30.8s, OverallIterations: 26, TraceHistogramMax: 32, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4109 SdHoareTripleChecker+Valid, 6.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4035 mSDsluCounter, 9856 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7453 mSDsCounter, 554 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8599 IncrementalHoareTripleChecker+Invalid, 9153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 554 mSolverCounterUnsat, 2403 mSDtfsCounter, 8599 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4960 GetRequests, 4644 SyntacticMatches, 0 SemanticMatches, 316 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2490 ImplicationChecksByTransitivity, 8.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=432occurred in iteration=21, InterpolantAutomatonStates: 242, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 26 MinimizatonAttempts, 653 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 14.5s InterpolantComputationTime, 6347 NumberOfCodeBlocks, 5148 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 6129 ConstructedInterpolants, 4 QuantifiedInterpolants, 25282 SizeOfPredicates, 16 NumberOfNonLiveVariables, 3223 ConjunctsInSsa, 134 ConjunctsInUnsatCore, 47 InterpolantComputations, 14 PerfectInterpolantSequences, 16920/21279 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 52 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((0 <= (counter + 2147483648)) && (n <= 2147483647)) && (counter <= 50)) && (3 <= t)) && (1 <= a)) && (a <= 4611686018427387903)) && (s <= ((__int128) 2147483647 + t))) && (((__int128) s * 4) == ((((__int128) t * t) + ((__int128) 2 * t)) + 1))) || (((((n <= 2147483647) && (t == 1)) && (counter == 0)) && (a == 0)) && (s == 1))) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: ((cond != 0) || ((counter + 2147483648) < 0)) RESULT: Ultimate proved your program to be correct! [2024-10-11 21:12:06,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE