./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/ps6-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/ps6-ll.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 17:08:27,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 17:08:28,041 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 17:08:28,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 17:08:28,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 17:08:28,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 17:08:28,079 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 17:08:28,080 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 17:08:28,080 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 17:08:28,081 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 17:08:28,081 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 17:08:28,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 17:08:28,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 17:08:28,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 17:08:28,084 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 17:08:28,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 17:08:28,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 17:08:28,085 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 17:08:28,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 17:08:28,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 17:08:28,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 17:08:28,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 17:08:28,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 17:08:28,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 17:08:28,091 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 17:08:28,091 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 17:08:28,092 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 17:08:28,092 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 17:08:28,092 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 17:08:28,092 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 17:08:28,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 17:08:28,093 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 17:08:28,093 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 17:08:28,093 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 17:08:28,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:08:28,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 17:08:28,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 17:08:28,095 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 17:08:28,096 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 17:08:28,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 17:08:28,096 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 17:08:28,097 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 17:08:28,097 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 17:08:28,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 17:08:28,098 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 [2024-11-12 17:08:28,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 17:08:28,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 17:08:28,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 17:08:28,401 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 17:08:28,401 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 17:08:28,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps6-ll.c [2024-11-12 17:08:29,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 17:08:29,956 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 17:08:29,956 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps6-ll.c [2024-11-12 17:08:29,962 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b253d348/4db9724b4aa745dfa45b946680c79ae0/FLAG0258f8d0b [2024-11-12 17:08:29,974 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b253d348/4db9724b4aa745dfa45b946680c79ae0 [2024-11-12 17:08:29,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 17:08:29,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 17:08:29,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 17:08:29,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 17:08:29,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 17:08:29,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:08:29" (1/1) ... [2024-11-12 17:08:29,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f9ed29f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:29, skipping insertion in model container [2024-11-12 17:08:29,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:08:29" (1/1) ... [2024-11-12 17:08:30,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 17:08:30,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:08:30,222 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 17:08:30,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:08:30,269 INFO L204 MainTranslator]: Completed translation [2024-11-12 17:08:30,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:30 WrapperNode [2024-11-12 17:08:30,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 17:08:30,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 17:08:30,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 17:08:30,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 17:08:30,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:30" (1/1) ... [2024-11-12 17:08:30,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:30" (1/1) ... [2024-11-12 17:08:30,317 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 146 [2024-11-12 17:08:30,321 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 17:08:30,322 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 17:08:30,322 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 17:08:30,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 17:08:30,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:30" (1/1) ... [2024-11-12 17:08:30,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:30" (1/1) ... [2024-11-12 17:08:30,336 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:30" (1/1) ... [2024-11-12 17:08:30,355 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 17:08:30,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:30" (1/1) ... [2024-11-12 17:08:30,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:30" (1/1) ... [2024-11-12 17:08:30,362 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:30" (1/1) ... [2024-11-12 17:08:30,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:30" (1/1) ... [2024-11-12 17:08:30,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:30" (1/1) ... [2024-11-12 17:08:30,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:30" (1/1) ... [2024-11-12 17:08:30,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 17:08:30,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 17:08:30,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 17:08:30,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 17:08:30,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:30" (1/1) ... [2024-11-12 17:08:30,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:08:30,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:08:30,417 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) [2024-11-12 17:08:30,424 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 [2024-11-12 17:08:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 17:08:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 17:08:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 17:08:30,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 17:08:30,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 17:08:30,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 17:08:30,532 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 17:08:30,534 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 17:08:31,183 INFO L? ?]: Removed 92 outVars from TransFormulas that were not future-live. [2024-11-12 17:08:31,183 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 17:08:31,214 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 17:08:31,214 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 17:08:31,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:08:31 BoogieIcfgContainer [2024-11-12 17:08:31,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 17:08:31,216 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 17:08:31,216 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 17:08:31,221 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 17:08:31,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:08:29" (1/3) ... [2024-11-12 17:08:31,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e643ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:08:31, skipping insertion in model container [2024-11-12 17:08:31,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:30" (2/3) ... [2024-11-12 17:08:31,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e643ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:08:31, skipping insertion in model container [2024-11-12 17:08:31,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:08:31" (3/3) ... [2024-11-12 17:08:31,225 INFO L112 eAbstractionObserver]: Analyzing ICFG ps6-ll.c [2024-11-12 17:08:31,241 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 17:08:31,242 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 102 error locations. [2024-11-12 17:08:31,314 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 17:08:31,322 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;@37da23b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 17:08:31,322 INFO L334 AbstractCegarLoop]: Starting to check reachability of 102 error locations. [2024-11-12 17:08:31,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 223 states, 116 states have (on average 1.9224137931034482) internal successors, (223), 218 states have internal predecessors, (223), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:08:31,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 17:08:31,334 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:08:31,334 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 17:08:31,335 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-12 17:08:31,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:08:31,342 INFO L85 PathProgramCache]: Analyzing trace with hash 889508963, now seen corresponding path program 1 times [2024-11-12 17:08:31,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:08:31,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267032388] [2024-11-12 17:08:31,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:31,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:08:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:31,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:08:31,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:08:31,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267032388] [2024-11-12 17:08:31,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267032388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:08:31,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:08:31,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:08:31,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218921650] [2024-11-12 17:08:31,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:08:31,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 17:08:31,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:08:31,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 17:08:31,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:08:31,491 INFO L87 Difference]: Start difference. First operand has 223 states, 116 states have (on average 1.9224137931034482) internal successors, (223), 218 states have internal predecessors, (223), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:08:31,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:08:31,526 INFO L93 Difference]: Finished difference Result 417 states and 456 transitions. [2024-11-12 17:08:31,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 17:08:31,530 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-12 17:08:31,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:08:31,539 INFO L225 Difference]: With dead ends: 417 [2024-11-12 17:08:31,540 INFO L226 Difference]: Without dead ends: 191 [2024-11-12 17:08:31,544 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:08:31,547 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:08:31,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:08:31,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-12 17:08:31,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2024-11-12 17:08:31,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 111 states have (on average 1.6936936936936937) internal successors, (188), 187 states have internal predecessors, (188), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:08:31,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 192 transitions. [2024-11-12 17:08:31,589 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 192 transitions. Word has length 6 [2024-11-12 17:08:31,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:08:31,589 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 192 transitions. [2024-11-12 17:08:31,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:08:31,590 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 192 transitions. [2024-11-12 17:08:31,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 17:08:31,590 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:08:31,590 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 17:08:31,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 17:08:31,591 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-12 17:08:31,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:08:31,591 INFO L85 PathProgramCache]: Analyzing trace with hash 889568486, now seen corresponding path program 1 times [2024-11-12 17:08:31,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:08:31,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257931265] [2024-11-12 17:08:31,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:31,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:08:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:31,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:08:31,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:08:31,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257931265] [2024-11-12 17:08:31,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257931265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:08:31,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:08:31,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:08:31,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222821743] [2024-11-12 17:08:31,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:08:31,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:08:31,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:08:31,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:08:31,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:08:31,660 INFO L87 Difference]: Start difference. First operand 191 states and 192 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) [2024-11-12 17:08:32,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:08:32,109 INFO L93 Difference]: Finished difference Result 352 states and 359 transitions. [2024-11-12 17:08:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:08:32,111 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 [2024-11-12 17:08:32,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:08:32,114 INFO L225 Difference]: With dead ends: 352 [2024-11-12 17:08:32,116 INFO L226 Difference]: Without dead ends: 288 [2024-11-12 17:08:32,116 INFO L434 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 [2024-11-12 17:08:32,118 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 98 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:08:32,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 127 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:08:32,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-12 17:08:32,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 282. [2024-11-12 17:08:32,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 201 states have (on average 1.4328358208955223) internal successors, (288), 277 states have internal predecessors, (288), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:08:32,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 294 transitions. [2024-11-12 17:08:32,141 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 294 transitions. Word has length 6 [2024-11-12 17:08:32,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:08:32,141 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 294 transitions. [2024-11-12 17:08:32,141 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) [2024-11-12 17:08:32,141 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 294 transitions. [2024-11-12 17:08:32,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-12 17:08:32,143 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:08:32,143 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:08:32,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 17:08:32,144 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-12 17:08:32,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:08:32,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1103440884, now seen corresponding path program 1 times [2024-11-12 17:08:32,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:08:32,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566700215] [2024-11-12 17:08:32,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:32,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:08:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:32,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:08:32,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:08:32,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566700215] [2024-11-12 17:08:32,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566700215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:08:32,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:08:32,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:08:32,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859599002] [2024-11-12 17:08:32,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:08:32,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:08:32,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:08:32,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:08:32,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:08:32,364 INFO L87 Difference]: Start difference. First operand 282 states and 294 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-11-12 17:08:32,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:08:32,467 INFO L93 Difference]: Finished difference Result 306 states and 312 transitions. [2024-11-12 17:08:32,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:08:32,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2024-11-12 17:08:32,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:08:32,469 INFO L225 Difference]: With dead ends: 306 [2024-11-12 17:08:32,469 INFO L226 Difference]: Without dead ends: 299 [2024-11-12 17:08:32,469 INFO L434 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 [2024-11-12 17:08:32,471 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 68 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:08:32,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 349 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:08:32,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-12 17:08:32,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 281. [2024-11-12 17:08:32,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 200 states have (on average 1.405) internal successors, (281), 276 states have internal predecessors, (281), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:08:32,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 287 transitions. [2024-11-12 17:08:32,484 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 287 transitions. Word has length 44 [2024-11-12 17:08:32,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:08:32,484 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 287 transitions. [2024-11-12 17:08:32,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-11-12 17:08:32,485 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 287 transitions. [2024-11-12 17:08:32,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-12 17:08:32,485 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:08:32,486 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:08:32,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 17:08:32,486 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-12 17:08:32,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:08:32,487 INFO L85 PathProgramCache]: Analyzing trace with hash 450236686, now seen corresponding path program 1 times [2024-11-12 17:08:32,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:08:32,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371588092] [2024-11-12 17:08:32,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:32,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:08:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:08:32,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:08:32,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371588092] [2024-11-12 17:08:32,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371588092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:08:32,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:08:32,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:08:32,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041365309] [2024-11-12 17:08:32,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:08:32,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:08:32,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:08:32,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:08:32,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:08:32,685 INFO L87 Difference]: Start difference. First operand 281 states and 287 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:08:32,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:08:32,872 INFO L93 Difference]: Finished difference Result 301 states and 305 transitions. [2024-11-12 17:08:32,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:08:32,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2024-11-12 17:08:32,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:08:32,874 INFO L225 Difference]: With dead ends: 301 [2024-11-12 17:08:32,874 INFO L226 Difference]: Without dead ends: 258 [2024-11-12 17:08:32,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:08:32,876 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 151 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:08:32,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 274 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:08:32,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-12 17:08:32,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 240. [2024-11-12 17:08:32,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 159 states have (on average 1.4968553459119496) internal successors, (238), 235 states have internal predecessors, (238), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:08:32,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 244 transitions. [2024-11-12 17:08:32,888 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 244 transitions. Word has length 46 [2024-11-12 17:08:32,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:08:32,888 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 244 transitions. [2024-11-12 17:08:32,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:08:32,889 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 244 transitions. [2024-11-12 17:08:32,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-12 17:08:32,890 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:08:32,890 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:08:32,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 17:08:32,891 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-12 17:08:32,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:08:32,891 INFO L85 PathProgramCache]: Analyzing trace with hash -789295665, now seen corresponding path program 1 times [2024-11-12 17:08:32,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:08:32,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500324138] [2024-11-12 17:08:32,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:32,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:08:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:32,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:08:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:32,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:08:32,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:08:32,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500324138] [2024-11-12 17:08:32,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500324138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:08:32,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:08:32,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:08:32,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144231146] [2024-11-12 17:08:32,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:08:32,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:08:32,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:08:32,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:08:32,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:08:32,986 INFO L87 Difference]: Start difference. First operand 240 states and 244 transitions. Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:08:33,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:08:33,011 INFO L93 Difference]: Finished difference Result 242 states and 244 transitions. [2024-11-12 17:08:33,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:08:33,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2024-11-12 17:08:33,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:08:33,013 INFO L225 Difference]: With dead ends: 242 [2024-11-12 17:08:33,013 INFO L226 Difference]: Without dead ends: 240 [2024-11-12 17:08:33,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:08:33,015 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 1 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:08:33,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 373 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:08:33,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-12 17:08:33,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2024-11-12 17:08:33,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 159 states have (on average 1.4842767295597483) internal successors, (236), 235 states have internal predecessors, (236), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:08:33,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 242 transitions. [2024-11-12 17:08:33,026 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 242 transitions. Word has length 54 [2024-11-12 17:08:33,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:08:33,028 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 242 transitions. [2024-11-12 17:08:33,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:08:33,028 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 242 transitions. [2024-11-12 17:08:33,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-12 17:08:33,029 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:08:33,030 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:08:33,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 17:08:33,030 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-12 17:08:33,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:08:33,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1979953443, now seen corresponding path program 1 times [2024-11-12 17:08:33,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:08:33,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830617739] [2024-11-12 17:08:33,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:33,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:08:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:08:33,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [153417957] [2024-11-12 17:08:33,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:33,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:08:33,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:08:33,071 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) [2024-11-12 17:08:33,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 17:08:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:33,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:08:33,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:08:33,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:08:33,274 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:08:33,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:08:33,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830617739] [2024-11-12 17:08:33,275 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:08:33,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153417957] [2024-11-12 17:08:33,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153417957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:08:33,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:08:33,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:08:33,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129435796] [2024-11-12 17:08:33,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:08:33,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:08:33,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:08:33,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:08:33,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:08:33,281 INFO L87 Difference]: Start difference. First operand 240 states and 242 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:08:33,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:08:33,784 INFO L93 Difference]: Finished difference Result 415 states and 427 transitions. [2024-11-12 17:08:33,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:08:33,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 59 [2024-11-12 17:08:33,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:08:33,787 INFO L225 Difference]: With dead ends: 415 [2024-11-12 17:08:33,787 INFO L226 Difference]: Without dead ends: 350 [2024-11-12 17:08:33,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:08:33,788 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 108 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:08:33,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 144 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:08:33,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-12 17:08:33,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 344. [2024-11-12 17:08:33,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 261 states have (on average 1.3486590038314177) internal successors, (352), 337 states have internal predecessors, (352), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-12 17:08:33,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 362 transitions. [2024-11-12 17:08:33,801 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 362 transitions. Word has length 59 [2024-11-12 17:08:33,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:08:33,802 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 362 transitions. [2024-11-12 17:08:33,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:08:33,802 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 362 transitions. [2024-11-12 17:08:33,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-12 17:08:33,804 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:08:33,804 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:08:33,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 17:08:34,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-12 17:08:34,005 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-12 17:08:34,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:08:34,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1396022821, now seen corresponding path program 1 times [2024-11-12 17:08:34,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:08:34,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536832234] [2024-11-12 17:08:34,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:34,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:08:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:34,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:08:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:34,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:08:34,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:08:34,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536832234] [2024-11-12 17:08:34,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536832234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:08:34,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:08:34,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:08:34,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499471803] [2024-11-12 17:08:34,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:08:34,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:08:34,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:08:34,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:08:34,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:08:34,106 INFO L87 Difference]: Start difference. First operand 344 states and 362 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:08:34,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:08:34,430 INFO L93 Difference]: Finished difference Result 345 states and 362 transitions. [2024-11-12 17:08:34,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:08:34,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2024-11-12 17:08:34,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:08:34,432 INFO L225 Difference]: With dead ends: 345 [2024-11-12 17:08:34,432 INFO L226 Difference]: Without dead ends: 344 [2024-11-12 17:08:34,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:08:34,433 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 54 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:08:34,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 323 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:08:34,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-12 17:08:34,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2024-11-12 17:08:34,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 261 states have (on average 1.3448275862068966) internal successors, (351), 337 states have internal predecessors, (351), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-12 17:08:34,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 361 transitions. [2024-11-12 17:08:34,443 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 361 transitions. Word has length 66 [2024-11-12 17:08:34,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:08:34,444 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 361 transitions. [2024-11-12 17:08:34,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:08:34,444 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 361 transitions. [2024-11-12 17:08:34,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-12 17:08:34,445 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:08:34,446 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:08:34,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 17:08:34,446 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-12 17:08:34,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:08:34,447 INFO L85 PathProgramCache]: Analyzing trace with hash -327034325, now seen corresponding path program 1 times [2024-11-12 17:08:34,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:08:34,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473484394] [2024-11-12 17:08:34,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:34,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:08:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:34,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:08:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:34,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:08:34,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:08:34,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473484394] [2024-11-12 17:08:34,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473484394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:08:34,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:08:34,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:08:34,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803731714] [2024-11-12 17:08:34,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:08:34,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:08:34,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:08:34,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:08:34,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:08:34,571 INFO L87 Difference]: Start difference. First operand 344 states and 361 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:08:34,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:08:34,861 INFO L93 Difference]: Finished difference Result 345 states and 361 transitions. [2024-11-12 17:08:34,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:08:34,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2024-11-12 17:08:34,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:08:34,863 INFO L225 Difference]: With dead ends: 345 [2024-11-12 17:08:34,863 INFO L226 Difference]: Without dead ends: 344 [2024-11-12 17:08:34,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:08:34,864 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 47 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:08:34,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 332 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:08:34,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-12 17:08:34,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2024-11-12 17:08:34,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 261 states have (on average 1.3409961685823755) internal successors, (350), 337 states have internal predecessors, (350), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-12 17:08:34,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 360 transitions. [2024-11-12 17:08:34,874 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 360 transitions. Word has length 67 [2024-11-12 17:08:34,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:08:34,874 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 360 transitions. [2024-11-12 17:08:34,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:08:34,874 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 360 transitions. [2024-11-12 17:08:34,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-12 17:08:34,876 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:08:34,876 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:08:34,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 17:08:34,876 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-12 17:08:34,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:08:34,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1532525395, now seen corresponding path program 1 times [2024-11-12 17:08:34,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:08:34,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308157885] [2024-11-12 17:08:34,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:34,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:08:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:08:34,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1194681399] [2024-11-12 17:08:34,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:34,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:08:34,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:08:34,913 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) [2024-11-12 17:08:34,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 17:08:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:34,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:08:34,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:08:35,261 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:08:35,263 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:08:35,569 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:08:35,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:08:35,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308157885] [2024-11-12 17:08:35,570 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:08:35,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194681399] [2024-11-12 17:08:35,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194681399] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:08:35,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:08:35,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-12 17:08:35,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765922718] [2024-11-12 17:08:35,571 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:08:35,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:08:35,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:08:35,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:08:35,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:08:35,573 INFO L87 Difference]: Start difference. First operand 344 states and 360 transitions. Second operand has 8 states, 7 states have (on average 29.142857142857142) internal successors, (204), 8 states have internal predecessors, (204), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:08:36,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:08:36,596 INFO L93 Difference]: Finished difference Result 368 states and 378 transitions. [2024-11-12 17:08:36,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:08:36,596 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 29.142857142857142) internal successors, (204), 8 states have internal predecessors, (204), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 107 [2024-11-12 17:08:36,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:08:36,598 INFO L225 Difference]: With dead ends: 368 [2024-11-12 17:08:36,598 INFO L226 Difference]: Without dead ends: 359 [2024-11-12 17:08:36,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:08:36,600 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 388 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:08:36,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 150 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 17:08:36,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-12 17:08:36,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 348. [2024-11-12 17:08:36,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 268 states have (on average 1.3097014925373134) internal successors, (351), 341 states have internal predecessors, (351), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-12 17:08:36,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 361 transitions. [2024-11-12 17:08:36,613 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 361 transitions. Word has length 107 [2024-11-12 17:08:36,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:08:36,613 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 361 transitions. [2024-11-12 17:08:36,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 29.142857142857142) internal successors, (204), 8 states have internal predecessors, (204), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:08:36,613 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 361 transitions. [2024-11-12 17:08:36,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-12 17:08:36,619 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:08:36,620 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:08:36,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 17:08:36,820 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,SelfDestructingSolverStorable8 [2024-11-12 17:08:36,821 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-12 17:08:36,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:08:36,821 INFO L85 PathProgramCache]: Analyzing trace with hash -416873835, now seen corresponding path program 1 times [2024-11-12 17:08:36,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:08:36,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092468153] [2024-11-12 17:08:36,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:36,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:08:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:08:36,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2038745227] [2024-11-12 17:08:36,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:36,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:08:36,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:08:36,859 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) [2024-11-12 17:08:36,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 17:08:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:36,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:08:36,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:08:37,265 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:08:37,266 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:08:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-12 17:08:37,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:08:37,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092468153] [2024-11-12 17:08:37,637 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:08:37,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038745227] [2024-11-12 17:08:37,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038745227] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-12 17:08:37,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:08:37,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-12 17:08:37,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136086135] [2024-11-12 17:08:37,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:08:37,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:08:37,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:08:37,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:08:37,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:08:37,640 INFO L87 Difference]: Start difference. First operand 348 states and 361 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:08:41,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:08:48,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:08:48,427 INFO L93 Difference]: Finished difference Result 348 states and 361 transitions. [2024-11-12 17:08:48,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:08:48,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 109 [2024-11-12 17:08:48,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:08:48,429 INFO L225 Difference]: With dead ends: 348 [2024-11-12 17:08:48,429 INFO L226 Difference]: Without dead ends: 346 [2024-11-12 17:08:48,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 210 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:08:48,431 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 95 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2024-11-12 17:08:48,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 39 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2024-11-12 17:08:48,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-12 17:08:48,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2024-11-12 17:08:48,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 268 states have (on average 1.294776119402985) internal successors, (347), 339 states have internal predecessors, (347), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-12 17:08:48,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 357 transitions. [2024-11-12 17:08:48,443 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 357 transitions. Word has length 109 [2024-11-12 17:08:48,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:08:48,443 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 357 transitions. [2024-11-12 17:08:48,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:08:48,444 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 357 transitions. [2024-11-12 17:08:48,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-12 17:08:48,448 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:08:48,448 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:08:48,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 17:08:48,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:08:48,650 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-12 17:08:48,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:08:48,650 INFO L85 PathProgramCache]: Analyzing trace with hash -371537834, now seen corresponding path program 1 times [2024-11-12 17:08:48,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:08:48,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159047476] [2024-11-12 17:08:48,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:48,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:08:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:48,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:08:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:48,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 17:08:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:48,757 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:08:48,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:08:48,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159047476] [2024-11-12 17:08:48,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159047476] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:08:48,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130178824] [2024-11-12 17:08:48,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:48,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:08:48,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:08:48,760 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) [2024-11-12 17:08:48,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 17:08:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:48,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:08:48,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:08:48,972 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:08:48,973 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:08:48,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130178824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:08:48,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:08:48,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-12 17:08:48,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598378202] [2024-11-12 17:08:48,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:08:48,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:08:48,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:08:48,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:08:48,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:08:48,975 INFO L87 Difference]: Start difference. First operand 346 states and 357 transitions. Second operand has 4 states, 3 states have (on average 36.666666666666664) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:08:48,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:08:48,998 INFO L93 Difference]: Finished difference Result 346 states and 357 transitions. [2024-11-12 17:08:48,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:08:48,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.666666666666664) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 117 [2024-11-12 17:08:48,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:08:49,001 INFO L225 Difference]: With dead ends: 346 [2024-11-12 17:08:49,001 INFO L226 Difference]: Without dead ends: 345 [2024-11-12 17:08:49,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:08:49,002 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 39 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:08:49,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 441 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:08:49,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-12 17:08:49,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2024-11-12 17:08:49,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 268 states have (on average 1.287313432835821) internal successors, (345), 338 states have internal predecessors, (345), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-12 17:08:49,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 355 transitions. [2024-11-12 17:08:49,015 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 355 transitions. Word has length 117 [2024-11-12 17:08:49,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:08:49,015 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 355 transitions. [2024-11-12 17:08:49,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.666666666666664) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:08:49,016 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 355 transitions. [2024-11-12 17:08:49,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-12 17:08:49,017 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:08:49,017 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:08:49,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 17:08:49,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:08:49,222 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-12 17:08:49,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:08:49,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1367229176, now seen corresponding path program 1 times [2024-11-12 17:08:49,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:08:49,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007379640] [2024-11-12 17:08:49,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:49,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:08:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:49,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 17:08:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:49,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 17:08:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:49,383 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:08:49,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:08:49,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007379640] [2024-11-12 17:08:49,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007379640] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:08:49,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136391330] [2024-11-12 17:08:49,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:49,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:08:49,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:08:49,386 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) [2024-11-12 17:08:49,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 17:08:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:49,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:08:49,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:08:49,563 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:08:49,563 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:08:49,706 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:08:49,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136391330] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:08:49,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:08:49,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-12 17:08:49,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132151152] [2024-11-12 17:08:49,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:08:49,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:08:49,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:08:49,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:08:49,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:08:49,712 INFO L87 Difference]: Start difference. First operand 345 states and 355 transitions. Second operand has 7 states, 6 states have (on average 43.833333333333336) internal successors, (263), 7 states have internal predecessors, (263), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-12 17:08:49,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:08:49,763 INFO L93 Difference]: Finished difference Result 527 states and 539 transitions. [2024-11-12 17:08:49,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:08:49,764 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 43.833333333333336) internal successors, (263), 7 states have internal predecessors, (263), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 118 [2024-11-12 17:08:49,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:08:49,766 INFO L225 Difference]: With dead ends: 527 [2024-11-12 17:08:49,766 INFO L226 Difference]: Without dead ends: 526 [2024-11-12 17:08:49,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:08:49,767 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 118 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:08:49,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 814 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:08:49,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-12 17:08:49,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 454. [2024-11-12 17:08:49,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 375 states have (on average 1.392) internal successors, (522), 445 states have internal predecessors, (522), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-12 17:08:49,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 536 transitions. [2024-11-12 17:08:49,785 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 536 transitions. Word has length 118 [2024-11-12 17:08:49,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:08:49,785 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 536 transitions. [2024-11-12 17:08:49,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 43.833333333333336) internal successors, (263), 7 states have internal predecessors, (263), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-12 17:08:49,786 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 536 transitions. [2024-11-12 17:08:49,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-12 17:08:49,787 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:08:49,788 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:08:49,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 17:08:49,988 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,SelfDestructingSolverStorable11 [2024-11-12 17:08:49,989 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-12 17:08:49,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:08:49,990 INFO L85 PathProgramCache]: Analyzing trace with hash 309834492, now seen corresponding path program 1 times [2024-11-12 17:08:49,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:08:49,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047211921] [2024-11-12 17:08:49,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:49,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:08:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:08:50,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1063606258] [2024-11-12 17:08:50,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:50,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:08:50,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:08:50,019 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) [2024-11-12 17:08:50,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 17:08:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:50,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 17:08:50,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:08:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:08:50,219 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:08:50,459 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:08:50,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:08:50,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047211921] [2024-11-12 17:08:50,460 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:08:50,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063606258] [2024-11-12 17:08:50,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063606258] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:08:50,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:08:50,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-12 17:08:50,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692660994] [2024-11-12 17:08:50,460 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:08:50,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:08:50,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:08:50,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:08:50,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:08:50,463 INFO L87 Difference]: Start difference. First operand 454 states and 536 transitions. Second operand has 8 states, 7 states have (on average 32.0) internal successors, (224), 8 states have internal predecessors, (224), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:08:51,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:08:51,101 INFO L93 Difference]: Finished difference Result 546 states and 615 transitions. [2024-11-12 17:08:51,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:08:51,102 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 32.0) internal successors, (224), 8 states have internal predecessors, (224), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 122 [2024-11-12 17:08:51,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:08:51,104 INFO L225 Difference]: With dead ends: 546 [2024-11-12 17:08:51,104 INFO L226 Difference]: Without dead ends: 481 [2024-11-12 17:08:51,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:08:51,107 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 657 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 1009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:08:51,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 131 Invalid, 1009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:08:51,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-11-12 17:08:51,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 468. [2024-11-12 17:08:51,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 408 states have (on average 1.213235294117647) internal successors, (495), 460 states have internal predecessors, (495), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 17:08:51,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 507 transitions. [2024-11-12 17:08:51,124 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 507 transitions. Word has length 122 [2024-11-12 17:08:51,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:08:51,125 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 507 transitions. [2024-11-12 17:08:51,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 32.0) internal successors, (224), 8 states have internal predecessors, (224), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:08:51,125 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 507 transitions. [2024-11-12 17:08:51,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-12 17:08:51,126 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:08:51,126 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-12 17:08:51,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-12 17:08:51,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:08:51,331 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-12 17:08:51,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:08:51,331 INFO L85 PathProgramCache]: Analyzing trace with hash -949554428, now seen corresponding path program 1 times [2024-11-12 17:08:51,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:08:51,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085892637] [2024-11-12 17:08:51,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:51,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:08:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:08:51,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2058388813] [2024-11-12 17:08:51,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:08:51,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:08:51,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:08:51,357 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) [2024-11-12 17:08:51,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 17:08:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:08:51,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 17:08:51,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:08:51,624 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 3 proven. 59 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:08:51,624 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:09:37,327 WARN L286 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-12 17:10:06,091 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-12 17:10:06,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:10:06,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085892637] [2024-11-12 17:10:06,091 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:10:06,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058388813] [2024-11-12 17:10:06,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058388813] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-12 17:10:06,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:10:06,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-12 17:10:06,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542652825] [2024-11-12 17:10:06,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:10:06,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:10:06,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:10:06,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:10:06,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:10:06,094 INFO L87 Difference]: Start difference. First operand 468 states and 507 transitions. Second operand has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)