./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-1.i -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 fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 21:58:20,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 21:58:20,309 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 21:58:20,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 21:58:20,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 21:58:20,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 21:58:20,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 21:58:20,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 21:58:20,353 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 21:58:20,354 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 21:58:20,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 21:58:20,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 21:58:20,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 21:58:20,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 21:58:20,358 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 21:58:20,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 21:58:20,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 21:58:20,358 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 21:58:20,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 21:58:20,359 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 21:58:20,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 21:58:20,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 21:58:20,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 21:58:20,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 21:58:20,363 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 21:58:20,363 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 21:58:20,363 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 21:58:20,363 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 21:58:20,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 21:58:20,364 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 21:58:20,364 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 21:58:20,364 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 21:58:20,365 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 21:58:20,365 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 21:58:20,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:58:20,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 21:58:20,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 21:58:20,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 21:58:20,367 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 21:58:20,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 21:58:20,368 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 21:58:20,368 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 21:58:20,368 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 21:58:20,368 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 21:58:20,369 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 [2024-11-10 21:58:20,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 21:58:20,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 21:58:20,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 21:58:20,653 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 21:58:20,654 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 21:58:20,655 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-1.i [2024-11-10 21:58:22,139 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 21:58:22,398 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 21:58:22,401 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-1.i [2024-11-10 21:58:22,422 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63580e79b/1efceff7345f4048826f42e42b6031b4/FLAGa7ddee714 [2024-11-10 21:58:22,435 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63580e79b/1efceff7345f4048826f42e42b6031b4 [2024-11-10 21:58:22,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 21:58:22,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 21:58:22,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 21:58:22,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 21:58:22,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 21:58:22,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:58:22" (1/1) ... [2024-11-10 21:58:22,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59e665b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:22, skipping insertion in model container [2024-11-10 21:58:22,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:58:22" (1/1) ... [2024-11-10 21:58:22,501 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:58:22,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:58:22,969 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 21:58:23,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:58:23,114 INFO L204 MainTranslator]: Completed translation [2024-11-10 21:58:23,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:23 WrapperNode [2024-11-10 21:58:23,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 21:58:23,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 21:58:23,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 21:58:23,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 21:58:23,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:23" (1/1) ... [2024-11-10 21:58:23,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:23" (1/1) ... [2024-11-10 21:58:23,208 INFO L138 Inliner]: procedures = 176, calls = 170, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 787 [2024-11-10 21:58:23,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 21:58:23,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 21:58:23,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 21:58:23,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 21:58:23,234 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:23" (1/1) ... [2024-11-10 21:58:23,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:23" (1/1) ... [2024-11-10 21:58:23,249 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:23" (1/1) ... [2024-11-10 21:58:23,297 INFO L175 MemorySlicer]: Split 158 memory accesses to 2 slices as follows [2, 156]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 42 writes are split as follows [0, 42]. [2024-11-10 21:58:23,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:23" (1/1) ... [2024-11-10 21:58:23,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:23" (1/1) ... [2024-11-10 21:58:23,338 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:23" (1/1) ... [2024-11-10 21:58:23,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:23" (1/1) ... [2024-11-10 21:58:23,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:23" (1/1) ... [2024-11-10 21:58:23,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:23" (1/1) ... [2024-11-10 21:58:23,355 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 21:58:23,356 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 21:58:23,356 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 21:58:23,356 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 21:58:23,357 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:23" (1/1) ... [2024-11-10 21:58:23,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:58:23,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:58:23,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 21:58:23,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 21:58:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 21:58:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 21:58:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 21:58:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 21:58:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-10 21:58:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-10 21:58:23,467 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-10 21:58:23,467 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-10 21:58:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 21:58:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 21:58:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 21:58:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 21:58:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 21:58:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 21:58:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 21:58:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 21:58:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 21:58:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 21:58:23,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 21:58:23,626 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 21:58:23,629 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 21:58:24,549 INFO L? ?]: Removed 205 outVars from TransFormulas that were not future-live. [2024-11-10 21:58:24,550 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 21:58:24,597 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 21:58:24,598 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-10 21:58:24,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:58:24 BoogieIcfgContainer [2024-11-10 21:58:24,598 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 21:58:24,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 21:58:24,600 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 21:58:24,605 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 21:58:24,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:58:22" (1/3) ... [2024-11-10 21:58:24,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@735eb505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:58:24, skipping insertion in model container [2024-11-10 21:58:24,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:58:23" (2/3) ... [2024-11-10 21:58:24,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@735eb505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:58:24, skipping insertion in model container [2024-11-10 21:58:24,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:58:24" (3/3) ... [2024-11-10 21:58:24,608 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_nondet_test1-1.i [2024-11-10 21:58:24,625 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 21:58:24,625 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-10 21:58:24,698 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 21:58:24,705 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;@5ec43450, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 21:58:24,705 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-10 21:58:24,709 INFO L276 IsEmpty]: Start isEmpty. Operand has 229 states, 218 states have (on average 1.5963302752293578) internal successors, (348), 224 states have internal predecessors, (348), 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) [2024-11-10 21:58:24,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 21:58:24,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:24,715 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:24,715 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:24,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:24,721 INFO L85 PathProgramCache]: Analyzing trace with hash -785339238, now seen corresponding path program 1 times [2024-11-10 21:58:24,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:24,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527128233] [2024-11-10 21:58:24,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:24,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:24,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 21:58:24,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:24,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527128233] [2024-11-10 21:58:24,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527128233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:24,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:58:24,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 21:58:24,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823310583] [2024-11-10 21:58:24,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:24,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 21:58:24,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:24,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 21:58:24,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 21:58:24,920 INFO L87 Difference]: Start difference. First operand has 229 states, 218 states have (on average 1.5963302752293578) internal successors, (348), 224 states have internal predecessors, (348), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:58:25,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:25,025 INFO L93 Difference]: Finished difference Result 455 states and 705 transitions. [2024-11-10 21:58:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 21:58:25,028 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2024-11-10 21:58:25,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:25,038 INFO L225 Difference]: With dead ends: 455 [2024-11-10 21:58:25,038 INFO L226 Difference]: Without dead ends: 221 [2024-11-10 21:58:25,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 21:58:25,046 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:25,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 294 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:58:25,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-10 21:58:25,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2024-11-10 21:58:25,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 211 states have (on average 1.4360189573459716) internal successors, (303), 216 states have internal predecessors, (303), 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) [2024-11-10 21:58:25,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 309 transitions. [2024-11-10 21:58:25,131 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 309 transitions. Word has length 7 [2024-11-10 21:58:25,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:25,131 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 309 transitions. [2024-11-10 21:58:25,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:58:25,132 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 309 transitions. [2024-11-10 21:58:25,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 21:58:25,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:25,132 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:25,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 21:58:25,133 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:25,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:25,134 INFO L85 PathProgramCache]: Analyzing trace with hash -775367238, now seen corresponding path program 1 times [2024-11-10 21:58:25,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:25,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852125064] [2024-11-10 21:58:25,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:25,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:25,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 21:58:25,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:25,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852125064] [2024-11-10 21:58:25,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852125064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:25,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:58:25,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 21:58:25,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215388665] [2024-11-10 21:58:25,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:25,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 21:58:25,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:25,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 21:58:25,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:58:25,390 INFO L87 Difference]: Start difference. First operand 221 states and 309 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:58:25,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:25,508 INFO L93 Difference]: Finished difference Result 235 states and 327 transitions. [2024-11-10 21:58:25,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 21:58:25,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2024-11-10 21:58:25,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:25,511 INFO L225 Difference]: With dead ends: 235 [2024-11-10 21:58:25,511 INFO L226 Difference]: Without dead ends: 234 [2024-11-10 21:58:25,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:58:25,515 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 10 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:25,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 561 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:58:25,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-10 21:58:25,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 226. [2024-11-10 21:58:25,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 216 states have (on average 1.4305555555555556) internal successors, (309), 221 states have internal predecessors, (309), 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) [2024-11-10 21:58:25,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 315 transitions. [2024-11-10 21:58:25,533 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 315 transitions. Word has length 7 [2024-11-10 21:58:25,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:25,533 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 315 transitions. [2024-11-10 21:58:25,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:58:25,534 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 315 transitions. [2024-11-10 21:58:25,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 21:58:25,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:25,534 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:25,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 21:58:25,535 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:25,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:25,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1720798327, now seen corresponding path program 1 times [2024-11-10 21:58:25,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:25,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641617802] [2024-11-10 21:58:25,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:25,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:25,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 21:58:25,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:25,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641617802] [2024-11-10 21:58:25,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641617802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:25,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:58:25,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 21:58:25,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994402948] [2024-11-10 21:58:25,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:25,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 21:58:25,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:25,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 21:58:25,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 21:58:25,591 INFO L87 Difference]: Start difference. First operand 226 states and 315 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:58:25,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:25,699 INFO L93 Difference]: Finished difference Result 430 states and 606 transitions. [2024-11-10 21:58:25,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 21:58:25,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-10 21:58:25,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:25,705 INFO L225 Difference]: With dead ends: 430 [2024-11-10 21:58:25,706 INFO L226 Difference]: Without dead ends: 422 [2024-11-10 21:58:25,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 21:58:25,708 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 280 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:25,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 565 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:58:25,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-10 21:58:25,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 226. [2024-11-10 21:58:25,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 216 states have (on average 1.4259259259259258) internal successors, (308), 221 states have internal predecessors, (308), 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) [2024-11-10 21:58:25,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 314 transitions. [2024-11-10 21:58:25,741 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 314 transitions. Word has length 8 [2024-11-10 21:58:25,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:25,742 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 314 transitions. [2024-11-10 21:58:25,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:58:25,745 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 314 transitions. [2024-11-10 21:58:25,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 21:58:25,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:25,746 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:25,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 21:58:25,747 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:25,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:25,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1733419740, now seen corresponding path program 1 times [2024-11-10 21:58:25,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:25,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300777974] [2024-11-10 21:58:25,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:25,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:25,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 21:58:25,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:25,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300777974] [2024-11-10 21:58:25,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300777974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:25,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:58:25,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 21:58:25,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654546851] [2024-11-10 21:58:25,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:25,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 21:58:25,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:25,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 21:58:25,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:58:25,900 INFO L87 Difference]: Start difference. First operand 226 states and 314 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:58:25,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:25,961 INFO L93 Difference]: Finished difference Result 229 states and 317 transitions. [2024-11-10 21:58:25,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 21:58:25,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-10 21:58:25,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:25,963 INFO L225 Difference]: With dead ends: 229 [2024-11-10 21:58:25,963 INFO L226 Difference]: Without dead ends: 228 [2024-11-10 21:58:25,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:58:25,964 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 2 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:25,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 563 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:58:25,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-10 21:58:25,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 227. [2024-11-10 21:58:25,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 217 states have (on average 1.423963133640553) internal successors, (309), 222 states have internal predecessors, (309), 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) [2024-11-10 21:58:25,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 315 transitions. [2024-11-10 21:58:25,981 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 315 transitions. Word has length 8 [2024-11-10 21:58:25,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:25,982 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 315 transitions. [2024-11-10 21:58:25,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:58:25,982 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 315 transitions. [2024-11-10 21:58:25,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 21:58:25,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:25,986 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:25,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 21:58:25,987 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:25,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:25,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1013080415, now seen corresponding path program 1 times [2024-11-10 21:58:25,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:25,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073781617] [2024-11-10 21:58:25,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:25,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:26,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 21:58:26,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:26,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073781617] [2024-11-10 21:58:26,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073781617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:26,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:58:26,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 21:58:26,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100398837] [2024-11-10 21:58:26,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:26,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 21:58:26,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:26,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 21:58:26,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 21:58:26,236 INFO L87 Difference]: Start difference. First operand 227 states and 315 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:58:26,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:26,364 INFO L93 Difference]: Finished difference Result 466 states and 652 transitions. [2024-11-10 21:58:26,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 21:58:26,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 83 [2024-11-10 21:58:26,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:26,367 INFO L225 Difference]: With dead ends: 466 [2024-11-10 21:58:26,367 INFO L226 Difference]: Without dead ends: 247 [2024-11-10 21:58:26,369 INFO L431 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 [2024-11-10 21:58:26,370 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 8 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:26,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 519 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:58:26,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-10 21:58:26,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2024-11-10 21:58:26,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 237 states have (on average 1.3881856540084387) internal successors, (329), 242 states have internal predecessors, (329), 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) [2024-11-10 21:58:26,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 335 transitions. [2024-11-10 21:58:26,384 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 335 transitions. Word has length 83 [2024-11-10 21:58:26,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:26,385 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 335 transitions. [2024-11-10 21:58:26,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:58:26,385 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 335 transitions. [2024-11-10 21:58:26,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 21:58:26,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:26,390 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:26,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 21:58:26,391 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:26,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:26,391 INFO L85 PathProgramCache]: Analyzing trace with hash 917538690, now seen corresponding path program 1 times [2024-11-10 21:58:26,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:26,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685133111] [2024-11-10 21:58:26,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:26,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:26,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 21:58:26,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:26,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685133111] [2024-11-10 21:58:26,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685133111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:26,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:58:26,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 21:58:26,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56264761] [2024-11-10 21:58:26,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:26,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 21:58:26,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:26,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 21:58:26,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:58:26,591 INFO L87 Difference]: Start difference. First operand 247 states and 335 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:58:26,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:26,713 INFO L93 Difference]: Finished difference Result 472 states and 648 transitions. [2024-11-10 21:58:26,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 21:58:26,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 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 83 [2024-11-10 21:58:26,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:26,715 INFO L225 Difference]: With dead ends: 472 [2024-11-10 21:58:26,716 INFO L226 Difference]: Without dead ends: 233 [2024-11-10 21:58:26,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 21:58:26,718 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 105 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:26,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 692 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:58:26,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-10 21:58:26,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-11-10 21:58:26,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 223 states have (on average 1.3811659192825112) internal successors, (308), 228 states have internal predecessors, (308), 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) [2024-11-10 21:58:26,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 314 transitions. [2024-11-10 21:58:26,730 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 314 transitions. Word has length 83 [2024-11-10 21:58:26,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:26,731 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 314 transitions. [2024-11-10 21:58:26,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:58:26,732 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 314 transitions. [2024-11-10 21:58:26,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 21:58:26,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:26,735 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:26,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 21:58:26,736 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:26,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:26,736 INFO L85 PathProgramCache]: Analyzing trace with hash -468405029, now seen corresponding path program 1 times [2024-11-10 21:58:26,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:26,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43850264] [2024-11-10 21:58:26,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:26,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:26,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 21:58:26,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:26,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43850264] [2024-11-10 21:58:26,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43850264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:26,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:58:26,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 21:58:26,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300494761] [2024-11-10 21:58:26,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:26,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 21:58:26,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:26,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 21:58:26,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 21:58:26,891 INFO L87 Difference]: Start difference. First operand 233 states and 314 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:58:26,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:26,997 INFO L93 Difference]: Finished difference Result 593 states and 815 transitions. [2024-11-10 21:58:26,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 21:58:26,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 83 [2024-11-10 21:58:26,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:27,000 INFO L225 Difference]: With dead ends: 593 [2024-11-10 21:58:27,000 INFO L226 Difference]: Without dead ends: 368 [2024-11-10 21:58:27,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 21:58:27,001 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 134 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:27,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 550 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:58:27,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-10 21:58:27,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-11-10 21:58:27,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 358 states have (on average 1.4022346368715084) internal successors, (502), 363 states have internal predecessors, (502), 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) [2024-11-10 21:58:27,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 508 transitions. [2024-11-10 21:58:27,016 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 508 transitions. Word has length 83 [2024-11-10 21:58:27,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:27,017 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 508 transitions. [2024-11-10 21:58:27,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 21:58:27,017 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 508 transitions. [2024-11-10 21:58:27,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-10 21:58:27,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:27,019 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:27,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 21:58:27,019 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:27,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:27,020 INFO L85 PathProgramCache]: Analyzing trace with hash 161201784, now seen corresponding path program 1 times [2024-11-10 21:58:27,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:27,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384772567] [2024-11-10 21:58:27,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:27,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:27,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:27,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:27,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:27,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:27,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384772567] [2024-11-10 21:58:27,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384772567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:27,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:58:27,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 21:58:27,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450946465] [2024-11-10 21:58:27,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:27,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 21:58:27,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:27,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 21:58:27,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 21:58:27,327 INFO L87 Difference]: Start difference. First operand 368 states and 508 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 21:58:27,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:27,619 INFO L93 Difference]: Finished difference Result 439 states and 605 transitions. [2024-11-10 21:58:27,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 21:58:27,620 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 98 [2024-11-10 21:58:27,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:27,625 INFO L225 Difference]: With dead ends: 439 [2024-11-10 21:58:27,625 INFO L226 Difference]: Without dead ends: 437 [2024-11-10 21:58:27,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 21:58:27,627 INFO L432 NwaCegarLoop]: 314 mSDtfsCounter, 191 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:27,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 1145 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 21:58:27,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-10 21:58:27,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 433. [2024-11-10 21:58:27,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 420 states have (on average 1.3833333333333333) internal successors, (581), 425 states have internal predecessors, (581), 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) [2024-11-10 21:58:27,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 593 transitions. [2024-11-10 21:58:27,644 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 593 transitions. Word has length 98 [2024-11-10 21:58:27,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:27,644 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 593 transitions. [2024-11-10 21:58:27,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 21:58:27,645 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 593 transitions. [2024-11-10 21:58:27,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-10 21:58:27,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:27,650 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:27,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 21:58:27,650 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:27,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:27,651 INFO L85 PathProgramCache]: Analyzing trace with hash -448896252, now seen corresponding path program 1 times [2024-11-10 21:58:27,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:27,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556352369] [2024-11-10 21:58:27,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:27,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:28,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:28,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:28,416 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:28,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:28,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556352369] [2024-11-10 21:58:28,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556352369] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:58:28,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850118385] [2024-11-10 21:58:28,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:28,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:28,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:58:28,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:58:28,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 21:58:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:28,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 21:58:28,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:58:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:29,034 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:58:29,251 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:29,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850118385] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:58:29,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:58:29,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-10 21:58:29,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422929969] [2024-11-10 21:58:29,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:58:29,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 21:58:29,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:29,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 21:58:29,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-10 21:58:29,257 INFO L87 Difference]: Start difference. First operand 433 states and 593 transitions. Second operand has 14 states, 13 states have (on average 15.615384615384615) internal successors, (203), 13 states have internal predecessors, (203), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 21:58:29,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:29,839 INFO L93 Difference]: Finished difference Result 885 states and 1231 transitions. [2024-11-10 21:58:29,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 21:58:29,840 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 15.615384615384615) internal successors, (203), 13 states have internal predecessors, (203), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 105 [2024-11-10 21:58:29,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:29,845 INFO L225 Difference]: With dead ends: 885 [2024-11-10 21:58:29,846 INFO L226 Difference]: Without dead ends: 884 [2024-11-10 21:58:29,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-10 21:58:29,847 INFO L432 NwaCegarLoop]: 311 mSDtfsCounter, 1187 mSDsluCounter, 2448 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1197 SdHoareTripleChecker+Valid, 2759 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:29,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1197 Valid, 2759 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 21:58:29,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2024-11-10 21:58:29,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 857. [2024-11-10 21:58:29,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 838 states have (on average 1.3866348448687351) internal successors, (1162), 843 states have internal predecessors, (1162), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 21:58:29,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1186 transitions. [2024-11-10 21:58:29,880 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1186 transitions. Word has length 105 [2024-11-10 21:58:29,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:29,881 INFO L471 AbstractCegarLoop]: Abstraction has 857 states and 1186 transitions. [2024-11-10 21:58:29,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 15.615384615384615) internal successors, (203), 13 states have internal predecessors, (203), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 21:58:29,882 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1186 transitions. [2024-11-10 21:58:29,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-10 21:58:29,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:29,883 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:29,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 21:58:30,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:30,085 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:30,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:30,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1043502995, now seen corresponding path program 1 times [2024-11-10 21:58:30,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:30,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624503358] [2024-11-10 21:58:30,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:30,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:30,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:30,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:30,330 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:30,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:30,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624503358] [2024-11-10 21:58:30,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624503358] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:58:30,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675158148] [2024-11-10 21:58:30,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:30,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:30,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:58:30,333 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:58:30,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 21:58:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:30,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 21:58:30,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:58:30,740 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:30,741 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:58:30,920 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:30,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675158148] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:58:30,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:58:30,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-11-10 21:58:30,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449026099] [2024-11-10 21:58:30,922 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:58:30,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 21:58:30,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:30,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 21:58:30,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-10 21:58:30,924 INFO L87 Difference]: Start difference. First operand 857 states and 1186 transitions. Second operand has 11 states, 11 states have (on average 25.454545454545453) internal successors, (280), 10 states have internal predecessors, (280), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 21:58:31,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:31,388 INFO L93 Difference]: Finished difference Result 870 states and 1209 transitions. [2024-11-10 21:58:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 21:58:31,389 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 25.454545454545453) internal successors, (280), 10 states have internal predecessors, (280), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 106 [2024-11-10 21:58:31,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:31,394 INFO L225 Difference]: With dead ends: 870 [2024-11-10 21:58:31,394 INFO L226 Difference]: Without dead ends: 861 [2024-11-10 21:58:31,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-10 21:58:31,395 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 736 mSDsluCounter, 2029 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 2342 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:31,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [750 Valid, 2342 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 21:58:31,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2024-11-10 21:58:31,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 857. [2024-11-10 21:58:31,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 838 states have (on average 1.3830548926014319) internal successors, (1159), 843 states have internal predecessors, (1159), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 21:58:31,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1183 transitions. [2024-11-10 21:58:31,424 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1183 transitions. Word has length 106 [2024-11-10 21:58:31,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:31,424 INFO L471 AbstractCegarLoop]: Abstraction has 857 states and 1183 transitions. [2024-11-10 21:58:31,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 25.454545454545453) internal successors, (280), 10 states have internal predecessors, (280), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 21:58:31,424 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1183 transitions. [2024-11-10 21:58:31,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-10 21:58:31,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:31,426 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:31,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 21:58:31,626 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,SelfDestructingSolverStorable9 [2024-11-10 21:58:31,627 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:31,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:31,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1030881582, now seen corresponding path program 1 times [2024-11-10 21:58:31,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:31,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818328825] [2024-11-10 21:58:31,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:31,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:32,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:32,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:32,245 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:32,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:32,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818328825] [2024-11-10 21:58:32,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818328825] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:58:32,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201223540] [2024-11-10 21:58:32,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:32,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:32,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:58:32,250 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:58:32,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 21:58:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:32,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 21:58:32,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:58:32,742 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:32,743 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:58:32,917 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:32,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201223540] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:58:32,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:58:32,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-10 21:58:32,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054241531] [2024-11-10 21:58:32,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:58:32,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 21:58:32,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:32,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 21:58:32,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-10 21:58:32,920 INFO L87 Difference]: Start difference. First operand 857 states and 1183 transitions. Second operand has 14 states, 13 states have (on average 15.846153846153847) internal successors, (206), 13 states have internal predecessors, (206), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 21:58:33,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:33,841 INFO L93 Difference]: Finished difference Result 872 states and 1209 transitions. [2024-11-10 21:58:33,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 21:58:33,841 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 15.846153846153847) internal successors, (206), 13 states have internal predecessors, (206), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 106 [2024-11-10 21:58:33,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:33,845 INFO L225 Difference]: With dead ends: 872 [2024-11-10 21:58:33,845 INFO L226 Difference]: Without dead ends: 871 [2024-11-10 21:58:33,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-10 21:58:33,846 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 851 mSDsluCounter, 1837 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 861 SdHoareTripleChecker+Valid, 2108 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:33,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [861 Valid, 2108 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 21:58:33,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2024-11-10 21:58:33,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 858. [2024-11-10 21:58:33,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 839 states have (on average 1.3802145411203814) internal successors, (1158), 844 states have internal predecessors, (1158), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 21:58:33,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1182 transitions. [2024-11-10 21:58:33,872 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1182 transitions. Word has length 106 [2024-11-10 21:58:33,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:33,872 INFO L471 AbstractCegarLoop]: Abstraction has 858 states and 1182 transitions. [2024-11-10 21:58:33,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 15.846153846153847) internal successors, (206), 13 states have internal predecessors, (206), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 21:58:33,873 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1182 transitions. [2024-11-10 21:58:33,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-10 21:58:33,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:33,875 INFO L215 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:33,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 21:58:34,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:34,076 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:34,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:34,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1063736101, now seen corresponding path program 1 times [2024-11-10 21:58:34,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:34,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672747300] [2024-11-10 21:58:34,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:34,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:34,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:34,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:34,528 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:34,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:34,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672747300] [2024-11-10 21:58:34,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672747300] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:58:34,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813661055] [2024-11-10 21:58:34,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:34,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:34,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:58:34,531 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:58:34,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 21:58:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:34,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 21:58:34,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:58:35,186 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:35,186 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 21:58:35,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813661055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:35,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 21:58:35,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-10 21:58:35,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609881627] [2024-11-10 21:58:35,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:35,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 21:58:35,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:35,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 21:58:35,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-10 21:58:35,188 INFO L87 Difference]: Start difference. First operand 858 states and 1182 transitions. Second operand has 6 states, 5 states have (on average 34.8) internal successors, (174), 6 states have internal predecessors, (174), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 21:58:35,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:35,327 INFO L93 Difference]: Finished difference Result 858 states and 1182 transitions. [2024-11-10 21:58:35,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 21:58:35,328 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 34.8) internal successors, (174), 6 states have internal predecessors, (174), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 181 [2024-11-10 21:58:35,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:35,331 INFO L225 Difference]: With dead ends: 858 [2024-11-10 21:58:35,331 INFO L226 Difference]: Without dead ends: 857 [2024-11-10 21:58:35,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-10 21:58:35,332 INFO L432 NwaCegarLoop]: 482 mSDtfsCounter, 429 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:35,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 1228 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:58:35,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2024-11-10 21:58:35,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 857. [2024-11-10 21:58:35,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 839 states have (on average 1.3766388557806912) internal successors, (1155), 843 states have internal predecessors, (1155), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 21:58:35,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1179 transitions. [2024-11-10 21:58:35,357 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1179 transitions. Word has length 181 [2024-11-10 21:58:35,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:35,358 INFO L471 AbstractCegarLoop]: Abstraction has 857 states and 1179 transitions. [2024-11-10 21:58:35,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 34.8) internal successors, (174), 6 states have internal predecessors, (174), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 21:58:35,358 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1179 transitions. [2024-11-10 21:58:35,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-11-10 21:58:35,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:35,361 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:35,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 21:58:35,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:35,563 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:35,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:35,564 INFO L85 PathProgramCache]: Analyzing trace with hash 836937128, now seen corresponding path program 1 times [2024-11-10 21:58:35,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:35,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588872989] [2024-11-10 21:58:35,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:35,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:36,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:36,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:36,015 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-10 21:58:36,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:36,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588872989] [2024-11-10 21:58:36,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588872989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:58:36,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:58:36,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 21:58:36,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211594638] [2024-11-10 21:58:36,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:58:36,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 21:58:36,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:36,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 21:58:36,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 21:58:36,018 INFO L87 Difference]: Start difference. First operand 857 states and 1179 transitions. Second operand has 5 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 21:58:36,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:36,235 INFO L93 Difference]: Finished difference Result 860 states and 1194 transitions. [2024-11-10 21:58:36,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 21:58:36,236 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 265 [2024-11-10 21:58:36,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:36,240 INFO L225 Difference]: With dead ends: 860 [2024-11-10 21:58:36,240 INFO L226 Difference]: Without dead ends: 859 [2024-11-10 21:58:36,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 21:58:36,241 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 201 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:36,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 781 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 21:58:36,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-11-10 21:58:36,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 856. [2024-11-10 21:58:36,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 839 states have (on average 1.3742550655542312) internal successors, (1153), 842 states have internal predecessors, (1153), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 21:58:36,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1177 transitions. [2024-11-10 21:58:36,267 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1177 transitions. Word has length 265 [2024-11-10 21:58:36,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:36,268 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1177 transitions. [2024-11-10 21:58:36,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 21:58:36,268 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1177 transitions. [2024-11-10 21:58:36,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-10 21:58:36,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:36,271 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-10 21:58:36,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 21:58:36,272 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:36,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:36,273 INFO L85 PathProgramCache]: Analyzing trace with hash -766849203, now seen corresponding path program 1 times [2024-11-10 21:58:36,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:36,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480697182] [2024-11-10 21:58:36,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:36,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:36,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:36,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:36,953 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 251 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:36,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:36,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480697182] [2024-11-10 21:58:36,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480697182] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:58:36,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78513454] [2024-11-10 21:58:36,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:36,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:36,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:58:36,957 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:58:36,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 21:58:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:37,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 1287 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 21:58:37,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:58:37,816 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 251 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:37,817 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:58:38,193 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 251 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:38,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78513454] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:58:38,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:58:38,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 19 [2024-11-10 21:58:38,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861472304] [2024-11-10 21:58:38,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:58:38,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 21:58:38,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:38,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 21:58:38,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-10 21:58:38,197 INFO L87 Difference]: Start difference. First operand 856 states and 1177 transitions. Second operand has 19 states, 19 states have (on average 32.21052631578947) internal successors, (612), 18 states have internal predecessors, (612), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 21:58:38,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:38,799 INFO L93 Difference]: Finished difference Result 1494 states and 2079 transitions. [2024-11-10 21:58:38,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 21:58:38,800 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 32.21052631578947) internal successors, (612), 18 states have internal predecessors, (612), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 272 [2024-11-10 21:58:38,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:38,807 INFO L225 Difference]: With dead ends: 1494 [2024-11-10 21:58:38,808 INFO L226 Difference]: Without dead ends: 1486 [2024-11-10 21:58:38,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 538 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-10 21:58:38,809 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 2741 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2779 SdHoareTripleChecker+Valid, 3081 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:38,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2779 Valid, 3081 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 21:58:38,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2024-11-10 21:58:38,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1479. [2024-11-10 21:58:38,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1479 states, 1453 states have (on average 1.377150722642808) internal successors, (2001), 1456 states have internal predecessors, (2001), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-10 21:58:38,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 2043 transitions. [2024-11-10 21:58:38,842 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 2043 transitions. Word has length 272 [2024-11-10 21:58:38,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:38,842 INFO L471 AbstractCegarLoop]: Abstraction has 1479 states and 2043 transitions. [2024-11-10 21:58:38,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 32.21052631578947) internal successors, (612), 18 states have internal predecessors, (612), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 21:58:38,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 2043 transitions. [2024-11-10 21:58:38,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-10 21:58:38,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:38,848 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:38,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 21:58:39,049 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,SelfDestructingSolverStorable13 [2024-11-10 21:58:39,050 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:39,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:39,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1317933207, now seen corresponding path program 1 times [2024-11-10 21:58:39,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:39,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588118848] [2024-11-10 21:58:39,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:39,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:42,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:42,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:42,198 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 512 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:42,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:42,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588118848] [2024-11-10 21:58:42,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588118848] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:58:42,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120005795] [2024-11-10 21:58:42,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:42,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:42,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:58:42,201 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:58:42,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 21:58:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:42,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 1688 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-10 21:58:42,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:58:43,434 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 512 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:43,435 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:58:43,999 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 512 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:43,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120005795] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:58:44,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:58:44,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 28 [2024-11-10 21:58:44,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462043036] [2024-11-10 21:58:44,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:58:44,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-10 21:58:44,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:44,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-10 21:58:44,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2024-11-10 21:58:44,004 INFO L87 Difference]: Start difference. First operand 1479 states and 2043 transitions. Second operand has 29 states, 28 states have (on average 25.464285714285715) internal successors, (713), 28 states have internal predecessors, (713), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 21:58:45,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:45,050 INFO L93 Difference]: Finished difference Result 2133 states and 2983 transitions. [2024-11-10 21:58:45,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 21:58:45,051 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 25.464285714285715) internal successors, (713), 28 states have internal predecessors, (713), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 354 [2024-11-10 21:58:45,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:45,059 INFO L225 Difference]: With dead ends: 2133 [2024-11-10 21:58:45,059 INFO L226 Difference]: Without dead ends: 2132 [2024-11-10 21:58:45,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 726 GetRequests, 694 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=340, Invalid=782, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 21:58:45,062 INFO L432 NwaCegarLoop]: 350 mSDtfsCounter, 4092 mSDsluCounter, 3941 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4138 SdHoareTripleChecker+Valid, 4291 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:45,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4138 Valid, 4291 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 21:58:45,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2024-11-10 21:58:45,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 2109. [2024-11-10 21:58:45,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2109 states, 2074 states have (on average 1.3775313404050145) internal successors, (2857), 2077 states have internal predecessors, (2857), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 21:58:45,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2917 transitions. [2024-11-10 21:58:45,113 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2917 transitions. Word has length 354 [2024-11-10 21:58:45,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:45,113 INFO L471 AbstractCegarLoop]: Abstraction has 2109 states and 2917 transitions. [2024-11-10 21:58:45,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 25.464285714285715) internal successors, (713), 28 states have internal predecessors, (713), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 21:58:45,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2917 transitions. [2024-11-10 21:58:45,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2024-11-10 21:58:45,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:45,120 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:45,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 21:58:45,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 21:58:45,324 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:45,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:45,325 INFO L85 PathProgramCache]: Analyzing trace with hash -2093743201, now seen corresponding path program 1 times [2024-11-10 21:58:45,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:45,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896572933] [2024-11-10 21:58:45,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:45,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:48,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:48,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:48,189 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 516 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:48,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:48,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896572933] [2024-11-10 21:58:48,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896572933] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:58:48,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333906009] [2024-11-10 21:58:48,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:48,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:48,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:58:48,192 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:58:48,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 21:58:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:48,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 1689 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-10 21:58:48,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:58:49,377 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 516 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:49,377 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:58:49,852 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 516 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:49,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333906009] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:58:49,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:58:49,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 28 [2024-11-10 21:58:49,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053895729] [2024-11-10 21:58:49,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:58:49,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-10 21:58:49,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:49,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-10 21:58:49,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2024-11-10 21:58:49,856 INFO L87 Difference]: Start difference. First operand 2109 states and 2917 transitions. Second operand has 29 states, 28 states have (on average 25.571428571428573) internal successors, (716), 28 states have internal predecessors, (716), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 21:58:50,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:50,717 INFO L93 Difference]: Finished difference Result 2133 states and 2977 transitions. [2024-11-10 21:58:50,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 21:58:50,717 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 25.571428571428573) internal successors, (716), 28 states have internal predecessors, (716), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 355 [2024-11-10 21:58:50,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:50,726 INFO L225 Difference]: With dead ends: 2133 [2024-11-10 21:58:50,726 INFO L226 Difference]: Without dead ends: 2132 [2024-11-10 21:58:50,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 728 GetRequests, 696 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=340, Invalid=782, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 21:58:50,728 INFO L432 NwaCegarLoop]: 351 mSDtfsCounter, 3556 mSDsluCounter, 4283 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3602 SdHoareTripleChecker+Valid, 4634 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:50,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3602 Valid, 4634 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 21:58:50,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2024-11-10 21:58:50,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 2110. [2024-11-10 21:58:50,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2110 states, 2075 states have (on average 1.3749397590361445) internal successors, (2853), 2078 states have internal predecessors, (2853), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 21:58:50,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 2110 states and 2913 transitions. [2024-11-10 21:58:50,780 INFO L78 Accepts]: Start accepts. Automaton has 2110 states and 2913 transitions. Word has length 355 [2024-11-10 21:58:50,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:50,781 INFO L471 AbstractCegarLoop]: Abstraction has 2110 states and 2913 transitions. [2024-11-10 21:58:50,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 25.571428571428573) internal successors, (716), 28 states have internal predecessors, (716), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 21:58:50,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 2913 transitions. [2024-11-10 21:58:50,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2024-11-10 21:58:50,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:50,793 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:50,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 21:58:50,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:50,994 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:50,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:50,994 INFO L85 PathProgramCache]: Analyzing trace with hash -2062736115, now seen corresponding path program 2 times [2024-11-10 21:58:50,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:50,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889757231] [2024-11-10 21:58:50,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:50,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:53,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:53,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:53,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 1745 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:53,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:53,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889757231] [2024-11-10 21:58:53,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889757231] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:58:53,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92485692] [2024-11-10 21:58:53,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 21:58:53,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:53,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:58:53,206 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:58:53,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 21:58:54,069 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 21:58:54,069 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 21:58:54,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 2767 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 21:58:54,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:58:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 1745 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:54,622 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 21:58:55,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 1745 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:55,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92485692] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 21:58:55,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 21:58:55,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 24 [2024-11-10 21:58:55,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481024594] [2024-11-10 21:58:55,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 21:58:55,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 21:58:55,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:58:55,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 21:58:55,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-10 21:58:55,300 INFO L87 Difference]: Start difference. First operand 2110 states and 2913 transitions. Second operand has 24 states, 24 states have (on average 35.958333333333336) internal successors, (863), 23 states have internal predecessors, (863), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 21:58:55,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:58:55,966 INFO L93 Difference]: Finished difference Result 2121 states and 2954 transitions. [2024-11-10 21:58:55,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 21:58:55,968 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 35.958333333333336) internal successors, (863), 23 states have internal predecessors, (863), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 604 [2024-11-10 21:58:55,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:58:55,980 INFO L225 Difference]: With dead ends: 2121 [2024-11-10 21:58:55,982 INFO L226 Difference]: Without dead ends: 2113 [2024-11-10 21:58:55,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1227 GetRequests, 1194 SyntacticMatches, 11 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-10 21:58:55,986 INFO L432 NwaCegarLoop]: 394 mSDtfsCounter, 5551 mSDsluCounter, 3773 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5603 SdHoareTripleChecker+Valid, 4167 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 21:58:55,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5603 Valid, 4167 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 21:58:55,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2024-11-10 21:58:56,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 2110. [2024-11-10 21:58:56,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2110 states, 2075 states have (on average 1.3734939759036144) internal successors, (2850), 2078 states have internal predecessors, (2850), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 21:58:56,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 2110 states and 2910 transitions. [2024-11-10 21:58:56,043 INFO L78 Accepts]: Start accepts. Automaton has 2110 states and 2910 transitions. Word has length 604 [2024-11-10 21:58:56,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:58:56,045 INFO L471 AbstractCegarLoop]: Abstraction has 2110 states and 2910 transitions. [2024-11-10 21:58:56,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 35.958333333333336) internal successors, (863), 23 states have internal predecessors, (863), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 21:58:56,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 2910 transitions. [2024-11-10 21:58:56,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 853 [2024-11-10 21:58:56,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:58:56,070 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:58:56,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 21:58:56,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 21:58:56,271 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:58:56,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:58:56,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1873777353, now seen corresponding path program 2 times [2024-11-10 21:58:56,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:58:56,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182404047] [2024-11-10 21:58:56,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:58:56,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:58:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:59,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 21:58:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:59,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 21:58:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:58:59,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3771 backedges. 3036 proven. 731 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:58:59,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:58:59,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182404047] [2024-11-10 21:58:59,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182404047] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 21:58:59,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884106320] [2024-11-10 21:58:59,778 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 21:58:59,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 21:58:59,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:58:59,780 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 21:58:59,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 21:59:00,986 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 21:59:00,986 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 21:59:01,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 3908 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-10 21:59:01,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:59:01,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3771 backedges. 3767 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 21:59:01,764 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 21:59:01,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884106320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:59:01,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 21:59:01,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [24] total 26 [2024-11-10 21:59:01,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768893808] [2024-11-10 21:59:01,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:59:01,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 21:59:01,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:59:01,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 21:59:01,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2024-11-10 21:59:01,767 INFO L87 Difference]: Start difference. First operand 2110 states and 2910 transitions. Second operand has 23 states, 23 states have (on average 36.73913043478261) internal successors, (845), 23 states have internal predecessors, (845), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 21:59:02,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:59:02,869 INFO L93 Difference]: Finished difference Result 2327 states and 3208 transitions. [2024-11-10 21:59:02,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 21:59:02,870 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 36.73913043478261) internal successors, (845), 23 states have internal predecessors, (845), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 852 [2024-11-10 21:59:02,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:59:02,878 INFO L225 Difference]: With dead ends: 2327 [2024-11-10 21:59:02,878 INFO L226 Difference]: Without dead ends: 2104 [2024-11-10 21:59:02,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 878 GetRequests, 854 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2024-11-10 21:59:02,880 INFO L432 NwaCegarLoop]: 2268 mSDtfsCounter, 2259 mSDsluCounter, 13518 mSDsCounter, 0 mSdLazyCounter, 1795 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 15786 SdHoareTripleChecker+Invalid, 1812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 21:59:02,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2287 Valid, 15786 Invalid, 1812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1795 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 21:59:02,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2104 states. [2024-11-10 21:59:02,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2104 to 2104. [2024-11-10 21:59:02,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2104 states, 2071 states have (on average 1.3727667793336553) internal successors, (2843), 2072 states have internal predecessors, (2843), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 21:59:02,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 2104 states and 2903 transitions. [2024-11-10 21:59:02,925 INFO L78 Accepts]: Start accepts. Automaton has 2104 states and 2903 transitions. Word has length 852 [2024-11-10 21:59:02,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:59:02,926 INFO L471 AbstractCegarLoop]: Abstraction has 2104 states and 2903 transitions. [2024-11-10 21:59:02,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 36.73913043478261) internal successors, (845), 23 states have internal predecessors, (845), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 21:59:02,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2903 transitions. [2024-11-10 21:59:02,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 854 [2024-11-10 21:59:02,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:59:02,935 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:59:02,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 21:59:03,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-10 21:59:03,136 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 21:59:03,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:59:03,137 INFO L85 PathProgramCache]: Analyzing trace with hash 2029823130, now seen corresponding path program 3 times [2024-11-10 21:59:03,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:59:03,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269179022] [2024-11-10 21:59:03,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:59:03,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms