./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/b.06.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-restricted-15/b.06.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cec1cb80cc444268f4d15edbfcfbc42fd6cec25bcc627308222b3bf585ff5fd0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:43:31,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:43:31,922 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-10 18:43:31,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:43:31,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:43:31,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:43:31,951 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:43:31,951 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:43:31,952 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:43:31,953 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:43:31,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:43:31,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:43:31,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:43:31,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:43:31,955 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:43:31,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:43:31,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:43:31,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:43:31,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:43:31,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:43:31,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:43:31,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:43:31,959 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:43:31,959 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:43:31,959 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:43:31,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:43:31,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:43:31,959 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:43:31,959 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:43:31,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:43:31,960 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:43:31,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:43:31,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:43:31,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:43:31,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:43:31,961 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:43:31,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:43:31,961 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:43:31,961 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:43:31,962 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:43:31,962 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:43:31,962 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cec1cb80cc444268f4d15edbfcfbc42fd6cec25bcc627308222b3bf585ff5fd0 [2024-11-10 18:43:32,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:43:32,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:43:32,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:43:32,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:43:32,209 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:43:32,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/b.06.c [2024-11-10 18:43:33,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:43:33,584 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:43:33,584 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.06.c [2024-11-10 18:43:33,591 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d02d7e115/2e4de28ca3de403a9d439e5c4242da30/FLAGb9eecbeae [2024-11-10 18:43:33,998 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d02d7e115/2e4de28ca3de403a9d439e5c4242da30 [2024-11-10 18:43:34,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:43:34,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:43:34,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:43:34,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:43:34,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:43:34,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:43:33" (1/1) ... [2024-11-10 18:43:34,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@775d4dac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:43:34, skipping insertion in model container [2024-11-10 18:43:34,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:43:33" (1/1) ... [2024-11-10 18:43:34,025 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:43:34,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:43:34,159 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:43:34,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:43:34,185 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:43:34,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:43:34 WrapperNode [2024-11-10 18:43:34,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:43:34,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:43:34,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:43:34,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:43:34,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:43:34" (1/1) ... [2024-11-10 18:43:34,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:43:34" (1/1) ... [2024-11-10 18:43:34,215 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-11-10 18:43:34,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:43:34,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:43:34,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:43:34,217 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:43:34,224 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:43:34" (1/1) ... [2024-11-10 18:43:34,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:43:34" (1/1) ... [2024-11-10 18:43:34,225 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:43:34" (1/1) ... [2024-11-10 18:43:34,229 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-10 18:43:34,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:43:34" (1/1) ... [2024-11-10 18:43:34,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:43:34" (1/1) ... [2024-11-10 18:43:34,231 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:43:34" (1/1) ... [2024-11-10 18:43:34,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:43:34" (1/1) ... [2024-11-10 18:43:34,231 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:43:34" (1/1) ... [2024-11-10 18:43:34,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:43:34" (1/1) ... [2024-11-10 18:43:34,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:43:34,233 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:43:34,233 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:43:34,233 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:43:34,234 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:43:34" (1/1) ... [2024-11-10 18:43:34,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:43:34,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:43:34,259 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 18:43:34,260 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 18:43:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:43:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:43:34,345 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:43:34,346 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:43:34,406 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-10 18:43:34,407 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:43:34,415 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:43:34,415 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:43:34,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:43:34 BoogieIcfgContainer [2024-11-10 18:43:34,416 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:43:34,417 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:43:34,417 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:43:34,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:43:34,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:43:33" (1/3) ... [2024-11-10 18:43:34,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8f881d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:43:34, skipping insertion in model container [2024-11-10 18:43:34,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:43:34" (2/3) ... [2024-11-10 18:43:34,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8f881d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:43:34, skipping insertion in model container [2024-11-10 18:43:34,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:43:34" (3/3) ... [2024-11-10 18:43:34,422 INFO L112 eAbstractionObserver]: Analyzing ICFG b.06.c [2024-11-10 18:43:34,445 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:43:34,446 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-10 18:43:34,498 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:43:34,504 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;@1630ed36, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:43:34,504 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-10 18:43:34,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.5) internal successors, (24), 22 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 18:43:34,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-10 18:43:34,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:43:34,511 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-10 18:43:34,512 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:43:34,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:43:34,517 INFO L85 PathProgramCache]: Analyzing trace with hash 50545362, now seen corresponding path program 1 times [2024-11-10 18:43:34,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:43:34,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691755845] [2024-11-10 18:43:34,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:43:34,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:43:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:43:34,627 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 18:43:34,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:43:34,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691755845] [2024-11-10 18:43:34,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691755845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:43:34,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:43:34,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:43:34,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251797783] [2024-11-10 18:43:34,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:43:34,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:43:34,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:43:34,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:43:34,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:43:34,651 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.5) internal successors, (24), 22 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 18:43:34,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:43:34,675 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2024-11-10 18:43:34,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:43:34,677 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 18:43:34,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:43:34,682 INFO L225 Difference]: With dead ends: 27 [2024-11-10 18:43:34,682 INFO L226 Difference]: Without dead ends: 18 [2024-11-10 18:43:34,684 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 18:43:34,686 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:43:34,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 32 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:43:34,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-10 18:43:34,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-10 18:43:34,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 17 states have internal predecessors, (18), 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 18:43:34,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2024-11-10 18:43:34,708 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 5 [2024-11-10 18:43:34,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:43:34,708 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2024-11-10 18:43:34,708 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 18:43:34,708 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2024-11-10 18:43:34,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 18:43:34,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:43:34,709 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 18:43:34,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:43:34,709 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:43:34,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:43:34,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1566906206, now seen corresponding path program 1 times [2024-11-10 18:43:34,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:43:34,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460430932] [2024-11-10 18:43:34,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:43:34,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:43:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:43:34,734 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 18:43:34,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:43:34,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460430932] [2024-11-10 18:43:34,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460430932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:43:34,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:43:34,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:43:34,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350704637] [2024-11-10 18:43:34,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:43:34,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:43:34,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:43:34,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:43:34,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:43:34,737 INFO L87 Difference]: Start difference. First operand 18 states and 18 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 18:43:34,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:43:34,750 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2024-11-10 18:43:34,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:43:34,750 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 18:43:34,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:43:34,751 INFO L225 Difference]: With dead ends: 18 [2024-11-10 18:43:34,751 INFO L226 Difference]: Without dead ends: 17 [2024-11-10 18:43:34,751 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 18:43:34,752 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 11 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:43:34,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 14 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:43:34,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-10 18:43:34,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-10 18:43:34,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 16 states have internal predecessors, (17), 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 18:43:34,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2024-11-10 18:43:34,755 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 6 [2024-11-10 18:43:34,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:43:34,755 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2024-11-10 18:43:34,755 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 18:43:34,755 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2024-11-10 18:43:34,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 18:43:34,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:43:34,756 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:43:34,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:43:34,756 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:43:34,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:43:34,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1736657476, now seen corresponding path program 1 times [2024-11-10 18:43:34,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:43:34,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339951635] [2024-11-10 18:43:34,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:43:34,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:43:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:43:34,783 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 18:43:34,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:43:34,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339951635] [2024-11-10 18:43:34,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339951635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:43:34,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:43:34,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:43:34,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802127521] [2024-11-10 18:43:34,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:43:34,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:43:34,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:43:34,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:43:34,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:43:34,786 INFO L87 Difference]: Start difference. First operand 17 states and 17 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 18:43:34,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:43:34,794 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2024-11-10 18:43:34,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:43:34,795 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 18:43:34,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:43:34,795 INFO L225 Difference]: With dead ends: 17 [2024-11-10 18:43:34,795 INFO L226 Difference]: Without dead ends: 16 [2024-11-10 18:43:34,795 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 18:43:34,796 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:43:34,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 19 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:43:34,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-10 18:43:34,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-10 18:43:34,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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 18:43:34,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2024-11-10 18:43:34,799 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 8 [2024-11-10 18:43:34,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:43:34,799 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2024-11-10 18:43:34,799 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 18:43:34,799 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2024-11-10 18:43:34,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-10 18:43:34,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:43:34,800 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:43:34,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:43:34,803 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:43:34,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:43:34,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1998193071, now seen corresponding path program 1 times [2024-11-10 18:43:34,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:43:34,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798327921] [2024-11-10 18:43:34,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:43:34,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:43:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:43:34,839 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 18:43:34,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:43:34,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798327921] [2024-11-10 18:43:34,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798327921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:43:34,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:43:34,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:43:34,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49118615] [2024-11-10 18:43:34,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:43:34,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:43:34,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:43:34,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:43:34,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:43:34,842 INFO L87 Difference]: Start difference. First operand 16 states and 16 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 18:43:34,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:43:34,860 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2024-11-10 18:43:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:43:34,860 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 18:43:34,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:43:34,861 INFO L225 Difference]: With dead ends: 16 [2024-11-10 18:43:34,861 INFO L226 Difference]: Without dead ends: 15 [2024-11-10 18:43:34,861 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 18:43:34,862 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:43:34,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 12 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:43:34,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-10 18:43:34,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-10 18:43:34,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 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 18:43:34,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-10 18:43:34,868 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 9 [2024-11-10 18:43:34,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:43:34,868 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-10 18:43:34,868 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 18:43:34,868 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-10 18:43:34,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-10 18:43:34,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:43:34,869 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:43:34,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:43:34,870 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:43:34,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:43:34,870 INFO L85 PathProgramCache]: Analyzing trace with hash 413159213, now seen corresponding path program 1 times [2024-11-10 18:43:34,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:43:34,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755784233] [2024-11-10 18:43:34,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:43:34,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:43:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:43:34,903 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 18:43:34,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:43:34,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755784233] [2024-11-10 18:43:34,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755784233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:43:34,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:43:34,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:43:34,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039938518] [2024-11-10 18:43:34,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:43:34,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:43:34,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:43:34,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:43:34,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:43:34,907 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 18:43:34,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:43:34,917 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-10 18:43:34,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:43:34,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2024-11-10 18:43:34,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:43:34,918 INFO L225 Difference]: With dead ends: 15 [2024-11-10 18:43:34,918 INFO L226 Difference]: Without dead ends: 14 [2024-11-10 18:43:34,918 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 18:43:34,919 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 2 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:43:34,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:43:34,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-10 18:43:34,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-10 18:43:34,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 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 18:43:34,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-11-10 18:43:34,925 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2024-11-10 18:43:34,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:43:34,926 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-11-10 18:43:34,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 18:43:34,926 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-11-10 18:43:34,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-10 18:43:34,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:43:34,928 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:43:34,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:43:34,928 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:43:34,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:43:34,929 INFO L85 PathProgramCache]: Analyzing trace with hash -76966311, now seen corresponding path program 1 times [2024-11-10 18:43:34,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:43:34,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636097690] [2024-11-10 18:43:34,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:43:34,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:43:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:43:34,971 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 18:43:34,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:43:34,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636097690] [2024-11-10 18:43:34,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636097690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:43:34,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:43:34,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:43:34,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200026185] [2024-11-10 18:43:34,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:43:34,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:43:34,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:43:34,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:43:34,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:43:34,973 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 18:43:34,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:43:34,989 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2024-11-10 18:43:34,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:43:34,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2024-11-10 18:43:34,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:43:34,991 INFO L225 Difference]: With dead ends: 26 [2024-11-10 18:43:34,991 INFO L226 Difference]: Without dead ends: 25 [2024-11-10 18:43:34,991 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 18:43:34,992 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:43:34,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 20 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:43:34,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-10 18:43:34,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2024-11-10 18:43:34,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 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 18:43:34,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2024-11-10 18:43:34,999 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 12 [2024-11-10 18:43:34,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:43:34,999 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2024-11-10 18:43:34,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 18:43:35,000 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2024-11-10 18:43:35,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-10 18:43:35,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:43:35,000 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 18:43:35,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:43:35,000 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:43:35,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:43:35,001 INFO L85 PathProgramCache]: Analyzing trace with hash 65335972, now seen corresponding path program 1 times [2024-11-10 18:43:35,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:43:35,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475101139] [2024-11-10 18:43:35,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:43:35,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:43:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:43:35,068 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:43:35,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:43:35,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475101139] [2024-11-10 18:43:35,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475101139] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:43:35,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050869058] [2024-11-10 18:43:35,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:43:35,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:43:35,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:43:35,071 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 18:43:35,073 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 18:43:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:43:35,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:43:35,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:43:35,185 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:43:35,185 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:43:35,233 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:43:35,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050869058] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:43:35,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:43:35,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-10 18:43:35,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078903773] [2024-11-10 18:43:35,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:43:35,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:43:35,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:43:35,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:43:35,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:43:35,235 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 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 18:43:35,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:43:35,264 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2024-11-10 18:43:35,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:43:35,265 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 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 23 [2024-11-10 18:43:35,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:43:35,265 INFO L225 Difference]: With dead ends: 58 [2024-11-10 18:43:35,266 INFO L226 Difference]: Without dead ends: 57 [2024-11-10 18:43:35,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 43 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 18:43:35,267 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 2 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:43:35,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 46 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:43:35,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-10 18:43:35,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-10 18:43:35,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.0178571428571428) internal successors, (57), 56 states have internal predecessors, (57), 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 18:43:35,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2024-11-10 18:43:35,276 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 23 [2024-11-10 18:43:35,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:43:35,277 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2024-11-10 18:43:35,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 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 18:43:35,277 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2024-11-10 18:43:35,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-10 18:43:35,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:43:35,278 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1] [2024-11-10 18:43:35,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 18:43:35,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:43:35,483 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:43:35,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:43:35,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1216898201, now seen corresponding path program 2 times [2024-11-10 18:43:35,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:43:35,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186906362] [2024-11-10 18:43:35,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:43:35,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:43:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:43:35,624 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:43:35,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:43:35,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186906362] [2024-11-10 18:43:35,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186906362] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:43:35,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779153119] [2024-11-10 18:43:35,624 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:43:35,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:43:35,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:43:35,626 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 18:43:35,627 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 18:43:35,671 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:43:35,671 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:43:35,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:43:35,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:43:35,776 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:43:35,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:43:35,900 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:43:35,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779153119] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:43:35,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:43:35,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-10 18:43:35,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997465341] [2024-11-10 18:43:35,901 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:43:35,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:43:35,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:43:35,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:43:35,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:43:35,904 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 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 18:43:35,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:43:35,955 INFO L93 Difference]: Finished difference Result 124 states and 129 transitions. [2024-11-10 18:43:35,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 18:43:35,955 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 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 56 [2024-11-10 18:43:35,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:43:35,956 INFO L225 Difference]: With dead ends: 124 [2024-11-10 18:43:35,956 INFO L226 Difference]: Without dead ends: 123 [2024-11-10 18:43:35,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:43:35,957 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 2 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:43:35,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 94 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:43:35,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-10 18:43:35,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-10 18:43:35,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 122 states have (on average 1.0081967213114753) internal successors, (123), 122 states have internal predecessors, (123), 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 18:43:35,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2024-11-10 18:43:35,965 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 56 [2024-11-10 18:43:35,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:43:35,965 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2024-11-10 18:43:35,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 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 18:43:35,965 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2024-11-10 18:43:35,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-10 18:43:35,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:43:35,967 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1] [2024-11-10 18:43:35,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 18:43:36,167 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,SelfDestructingSolverStorable7 [2024-11-10 18:43:36,168 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:43:36,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:43:36,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1326684679, now seen corresponding path program 3 times [2024-11-10 18:43:36,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:43:36,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015809258] [2024-11-10 18:43:36,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:43:36,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:43:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:43:36,425 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:43:36,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:43:36,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015809258] [2024-11-10 18:43:36,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015809258] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:43:36,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181206910] [2024-11-10 18:43:36,425 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:43:36,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:43:36,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:43:36,428 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 18:43:36,429 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 18:43:36,480 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-10 18:43:36,480 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:43:36,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 18:43:36,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:43:36,636 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:43:36,636 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:43:36,962 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:43:36,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181206910] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:43:36,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:43:36,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-10 18:43:36,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716279811] [2024-11-10 18:43:36,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:43:36,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 18:43:36,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:43:36,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 18:43:36,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-10 18:43:36,968 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand has 24 states, 23 states have (on average 10.565217391304348) internal successors, (243), 24 states have internal predecessors, (243), 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 18:43:37,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:43:37,049 INFO L93 Difference]: Finished difference Result 256 states and 267 transitions. [2024-11-10 18:43:37,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 18:43:37,050 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 10.565217391304348) internal successors, (243), 24 states have internal predecessors, (243), 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 122 [2024-11-10 18:43:37,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:43:37,051 INFO L225 Difference]: With dead ends: 256 [2024-11-10 18:43:37,051 INFO L226 Difference]: Without dead ends: 255 [2024-11-10 18:43:37,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-10 18:43:37,052 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 2 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:43:37,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 191 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:43:37,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-10 18:43:37,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2024-11-10 18:43:37,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 254 states have (on average 1.0039370078740157) internal successors, (255), 254 states have internal predecessors, (255), 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 18:43:37,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 255 transitions. [2024-11-10 18:43:37,073 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 255 transitions. Word has length 122 [2024-11-10 18:43:37,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:43:37,074 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 255 transitions. [2024-11-10 18:43:37,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 10.565217391304348) internal successors, (243), 24 states have internal predecessors, (243), 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 18:43:37,076 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 255 transitions. [2024-11-10 18:43:37,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-10 18:43:37,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:43:37,083 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 1, 1, 1] [2024-11-10 18:43:37,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 18:43:37,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:43:37,287 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:43:37,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:43:37,287 INFO L85 PathProgramCache]: Analyzing trace with hash -710352711, now seen corresponding path program 4 times [2024-11-10 18:43:37,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:43:37,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161206768] [2024-11-10 18:43:37,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:43:37,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:43:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:43:37,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2761 backedges. 0 proven. 2761 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:43:37,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:43:37,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161206768] [2024-11-10 18:43:37,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161206768] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:43:37,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291542152] [2024-11-10 18:43:37,922 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 18:43:37,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:43:37,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:43:37,923 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 18:43:37,924 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 18:43:37,984 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 18:43:37,985 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:43:37,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 18:43:37,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:43:38,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2761 backedges. 0 proven. 2761 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:43:38,220 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:43:39,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2761 backedges. 0 proven. 2761 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:43:39,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291542152] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:43:39,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:43:39,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-10 18:43:39,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979415238] [2024-11-10 18:43:39,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:43:39,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-10 18:43:39,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:43:39,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-10 18:43:39,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-10 18:43:39,042 INFO L87 Difference]: Start difference. First operand 255 states and 255 transitions. Second operand has 48 states, 47 states have (on average 10.787234042553191) internal successors, (507), 48 states have internal predecessors, (507), 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 18:43:39,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:43:39,214 INFO L93 Difference]: Finished difference Result 520 states and 543 transitions. [2024-11-10 18:43:39,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-10 18:43:39,215 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 10.787234042553191) internal successors, (507), 48 states have internal predecessors, (507), 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 254 [2024-11-10 18:43:39,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:43:39,217 INFO L225 Difference]: With dead ends: 520 [2024-11-10 18:43:39,217 INFO L226 Difference]: Without dead ends: 519 [2024-11-10 18:43:39,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 484 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-10 18:43:39,218 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 2 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:43:39,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 385 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:43:39,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-11-10 18:43:39,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 519. [2024-11-10 18:43:39,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 518 states have (on average 1.001930501930502) internal successors, (519), 518 states have internal predecessors, (519), 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 18:43:39,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 519 transitions. [2024-11-10 18:43:39,237 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 519 transitions. Word has length 254 [2024-11-10 18:43:39,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:43:39,238 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 519 transitions. [2024-11-10 18:43:39,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 10.787234042553191) internal successors, (507), 48 states have internal predecessors, (507), 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 18:43:39,239 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 519 transitions. [2024-11-10 18:43:39,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2024-11-10 18:43:39,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:43:39,249 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 47, 47, 47, 46, 46, 1, 1, 1] [2024-11-10 18:43:39,261 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 18:43:39,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:43:39,453 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:43:39,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:43:39,453 INFO L85 PathProgramCache]: Analyzing trace with hash -841238983, now seen corresponding path program 5 times [2024-11-10 18:43:39,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:43:39,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763383365] [2024-11-10 18:43:39,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:43:39,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:43:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:43:41,355 INFO L134 CoverageAnalysis]: Checked inductivity of 11845 backedges. 0 proven. 11845 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:43:41,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:43:41,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763383365] [2024-11-10 18:43:41,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763383365] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:43:41,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096721649] [2024-11-10 18:43:41,356 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 18:43:41,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:43:41,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:43:41,357 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 18:43:41,359 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 18:43:41,483 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-10 18:43:41,483 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:43:41,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-10 18:43:41,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:43:42,004 INFO L134 CoverageAnalysis]: Checked inductivity of 11845 backedges. 0 proven. 11845 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:43:42,004 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:43:44,338 INFO L134 CoverageAnalysis]: Checked inductivity of 11845 backedges. 0 proven. 11845 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:43:44,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096721649] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:43:44,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:43:44,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-10 18:43:44,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178211625] [2024-11-10 18:43:44,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:43:44,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-10 18:43:44,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:43:44,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-10 18:43:44,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-10 18:43:44,346 INFO L87 Difference]: Start difference. First operand 519 states and 519 transitions. Second operand has 96 states, 95 states have (on average 10.894736842105264) internal successors, (1035), 96 states have internal predecessors, (1035), 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 18:43:44,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:43:44,763 INFO L93 Difference]: Finished difference Result 1048 states and 1095 transitions. [2024-11-10 18:43:44,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-10 18:43:44,764 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 10.894736842105264) internal successors, (1035), 96 states have internal predecessors, (1035), 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 518 [2024-11-10 18:43:44,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:43:44,767 INFO L225 Difference]: With dead ends: 1048 [2024-11-10 18:43:44,767 INFO L226 Difference]: Without dead ends: 1047 [2024-11-10 18:43:44,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1082 GetRequests, 988 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-10 18:43:44,769 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 2 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:43:44,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 771 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:43:44,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2024-11-10 18:43:44,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1047. [2024-11-10 18:43:44,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 1046 states have (on average 1.0009560229445507) internal successors, (1047), 1046 states have internal predecessors, (1047), 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 18:43:44,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1047 transitions. [2024-11-10 18:43:44,793 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1047 transitions. Word has length 518 [2024-11-10 18:43:44,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:43:44,794 INFO L471 AbstractCegarLoop]: Abstraction has 1047 states and 1047 transitions. [2024-11-10 18:43:44,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 10.894736842105264) internal successors, (1035), 96 states have internal predecessors, (1035), 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 18:43:44,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1047 transitions. [2024-11-10 18:43:44,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1047 [2024-11-10 18:43:44,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:43:44,810 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 95, 95, 95, 95, 95, 94, 94, 1, 1, 1] [2024-11-10 18:43:44,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 18:43:45,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-10 18:43:45,011 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:43:45,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:43:45,012 INFO L85 PathProgramCache]: Analyzing trace with hash 610853177, now seen corresponding path program 6 times [2024-11-10 18:43:45,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:43:45,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305194194] [2024-11-10 18:43:45,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:43:45,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:43:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:43:51,276 INFO L134 CoverageAnalysis]: Checked inductivity of 49021 backedges. 0 proven. 49021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:43:51,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:43:51,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305194194] [2024-11-10 18:43:51,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305194194] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:43:51,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179120926] [2024-11-10 18:43:51,277 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-10 18:43:51,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:43:51,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:43:51,278 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 18:43:51,279 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 18:43:51,523 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-10 18:43:51,523 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:43:51,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 1432 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-10 18:43:51,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:43:52,362 INFO L134 CoverageAnalysis]: Checked inductivity of 49021 backedges. 0 proven. 49021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:43:52,363 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:43:59,718 INFO L134 CoverageAnalysis]: Checked inductivity of 49021 backedges. 0 proven. 49021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:43:59,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179120926] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:43:59,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:43:59,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2024-11-10 18:43:59,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63148424] [2024-11-10 18:43:59,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:43:59,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-11-10 18:43:59,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:43:59,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-11-10 18:43:59,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-10 18:43:59,732 INFO L87 Difference]: Start difference. First operand 1047 states and 1047 transitions. Second operand has 192 states, 191 states have (on average 10.947643979057592) internal successors, (2091), 192 states have internal predecessors, (2091), 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 18:44:01,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:44:01,579 INFO L93 Difference]: Finished difference Result 2104 states and 2199 transitions. [2024-11-10 18:44:01,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-11-10 18:44:01,580 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 10.947643979057592) internal successors, (2091), 192 states have internal predecessors, (2091), 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 1046 [2024-11-10 18:44:01,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:44:01,585 INFO L225 Difference]: With dead ends: 2104 [2024-11-10 18:44:01,586 INFO L226 Difference]: Without dead ends: 2103 [2024-11-10 18:44:01,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2186 GetRequests, 1996 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-10 18:44:01,588 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 2 mSDsluCounter, 1527 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1538 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:44:01,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1538 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 18:44:01,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2103 states. [2024-11-10 18:44:01,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2103 to 2103. [2024-11-10 18:44:01,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2103 states, 2102 states have (on average 1.0004757373929591) internal successors, (2103), 2102 states have internal predecessors, (2103), 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 18:44:01,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 2103 states and 2103 transitions. [2024-11-10 18:44:01,611 INFO L78 Accepts]: Start accepts. Automaton has 2103 states and 2103 transitions. Word has length 1046 [2024-11-10 18:44:01,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:44:01,612 INFO L471 AbstractCegarLoop]: Abstraction has 2103 states and 2103 transitions. [2024-11-10 18:44:01,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 10.947643979057592) internal successors, (2091), 192 states have internal predecessors, (2091), 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 18:44:01,613 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 2103 transitions. [2024-11-10 18:44:01,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2103 [2024-11-10 18:44:01,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:44:01,646 INFO L215 NwaCegarLoop]: trace histogram [191, 191, 191, 191, 191, 191, 191, 191, 191, 190, 190, 1, 1, 1] [2024-11-10 18:44:01,659 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 18:44:01,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:44:01,847 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:44:01,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:44:01,848 INFO L85 PathProgramCache]: Analyzing trace with hash 69285689, now seen corresponding path program 7 times [2024-11-10 18:44:01,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:44:01,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744391384] [2024-11-10 18:44:01,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:44:01,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:44:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:44:33,149 INFO L134 CoverageAnalysis]: Checked inductivity of 199405 backedges. 0 proven. 199405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:44:33,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:44:33,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744391384] [2024-11-10 18:44:33,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744391384] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:44:33,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147683265] [2024-11-10 18:44:33,150 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-10 18:44:33,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:44:33,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:44:33,151 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 18:44:33,151 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 18:44:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:44:33,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 2872 conjuncts, 192 conjuncts are in the unsatisfiable core [2024-11-10 18:44:33,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:44:34,963 INFO L134 CoverageAnalysis]: Checked inductivity of 199405 backedges. 0 proven. 199405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:44:34,964 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:45:03,562 INFO L134 CoverageAnalysis]: Checked inductivity of 199405 backedges. 0 proven. 199405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:45:03,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147683265] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:45:03,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:45:03,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 192, 192] total 383 [2024-11-10 18:45:03,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596314195] [2024-11-10 18:45:03,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:45:03,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2024-11-10 18:45:03,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:45:03,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2024-11-10 18:45:03,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73536, Invalid=73536, Unknown=0, NotChecked=0, Total=147072 [2024-11-10 18:45:03,591 INFO L87 Difference]: Start difference. First operand 2103 states and 2103 transitions. Second operand has 384 states, 383 states have (on average 10.973890339425587) internal successors, (4203), 384 states have internal predecessors, (4203), 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)