./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/cohendiv-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/cohendiv-ll.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 601ddeb38cc85433f6271611bfd2617c2fcbf2b89119dbe2c319aedc14aa3b17 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:26:36,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:26:36,304 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:26:36,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:26:36,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:26:36,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:26:36,340 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:26:36,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:26:36,341 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:26:36,341 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:26:36,342 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:26:36,342 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:26:36,343 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:26:36,345 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:26:36,346 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:26:36,346 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:26:36,346 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:26:36,346 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:26:36,347 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:26:36,347 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:26:36,347 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:26:36,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:26:36,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:26:36,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:26:36,352 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:26:36,352 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:26:36,352 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:26:36,352 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:26:36,353 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:26:36,353 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:26:36,353 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:26:36,353 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:26:36,353 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:26:36,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:26:36,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:26:36,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:26:36,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:26:36,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:26:36,355 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:26:36,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:26:36,356 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:26:36,357 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:26:36,357 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:26:36,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:26:36,358 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 601ddeb38cc85433f6271611bfd2617c2fcbf2b89119dbe2c319aedc14aa3b17 [2024-11-19 10:26:36,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:26:36,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:26:36,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:26:36,669 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:26:36,670 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:26:36,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/cohendiv-ll.c [2024-11-19 10:26:38,058 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:26:38,231 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:26:38,232 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohendiv-ll.c [2024-11-19 10:26:38,238 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0989e825f/6147dae362094cd2824dbe5c569281a9/FLAGf9963dd63 [2024-11-19 10:26:38,250 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0989e825f/6147dae362094cd2824dbe5c569281a9 [2024-11-19 10:26:38,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:26:38,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:26:38,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:26:38,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:26:38,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:26:38,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:26:38" (1/1) ... [2024-11-19 10:26:38,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c4e96d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:38, skipping insertion in model container [2024-11-19 10:26:38,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:26:38" (1/1) ... [2024-11-19 10:26:38,281 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:26:38,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:26:38,477 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:26:38,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:26:38,509 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:26:38,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:38 WrapperNode [2024-11-19 10:26:38,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:26:38,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:26:38,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:26:38,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:26:38,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:38" (1/1) ... [2024-11-19 10:26:38,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:38" (1/1) ... [2024-11-19 10:26:38,545 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2024-11-19 10:26:38,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:26:38,550 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:26:38,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:26:38,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:26:38,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:38" (1/1) ... [2024-11-19 10:26:38,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:38" (1/1) ... [2024-11-19 10:26:38,572 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:38" (1/1) ... [2024-11-19 10:26:38,592 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 10:26:38,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:38" (1/1) ... [2024-11-19 10:26:38,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:38" (1/1) ... [2024-11-19 10:26:38,598 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:38" (1/1) ... [2024-11-19 10:26:38,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:38" (1/1) ... [2024-11-19 10:26:38,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:38" (1/1) ... [2024-11-19 10:26:38,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:38" (1/1) ... [2024-11-19 10:26:38,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:26:38,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:26:38,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:26:38,613 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:26:38,614 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:38" (1/1) ... [2024-11-19 10:26:38,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:26:38,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:38,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 10:26:38,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 10:26:38,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:26:38,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:26:38,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:26:38,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:26:38,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 10:26:38,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 10:26:38,767 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:26:38,769 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:26:39,205 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-19 10:26:39,205 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:26:39,232 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:26:39,232 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 10:26:39,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:26:39 BoogieIcfgContainer [2024-11-19 10:26:39,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:26:39,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:26:39,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:26:39,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:26:39,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:26:38" (1/3) ... [2024-11-19 10:26:39,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@500de01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:26:39, skipping insertion in model container [2024-11-19 10:26:39,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:38" (2/3) ... [2024-11-19 10:26:39,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@500de01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:26:39, skipping insertion in model container [2024-11-19 10:26:39,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:26:39" (3/3) ... [2024-11-19 10:26:39,247 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll.c [2024-11-19 10:26:39,284 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:26:39,284 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-19 10:26:39,346 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:26:39,352 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;@454434d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:26:39,352 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-19 10:26:39,356 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 46 states have (on average 1.826086956521739) internal successors, (84), 76 states have internal predecessors, (84), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 10:26:39,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 10:26:39,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:39,362 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 10:26:39,363 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:39,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:39,369 INFO L85 PathProgramCache]: Analyzing trace with hash 889508925, now seen corresponding path program 1 times [2024-11-19 10:26:39,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:39,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697516201] [2024-11-19 10:26:39,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:39,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:39,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:39,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:39,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697516201] [2024-11-19 10:26:39,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697516201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:39,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:39,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:26:39,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612646718] [2024-11-19 10:26:39,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:39,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 10:26:39,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:39,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 10:26:39,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:26:39,524 INFO L87 Difference]: Start difference. First operand has 85 states, 46 states have (on average 1.826086956521739) internal successors, (84), 76 states have internal predecessors, (84), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:39,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:39,545 INFO L93 Difference]: Finished difference Result 166 states and 198 transitions. [2024-11-19 10:26:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 10:26:39,547 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-19 10:26:39,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:39,553 INFO L225 Difference]: With dead ends: 166 [2024-11-19 10:26:39,553 INFO L226 Difference]: Without dead ends: 78 [2024-11-19 10:26:39,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:26:39,559 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:39,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:39,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-19 10:26:39,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-19 10:26:39,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 41 states have (on average 1.7560975609756098) internal successors, (72), 70 states have internal predecessors, (72), 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) [2024-11-19 10:26:39,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 84 transitions. [2024-11-19 10:26:39,591 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 84 transitions. Word has length 6 [2024-11-19 10:26:39,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:39,592 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 84 transitions. [2024-11-19 10:26:39,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:39,592 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 84 transitions. [2024-11-19 10:26:39,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 10:26:39,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:39,593 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 10:26:39,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:26:39,593 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:39,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:39,594 INFO L85 PathProgramCache]: Analyzing trace with hash 889568486, now seen corresponding path program 1 times [2024-11-19 10:26:39,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:39,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215184571] [2024-11-19 10:26:39,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:39,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:39,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1651590550] [2024-11-19 10:26:39,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:39,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:39,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:39,614 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:39,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:26:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:39,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:26:39,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:39,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:39,716 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:39,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:39,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215184571] [2024-11-19 10:26:39,717 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:39,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651590550] [2024-11-19 10:26:39,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651590550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:39,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:39,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:26:39,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583225453] [2024-11-19 10:26:39,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:39,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:26:39,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:39,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:26:39,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:39,722 INFO L87 Difference]: Start difference. First operand 78 states and 84 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:39,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:39,870 INFO L93 Difference]: Finished difference Result 102 states and 110 transitions. [2024-11-19 10:26:39,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:26:39,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-19 10:26:39,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:39,872 INFO L225 Difference]: With dead ends: 102 [2024-11-19 10:26:39,872 INFO L226 Difference]: Without dead ends: 100 [2024-11-19 10:26:39,873 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 [2024-11-19 10:26:39,874 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 18 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:39,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 143 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:39,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-19 10:26:39,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 81. [2024-11-19 10:26:39,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 44 states have (on average 1.7045454545454546) internal successors, (75), 73 states have internal predecessors, (75), 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) [2024-11-19 10:26:39,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 87 transitions. [2024-11-19 10:26:39,885 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 87 transitions. Word has length 6 [2024-11-19 10:26:39,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:39,886 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 87 transitions. [2024-11-19 10:26:39,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:26:39,886 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2024-11-19 10:26:39,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-19 10:26:39,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:39,887 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:39,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 10:26:40,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:40,092 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:40,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:40,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1886542531, now seen corresponding path program 1 times [2024-11-19 10:26:40,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:40,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37446150] [2024-11-19 10:26:40,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:40,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:40,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1432953869] [2024-11-19 10:26:40,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:40,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:40,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:40,130 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:40,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:26:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:40,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:26:40,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:40,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:40,223 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:40,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:40,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37446150] [2024-11-19 10:26:40,224 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:40,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432953869] [2024-11-19 10:26:40,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432953869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:40,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:40,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:26:40,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400490114] [2024-11-19 10:26:40,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:40,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:26:40,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:40,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:26:40,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:40,227 INFO L87 Difference]: Start difference. First operand 81 states and 87 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:26:40,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:40,366 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2024-11-19 10:26:40,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:26:40,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-19 10:26:40,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:40,371 INFO L225 Difference]: With dead ends: 138 [2024-11-19 10:26:40,371 INFO L226 Difference]: Without dead ends: 132 [2024-11-19 10:26:40,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:40,372 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 45 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:40,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 118 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:40,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-19 10:26:40,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 112. [2024-11-19 10:26:40,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 69 states have (on average 1.710144927536232) internal successors, (118), 98 states have internal predecessors, (118), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-19 10:26:40,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 142 transitions. [2024-11-19 10:26:40,394 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 142 transitions. Word has length 13 [2024-11-19 10:26:40,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:40,395 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 142 transitions. [2024-11-19 10:26:40,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:26:40,395 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 142 transitions. [2024-11-19 10:26:40,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:26:40,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:40,395 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:40,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:26:40,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-19 10:26:40,596 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:40,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:40,597 INFO L85 PathProgramCache]: Analyzing trace with hash -491171553, now seen corresponding path program 1 times [2024-11-19 10:26:40,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:40,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233205041] [2024-11-19 10:26:40,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:40,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:40,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [444216285] [2024-11-19 10:26:40,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:40,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:40,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:40,624 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:40,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:26:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:40,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:26:40,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:40,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:40,780 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:40,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:40,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233205041] [2024-11-19 10:26:40,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:40,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444216285] [2024-11-19 10:26:40,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444216285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:40,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:40,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:40,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139961814] [2024-11-19 10:26:40,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:40,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:40,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:40,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:40,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:40,782 INFO L87 Difference]: Start difference. First operand 112 states and 142 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:26:40,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:40,966 INFO L93 Difference]: Finished difference Result 131 states and 149 transitions. [2024-11-19 10:26:40,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:40,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-19 10:26:40,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:40,969 INFO L225 Difference]: With dead ends: 131 [2024-11-19 10:26:40,969 INFO L226 Difference]: Without dead ends: 128 [2024-11-19 10:26:40,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:26:40,971 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 155 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:40,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 118 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:26:40,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-19 10:26:40,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 113. [2024-11-19 10:26:40,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 70 states have (on average 1.6714285714285715) internal successors, (117), 99 states have internal predecessors, (117), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-19 10:26:40,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 141 transitions. [2024-11-19 10:26:40,986 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 141 transitions. Word has length 15 [2024-11-19 10:26:40,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:40,986 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 141 transitions. [2024-11-19 10:26:40,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:26:40,987 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 141 transitions. [2024-11-19 10:26:40,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 10:26:40,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:40,987 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:41,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:26:41,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:41,188 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:41,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:41,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1953551102, now seen corresponding path program 1 times [2024-11-19 10:26:41,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:41,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642230183] [2024-11-19 10:26:41,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:41,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:41,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [793567954] [2024-11-19 10:26:41,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:41,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:41,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:41,209 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:41,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:26:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:41,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:26:41,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:41,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:26:41,358 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:41,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:41,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642230183] [2024-11-19 10:26:41,359 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:41,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793567954] [2024-11-19 10:26:41,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793567954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:41,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:41,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:41,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971348749] [2024-11-19 10:26:41,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:41,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:41,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:41,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:41,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:41,362 INFO L87 Difference]: Start difference. First operand 113 states and 141 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:26:41,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:41,578 INFO L93 Difference]: Finished difference Result 131 states and 146 transitions. [2024-11-19 10:26:41,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:41,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-19 10:26:41,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:41,580 INFO L225 Difference]: With dead ends: 131 [2024-11-19 10:26:41,581 INFO L226 Difference]: Without dead ends: 124 [2024-11-19 10:26:41,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:26:41,582 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 151 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:41,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 121 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:26:41,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-19 10:26:41,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 110. [2024-11-19 10:26:41,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 67 states have (on average 1.6567164179104477) internal successors, (111), 96 states have internal predecessors, (111), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-19 10:26:41,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 135 transitions. [2024-11-19 10:26:41,605 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 135 transitions. Word has length 16 [2024-11-19 10:26:41,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:41,606 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 135 transitions. [2024-11-19 10:26:41,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:26:41,606 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 135 transitions. [2024-11-19 10:26:41,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-19 10:26:41,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:41,611 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] [2024-11-19 10:26:41,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 10:26:41,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:41,812 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:41,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:41,813 INFO L85 PathProgramCache]: Analyzing trace with hash -833501705, now seen corresponding path program 1 times [2024-11-19 10:26:41,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:41,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807088939] [2024-11-19 10:26:41,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:41,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:41,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747592107] [2024-11-19 10:26:41,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:41,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:41,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:41,848 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:41,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:26:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:41,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:26:41,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:41,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:26:41,949 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:41,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:41,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807088939] [2024-11-19 10:26:41,949 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:41,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747592107] [2024-11-19 10:26:41,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747592107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:41,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:41,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:41,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917535056] [2024-11-19 10:26:41,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:41,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:41,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:41,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:41,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:41,952 INFO L87 Difference]: Start difference. First operand 110 states and 135 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-11-19 10:26:42,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:42,195 INFO L93 Difference]: Finished difference Result 177 states and 243 transitions. [2024-11-19 10:26:42,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:42,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 24 [2024-11-19 10:26:42,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:42,198 INFO L225 Difference]: With dead ends: 177 [2024-11-19 10:26:42,198 INFO L226 Difference]: Without dead ends: 172 [2024-11-19 10:26:42,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:42,199 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 101 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:42,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 71 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:26:42,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-19 10:26:42,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 156. [2024-11-19 10:26:42,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 105 states have (on average 1.6285714285714286) internal successors, (171), 134 states have internal predecessors, (171), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 10:26:42,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 211 transitions. [2024-11-19 10:26:42,232 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 211 transitions. Word has length 24 [2024-11-19 10:26:42,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:42,233 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 211 transitions. [2024-11-19 10:26:42,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-11-19 10:26:42,233 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 211 transitions. [2024-11-19 10:26:42,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-19 10:26:42,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:42,234 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] [2024-11-19 10:26:42,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 10:26:42,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:42,435 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:42,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:42,435 INFO L85 PathProgramCache]: Analyzing trace with hash -68748999, now seen corresponding path program 1 times [2024-11-19 10:26:42,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:42,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314843913] [2024-11-19 10:26:42,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:42,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:42,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730413128] [2024-11-19 10:26:42,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:42,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:42,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:42,454 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:42,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:26:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:42,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:26:42,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:42,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:26:42,528 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:42,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:42,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314843913] [2024-11-19 10:26:42,528 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:42,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730413128] [2024-11-19 10:26:42,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730413128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:42,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:42,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:42,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742619131] [2024-11-19 10:26:42,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:42,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:42,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:42,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:42,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:42,530 INFO L87 Difference]: Start difference. First operand 156 states and 211 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-11-19 10:26:42,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:42,667 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2024-11-19 10:26:42,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:42,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 25 [2024-11-19 10:26:42,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:42,669 INFO L225 Difference]: With dead ends: 175 [2024-11-19 10:26:42,669 INFO L226 Difference]: Without dead ends: 172 [2024-11-19 10:26:42,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:42,670 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 73 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:42,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 83 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:42,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-19 10:26:42,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 157. [2024-11-19 10:26:42,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 106 states have (on average 1.5849056603773586) internal successors, (168), 135 states have internal predecessors, (168), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 10:26:42,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 208 transitions. [2024-11-19 10:26:42,688 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 208 transitions. Word has length 25 [2024-11-19 10:26:42,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:42,688 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 208 transitions. [2024-11-19 10:26:42,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-11-19 10:26:42,688 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 208 transitions. [2024-11-19 10:26:42,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-19 10:26:42,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:42,690 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 10:26:42,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 10:26:42,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:42,890 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:42,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:42,891 INFO L85 PathProgramCache]: Analyzing trace with hash 2090297150, now seen corresponding path program 1 times [2024-11-19 10:26:42,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:42,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410319804] [2024-11-19 10:26:42,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:42,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:43,038 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:26:43,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:43,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410319804] [2024-11-19 10:26:43,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410319804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:43,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:43,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:43,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777282938] [2024-11-19 10:26:43,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:43,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:43,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:43,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:43,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:43,040 INFO L87 Difference]: Start difference. First operand 157 states and 208 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-11-19 10:26:43,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:43,564 INFO L93 Difference]: Finished difference Result 190 states and 237 transitions. [2024-11-19 10:26:43,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:26:43,565 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 45 [2024-11-19 10:26:43,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:43,566 INFO L225 Difference]: With dead ends: 190 [2024-11-19 10:26:43,566 INFO L226 Difference]: Without dead ends: 188 [2024-11-19 10:26:43,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:26:43,567 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 114 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:43,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 68 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:26:43,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-19 10:26:43,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 159. [2024-11-19 10:26:43,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 108 states have (on average 1.5555555555555556) internal successors, (168), 137 states have internal predecessors, (168), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 10:26:43,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 208 transitions. [2024-11-19 10:26:43,587 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 208 transitions. Word has length 45 [2024-11-19 10:26:43,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:43,589 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 208 transitions. [2024-11-19 10:26:43,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-11-19 10:26:43,589 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 208 transitions. [2024-11-19 10:26:43,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-19 10:26:43,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:43,590 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 10:26:43,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 10:26:43,591 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:43,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:43,591 INFO L85 PathProgramCache]: Analyzing trace with hash 374702305, now seen corresponding path program 1 times [2024-11-19 10:26:43,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:43,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845710357] [2024-11-19 10:26:43,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:43,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:43,694 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:26:43,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:43,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845710357] [2024-11-19 10:26:43,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845710357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:43,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:43,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:43,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072723604] [2024-11-19 10:26:43,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:43,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:43,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:43,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:43,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:43,696 INFO L87 Difference]: Start difference. First operand 159 states and 208 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-19 10:26:43,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:43,868 INFO L93 Difference]: Finished difference Result 190 states and 233 transitions. [2024-11-19 10:26:43,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:26:43,868 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), 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 46 [2024-11-19 10:26:43,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:43,869 INFO L225 Difference]: With dead ends: 190 [2024-11-19 10:26:43,869 INFO L226 Difference]: Without dead ends: 188 [2024-11-19 10:26:43,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:26:43,870 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 111 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:43,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 70 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:43,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-19 10:26:43,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 161. [2024-11-19 10:26:43,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 110 states have (on average 1.5272727272727273) internal successors, (168), 139 states have internal predecessors, (168), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 10:26:43,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 208 transitions. [2024-11-19 10:26:43,882 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 208 transitions. Word has length 46 [2024-11-19 10:26:43,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:43,882 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 208 transitions. [2024-11-19 10:26:43,883 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), 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) [2024-11-19 10:26:43,883 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 208 transitions. [2024-11-19 10:26:43,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-19 10:26:43,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:43,884 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 10:26:43,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 10:26:43,884 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:43,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:43,884 INFO L85 PathProgramCache]: Analyzing trace with hash -688334599, now seen corresponding path program 1 times [2024-11-19 10:26:43,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:43,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691151001] [2024-11-19 10:26:43,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:43,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:43,969 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:26:43,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:43,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691151001] [2024-11-19 10:26:43,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691151001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:43,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:43,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:26:43,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360484269] [2024-11-19 10:26:43,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:43,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:26:43,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:43,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:26:43,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:43,971 INFO L87 Difference]: Start difference. First operand 161 states and 208 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-19 10:26:44,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:44,027 INFO L93 Difference]: Finished difference Result 166 states and 208 transitions. [2024-11-19 10:26:44,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:26:44,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 48 [2024-11-19 10:26:44,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:44,029 INFO L225 Difference]: With dead ends: 166 [2024-11-19 10:26:44,029 INFO L226 Difference]: Without dead ends: 165 [2024-11-19 10:26:44,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:44,030 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 13 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:44,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 126 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:44,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-19 10:26:44,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 161. [2024-11-19 10:26:44,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 110 states have (on average 1.518181818181818) internal successors, (167), 139 states have internal predecessors, (167), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 10:26:44,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 207 transitions. [2024-11-19 10:26:44,047 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 207 transitions. Word has length 48 [2024-11-19 10:26:44,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:44,048 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 207 transitions. [2024-11-19 10:26:44,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-19 10:26:44,048 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 207 transitions. [2024-11-19 10:26:44,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-19 10:26:44,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:44,049 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 10:26:44,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 10:26:44,050 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:44,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:44,051 INFO L85 PathProgramCache]: Analyzing trace with hash -688334557, now seen corresponding path program 1 times [2024-11-19 10:26:44,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:44,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362798046] [2024-11-19 10:26:44,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:44,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:44,209 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:26:44,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:44,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362798046] [2024-11-19 10:26:44,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362798046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:44,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:44,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:44,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789666432] [2024-11-19 10:26:44,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:44,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:44,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:44,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:44,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:44,211 INFO L87 Difference]: Start difference. First operand 161 states and 207 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:26:44,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:44,280 INFO L93 Difference]: Finished difference Result 161 states and 207 transitions. [2024-11-19 10:26:44,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:44,280 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 48 [2024-11-19 10:26:44,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:44,281 INFO L225 Difference]: With dead ends: 161 [2024-11-19 10:26:44,281 INFO L226 Difference]: Without dead ends: 160 [2024-11-19 10:26:44,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:44,282 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 27 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:44,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 62 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:44,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-19 10:26:44,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-11-19 10:26:44,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 110 states have (on average 1.481818181818182) internal successors, (163), 138 states have internal predecessors, (163), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 10:26:44,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 203 transitions. [2024-11-19 10:26:44,294 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 203 transitions. Word has length 48 [2024-11-19 10:26:44,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:44,294 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 203 transitions. [2024-11-19 10:26:44,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:26:44,294 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 203 transitions. [2024-11-19 10:26:44,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-19 10:26:44,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:44,295 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 10:26:44,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 10:26:44,295 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:44,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:44,296 INFO L85 PathProgramCache]: Analyzing trace with hash 136464035, now seen corresponding path program 1 times [2024-11-19 10:26:44,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:44,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197716115] [2024-11-19 10:26:44,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:44,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:44,384 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:26:44,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:44,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197716115] [2024-11-19 10:26:44,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197716115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:44,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:44,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:26:44,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624005597] [2024-11-19 10:26:44,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:44,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:26:44,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:44,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:26:44,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:26:44,386 INFO L87 Difference]: Start difference. First operand 160 states and 203 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:26:44,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:44,465 INFO L93 Difference]: Finished difference Result 160 states and 203 transitions. [2024-11-19 10:26:44,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:26:44,466 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 49 [2024-11-19 10:26:44,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:44,467 INFO L225 Difference]: With dead ends: 160 [2024-11-19 10:26:44,467 INFO L226 Difference]: Without dead ends: 159 [2024-11-19 10:26:44,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:26:44,468 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 102 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:44,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 132 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:26:44,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-19 10:26:44,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-19 10:26:44,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 110 states have (on average 1.4636363636363636) internal successors, (161), 137 states have internal predecessors, (161), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 10:26:44,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 201 transitions. [2024-11-19 10:26:44,480 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 201 transitions. Word has length 49 [2024-11-19 10:26:44,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:44,480 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 201 transitions. [2024-11-19 10:26:44,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:26:44,481 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 201 transitions. [2024-11-19 10:26:44,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-19 10:26:44,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:44,481 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 10:26:44,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 10:26:44,482 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:44,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:44,482 INFO L85 PathProgramCache]: Analyzing trace with hash 136465317, now seen corresponding path program 1 times [2024-11-19 10:26:44,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:44,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105626107] [2024-11-19 10:26:44,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:44,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:44,561 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:26:44,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:44,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105626107] [2024-11-19 10:26:44,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105626107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:44,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:44,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:26:44,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983054587] [2024-11-19 10:26:44,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:44,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:26:44,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:44,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:26:44,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:26:44,563 INFO L87 Difference]: Start difference. First operand 159 states and 201 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-11-19 10:26:45,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:45,015 INFO L93 Difference]: Finished difference Result 211 states and 260 transitions. [2024-11-19 10:26:45,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:26:45,016 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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 49 [2024-11-19 10:26:45,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:45,017 INFO L225 Difference]: With dead ends: 211 [2024-11-19 10:26:45,017 INFO L226 Difference]: Without dead ends: 210 [2024-11-19 10:26:45,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:26:45,018 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 265 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:45,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 214 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:26:45,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-19 10:26:45,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 188. [2024-11-19 10:26:45,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 134 states have (on average 1.4477611940298507) internal successors, (194), 161 states have internal predecessors, (194), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 10:26:45,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 244 transitions. [2024-11-19 10:26:45,037 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 244 transitions. Word has length 49 [2024-11-19 10:26:45,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:45,037 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 244 transitions. [2024-11-19 10:26:45,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-11-19 10:26:45,038 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 244 transitions. [2024-11-19 10:26:45,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-19 10:26:45,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:45,040 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 10:26:45,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 10:26:45,040 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:45,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:45,041 INFO L85 PathProgramCache]: Analyzing trace with hash -64582085, now seen corresponding path program 1 times [2024-11-19 10:26:45,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:45,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183293535] [2024-11-19 10:26:45,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:45,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:45,106 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:26:45,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:45,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183293535] [2024-11-19 10:26:45,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183293535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:45,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:45,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:45,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436187963] [2024-11-19 10:26:45,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:45,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:45,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:45,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:45,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:45,109 INFO L87 Difference]: Start difference. First operand 188 states and 244 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-19 10:26:45,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:45,363 INFO L93 Difference]: Finished difference Result 209 states and 257 transitions. [2024-11-19 10:26:45,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:45,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 50 [2024-11-19 10:26:45,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:45,366 INFO L225 Difference]: With dead ends: 209 [2024-11-19 10:26:45,366 INFO L226 Difference]: Without dead ends: 207 [2024-11-19 10:26:45,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:45,367 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 41 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:45,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 147 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:26:45,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-19 10:26:45,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 192. [2024-11-19 10:26:45,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 138 states have (on average 1.434782608695652) internal successors, (198), 165 states have internal predecessors, (198), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 10:26:45,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 248 transitions. [2024-11-19 10:26:45,392 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 248 transitions. Word has length 50 [2024-11-19 10:26:45,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:45,392 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 248 transitions. [2024-11-19 10:26:45,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-19 10:26:45,393 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 248 transitions. [2024-11-19 10:26:45,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-19 10:26:45,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:45,396 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-19 10:26:45,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 10:26:45,397 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:45,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:45,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1090849636, now seen corresponding path program 1 times [2024-11-19 10:26:45,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:45,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732685703] [2024-11-19 10:26:45,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:45,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:45,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [220862575] [2024-11-19 10:26:45,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:45,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:45,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:45,416 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:45,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:26:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:45,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:26:45,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:45,754 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 10:26:45,754 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:45,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:45,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732685703] [2024-11-19 10:26:45,755 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:45,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220862575] [2024-11-19 10:26:45,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220862575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:45,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:45,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 10:26:45,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041029293] [2024-11-19 10:26:45,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:45,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:26:45,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:45,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:26:45,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:26:45,756 INFO L87 Difference]: Start difference. First operand 192 states and 248 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:26:46,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:46,133 INFO L93 Difference]: Finished difference Result 287 states and 369 transitions. [2024-11-19 10:26:46,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:26:46,133 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 60 [2024-11-19 10:26:46,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:46,135 INFO L225 Difference]: With dead ends: 287 [2024-11-19 10:26:46,135 INFO L226 Difference]: Without dead ends: 278 [2024-11-19 10:26:46,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:26:46,136 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 207 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:46,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 122 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:26:46,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-11-19 10:26:46,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 258. [2024-11-19 10:26:46,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 194 states have (on average 1.402061855670103) internal successors, (272), 221 states have internal predecessors, (272), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-19 10:26:46,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 342 transitions. [2024-11-19 10:26:46,154 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 342 transitions. Word has length 60 [2024-11-19 10:26:46,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:46,154 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 342 transitions. [2024-11-19 10:26:46,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:26:46,154 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 342 transitions. [2024-11-19 10:26:46,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-19 10:26:46,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:46,155 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1] [2024-11-19 10:26:46,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 10:26:46,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:46,356 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:46,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:46,356 INFO L85 PathProgramCache]: Analyzing trace with hash 543399709, now seen corresponding path program 1 times [2024-11-19 10:26:46,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:46,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045572875] [2024-11-19 10:26:46,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:46,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:46,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1538724900] [2024-11-19 10:26:46,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:46,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:46,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:46,372 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:46,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:26:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:46,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:26:46,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:46,693 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 10:26:46,694 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:47,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:47,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045572875] [2024-11-19 10:26:47,674 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:47,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538724900] [2024-11-19 10:26:47,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538724900] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:47,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:26:47,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-19 10:26:47,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372886646] [2024-11-19 10:26:47,676 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:47,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:26:47,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:47,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:26:47,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:26:47,678 INFO L87 Difference]: Start difference. First operand 258 states and 342 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:26:48,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:48,032 INFO L93 Difference]: Finished difference Result 344 states and 449 transitions. [2024-11-19 10:26:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:26:48,033 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 61 [2024-11-19 10:26:48,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:48,035 INFO L225 Difference]: With dead ends: 344 [2024-11-19 10:26:48,035 INFO L226 Difference]: Without dead ends: 341 [2024-11-19 10:26:48,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:26:48,036 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 189 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:48,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 174 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:26:48,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-19 10:26:48,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 314. [2024-11-19 10:26:48,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 240 states have (on average 1.3916666666666666) internal successors, (334), 267 states have internal predecessors, (334), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-19 10:26:48,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 424 transitions. [2024-11-19 10:26:48,061 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 424 transitions. Word has length 61 [2024-11-19 10:26:48,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:48,061 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 424 transitions. [2024-11-19 10:26:48,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:26:48,062 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 424 transitions. [2024-11-19 10:26:48,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-19 10:26:48,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:48,062 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1] [2024-11-19 10:26:48,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-19 10:26:48,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-19 10:26:48,264 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:48,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:48,264 INFO L85 PathProgramCache]: Analyzing trace with hash -334478146, now seen corresponding path program 1 times [2024-11-19 10:26:48,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:48,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612833449] [2024-11-19 10:26:48,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:48,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:48,331 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 10:26:48,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:48,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612833449] [2024-11-19 10:26:48,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612833449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:48,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:48,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:26:48,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958398842] [2024-11-19 10:26:48,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:48,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:26:48,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:48,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:26:48,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:26:48,333 INFO L87 Difference]: Start difference. First operand 314 states and 424 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:26:49,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:49,625 INFO L93 Difference]: Finished difference Result 445 states and 603 transitions. [2024-11-19 10:26:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:26:49,626 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 62 [2024-11-19 10:26:49,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:49,628 INFO L225 Difference]: With dead ends: 445 [2024-11-19 10:26:49,628 INFO L226 Difference]: Without dead ends: 442 [2024-11-19 10:26:49,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:26:49,629 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 129 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:49,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 173 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 10:26:49,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-11-19 10:26:49,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 320. [2024-11-19 10:26:49,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 246 states have (on average 1.3658536585365855) internal successors, (336), 271 states have internal predecessors, (336), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-19 10:26:49,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 430 transitions. [2024-11-19 10:26:49,655 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 430 transitions. Word has length 62 [2024-11-19 10:26:49,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:49,656 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 430 transitions. [2024-11-19 10:26:49,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:26:49,656 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 430 transitions. [2024-11-19 10:26:49,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-19 10:26:49,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:49,658 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1] [2024-11-19 10:26:49,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 10:26:49,659 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:49,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:49,660 INFO L85 PathProgramCache]: Analyzing trace with hash -965738021, now seen corresponding path program 1 times [2024-11-19 10:26:49,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:49,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94537926] [2024-11-19 10:26:49,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:49,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:49,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1617588368] [2024-11-19 10:26:49,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:49,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:49,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:49,690 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:49,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:26:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:49,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:26:49,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:49,889 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 10:26:49,890 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:49,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:49,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94537926] [2024-11-19 10:26:49,890 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:49,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617588368] [2024-11-19 10:26:49,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617588368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:49,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:49,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 10:26:49,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227530006] [2024-11-19 10:26:49,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:49,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:26:49,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:49,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:26:49,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:26:49,892 INFO L87 Difference]: Start difference. First operand 320 states and 430 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:26:50,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:50,172 INFO L93 Difference]: Finished difference Result 335 states and 454 transitions. [2024-11-19 10:26:50,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:26:50,172 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 62 [2024-11-19 10:26:50,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:50,174 INFO L225 Difference]: With dead ends: 335 [2024-11-19 10:26:50,174 INFO L226 Difference]: Without dead ends: 331 [2024-11-19 10:26:50,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:26:50,175 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 92 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:50,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 162 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:26:50,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-19 10:26:50,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 316. [2024-11-19 10:26:50,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 246 states have (on average 1.3373983739837398) internal successors, (329), 267 states have internal predecessors, (329), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-19 10:26:50,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 423 transitions. [2024-11-19 10:26:50,199 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 423 transitions. Word has length 62 [2024-11-19 10:26:50,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:50,199 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 423 transitions. [2024-11-19 10:26:50,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:26:50,199 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 423 transitions. [2024-11-19 10:26:50,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-19 10:26:50,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:50,202 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1] [2024-11-19 10:26:50,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-19 10:26:50,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-19 10:26:50,407 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:50,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:50,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1778887873, now seen corresponding path program 1 times [2024-11-19 10:26:50,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:50,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786189785] [2024-11-19 10:26:50,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:50,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:50,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [671942978] [2024-11-19 10:26:50,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:50,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:50,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:50,422 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:50,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:26:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:50,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 10:26:50,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 10:26:50,682 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:51,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:51,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786189785] [2024-11-19 10:26:51,008 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:51,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671942978] [2024-11-19 10:26:51,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671942978] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:51,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:26:51,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-19 10:26:51,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995753326] [2024-11-19 10:26:51,009 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:51,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:26:51,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:51,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:26:51,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:26:51,011 INFO L87 Difference]: Start difference. First operand 316 states and 423 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:26:51,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:51,551 INFO L93 Difference]: Finished difference Result 339 states and 433 transitions. [2024-11-19 10:26:51,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:26:51,551 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 63 [2024-11-19 10:26:51,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:51,553 INFO L225 Difference]: With dead ends: 339 [2024-11-19 10:26:51,553 INFO L226 Difference]: Without dead ends: 332 [2024-11-19 10:26:51,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:26:51,554 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 229 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:51,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 179 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:26:51,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-19 10:26:51,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 314. [2024-11-19 10:26:51,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 244 states have (on average 1.3237704918032787) internal successors, (323), 265 states have internal predecessors, (323), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-19 10:26:51,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 417 transitions. [2024-11-19 10:26:51,580 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 417 transitions. Word has length 63 [2024-11-19 10:26:51,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:51,580 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 417 transitions. [2024-11-19 10:26:51,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:26:51,581 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 417 transitions. [2024-11-19 10:26:51,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-19 10:26:51,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:51,582 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1] [2024-11-19 10:26:51,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-19 10:26:51,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:51,786 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:51,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:51,787 INFO L85 PathProgramCache]: Analyzing trace with hash 126892501, now seen corresponding path program 1 times [2024-11-19 10:26:51,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:51,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724824585] [2024-11-19 10:26:51,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:51,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:51,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1850537662] [2024-11-19 10:26:51,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:51,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:51,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:51,806 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:51,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 10:26:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:51,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:26:51,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:52,003 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 10:26:52,004 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:52,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:52,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724824585] [2024-11-19 10:26:52,281 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:52,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850537662] [2024-11-19 10:26:52,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850537662] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:52,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:26:52,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-19 10:26:52,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601013366] [2024-11-19 10:26:52,282 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:52,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:26:52,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:52,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:26:52,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:26:52,284 INFO L87 Difference]: Start difference. First operand 314 states and 417 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:26:52,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:52,596 INFO L93 Difference]: Finished difference Result 508 states and 708 transitions. [2024-11-19 10:26:52,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:26:52,597 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 63 [2024-11-19 10:26:52,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:52,599 INFO L225 Difference]: With dead ends: 508 [2024-11-19 10:26:52,599 INFO L226 Difference]: Without dead ends: 504 [2024-11-19 10:26:52,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:26:52,600 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 114 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:52,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 220 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:26:52,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2024-11-19 10:26:52,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 408. [2024-11-19 10:26:52,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 322 states have (on average 1.313664596273292) internal successors, (423), 343 states have internal predecessors, (423), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-19 10:26:52,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 549 transitions. [2024-11-19 10:26:52,636 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 549 transitions. Word has length 63 [2024-11-19 10:26:52,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:52,636 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 549 transitions. [2024-11-19 10:26:52,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:26:52,636 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 549 transitions. [2024-11-19 10:26:52,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-19 10:26:52,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:52,637 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1] [2024-11-19 10:26:52,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-19 10:26:52,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:52,838 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:52,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:52,838 INFO L85 PathProgramCache]: Analyzing trace with hash 72761818, now seen corresponding path program 1 times [2024-11-19 10:26:52,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:52,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761893900] [2024-11-19 10:26:52,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:52,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:52,912 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-19 10:26:52,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:52,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761893900] [2024-11-19 10:26:52,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761893900] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:52,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405935324] [2024-11-19 10:26:52,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:52,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:52,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:52,914 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:52,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 10:26:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:52,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:26:52,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:53,018 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-19 10:26:53,018 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:53,158 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-19 10:26:53,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405935324] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:53,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:53,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-19 10:26:53,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703022419] [2024-11-19 10:26:53,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:53,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:26:53,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:53,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:26:53,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:26:53,161 INFO L87 Difference]: Start difference. First operand 408 states and 549 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-19 10:26:53,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:53,627 INFO L93 Difference]: Finished difference Result 646 states and 883 transitions. [2024-11-19 10:26:53,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:26:53,627 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 83 [2024-11-19 10:26:53,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:53,630 INFO L225 Difference]: With dead ends: 646 [2024-11-19 10:26:53,631 INFO L226 Difference]: Without dead ends: 644 [2024-11-19 10:26:53,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:26:53,631 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 239 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:53,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 236 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:26:53,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-11-19 10:26:53,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 547. [2024-11-19 10:26:53,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 434 states have (on average 1.3110599078341014) internal successors, (569), 454 states have internal predecessors, (569), 91 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-19 10:26:53,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 751 transitions. [2024-11-19 10:26:53,676 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 751 transitions. Word has length 83 [2024-11-19 10:26:53,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:53,677 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 751 transitions. [2024-11-19 10:26:53,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-19 10:26:53,677 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 751 transitions. [2024-11-19 10:26:53,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-19 10:26:53,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:53,678 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1] [2024-11-19 10:26:53,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-19 10:26:53,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-19 10:26:53,879 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:53,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:53,879 INFO L85 PathProgramCache]: Analyzing trace with hash -2039350843, now seen corresponding path program 1 times [2024-11-19 10:26:53,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:53,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354052404] [2024-11-19 10:26:53,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:53,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-19 10:26:53,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:53,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354052404] [2024-11-19 10:26:53,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354052404] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:53,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699674756] [2024-11-19 10:26:53,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:53,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:53,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:53,969 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:53,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 10:26:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:54,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:26:54,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:54,074 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-19 10:26:54,074 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:54,201 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-19 10:26:54,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699674756] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:54,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:54,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-19 10:26:54,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864941975] [2024-11-19 10:26:54,202 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:54,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:26:54,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:54,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:26:54,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:26:54,203 INFO L87 Difference]: Start difference. First operand 547 states and 751 transitions. Second operand has 11 states, 10 states have (on average 10.3) internal successors, (103), 11 states have internal predecessors, (103), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-19 10:26:55,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:55,037 INFO L93 Difference]: Finished difference Result 662 states and 879 transitions. [2024-11-19 10:26:55,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 10:26:55,037 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.3) internal successors, (103), 11 states have internal predecessors, (103), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 84 [2024-11-19 10:26:55,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:55,040 INFO L225 Difference]: With dead ends: 662 [2024-11-19 10:26:55,040 INFO L226 Difference]: Without dead ends: 660 [2024-11-19 10:26:55,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-11-19 10:26:55,041 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 618 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:55,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 329 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 10:26:55,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2024-11-19 10:26:55,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 549. [2024-11-19 10:26:55,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 437 states have (on average 1.2608695652173914) internal successors, (551), 456 states have internal predecessors, (551), 91 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-19 10:26:55,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 733 transitions. [2024-11-19 10:26:55,091 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 733 transitions. Word has length 84 [2024-11-19 10:26:55,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:55,091 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 733 transitions. [2024-11-19 10:26:55,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.3) internal successors, (103), 11 states have internal predecessors, (103), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-19 10:26:55,091 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 733 transitions. [2024-11-19 10:26:55,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-19 10:26:55,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:55,092 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1] [2024-11-19 10:26:55,109 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-19 10:26:55,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-19 10:26:55,297 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:55,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:55,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1311069987, now seen corresponding path program 1 times [2024-11-19 10:26:55,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:55,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183189018] [2024-11-19 10:26:55,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:55,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:55,345 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-19 10:26:55,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:55,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183189018] [2024-11-19 10:26:55,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183189018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:55,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:55,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:55,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110520898] [2024-11-19 10:26:55,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:55,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:55,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:55,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:55,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:55,347 INFO L87 Difference]: Start difference. First operand 549 states and 733 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2024-11-19 10:26:55,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:55,425 INFO L93 Difference]: Finished difference Result 549 states and 733 transitions. [2024-11-19 10:26:55,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:55,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 86 [2024-11-19 10:26:55,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:55,428 INFO L225 Difference]: With dead ends: 549 [2024-11-19 10:26:55,428 INFO L226 Difference]: Without dead ends: 548 [2024-11-19 10:26:55,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:26:55,429 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 18 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:55,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 126 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:55,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-11-19 10:26:55,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2024-11-19 10:26:55,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 437 states have (on average 1.2517162471395882) internal successors, (547), 455 states have internal predecessors, (547), 91 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-19 10:26:55,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 729 transitions. [2024-11-19 10:26:55,481 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 729 transitions. Word has length 86 [2024-11-19 10:26:55,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:55,482 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 729 transitions. [2024-11-19 10:26:55,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2024-11-19 10:26:55,482 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 729 transitions. [2024-11-19 10:26:55,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-19 10:26:55,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:55,484 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1] [2024-11-19 10:26:55,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 10:26:55,485 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:55,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:55,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1512835809, now seen corresponding path program 1 times [2024-11-19 10:26:55,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:55,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753358139] [2024-11-19 10:26:55,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:55,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:55,568 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-19 10:26:55,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:55,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753358139] [2024-11-19 10:26:55,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753358139] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:55,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498716221] [2024-11-19 10:26:55,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:55,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:55,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:55,570 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:55,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-19 10:26:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:55,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:26:55,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:55,747 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-19 10:26:55,748 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:55,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498716221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:55,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:26:55,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-19 10:26:55,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827032302] [2024-11-19 10:26:55,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:55,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:26:55,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:55,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:26:55,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:26:55,749 INFO L87 Difference]: Start difference. First operand 548 states and 729 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-11-19 10:26:56,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:56,077 INFO L93 Difference]: Finished difference Result 559 states and 748 transitions. [2024-11-19 10:26:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:26:56,078 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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 88 [2024-11-19 10:26:56,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:56,080 INFO L225 Difference]: With dead ends: 559 [2024-11-19 10:26:56,080 INFO L226 Difference]: Without dead ends: 558 [2024-11-19 10:26:56,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:26:56,081 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 55 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:56,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 100 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:26:56,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-19 10:26:56,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 547. [2024-11-19 10:26:56,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 437 states have (on average 1.2448512585812357) internal successors, (544), 454 states have internal predecessors, (544), 91 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-19 10:26:56,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 726 transitions. [2024-11-19 10:26:56,124 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 726 transitions. Word has length 88 [2024-11-19 10:26:56,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:56,124 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 726 transitions. [2024-11-19 10:26:56,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-11-19 10:26:56,125 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 726 transitions. [2024-11-19 10:26:56,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-19 10:26:56,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:56,125 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:56,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-19 10:26:56,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:56,326 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:56,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:56,327 INFO L85 PathProgramCache]: Analyzing trace with hash 346730305, now seen corresponding path program 1 times [2024-11-19 10:26:56,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:56,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223090342] [2024-11-19 10:26:56,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:56,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:56,412 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-19 10:26:56,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:56,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223090342] [2024-11-19 10:26:56,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223090342] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:56,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086692061] [2024-11-19 10:26:56,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:56,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:56,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:56,415 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:56,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-19 10:26:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:56,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:26:56,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:56,599 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-19 10:26:56,600 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:56,728 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-19 10:26:56,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086692061] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:56,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:56,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-19 10:26:56,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261517557] [2024-11-19 10:26:56,729 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:56,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:26:56,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:56,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:26:56,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:26:56,731 INFO L87 Difference]: Start difference. First operand 547 states and 726 transitions. Second operand has 11 states, 10 states have (on average 12.9) internal successors, (129), 11 states have internal predecessors, (129), 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) [2024-11-19 10:26:57,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:57,194 INFO L93 Difference]: Finished difference Result 749 states and 1003 transitions. [2024-11-19 10:26:57,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:26:57,198 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.9) internal successors, (129), 11 states have internal predecessors, (129), 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 89 [2024-11-19 10:26:57,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:57,202 INFO L225 Difference]: With dead ends: 749 [2024-11-19 10:26:57,202 INFO L226 Difference]: Without dead ends: 747 [2024-11-19 10:26:57,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:26:57,203 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 223 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:57,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 282 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:26:57,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-11-19 10:26:57,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 623. [2024-11-19 10:26:57,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 504 states have (on average 1.2380952380952381) internal successors, (624), 521 states have internal predecessors, (624), 100 states have call successors, (100), 1 states have call predecessors, (100), 1 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-19 10:26:57,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 824 transitions. [2024-11-19 10:26:57,266 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 824 transitions. Word has length 89 [2024-11-19 10:26:57,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:57,267 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 824 transitions. [2024-11-19 10:26:57,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.9) internal successors, (129), 11 states have internal predecessors, (129), 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) [2024-11-19 10:26:57,268 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 824 transitions. [2024-11-19 10:26:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 10:26:57,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:57,268 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 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] [2024-11-19 10:26:57,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-19 10:26:57,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:57,469 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:57,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:57,469 INFO L85 PathProgramCache]: Analyzing trace with hash -627337340, now seen corresponding path program 1 times [2024-11-19 10:26:57,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:57,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378325368] [2024-11-19 10:26:57,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:57,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:57,557 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-19 10:26:57,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:57,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378325368] [2024-11-19 10:26:57,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378325368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:57,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352918297] [2024-11-19 10:26:57,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:57,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:57,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:57,560 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:57,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-19 10:26:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:57,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:26:57,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:57,717 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-19 10:26:57,718 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:57,893 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 13 proven. 10 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-19 10:26:57,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352918297] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:26:57,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:26:57,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-19 10:26:57,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445029647] [2024-11-19 10:26:57,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:57,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:26:57,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:57,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:26:57,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:26:57,896 INFO L87 Difference]: Start difference. First operand 623 states and 824 transitions. Second operand has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-19 10:26:58,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:58,370 INFO L93 Difference]: Finished difference Result 627 states and 824 transitions. [2024-11-19 10:26:58,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:26:58,371 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 96 [2024-11-19 10:26:58,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:58,374 INFO L225 Difference]: With dead ends: 627 [2024-11-19 10:26:58,374 INFO L226 Difference]: Without dead ends: 626 [2024-11-19 10:26:58,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 186 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:26:58,375 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 245 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:58,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 275 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:26:58,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2024-11-19 10:26:58,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 593. [2024-11-19 10:26:58,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 480 states have (on average 1.23125) internal successors, (591), 496 states have internal predecessors, (591), 95 states have call successors, (95), 1 states have call predecessors, (95), 1 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-19 10:26:58,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 781 transitions. [2024-11-19 10:26:58,439 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 781 transitions. Word has length 96 [2024-11-19 10:26:58,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:58,439 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 781 transitions. [2024-11-19 10:26:58,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-19 10:26:58,440 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 781 transitions. [2024-11-19 10:26:58,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-19 10:26:58,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:58,450 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:58,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-19 10:26:58,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-19 10:26:58,650 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:26:58,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:58,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1353707904, now seen corresponding path program 1 times [2024-11-19 10:26:58,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:58,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179079781] [2024-11-19 10:26:58,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:58,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:58,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [935130127] [2024-11-19 10:26:58,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:58,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:58,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:58,671 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:26:58,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-19 10:26:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:58,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:26:58,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:59,156 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-19 10:26:59,157 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:26:59,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:59,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179079781] [2024-11-19 10:26:59,330 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:59,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935130127] [2024-11-19 10:26:59,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935130127] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:59,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:26:59,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-19 10:26:59,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022098031] [2024-11-19 10:26:59,331 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:26:59,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:26:59,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:59,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:26:59,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:26:59,333 INFO L87 Difference]: Start difference. First operand 593 states and 781 transitions. Second operand has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-19 10:27:00,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:00,326 INFO L93 Difference]: Finished difference Result 1061 states and 1435 transitions. [2024-11-19 10:27:00,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 10:27:00,326 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 98 [2024-11-19 10:27:00,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:00,330 INFO L225 Difference]: With dead ends: 1061 [2024-11-19 10:27:00,330 INFO L226 Difference]: Without dead ends: 1058 [2024-11-19 10:27:00,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:27:00,331 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 190 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:00,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 356 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1069 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 10:27:00,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2024-11-19 10:27:00,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 635. [2024-11-19 10:27:00,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 513 states have (on average 1.2358674463937622) internal successors, (634), 529 states have internal predecessors, (634), 104 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-19 10:27:00,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 842 transitions. [2024-11-19 10:27:00,393 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 842 transitions. Word has length 98 [2024-11-19 10:27:00,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:00,393 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 842 transitions. [2024-11-19 10:27:00,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-19 10:27:00,394 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 842 transitions. [2024-11-19 10:27:00,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-19 10:27:00,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:00,395 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:00,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:00,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-19 10:27:00,596 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:27:00,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:00,596 INFO L85 PathProgramCache]: Analyzing trace with hash 984727993, now seen corresponding path program 1 times [2024-11-19 10:27:00,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:00,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489676418] [2024-11-19 10:27:00,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:00,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:00,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1579819350] [2024-11-19 10:27:00,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:00,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:00,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:00,611 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:00,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-19 10:27:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:00,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:27:00,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:01,084 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-19 10:27:01,085 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:01,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:01,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489676418] [2024-11-19 10:27:01,733 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:01,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579819350] [2024-11-19 10:27:01,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579819350] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:01,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:01,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-19 10:27:01,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934682933] [2024-11-19 10:27:01,734 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:01,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:27:01,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:01,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:27:01,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:27:01,736 INFO L87 Difference]: Start difference. First operand 635 states and 842 transitions. Second operand has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-19 10:27:02,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:02,283 INFO L93 Difference]: Finished difference Result 726 states and 954 transitions. [2024-11-19 10:27:02,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 10:27:02,283 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 99 [2024-11-19 10:27:02,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:02,286 INFO L225 Difference]: With dead ends: 726 [2024-11-19 10:27:02,286 INFO L226 Difference]: Without dead ends: 723 [2024-11-19 10:27:02,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:27:02,287 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 72 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:02,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 256 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:27:02,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-11-19 10:27:02,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 702. [2024-11-19 10:27:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 568 states have (on average 1.232394366197183) internal successors, (700), 584 states have internal predecessors, (700), 116 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-19 10:27:02,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 932 transitions. [2024-11-19 10:27:02,352 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 932 transitions. Word has length 99 [2024-11-19 10:27:02,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:02,353 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 932 transitions. [2024-11-19 10:27:02,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-19 10:27:02,353 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 932 transitions. [2024-11-19 10:27:02,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-19 10:27:02,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:02,354 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:02,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-19 10:27:02,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-19 10:27:02,559 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:27:02,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:02,559 INFO L85 PathProgramCache]: Analyzing trace with hash 461796770, now seen corresponding path program 1 times [2024-11-19 10:27:02,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:02,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989215060] [2024-11-19 10:27:02,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:02,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:02,634 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-19 10:27:02,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:02,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989215060] [2024-11-19 10:27:02,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989215060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:27:02,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:27:02,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:27:02,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494750415] [2024-11-19 10:27:02,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:27:02,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:27:02,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:02,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:27:02,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:27:02,637 INFO L87 Difference]: Start difference. First operand 702 states and 932 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 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) [2024-11-19 10:27:03,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:03,465 INFO L93 Difference]: Finished difference Result 706 states and 932 transitions. [2024-11-19 10:27:03,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 10:27:03,465 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 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 100 [2024-11-19 10:27:03,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:03,468 INFO L225 Difference]: With dead ends: 706 [2024-11-19 10:27:03,468 INFO L226 Difference]: Without dead ends: 705 [2024-11-19 10:27:03,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:27:03,468 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 85 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:03,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 167 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:27:03,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2024-11-19 10:27:03,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 671. [2024-11-19 10:27:03,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 540 states have (on average 1.2277777777777779) internal successors, (663), 555 states have internal predecessors, (663), 114 states have call successors, (114), 1 states have call predecessors, (114), 1 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-19 10:27:03,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 891 transitions. [2024-11-19 10:27:03,524 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 891 transitions. Word has length 100 [2024-11-19 10:27:03,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:03,525 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 891 transitions. [2024-11-19 10:27:03,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 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) [2024-11-19 10:27:03,525 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 891 transitions. [2024-11-19 10:27:03,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-19 10:27:03,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:03,527 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:03,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-19 10:27:03,528 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:27:03,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:03,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1430798043, now seen corresponding path program 1 times [2024-11-19 10:27:03,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:03,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832419140] [2024-11-19 10:27:03,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:03,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:03,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1270557468] [2024-11-19 10:27:03,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:03,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:03,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:03,547 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:03,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-19 10:27:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:03,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 10:27:03,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:03,934 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-19 10:27:03,934 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:04,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:04,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832419140] [2024-11-19 10:27:04,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:04,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270557468] [2024-11-19 10:27:04,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270557468] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:04,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:04,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-19 10:27:04,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736269692] [2024-11-19 10:27:04,292 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:04,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:27:04,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:04,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:27:04,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:27:04,293 INFO L87 Difference]: Start difference. First operand 671 states and 891 transitions. Second operand has 9 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 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) [2024-11-19 10:27:04,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:04,900 INFO L93 Difference]: Finished difference Result 687 states and 897 transitions. [2024-11-19 10:27:04,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:27:04,901 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 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 101 [2024-11-19 10:27:04,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:04,903 INFO L225 Difference]: With dead ends: 687 [2024-11-19 10:27:04,904 INFO L226 Difference]: Without dead ends: 680 [2024-11-19 10:27:04,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2024-11-19 10:27:04,905 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 172 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:04,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 289 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:27:04,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2024-11-19 10:27:04,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 555. [2024-11-19 10:27:04,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 445 states have (on average 1.2314606741573033) internal successors, (548), 460 states have internal predecessors, (548), 93 states have call successors, (93), 1 states have call predecessors, (93), 1 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-19 10:27:04,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 734 transitions. [2024-11-19 10:27:04,963 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 734 transitions. Word has length 101 [2024-11-19 10:27:04,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:04,964 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 734 transitions. [2024-11-19 10:27:04,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 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) [2024-11-19 10:27:04,964 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 734 transitions. [2024-11-19 10:27:04,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-19 10:27:04,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:04,965 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 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] [2024-11-19 10:27:04,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-19 10:27:05,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:05,170 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:27:05,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:05,170 INFO L85 PathProgramCache]: Analyzing trace with hash -958388879, now seen corresponding path program 2 times [2024-11-19 10:27:05,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:05,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976316409] [2024-11-19 10:27:05,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:27:05,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:05,190 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:27:05,191 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:27:05,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [951460073] [2024-11-19 10:27:05,192 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:27:05,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:05,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:05,194 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:05,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-19 10:27:05,253 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:27:05,253 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:05,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-19 10:27:05,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:05,504 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-19 10:27:05,505 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:05,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:05,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976316409] [2024-11-19 10:27:05,767 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:05,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951460073] [2024-11-19 10:27:05,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951460073] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:05,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:05,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-19 10:27:05,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209154768] [2024-11-19 10:27:05,768 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:05,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:27:05,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:05,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:27:05,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:27:05,769 INFO L87 Difference]: Start difference. First operand 555 states and 734 transitions. Second operand has 11 states, 10 states have (on average 5.7) internal successors, (57), 11 states have internal predecessors, (57), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-19 10:27:06,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:06,244 INFO L93 Difference]: Finished difference Result 750 states and 1004 transitions. [2024-11-19 10:27:06,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:27:06,244 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.7) internal successors, (57), 11 states have internal predecessors, (57), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 101 [2024-11-19 10:27:06,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:06,247 INFO L225 Difference]: With dead ends: 750 [2024-11-19 10:27:06,247 INFO L226 Difference]: Without dead ends: 746 [2024-11-19 10:27:06,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:27:06,248 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 171 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:06,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 275 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 863 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:27:06,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2024-11-19 10:27:06,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 555. [2024-11-19 10:27:06,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 445 states have (on average 1.2044943820224718) internal successors, (536), 460 states have internal predecessors, (536), 93 states have call successors, (93), 1 states have call predecessors, (93), 1 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-19 10:27:06,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 722 transitions. [2024-11-19 10:27:06,305 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 722 transitions. Word has length 101 [2024-11-19 10:27:06,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:06,305 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 722 transitions. [2024-11-19 10:27:06,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.7) internal successors, (57), 11 states have internal predecessors, (57), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-19 10:27:06,305 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 722 transitions. [2024-11-19 10:27:06,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-19 10:27:06,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:06,306 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2024-11-19 10:27:06,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-19 10:27:06,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-19 10:27:06,511 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:27:06,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:06,511 INFO L85 PathProgramCache]: Analyzing trace with hash 744952956, now seen corresponding path program 2 times [2024-11-19 10:27:06,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:06,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019467374] [2024-11-19 10:27:06,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:27:06,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:06,526 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:27:06,526 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:06,584 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-19 10:27:06,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:06,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019467374] [2024-11-19 10:27:06,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019467374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:27:06,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:27:06,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:27:06,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074858065] [2024-11-19 10:27:06,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:27:06,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:27:06,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:06,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:27:06,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:27:06,587 INFO L87 Difference]: Start difference. First operand 555 states and 722 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-19 10:27:06,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:06,921 INFO L93 Difference]: Finished difference Result 982 states and 1279 transitions. [2024-11-19 10:27:06,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:27:06,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 108 [2024-11-19 10:27:06,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:06,923 INFO L225 Difference]: With dead ends: 982 [2024-11-19 10:27:06,923 INFO L226 Difference]: Without dead ends: 597 [2024-11-19 10:27:06,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:27:06,925 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 29 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:06,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 126 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:27:06,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2024-11-19 10:27:06,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 591. [2024-11-19 10:27:06,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 477 states have (on average 1.2033542976939204) internal successors, (574), 492 states have internal predecessors, (574), 97 states have call successors, (97), 1 states have call predecessors, (97), 1 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-19 10:27:06,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 768 transitions. [2024-11-19 10:27:06,980 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 768 transitions. Word has length 108 [2024-11-19 10:27:06,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:06,981 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 768 transitions. [2024-11-19 10:27:06,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-19 10:27:06,981 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 768 transitions. [2024-11-19 10:27:06,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-19 10:27:06,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:06,982 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 10:27:06,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-19 10:27:06,983 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:27:06,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:06,983 INFO L85 PathProgramCache]: Analyzing trace with hash -723083932, now seen corresponding path program 2 times [2024-11-19 10:27:06,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:06,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050548006] [2024-11-19 10:27:06,983 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:27:06,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:07,001 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:27:07,001 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:27:07,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1051368216] [2024-11-19 10:27:07,002 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:27:07,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:07,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:07,004 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:07,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-19 10:27:07,065 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:27:07,066 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:07,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 10:27:07,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:07,532 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 5 proven. 48 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-19 10:27:07,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:07,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:07,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050548006] [2024-11-19 10:27:07,668 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:07,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051368216] [2024-11-19 10:27:07,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051368216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:07,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:07,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-19 10:27:07,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482481142] [2024-11-19 10:27:07,669 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:07,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:27:07,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:07,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:27:07,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:27:07,670 INFO L87 Difference]: Start difference. First operand 591 states and 768 transitions. Second operand has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 12 states have internal predecessors, (69), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-19 10:27:08,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:08,843 INFO L93 Difference]: Finished difference Result 1060 states and 1409 transitions. [2024-11-19 10:27:08,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 10:27:08,843 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 12 states have internal predecessors, (69), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 136 [2024-11-19 10:27:08,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:08,847 INFO L225 Difference]: With dead ends: 1060 [2024-11-19 10:27:08,847 INFO L226 Difference]: Without dead ends: 1057 [2024-11-19 10:27:08,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2024-11-19 10:27:08,848 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 285 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 1576 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 1630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:08,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 305 Invalid, 1630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1576 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 10:27:08,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-11-19 10:27:08,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 583. [2024-11-19 10:27:08,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 469 states have (on average 1.2004264392324093) internal successors, (563), 484 states have internal predecessors, (563), 97 states have call successors, (97), 1 states have call predecessors, (97), 1 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-19 10:27:08,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 757 transitions. [2024-11-19 10:27:08,915 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 757 transitions. Word has length 136 [2024-11-19 10:27:08,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:08,916 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 757 transitions. [2024-11-19 10:27:08,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 12 states have internal predecessors, (69), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-19 10:27:08,916 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 757 transitions. [2024-11-19 10:27:08,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-19 10:27:08,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:08,917 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 10:27:08,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-19 10:27:09,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-19 10:27:09,118 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:27:09,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:09,119 INFO L85 PathProgramCache]: Analyzing trace with hash -940765355, now seen corresponding path program 2 times [2024-11-19 10:27:09,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:09,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869333566] [2024-11-19 10:27:09,119 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:27:09,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:09,141 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:27:09,141 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:27:09,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1806864053] [2024-11-19 10:27:09,141 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:27:09,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:09,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:09,145 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:09,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-19 10:27:09,212 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:27:09,213 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:09,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 10:27:09,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:09,565 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-19 10:27:09,565 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:10,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:10,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869333566] [2024-11-19 10:27:10,034 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:10,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806864053] [2024-11-19 10:27:10,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806864053] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:10,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:10,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-19 10:27:10,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586254623] [2024-11-19 10:27:10,035 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:10,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:27:10,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:10,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:27:10,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:27:10,036 INFO L87 Difference]: Start difference. First operand 583 states and 757 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-19 10:27:10,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:10,285 INFO L93 Difference]: Finished difference Result 668 states and 863 transitions. [2024-11-19 10:27:10,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:27:10,285 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 137 [2024-11-19 10:27:10,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:10,287 INFO L225 Difference]: With dead ends: 668 [2024-11-19 10:27:10,287 INFO L226 Difference]: Without dead ends: 665 [2024-11-19 10:27:10,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:27:10,288 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 160 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:10,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 194 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:27:10,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2024-11-19 10:27:10,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 650. [2024-11-19 10:27:10,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 524 states have (on average 1.1946564885496183) internal successors, (626), 539 states have internal predecessors, (626), 109 states have call successors, (109), 1 states have call predecessors, (109), 1 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-19 10:27:10,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 844 transitions. [2024-11-19 10:27:10,359 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 844 transitions. Word has length 137 [2024-11-19 10:27:10,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:10,359 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 844 transitions. [2024-11-19 10:27:10,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-19 10:27:10,360 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 844 transitions. [2024-11-19 10:27:10,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-19 10:27:10,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:10,361 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 10:27:10,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:10,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:10,562 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:27:10,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:10,562 INFO L85 PathProgramCache]: Analyzing trace with hash -2132372105, now seen corresponding path program 2 times [2024-11-19 10:27:10,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:10,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874367079] [2024-11-19 10:27:10,563 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:27:10,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:10,577 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:27:10,577 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:27:10,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1246935470] [2024-11-19 10:27:10,583 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:27:10,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:10,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:10,586 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:10,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-19 10:27:10,650 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:27:10,650 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:10,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-19 10:27:10,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:11,048 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-19 10:27:11,048 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:12,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:12,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874367079] [2024-11-19 10:27:12,476 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:12,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246935470] [2024-11-19 10:27:12,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246935470] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:12,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:12,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-19 10:27:12,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543233623] [2024-11-19 10:27:12,477 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:12,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:27:12,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:12,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:27:12,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:27:12,478 INFO L87 Difference]: Start difference. First operand 650 states and 844 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-19 10:27:13,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:13,068 INFO L93 Difference]: Finished difference Result 670 states and 854 transitions. [2024-11-19 10:27:13,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:27:13,069 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 139 [2024-11-19 10:27:13,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:13,078 INFO L225 Difference]: With dead ends: 670 [2024-11-19 10:27:13,078 INFO L226 Difference]: Without dead ends: 663 [2024-11-19 10:27:13,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2024-11-19 10:27:13,079 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 82 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:13,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 259 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:27:13,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-11-19 10:27:13,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 534. [2024-11-19 10:27:13,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 429 states have (on average 1.1981351981351982) internal successors, (514), 444 states have internal predecessors, (514), 88 states have call successors, (88), 1 states have call predecessors, (88), 1 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-19 10:27:13,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 690 transitions. [2024-11-19 10:27:13,138 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 690 transitions. Word has length 139 [2024-11-19 10:27:13,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:13,138 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 690 transitions. [2024-11-19 10:27:13,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-19 10:27:13,139 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 690 transitions. [2024-11-19 10:27:13,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-19 10:27:13,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:13,140 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:13,156 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-19 10:27:13,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:13,344 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:27:13,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:13,345 INFO L85 PathProgramCache]: Analyzing trace with hash -226591731, now seen corresponding path program 3 times [2024-11-19 10:27:13,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:13,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528854878] [2024-11-19 10:27:13,345 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:27:13,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:13,376 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-11-19 10:27:13,376 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:27:13,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1229012792] [2024-11-19 10:27:13,377 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:27:13,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:13,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:13,381 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:13,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-19 10:27:13,478 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-19 10:27:13,478 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:13,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 10:27:13,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:13,746 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 45 proven. 17 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-19 10:27:13,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:14,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:14,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528854878] [2024-11-19 10:27:14,107 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:14,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229012792] [2024-11-19 10:27:14,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229012792] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:14,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:14,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-19 10:27:14,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29813756] [2024-11-19 10:27:14,108 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:14,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:27:14,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:14,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:27:14,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:27:14,109 INFO L87 Difference]: Start difference. First operand 534 states and 690 transitions. Second operand has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 10:27:14,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:14,819 INFO L93 Difference]: Finished difference Result 692 states and 902 transitions. [2024-11-19 10:27:14,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:27:14,820 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 139 [2024-11-19 10:27:14,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:14,823 INFO L225 Difference]: With dead ends: 692 [2024-11-19 10:27:14,823 INFO L226 Difference]: Without dead ends: 688 [2024-11-19 10:27:14,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:27:14,824 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 246 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:14,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 264 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:27:14,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-19 10:27:14,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 534. [2024-11-19 10:27:14,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 429 states have (on average 1.1888111888111887) internal successors, (510), 444 states have internal predecessors, (510), 88 states have call successors, (88), 1 states have call predecessors, (88), 1 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-19 10:27:14,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 686 transitions. [2024-11-19 10:27:14,896 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 686 transitions. Word has length 139 [2024-11-19 10:27:14,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:14,896 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 686 transitions. [2024-11-19 10:27:14,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 10:27:14,896 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 686 transitions. [2024-11-19 10:27:14,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-19 10:27:14,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:14,898 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 10:27:14,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:15,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-19 10:27:15,103 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:27:15,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:15,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1163089504, now seen corresponding path program 3 times [2024-11-19 10:27:15,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:15,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096684174] [2024-11-19 10:27:15,103 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:27:15,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:15,137 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:27:15,137 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:27:15,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [219526294] [2024-11-19 10:27:15,140 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:27:15,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:15,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:15,142 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:15,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-19 10:27:15,237 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-19 10:27:15,238 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:15,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-19 10:27:15,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:16,082 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 99 proven. 61 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-19 10:27:16,083 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:21,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:21,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096684174] [2024-11-19 10:27:21,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:21,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219526294] [2024-11-19 10:27:21,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219526294] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:21,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:21,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-19 10:27:21,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633426238] [2024-11-19 10:27:21,180 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:21,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 10:27:21,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:21,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 10:27:21,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=271, Unknown=1, NotChecked=0, Total=342 [2024-11-19 10:27:21,181 INFO L87 Difference]: Start difference. First operand 534 states and 686 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-19 10:27:24,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:24,332 INFO L93 Difference]: Finished difference Result 550 states and 708 transitions. [2024-11-19 10:27:24,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 10:27:24,332 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 146 [2024-11-19 10:27:24,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:24,335 INFO L225 Difference]: With dead ends: 550 [2024-11-19 10:27:24,335 INFO L226 Difference]: Without dead ends: 535 [2024-11-19 10:27:24,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=234, Invalid=757, Unknown=1, NotChecked=0, Total=992 [2024-11-19 10:27:24,336 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 229 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:24,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 134 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 10:27:24,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-11-19 10:27:24,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 466. [2024-11-19 10:27:24,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 378 states have (on average 1.1216931216931216) internal successors, (424), 388 states have internal predecessors, (424), 76 states have call successors, (76), 1 states have call predecessors, (76), 1 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-19 10:27:24,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 576 transitions. [2024-11-19 10:27:24,402 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 576 transitions. Word has length 146 [2024-11-19 10:27:24,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:24,404 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 576 transitions. [2024-11-19 10:27:24,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-19 10:27:24,404 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 576 transitions. [2024-11-19 10:27:24,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-19 10:27:24,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:24,405 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 10:27:24,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:24,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-19 10:27:24,606 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:27:24,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:24,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1037518274, now seen corresponding path program 3 times [2024-11-19 10:27:24,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:24,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522726727] [2024-11-19 10:27:24,607 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:27:24,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:24,628 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:27:24,628 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:27:24,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2136491226] [2024-11-19 10:27:24,629 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:27:24,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:24,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:24,631 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:24,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-19 10:27:24,706 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-19 10:27:24,706 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:24,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-19 10:27:24,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:24,950 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 66 proven. 64 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2024-11-19 10:27:24,950 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:25,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:25,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522726727] [2024-11-19 10:27:25,121 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:25,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136491226] [2024-11-19 10:27:25,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136491226] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:25,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:25,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-19 10:27:25,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061995314] [2024-11-19 10:27:25,122 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:25,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:27:25,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:25,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:27:25,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:27:25,123 INFO L87 Difference]: Start difference. First operand 466 states and 576 transitions. Second operand has 11 states, 10 states have (on average 6.7) internal successors, (67), 11 states have internal predecessors, (67), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-19 10:27:25,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:25,757 INFO L93 Difference]: Finished difference Result 470 states and 581 transitions. [2024-11-19 10:27:25,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 10:27:25,757 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.7) internal successors, (67), 11 states have internal predecessors, (67), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 148 [2024-11-19 10:27:25,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:25,764 INFO L225 Difference]: With dead ends: 470 [2024-11-19 10:27:25,764 INFO L226 Difference]: Without dead ends: 457 [2024-11-19 10:27:25,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 184 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2024-11-19 10:27:25,765 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 170 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:25,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 88 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:27:25,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-19 10:27:25,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 445. [2024-11-19 10:27:25,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 360 states have (on average 1.1111111111111112) internal successors, (400), 369 states have internal predecessors, (400), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-19 10:27:25,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 548 transitions. [2024-11-19 10:27:25,830 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 548 transitions. Word has length 148 [2024-11-19 10:27:25,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:25,830 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 548 transitions. [2024-11-19 10:27:25,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.7) internal successors, (67), 11 states have internal predecessors, (67), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-19 10:27:25,831 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 548 transitions. [2024-11-19 10:27:25,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-19 10:27:25,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:25,832 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:25,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:26,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-19 10:27:26,037 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:27:26,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:26,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1476468408, now seen corresponding path program 3 times [2024-11-19 10:27:26,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:26,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070626466] [2024-11-19 10:27:26,038 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:27:26,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:26,070 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-19 10:27:26,071 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:27:26,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [193100557] [2024-11-19 10:27:26,072 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:27:26,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:26,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:26,073 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:26,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-19 10:27:26,125 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-19 10:27:26,126 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:26,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-19 10:27:26,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:26,832 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 51 proven. 5 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2024-11-19 10:27:26,832 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:39,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:39,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070626466] [2024-11-19 10:27:39,966 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:39,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193100557] [2024-11-19 10:27:39,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193100557] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:39,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:39,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-19 10:27:39,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286867134] [2024-11-19 10:27:39,967 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:39,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:27:39,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:39,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:27:39,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=166, Unknown=3, NotChecked=0, Total=210 [2024-11-19 10:27:39,968 INFO L87 Difference]: Start difference. First operand 445 states and 548 transitions. Second operand has 10 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 10:27:40,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:40,449 INFO L93 Difference]: Finished difference Result 648 states and 807 transitions. [2024-11-19 10:27:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 10:27:40,449 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 174 [2024-11-19 10:27:40,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:40,452 INFO L225 Difference]: With dead ends: 648 [2024-11-19 10:27:40,452 INFO L226 Difference]: Without dead ends: 644 [2024-11-19 10:27:40,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=110, Invalid=349, Unknown=3, NotChecked=0, Total=462 [2024-11-19 10:27:40,454 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 190 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:40,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 120 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:27:40,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-11-19 10:27:40,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 555. [2024-11-19 10:27:40,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 449 states have (on average 1.111358574610245) internal successors, (499), 458 states have internal predecessors, (499), 95 states have call successors, (95), 1 states have call predecessors, (95), 1 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-19 10:27:40,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 689 transitions. [2024-11-19 10:27:40,537 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 689 transitions. Word has length 174 [2024-11-19 10:27:40,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:40,537 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 689 transitions. [2024-11-19 10:27:40,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 10:27:40,537 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 689 transitions. [2024-11-19 10:27:40,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-19 10:27:40,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:40,539 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:40,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:40,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-19 10:27:40,739 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:27:40,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:40,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1756681134, now seen corresponding path program 2 times [2024-11-19 10:27:40,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:40,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152724888] [2024-11-19 10:27:40,740 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:27:40,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:40,755 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:27:40,755 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:40,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-19 10:27:40,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:40,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152724888] [2024-11-19 10:27:40,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152724888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:27:40,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:27:40,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 10:27:40,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162910326] [2024-11-19 10:27:40,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:27:40,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:27:40,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:40,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:27:40,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:27:40,993 INFO L87 Difference]: Start difference. First operand 555 states and 689 transitions. Second operand has 9 states, 8 states have (on average 11.875) internal successors, (95), 9 states have internal predecessors, (95), 6 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2024-11-19 10:27:41,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:41,378 INFO L93 Difference]: Finished difference Result 718 states and 874 transitions. [2024-11-19 10:27:41,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:27:41,378 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 9 states have internal predecessors, (95), 6 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) Word has length 197 [2024-11-19 10:27:41,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:41,380 INFO L225 Difference]: With dead ends: 718 [2024-11-19 10:27:41,380 INFO L226 Difference]: Without dead ends: 717 [2024-11-19 10:27:41,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:27:41,381 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 152 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:41,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 282 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:27:41,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2024-11-19 10:27:41,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 534. [2024-11-19 10:27:41,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 433 states have (on average 1.1062355658198615) internal successors, (479), 441 states have internal predecessors, (479), 91 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-19 10:27:41,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 661 transitions. [2024-11-19 10:27:41,446 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 661 transitions. Word has length 197 [2024-11-19 10:27:41,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:41,446 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 661 transitions. [2024-11-19 10:27:41,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 9 states have internal predecessors, (95), 6 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2024-11-19 10:27:41,446 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 661 transitions. [2024-11-19 10:27:41,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-19 10:27:41,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:41,449 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:41,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-19 10:27:41,449 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:27:41,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:41,449 INFO L85 PathProgramCache]: Analyzing trace with hash 390752864, now seen corresponding path program 1 times [2024-11-19 10:27:41,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:41,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46793036] [2024-11-19 10:27:41,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:41,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:41,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-19 10:27:41,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:41,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46793036] [2024-11-19 10:27:41,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46793036] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:41,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819136960] [2024-11-19 10:27:41,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:41,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:41,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:41,683 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:41,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-19 10:27:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:41,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:27:41,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:41,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 558 proven. 39 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2024-11-19 10:27:41,898 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:42,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 110 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-19 10:27:42,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819136960] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:27:42,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:27:42,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2024-11-19 10:27:42,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650467643] [2024-11-19 10:27:42,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:42,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 10:27:42,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:42,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 10:27:42,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:27:42,093 INFO L87 Difference]: Start difference. First operand 534 states and 661 transitions. Second operand has 15 states, 15 states have (on average 12.866666666666667) internal successors, (193), 15 states have internal predecessors, (193), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) [2024-11-19 10:27:43,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:43,011 INFO L93 Difference]: Finished difference Result 947 states and 1169 transitions. [2024-11-19 10:27:43,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-19 10:27:43,011 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.866666666666667) internal successors, (193), 15 states have internal predecessors, (193), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) Word has length 212 [2024-11-19 10:27:43,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:43,013 INFO L225 Difference]: With dead ends: 947 [2024-11-19 10:27:43,013 INFO L226 Difference]: Without dead ends: 620 [2024-11-19 10:27:43,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 416 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=687, Unknown=0, NotChecked=0, Total=870 [2024-11-19 10:27:43,015 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 220 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:43,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 510 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 10:27:43,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2024-11-19 10:27:43,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 588. [2024-11-19 10:27:43,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 477 states have (on average 1.1048218029350105) internal successors, (527), 485 states have internal predecessors, (527), 101 states have call successors, (101), 1 states have call predecessors, (101), 1 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2024-11-19 10:27:43,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 729 transitions. [2024-11-19 10:27:43,111 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 729 transitions. Word has length 212 [2024-11-19 10:27:43,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:43,111 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 729 transitions. [2024-11-19 10:27:43,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.866666666666667) internal successors, (193), 15 states have internal predecessors, (193), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) [2024-11-19 10:27:43,112 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 729 transitions. [2024-11-19 10:27:43,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-19 10:27:43,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:43,113 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:43,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-19 10:27:43,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:43,314 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:27:43,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:43,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1587931792, now seen corresponding path program 2 times [2024-11-19 10:27:43,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:43,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129709393] [2024-11-19 10:27:43,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:27:43,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:43,328 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:27:43,328 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:43,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-19 10:27:43,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:43,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129709393] [2024-11-19 10:27:43,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129709393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:43,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709040562] [2024-11-19 10:27:43,506 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:27:43,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:43,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:43,508 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:43,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-19 10:27:43,586 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:27:43,587 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:43,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:27:43,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:43,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-19 10:27:43,936 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:44,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-19 10:27:44,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709040562] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:27:44,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:27:44,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-19 10:27:44,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790630505] [2024-11-19 10:27:44,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:44,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-19 10:27:44,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:44,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-19 10:27:44,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=291, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:27:44,190 INFO L87 Difference]: Start difference. First operand 588 states and 729 transitions. Second operand has 22 states, 21 states have (on average 14.095238095238095) internal successors, (296), 22 states have internal predecessors, (296), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2024-11-19 10:27:45,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:45,190 INFO L93 Difference]: Finished difference Result 1817 states and 2291 transitions. [2024-11-19 10:27:45,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-19 10:27:45,190 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 14.095238095238095) internal successors, (296), 22 states have internal predecessors, (296), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) Word has length 212 [2024-11-19 10:27:45,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:45,196 INFO L225 Difference]: With dead ends: 1817 [2024-11-19 10:27:45,196 INFO L226 Difference]: Without dead ends: 1754 [2024-11-19 10:27:45,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=587, Invalid=973, Unknown=0, NotChecked=0, Total=1560 [2024-11-19 10:27:45,197 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 1125 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1139 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:45,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1139 Valid, 352 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:27:45,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2024-11-19 10:27:45,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 1243. [2024-11-19 10:27:45,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1243 states, 1017 states have (on average 1.0973451327433628) internal successors, (1116), 1025 states have internal predecessors, (1116), 216 states have call successors, (216), 1 states have call predecessors, (216), 1 states have return successors, (216), 216 states have call predecessors, (216), 216 states have call successors, (216) [2024-11-19 10:27:45,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1548 transitions. [2024-11-19 10:27:45,361 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1548 transitions. Word has length 212 [2024-11-19 10:27:45,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:45,361 INFO L471 AbstractCegarLoop]: Abstraction has 1243 states and 1548 transitions. [2024-11-19 10:27:45,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 14.095238095238095) internal successors, (296), 22 states have internal predecessors, (296), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2024-11-19 10:27:45,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1548 transitions. [2024-11-19 10:27:45,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-19 10:27:45,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:45,363 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:27:45,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:45,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:45,564 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:27:45,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:45,564 INFO L85 PathProgramCache]: Analyzing trace with hash 336538929, now seen corresponding path program 4 times [2024-11-19 10:27:45,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:45,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950778922] [2024-11-19 10:27:45,564 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:27:45,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:45,591 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:27:45,591 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:27:45,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1868306138] [2024-11-19 10:27:45,592 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:27:45,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:45,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:45,595 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:45,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-19 10:27:45,676 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:27:45,676 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:45,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 10:27:45,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:46,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 138 proven. 43 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-19 10:27:46,222 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:46,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:46,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950778922] [2024-11-19 10:27:46,360 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:46,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868306138] [2024-11-19 10:27:46,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868306138] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:46,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:46,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-19 10:27:46,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603100606] [2024-11-19 10:27:46,361 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:46,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:27:46,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:46,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:27:46,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:27:46,362 INFO L87 Difference]: Start difference. First operand 1243 states and 1548 transitions. Second operand has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 12 states have internal predecessors, (109), 9 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 9 states have call predecessors, (23), 9 states have call successors, (23) [2024-11-19 10:27:47,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:47,685 INFO L93 Difference]: Finished difference Result 1551 states and 1931 transitions. [2024-11-19 10:27:47,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-19 10:27:47,685 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 12 states have internal predecessors, (109), 9 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 9 states have call predecessors, (23), 9 states have call successors, (23) Word has length 221 [2024-11-19 10:27:47,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:47,691 INFO L225 Difference]: With dead ends: 1551 [2024-11-19 10:27:47,691 INFO L226 Difference]: Without dead ends: 1526 [2024-11-19 10:27:47,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2024-11-19 10:27:47,692 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 169 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:47,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 529 Invalid, 1020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 10:27:47,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1526 states. [2024-11-19 10:27:47,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1526 to 1209. [2024-11-19 10:27:47,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 989 states have (on average 1.0920121334681496) internal successors, (1080), 997 states have internal predecessors, (1080), 210 states have call successors, (210), 1 states have call predecessors, (210), 1 states have return successors, (210), 210 states have call predecessors, (210), 210 states have call successors, (210) [2024-11-19 10:27:47,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1500 transitions. [2024-11-19 10:27:47,854 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1500 transitions. Word has length 221 [2024-11-19 10:27:47,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:47,854 INFO L471 AbstractCegarLoop]: Abstraction has 1209 states and 1500 transitions. [2024-11-19 10:27:47,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 12 states have internal predecessors, (109), 9 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 9 states have call predecessors, (23), 9 states have call successors, (23) [2024-11-19 10:27:47,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1500 transitions. [2024-11-19 10:27:47,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-11-19 10:27:47,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:47,856 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:27:47,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-19 10:27:48,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-19 10:27:48,057 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:27:48,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:48,057 INFO L85 PathProgramCache]: Analyzing trace with hash -922079403, now seen corresponding path program 5 times [2024-11-19 10:27:48,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:48,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174977362] [2024-11-19 10:27:48,057 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:27:48,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:48,104 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-11-19 10:27:48,104 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:27:48,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [684222134] [2024-11-19 10:27:48,105 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:27:48,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:48,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:48,109 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:48,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-19 10:27:48,219 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-11-19 10:27:48,220 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:48,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-19 10:27:48,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:49,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 28 proven. 245 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-19 10:27:49,123 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:49,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:49,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174977362] [2024-11-19 10:27:49,207 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:49,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684222134] [2024-11-19 10:27:49,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684222134] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:49,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:49,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-19 10:27:49,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440799659] [2024-11-19 10:27:49,208 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:49,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 10:27:49,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:49,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 10:27:49,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2024-11-19 10:27:49,209 INFO L87 Difference]: Start difference. First operand 1209 states and 1500 transitions. Second operand has 18 states, 17 states have (on average 7.470588235294118) internal successors, (127), 18 states have internal predecessors, (127), 11 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) [2024-11-19 10:27:52,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:52,610 INFO L93 Difference]: Finished difference Result 2461 states and 3090 transitions. [2024-11-19 10:27:52,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-19 10:27:52,611 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 7.470588235294118) internal successors, (127), 18 states have internal predecessors, (127), 11 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) Word has length 259 [2024-11-19 10:27:52,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:52,620 INFO L225 Difference]: With dead ends: 2461 [2024-11-19 10:27:52,620 INFO L226 Difference]: Without dead ends: 2430 [2024-11-19 10:27:52,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=468, Invalid=2184, Unknown=0, NotChecked=0, Total=2652 [2024-11-19 10:27:52,621 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 485 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 5016 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 5141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 5016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:52,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [497 Valid, 719 Invalid, 5141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 5016 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-19 10:27:52,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2430 states. [2024-11-19 10:27:52,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2430 to 1664. [2024-11-19 10:27:52,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1664 states, 1359 states have (on average 1.083149374540103) internal successors, (1472), 1367 states have internal predecessors, (1472), 295 states have call successors, (295), 1 states have call predecessors, (295), 1 states have return successors, (295), 295 states have call predecessors, (295), 295 states have call successors, (295) [2024-11-19 10:27:52,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 2062 transitions. [2024-11-19 10:27:52,911 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 2062 transitions. Word has length 259 [2024-11-19 10:27:52,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:52,911 INFO L471 AbstractCegarLoop]: Abstraction has 1664 states and 2062 transitions. [2024-11-19 10:27:52,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 7.470588235294118) internal successors, (127), 18 states have internal predecessors, (127), 11 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) [2024-11-19 10:27:52,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2062 transitions. [2024-11-19 10:27:52,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-19 10:27:52,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:52,914 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:52,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:53,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:53,114 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:27:53,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:53,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1227874804, now seen corresponding path program 1 times [2024-11-19 10:27:53,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:53,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624025294] [2024-11-19 10:27:53,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:53,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:53,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 64 proven. 249 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-19 10:27:53,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:53,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624025294] [2024-11-19 10:27:53,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624025294] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:53,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147914724] [2024-11-19 10:27:53,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:53,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:53,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:53,367 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:53,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-19 10:27:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:53,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:27:53,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:53,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 584 proven. 157 refuted. 0 times theorem prover too weak. 976 trivial. 0 not checked. [2024-11-19 10:27:53,642 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:53,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 144 proven. 157 refuted. 0 times theorem prover too weak. 1416 trivial. 0 not checked. [2024-11-19 10:27:53,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147914724] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:27:53,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:27:53,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 14 [2024-11-19 10:27:53,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704243406] [2024-11-19 10:27:53,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:53,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:27:53,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:53,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:27:53,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:27:53,865 INFO L87 Difference]: Start difference. First operand 1664 states and 2062 transitions. Second operand has 14 states, 14 states have (on average 13.142857142857142) internal successors, (184), 14 states have internal predecessors, (184), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2024-11-19 10:27:54,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:54,889 INFO L93 Difference]: Finished difference Result 2274 states and 2812 transitions. [2024-11-19 10:27:54,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 10:27:54,890 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.142857142857142) internal successors, (184), 14 states have internal predecessors, (184), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) Word has length 262 [2024-11-19 10:27:54,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:54,894 INFO L225 Difference]: With dead ends: 2274 [2024-11-19 10:27:54,894 INFO L226 Difference]: Without dead ends: 1151 [2024-11-19 10:27:54,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 516 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2024-11-19 10:27:54,896 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 166 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 1236 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:54,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 739 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1236 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 10:27:54,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2024-11-19 10:27:55,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1084. [2024-11-19 10:27:55,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 880 states have (on average 1.0852272727272727) internal successors, (955), 888 states have internal predecessors, (955), 194 states have call successors, (194), 1 states have call predecessors, (194), 1 states have return successors, (194), 194 states have call predecessors, (194), 194 states have call successors, (194) [2024-11-19 10:27:55,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1343 transitions. [2024-11-19 10:27:55,037 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1343 transitions. Word has length 262 [2024-11-19 10:27:55,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:55,037 INFO L471 AbstractCegarLoop]: Abstraction has 1084 states and 1343 transitions. [2024-11-19 10:27:55,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.142857142857142) internal successors, (184), 14 states have internal predecessors, (184), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2024-11-19 10:27:55,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1343 transitions. [2024-11-19 10:27:55,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-19 10:27:55,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:55,039 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:27:55,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:55,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:55,239 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-19 10:27:55,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:55,240 INFO L85 PathProgramCache]: Analyzing trace with hash 181554417, now seen corresponding path program 6 times [2024-11-19 10:27:55,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:55,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079625854] [2024-11-19 10:27:55,240 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 10:27:55,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:55,297 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2024-11-19 10:27:55,300 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:27:55,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1706648473] [2024-11-19 10:27:55,301 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 10:27:55,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:55,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:55,303 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:55,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-19 10:27:55,426 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-19 10:27:55,426 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:55,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-19 10:27:55,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:56,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2247 backedges. 178 proven. 189 refuted. 0 times theorem prover too weak. 1880 trivial. 0 not checked. [2024-11-19 10:27:56,228 INFO L311 TraceCheckSpWp]: Computing backward predicates...