./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/jain_5-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f 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/bitvector/jain_5-1.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 ce25b6bd0efa145a105c85604d85a015d6e6bffce3769a218e2fa9a5cf656dc9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:33:22,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:33:22,545 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:33:22,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:33:22,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:33:22,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:33:22,586 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:33:22,586 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:33:22,587 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:33:22,587 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:33:22,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:33:22,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:33:22,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:33:22,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:33:22,593 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:33:22,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:33:22,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:33:22,593 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:33:22,593 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:33:22,594 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:33:22,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:33:22,595 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:33:22,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:33:22,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:33:22,595 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:33:22,596 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:33:22,596 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:33:22,596 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:33:22,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:33:22,596 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:33:22,596 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:33:22,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:33:22,597 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:33:22,597 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:33:22,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:33:22,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:33:22,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:33:22,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:33:22,598 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:33:22,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:33:22,599 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:33:22,599 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:33:22,599 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:33:22,599 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:33:22,600 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce25b6bd0efa145a105c85604d85a015d6e6bffce3769a218e2fa9a5cf656dc9 [2024-11-10 18:33:22,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:33:22,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:33:22,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:33:22,824 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:33:22,824 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:33:22,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/jain_5-1.c [2024-11-10 18:33:23,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:33:24,146 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:33:24,147 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_5-1.c [2024-11-10 18:33:24,155 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/052c67566/f95b8b97295a408c84c66c9cd1124791/FLAG6faea7763 [2024-11-10 18:33:24,168 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/052c67566/f95b8b97295a408c84c66c9cd1124791 [2024-11-10 18:33:24,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:33:24,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:33:24,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:33:24,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:33:24,180 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:33:24,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:33:24" (1/1) ... [2024-11-10 18:33:24,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73bab049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:33:24, skipping insertion in model container [2024-11-10 18:33:24,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:33:24" (1/1) ... [2024-11-10 18:33:24,196 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:33:24,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:33:24,352 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:33:24,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:33:24,379 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:33:24,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:33:24 WrapperNode [2024-11-10 18:33:24,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:33:24,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:33:24,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:33:24,381 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:33:24,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:33:24" (1/1) ... [2024-11-10 18:33:24,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:33:24" (1/1) ... [2024-11-10 18:33:24,404 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 32 [2024-11-10 18:33:24,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:33:24,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:33:24,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:33:24,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:33:24,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:33:24" (1/1) ... [2024-11-10 18:33:24,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:33:24" (1/1) ... [2024-11-10 18:33:24,414 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:33:24" (1/1) ... [2024-11-10 18:33:24,421 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]. [2024-11-10 18:33:24,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:33:24" (1/1) ... [2024-11-10 18:33:24,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:33:24" (1/1) ... [2024-11-10 18:33:24,426 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:33:24" (1/1) ... [2024-11-10 18:33:24,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:33:24" (1/1) ... [2024-11-10 18:33:24,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:33:24" (1/1) ... [2024-11-10 18:33:24,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:33:24" (1/1) ... [2024-11-10 18:33:24,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:33:24,430 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:33:24,430 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:33:24,430 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:33:24,433 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:33:24" (1/1) ... [2024-11-10 18:33:24,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:33:24,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:33:24,460 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) [2024-11-10 18:33:24,463 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 [2024-11-10 18:33:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:33:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:33:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:33:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:33:24,543 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:33:24,545 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:33:24,644 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-10 18:33:24,644 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:33:24,656 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:33:24,659 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:33:24,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:33:24 BoogieIcfgContainer [2024-11-10 18:33:24,659 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:33:24,661 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:33:24,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:33:24,664 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:33:24,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:33:24" (1/3) ... [2024-11-10 18:33:24,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4331c40a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:33:24, skipping insertion in model container [2024-11-10 18:33:24,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:33:24" (2/3) ... [2024-11-10 18:33:24,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4331c40a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:33:24, skipping insertion in model container [2024-11-10 18:33:24,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:33:24" (3/3) ... [2024-11-10 18:33:24,668 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_5-1.c [2024-11-10 18:33:24,693 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:33:24,693 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-10 18:33:24,744 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:33:24,749 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;@6fec7106, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:33:24,752 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-10 18:33:24,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 17 states have (on average 1.411764705882353) internal successors, (24), 21 states have internal predecessors, (24), 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) [2024-11-10 18:33:24,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-10 18:33:24,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:33:24,760 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-10 18:33:24,762 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:33:24,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:33:24,770 INFO L85 PathProgramCache]: Analyzing trace with hash 51499667, now seen corresponding path program 1 times [2024-11-10 18:33:24,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:33:24,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489880251] [2024-11-10 18:33:24,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:33:24,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:33:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:33:24,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:24,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:33:24,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489880251] [2024-11-10 18:33:24,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489880251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:33:24,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:33:24,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:33:24,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7319922] [2024-11-10 18:33:24,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:33:24,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:33:24,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:33:24,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:33:24,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:33:24,976 INFO L87 Difference]: Start difference. First operand has 22 states, 17 states have (on average 1.411764705882353) internal successors, (24), 21 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:33:25,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:33:25,022 INFO L93 Difference]: Finished difference Result 42 states and 51 transitions. [2024-11-10 18:33:25,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:33:25,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-10 18:33:25,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:33:25,029 INFO L225 Difference]: With dead ends: 42 [2024-11-10 18:33:25,030 INFO L226 Difference]: Without dead ends: 21 [2024-11-10 18:33:25,032 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 [2024-11-10 18:33:25,034 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:33:25,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 19 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:33:25,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-10 18:33:25,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2024-11-10 18:33:25,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 18 states have internal predecessors, (19), 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) [2024-11-10 18:33:25,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2024-11-10 18:33:25,055 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 5 [2024-11-10 18:33:25,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:33:25,056 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2024-11-10 18:33:25,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:33:25,056 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2024-11-10 18:33:25,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 18:33:25,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:33:25,056 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 18:33:25,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:33:25,057 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:33:25,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:33:25,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1596489662, now seen corresponding path program 1 times [2024-11-10 18:33:25,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:33:25,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949132387] [2024-11-10 18:33:25,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:33:25,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:33:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:33:25,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:25,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:33:25,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949132387] [2024-11-10 18:33:25,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949132387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:33:25,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:33:25,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:33:25,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057140745] [2024-11-10 18:33:25,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:33:25,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:33:25,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:33:25,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:33:25,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:33:25,105 INFO L87 Difference]: Start difference. First operand 19 states and 19 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) [2024-11-10 18:33:25,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:33:25,124 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2024-11-10 18:33:25,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:33:25,125 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 [2024-11-10 18:33:25,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:33:25,125 INFO L225 Difference]: With dead ends: 22 [2024-11-10 18:33:25,125 INFO L226 Difference]: Without dead ends: 21 [2024-11-10 18:33:25,126 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 [2024-11-10 18:33:25,126 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 1 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:33:25,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 18 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:33:25,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-10 18:33:25,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2024-11-10 18:33:25,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:33:25,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2024-11-10 18:33:25,132 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 6 [2024-11-10 18:33:25,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:33:25,132 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2024-11-10 18:33:25,133 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) [2024-11-10 18:33:25,133 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2024-11-10 18:33:25,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 18:33:25,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:33:25,134 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:33:25,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:33:25,135 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:33:25,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:33:25,139 INFO L85 PathProgramCache]: Analyzing trace with hash 923239996, now seen corresponding path program 1 times [2024-11-10 18:33:25,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:33:25,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440958132] [2024-11-10 18:33:25,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:33:25,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:33:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:33:25,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:25,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:33:25,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440958132] [2024-11-10 18:33:25,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440958132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:33:25,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:33:25,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:33:25,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225429146] [2024-11-10 18:33:25,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:33:25,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:33:25,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:33:25,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:33:25,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:33:25,170 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:33:25,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:33:25,187 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2024-11-10 18:33:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:33:25,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-10 18:33:25,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:33:25,188 INFO L225 Difference]: With dead ends: 20 [2024-11-10 18:33:25,188 INFO L226 Difference]: Without dead ends: 19 [2024-11-10 18:33:25,188 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 [2024-11-10 18:33:25,189 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:33:25,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:33:25,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-10 18:33:25,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-11-10 18:33:25,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 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) [2024-11-10 18:33:25,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2024-11-10 18:33:25,193 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 8 [2024-11-10 18:33:25,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:33:25,193 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2024-11-10 18:33:25,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:33:25,193 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2024-11-10 18:33:25,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-10 18:33:25,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:33:25,193 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:33:25,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:33:25,194 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:33:25,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:33:25,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1444331216, now seen corresponding path program 1 times [2024-11-10 18:33:25,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:33:25,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726864377] [2024-11-10 18:33:25,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:33:25,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:33:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:33:25,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:25,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:33:25,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726864377] [2024-11-10 18:33:25,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726864377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:33:25,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:33:25,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:33:25,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58240696] [2024-11-10 18:33:25,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:33:25,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:33:25,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:33:25,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:33:25,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:33:25,236 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-10 18:33:25,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:33:25,262 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2024-11-10 18:33:25,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:33:25,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-10 18:33:25,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:33:25,263 INFO L225 Difference]: With dead ends: 24 [2024-11-10 18:33:25,263 INFO L226 Difference]: Without dead ends: 23 [2024-11-10 18:33:25,264 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 [2024-11-10 18:33:25,264 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:33:25,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 14 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:33:25,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-10 18:33:25,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2024-11-10 18:33:25,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 21 states have internal predecessors, (22), 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) [2024-11-10 18:33:25,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2024-11-10 18:33:25,270 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 9 [2024-11-10 18:33:25,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:33:25,270 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2024-11-10 18:33:25,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-10 18:33:25,271 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2024-11-10 18:33:25,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 18:33:25,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:33:25,271 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:33:25,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:33:25,273 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:33:25,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:33:25,273 INFO L85 PathProgramCache]: Analyzing trace with hash 306670078, now seen corresponding path program 1 times [2024-11-10 18:33:25,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:33:25,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139500196] [2024-11-10 18:33:25,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:33:25,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:33:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:33:25,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:25,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:33:25,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139500196] [2024-11-10 18:33:25,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139500196] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:33:25,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157707883] [2024-11-10 18:33:25,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:33:25,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:33:25,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:33:25,391 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) [2024-11-10 18:33:25,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 18:33:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:33:25,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:33:25,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:33:25,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:25,575 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:33:25,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157707883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:33:25,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:33:25,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-10 18:33:25,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114104791] [2024-11-10 18:33:25,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:33:25,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:33:25,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:33:25,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:33:25,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:33:25,577 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-11-10 18:33:25,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:33:25,624 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2024-11-10 18:33:25,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:33:25,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-10 18:33:25,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:33:25,625 INFO L225 Difference]: With dead ends: 23 [2024-11-10 18:33:25,625 INFO L226 Difference]: Without dead ends: 22 [2024-11-10 18:33:25,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:33:25,626 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 4 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:33:25,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 19 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:33:25,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-10 18:33:25,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2024-11-10 18:33:25,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 19 states have (on average 1.105263157894737) internal successors, (21), 20 states have internal predecessors, (21), 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) [2024-11-10 18:33:25,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2024-11-10 18:33:25,629 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 15 [2024-11-10 18:33:25,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:33:25,630 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2024-11-10 18:33:25,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-11-10 18:33:25,630 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2024-11-10 18:33:25,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-10 18:33:25,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:33:25,630 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:33:25,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 18:33:25,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:33:25,833 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:33:25,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:33:25,833 INFO L85 PathProgramCache]: Analyzing trace with hash 916837811, now seen corresponding path program 1 times [2024-11-10 18:33:25,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:33:25,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125724864] [2024-11-10 18:33:25,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:33:25,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:33:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:33:25,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:25,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:33:25,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125724864] [2024-11-10 18:33:25,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125724864] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:33:25,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124058044] [2024-11-10 18:33:25,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:33:25,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:33:25,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:33:25,931 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) [2024-11-10 18:33:25,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 18:33:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:33:25,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:33:25,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:33:26,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:26,038 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:33:26,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:26,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124058044] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:33:26,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:33:26,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-10 18:33:26,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933600995] [2024-11-10 18:33:26,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:33:26,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 18:33:26,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:33:26,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 18:33:26,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2024-11-10 18:33:26,090 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 11 states, 10 states have (on average 4.6) internal successors, (46), 11 states have internal predecessors, (46), 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) [2024-11-10 18:33:26,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:33:26,161 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2024-11-10 18:33:26,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:33:26,161 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 11 states have internal predecessors, (46), 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 16 [2024-11-10 18:33:26,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:33:26,162 INFO L225 Difference]: With dead ends: 39 [2024-11-10 18:33:26,162 INFO L226 Difference]: Without dead ends: 38 [2024-11-10 18:33:26,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=87, Unknown=0, NotChecked=0, Total=156 [2024-11-10 18:33:26,163 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 9 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:33:26,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 38 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:33:26,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-10 18:33:26,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-10 18:33:26,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 37 states have internal predecessors, (39), 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) [2024-11-10 18:33:26,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2024-11-10 18:33:26,171 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 16 [2024-11-10 18:33:26,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:33:26,171 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2024-11-10 18:33:26,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 11 states have internal predecessors, (46), 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) [2024-11-10 18:33:26,171 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2024-11-10 18:33:26,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-10 18:33:26,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:33:26,172 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:33:26,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 18:33:26,372 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,SelfDestructingSolverStorable5 [2024-11-10 18:33:26,373 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:33:26,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:33:26,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1818176283, now seen corresponding path program 1 times [2024-11-10 18:33:26,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:33:26,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414651600] [2024-11-10 18:33:26,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:33:26,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:33:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:33:26,402 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:26,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:33:26,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414651600] [2024-11-10 18:33:26,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414651600] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:33:26,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370099448] [2024-11-10 18:33:26,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:33:26,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:33:26,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:33:26,409 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) [2024-11-10 18:33:26,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 18:33:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:33:26,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:33:26,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:33:26,464 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:26,464 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:33:26,490 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:26,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370099448] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:33:26,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:33:26,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-10 18:33:26,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795742744] [2024-11-10 18:33:26,490 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:33:26,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:33:26,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:33:26,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:33:26,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:33:26,492 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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) [2024-11-10 18:33:26,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:33:26,523 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2024-11-10 18:33:26,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:33:26,523 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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 19 [2024-11-10 18:33:26,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:33:26,524 INFO L225 Difference]: With dead ends: 52 [2024-11-10 18:33:26,524 INFO L226 Difference]: Without dead ends: 51 [2024-11-10 18:33:26,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:33:26,524 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:33:26,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 27 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:33:26,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-10 18:33:26,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-10 18:33:26,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 49 states have (on average 1.0612244897959184) internal successors, (52), 50 states have internal predecessors, (52), 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) [2024-11-10 18:33:26,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2024-11-10 18:33:26,528 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 19 [2024-11-10 18:33:26,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:33:26,528 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2024-11-10 18:33:26,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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) [2024-11-10 18:33:26,529 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2024-11-10 18:33:26,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-10 18:33:26,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:33:26,529 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-10 18:33:26,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 18:33:26,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:33:26,734 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:33:26,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:33:26,734 INFO L85 PathProgramCache]: Analyzing trace with hash 318752477, now seen corresponding path program 2 times [2024-11-10 18:33:26,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:33:26,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794858708] [2024-11-10 18:33:26,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:33:26,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:33:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:33:26,873 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:26,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:33:26,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794858708] [2024-11-10 18:33:26,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794858708] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:33:26,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865236537] [2024-11-10 18:33:26,874 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:33:26,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:33:26,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:33:26,876 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) [2024-11-10 18:33:26,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 18:33:26,909 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:33:26,909 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:33:26,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 18:33:26,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:33:27,085 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:27,085 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:33:27,214 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:27,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865236537] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:33:27,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:33:27,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-11-10 18:33:27,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074365553] [2024-11-10 18:33:27,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:33:27,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 18:33:27,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:33:27,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 18:33:27,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=337, Unknown=0, NotChecked=0, Total=506 [2024-11-10 18:33:27,216 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand has 23 states, 22 states have (on average 4.818181818181818) internal successors, (106), 23 states have internal predecessors, (106), 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) [2024-11-10 18:33:27,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:33:27,389 INFO L93 Difference]: Finished difference Result 79 states and 84 transitions. [2024-11-10 18:33:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 18:33:27,390 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 4.818181818181818) internal successors, (106), 23 states have internal predecessors, (106), 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 36 [2024-11-10 18:33:27,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:33:27,390 INFO L225 Difference]: With dead ends: 79 [2024-11-10 18:33:27,391 INFO L226 Difference]: Without dead ends: 78 [2024-11-10 18:33:27,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=305, Invalid=565, Unknown=0, NotChecked=0, Total=870 [2024-11-10 18:33:27,392 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 30 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:33:27,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 79 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:33:27,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-10 18:33:27,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-10 18:33:27,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 76 states have (on average 1.0526315789473684) internal successors, (80), 77 states have internal predecessors, (80), 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) [2024-11-10 18:33:27,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2024-11-10 18:33:27,397 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 36 [2024-11-10 18:33:27,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:33:27,398 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2024-11-10 18:33:27,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 4.818181818181818) internal successors, (106), 23 states have internal predecessors, (106), 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) [2024-11-10 18:33:27,398 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2024-11-10 18:33:27,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 18:33:27,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:33:27,399 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1] [2024-11-10 18:33:27,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 18:33:27,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:33:27,600 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:33:27,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:33:27,600 INFO L85 PathProgramCache]: Analyzing trace with hash -894521764, now seen corresponding path program 2 times [2024-11-10 18:33:27,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:33:27,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979163759] [2024-11-10 18:33:27,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:33:27,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:33:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:33:27,732 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:27,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:33:27,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979163759] [2024-11-10 18:33:27,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979163759] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:33:27,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956870423] [2024-11-10 18:33:27,733 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:33:27,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:33:27,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:33:27,735 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) [2024-11-10 18:33:27,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 18:33:27,771 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:33:27,771 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:33:27,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 18:33:27,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:33:27,958 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 45 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:27,959 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:33:28,118 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:28,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956870423] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:33:28,119 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:33:28,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2024-11-10 18:33:28,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745009159] [2024-11-10 18:33:28,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:33:28,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-10 18:33:28,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:33:28,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-10 18:33:28,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=532, Unknown=0, NotChecked=0, Total=702 [2024-11-10 18:33:28,121 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand has 27 states, 26 states have (on average 5.115384615384615) internal successors, (133), 27 states have internal predecessors, (133), 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) [2024-11-10 18:33:28,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:33:28,297 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2024-11-10 18:33:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 18:33:28,297 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 5.115384615384615) internal successors, (133), 27 states have internal predecessors, (133), 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 49 [2024-11-10 18:33:28,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:33:28,298 INFO L225 Difference]: With dead ends: 78 [2024-11-10 18:33:28,298 INFO L226 Difference]: Without dead ends: 77 [2024-11-10 18:33:28,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=455, Invalid=1027, Unknown=0, NotChecked=0, Total=1482 [2024-11-10 18:33:28,300 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 33 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:33:28,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 122 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:33:28,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-10 18:33:28,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-10 18:33:28,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.013157894736842) internal successors, (77), 76 states have internal predecessors, (77), 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) [2024-11-10 18:33:28,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2024-11-10 18:33:28,304 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 49 [2024-11-10 18:33:28,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:33:28,305 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2024-11-10 18:33:28,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 5.115384615384615) internal successors, (133), 27 states have internal predecessors, (133), 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) [2024-11-10 18:33:28,305 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2024-11-10 18:33:28,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-10 18:33:28,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:33:28,307 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1] [2024-11-10 18:33:28,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 18:33:28,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:33:28,508 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:33:28,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:33:28,508 INFO L85 PathProgramCache]: Analyzing trace with hash 53182001, now seen corresponding path program 3 times [2024-11-10 18:33:28,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:33:28,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249252971] [2024-11-10 18:33:28,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:33:28,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:33:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:33:28,800 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:28,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:33:28,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249252971] [2024-11-10 18:33:28,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249252971] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:33:28,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78806094] [2024-11-10 18:33:28,802 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:33:28,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:33:28,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:33:28,804 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) [2024-11-10 18:33:28,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 18:33:28,854 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-10 18:33:28,854 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:33:28,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 18:33:28,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:33:29,206 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:29,206 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:33:29,542 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:29,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78806094] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:33:29,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:33:29,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 46 [2024-11-10 18:33:29,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898018582] [2024-11-10 18:33:29,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:33:29,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-10 18:33:29,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:33:29,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-10 18:33:29,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=591, Invalid=1571, Unknown=0, NotChecked=0, Total=2162 [2024-11-10 18:33:29,545 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand has 47 states, 46 states have (on average 4.913043478260869) internal successors, (226), 47 states have internal predecessors, (226), 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) [2024-11-10 18:33:30,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:33:30,104 INFO L93 Difference]: Finished difference Result 158 states and 165 transitions. [2024-11-10 18:33:30,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-10 18:33:30,104 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 4.913043478260869) internal successors, (226), 47 states have internal predecessors, (226), 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 76 [2024-11-10 18:33:30,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:33:30,105 INFO L225 Difference]: With dead ends: 158 [2024-11-10 18:33:30,105 INFO L226 Difference]: Without dead ends: 157 [2024-11-10 18:33:30,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1522 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1316, Invalid=2974, Unknown=0, NotChecked=0, Total=4290 [2024-11-10 18:33:30,107 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 129 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:33:30,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 165 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:33:30,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-10 18:33:30,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2024-11-10 18:33:30,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 156 states have (on average 1.0064102564102564) internal successors, (157), 156 states have internal predecessors, (157), 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) [2024-11-10 18:33:30,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 157 transitions. [2024-11-10 18:33:30,114 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 157 transitions. Word has length 76 [2024-11-10 18:33:30,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:33:30,115 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 157 transitions. [2024-11-10 18:33:30,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 4.913043478260869) internal successors, (226), 47 states have internal predecessors, (226), 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) [2024-11-10 18:33:30,115 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 157 transitions. [2024-11-10 18:33:30,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-10 18:33:30,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:33:30,116 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1] [2024-11-10 18:33:30,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 18:33:30,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:33:30,317 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:33:30,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:33:30,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1776795431, now seen corresponding path program 4 times [2024-11-10 18:33:30,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:33:30,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346584928] [2024-11-10 18:33:30,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:33:30,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:33:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:33:31,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 0 proven. 1110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:31,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:33:31,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346584928] [2024-11-10 18:33:31,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346584928] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:33:31,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804623277] [2024-11-10 18:33:31,062 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 18:33:31,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:33:31,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:33:31,065 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) [2024-11-10 18:33:31,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 18:33:31,116 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 18:33:31,117 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:33:31,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-10 18:33:31,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:33:31,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 0 proven. 1110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:31,969 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:33:32,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 0 proven. 1110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:32,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804623277] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:33:32,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:33:32,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 94 [2024-11-10 18:33:32,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291812943] [2024-11-10 18:33:32,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:33:32,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2024-11-10 18:33:32,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:33:32,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2024-11-10 18:33:32,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2155, Invalid=6775, Unknown=0, NotChecked=0, Total=8930 [2024-11-10 18:33:32,890 INFO L87 Difference]: Start difference. First operand 157 states and 157 transitions. Second operand has 95 states, 94 states have (on average 4.957446808510638) internal successors, (466), 95 states have internal predecessors, (466), 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) [2024-11-10 18:33:34,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:33:34,846 INFO L93 Difference]: Finished difference Result 318 states and 333 transitions. [2024-11-10 18:33:34,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-10 18:33:34,847 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 94 states have (on average 4.957446808510638) internal successors, (466), 95 states have internal predecessors, (466), 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 156 [2024-11-10 18:33:34,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:33:34,848 INFO L225 Difference]: With dead ends: 318 [2024-11-10 18:33:34,848 INFO L226 Difference]: Without dead ends: 317 [2024-11-10 18:33:34,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7098 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=5452, Invalid=13454, Unknown=0, NotChecked=0, Total=18906 [2024-11-10 18:33:34,852 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 622 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:33:34,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 333 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:33:34,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-10 18:33:34,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2024-11-10 18:33:34,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 316 states have (on average 1.0031645569620253) internal successors, (317), 316 states have internal predecessors, (317), 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) [2024-11-10 18:33:34,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 317 transitions. [2024-11-10 18:33:34,871 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 317 transitions. Word has length 156 [2024-11-10 18:33:34,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:33:34,871 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 317 transitions. [2024-11-10 18:33:34,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 94 states have (on average 4.957446808510638) internal successors, (466), 95 states have internal predecessors, (466), 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) [2024-11-10 18:33:34,872 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 317 transitions. [2024-11-10 18:33:34,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-10 18:33:34,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:33:34,878 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 31, 31, 31, 31, 31, 31, 31, 1, 1, 1] [2024-11-10 18:33:34,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 18:33:35,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:33:35,079 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:33:35,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:33:35,079 INFO L85 PathProgramCache]: Analyzing trace with hash -101247447, now seen corresponding path program 5 times [2024-11-10 18:33:35,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:33:35,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079098236] [2024-11-10 18:33:35,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:33:35,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:33:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:33:37,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4774 backedges. 0 proven. 4774 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:37,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:33:37,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079098236] [2024-11-10 18:33:37,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079098236] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:33:37,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497200715] [2024-11-10 18:33:37,239 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 18:33:37,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:33:37,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:33:37,241 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) [2024-11-10 18:33:37,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 18:33:37,363 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2024-11-10 18:33:37,363 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:33:37,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-10 18:33:37,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:33:39,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4774 backedges. 0 proven. 4774 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:39,828 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:33:42,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4774 backedges. 0 proven. 4774 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:33:42,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497200715] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:33:42,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:33:42,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64, 64] total 190 [2024-11-10 18:33:42,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720086654] [2024-11-10 18:33:42,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:33:42,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2024-11-10 18:33:42,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:33:42,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2024-11-10 18:33:42,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8163, Invalid=28127, Unknown=0, NotChecked=0, Total=36290 [2024-11-10 18:33:42,965 INFO L87 Difference]: Start difference. First operand 317 states and 317 transitions. Second operand has 191 states, 190 states have (on average 4.978947368421053) internal successors, (946), 191 states have internal predecessors, (946), 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) [2024-11-10 18:33:52,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:33:52,957 INFO L93 Difference]: Finished difference Result 638 states and 669 transitions. [2024-11-10 18:33:52,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-11-10 18:33:52,958 INFO L78 Accepts]: Start accepts. Automaton has has 191 states, 190 states have (on average 4.978947368421053) internal successors, (946), 191 states have internal predecessors, (946), 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 316 [2024-11-10 18:33:52,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:33:52,960 INFO L225 Difference]: With dead ends: 638 [2024-11-10 18:33:52,960 INFO L226 Difference]: Without dead ends: 637 [2024-11-10 18:33:52,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 785 GetRequests, 505 SyntacticMatches, 0 SemanticMatches, 280 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30538 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=22172, Invalid=57070, Unknown=0, NotChecked=0, Total=79242 [2024-11-10 18:33:52,964 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 2922 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 481 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2922 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 481 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 18:33:52,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2922 Valid, 711 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [481 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 18:33:52,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-10 18:33:52,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2024-11-10 18:33:52,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 636 states have (on average 1.001572327044025) internal successors, (637), 636 states have internal predecessors, (637), 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) [2024-11-10 18:33:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 637 transitions. [2024-11-10 18:33:52,984 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 637 transitions. Word has length 316 [2024-11-10 18:33:52,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:33:52,984 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 637 transitions. [2024-11-10 18:33:52,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 190 states have (on average 4.978947368421053) internal successors, (946), 191 states have internal predecessors, (946), 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) [2024-11-10 18:33:52,985 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 637 transitions. [2024-11-10 18:33:52,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2024-11-10 18:33:52,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:33:52,993 INFO L215 NwaCegarLoop]: trace histogram [64, 64, 64, 63, 63, 63, 63, 63, 63, 63, 1, 1, 1] [2024-11-10 18:33:53,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 18:33:53,193 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,SelfDestructingSolverStorable11 [2024-11-10 18:33:53,194 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:33:53,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:33:53,194 INFO L85 PathProgramCache]: Analyzing trace with hash 927596745, now seen corresponding path program 6 times [2024-11-10 18:33:53,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:33:53,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731620619] [2024-11-10 18:33:53,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:33:53,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:33:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:34:01,250 INFO L134 CoverageAnalysis]: Checked inductivity of 19782 backedges. 0 proven. 19782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:34:01,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:34:01,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731620619] [2024-11-10 18:34:01,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731620619] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:34:01,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970270852] [2024-11-10 18:34:01,251 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-10 18:34:01,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:34:01,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:34:01,252 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) [2024-11-10 18:34:01,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 18:34:01,578 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 64 check-sat command(s) [2024-11-10 18:34:01,578 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:34:01,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 1037 conjuncts, 129 conjuncts are in the unsatisfiable core [2024-11-10 18:34:01,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:34:09,336 INFO L134 CoverageAnalysis]: Checked inductivity of 19782 backedges. 0 proven. 19782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:34:09,336 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:34:21,110 INFO L134 CoverageAnalysis]: Checked inductivity of 19782 backedges. 0 proven. 19782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:34:21,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970270852] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:34:21,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:34:21,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [128, 128, 128] total 382 [2024-11-10 18:34:21,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711002810] [2024-11-10 18:34:21,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:34:21,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 383 states [2024-11-10 18:34:21,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:34:21,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 383 interpolants. [2024-11-10 18:34:21,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31699, Invalid=114607, Unknown=0, NotChecked=0, Total=146306 [2024-11-10 18:34:21,124 INFO L87 Difference]: Start difference. First operand 637 states and 637 transitions. Second operand has 383 states, 382 states have (on average 4.989528795811518) internal successors, (1906), 383 states have internal predecessors, (1906), 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)