./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.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 db322df1d89bf1549765f136e3e3b8000484c0c3108c31998992cf725d6dcc20 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:18:06,143 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:18:06,214 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:18:06,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:18:06,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:18:06,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:18:06,249 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:18:06,251 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:18:06,251 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:18:06,252 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:18:06,252 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:18:06,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:18:06,253 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:18:06,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:18:06,256 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:18:06,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:18:06,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:18:06,257 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:18:06,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:18:06,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:18:06,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:18:06,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:18:06,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:18:06,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:18:06,262 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:18:06,262 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:18:06,263 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:18:06,263 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:18:06,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:18:06,263 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:18:06,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:18:06,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:18:06,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:18:06,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:18:06,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:18:06,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:18:06,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:18:06,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:18:06,266 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:18:06,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:18:06,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:18:06,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:18:06,267 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:18:06,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:18:06,267 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db322df1d89bf1549765f136e3e3b8000484c0c3108c31998992cf725d6dcc20 [2024-11-19 10:18:06,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:18:06,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:18:06,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:18:06,558 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:18:06,559 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:18:06,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i [2024-11-19 10:18:07,987 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:18:08,226 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:18:08,230 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i [2024-11-19 10:18:08,249 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/029be3e34/bbdb7b0db9cf465d95ac992b5334d31d/FLAG00ad7fb0d [2024-11-19 10:18:08,263 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/029be3e34/bbdb7b0db9cf465d95ac992b5334d31d [2024-11-19 10:18:08,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:18:08,266 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:18:08,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:18:08,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:18:08,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:18:08,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:18:08" (1/1) ... [2024-11-19 10:18:08,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ec144a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:08, skipping insertion in model container [2024-11-19 10:18:08,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:18:08" (1/1) ... [2024-11-19 10:18:08,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:18:08,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:18:08,701 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:18:08,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:18:08,796 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:18:08,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:08 WrapperNode [2024-11-19 10:18:08,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:18:08,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:18:08,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:18:08,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:18:08,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:08" (1/1) ... [2024-11-19 10:18:08,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:08" (1/1) ... [2024-11-19 10:18:08,860 INFO L138 Inliner]: procedures = 125, calls = 95, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 351 [2024-11-19 10:18:08,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:18:08,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:18:08,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:18:08,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:18:08,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:08" (1/1) ... [2024-11-19 10:18:08,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:08" (1/1) ... [2024-11-19 10:18:08,878 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:08" (1/1) ... [2024-11-19 10:18:08,903 INFO L175 MemorySlicer]: Split 66 memory accesses to 3 slices as follows [2, 54, 10]. 82 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 11 writes are split as follows [0, 6, 5]. [2024-11-19 10:18:08,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:08" (1/1) ... [2024-11-19 10:18:08,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:08" (1/1) ... [2024-11-19 10:18:08,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:08" (1/1) ... [2024-11-19 10:18:08,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:08" (1/1) ... [2024-11-19 10:18:08,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:08" (1/1) ... [2024-11-19 10:18:08,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:08" (1/1) ... [2024-11-19 10:18:08,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:18:08,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:18:08,932 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:18:08,932 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:18:08,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:08" (1/1) ... [2024-11-19 10:18:08,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:18:08,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:18:08,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 10:18:08,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 10:18:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 10:18:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 10:18:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 10:18:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 10:18:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 10:18:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 10:18:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 10:18:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:18:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 10:18:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 10:18:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 10:18:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 10:18:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 10:18:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 10:18:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 10:18:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:18:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 10:18:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 10:18:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:18:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:18:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure append [2024-11-19 10:18:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2024-11-19 10:18:09,136 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:18:09,138 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:18:09,513 INFO L? ?]: Removed 133 outVars from TransFormulas that were not future-live. [2024-11-19 10:18:09,513 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:18:09,527 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:18:09,527 INFO L316 CfgBuilder]: Removed 11 assume(true) statements. [2024-11-19 10:18:09,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:18:09 BoogieIcfgContainer [2024-11-19 10:18:09,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:18:09,531 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:18:09,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:18:09,536 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:18:09,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:18:08" (1/3) ... [2024-11-19 10:18:09,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55977a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:18:09, skipping insertion in model container [2024-11-19 10:18:09,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:08" (2/3) ... [2024-11-19 10:18:09,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55977a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:18:09, skipping insertion in model container [2024-11-19 10:18:09,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:18:09" (3/3) ... [2024-11-19 10:18:09,539 INFO L112 eAbstractionObserver]: Analyzing ICFG split_list_test05-2.i [2024-11-19 10:18:09,555 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:18:09,556 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-19 10:18:09,630 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:18:09,637 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;@2dd80f5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:18:09,637 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-19 10:18:09,642 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 62 states have (on average 1.6129032258064515) internal successors, (100), 68 states have internal predecessors, (100), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-19 10:18:09,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-19 10:18:09,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:18:09,654 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:18:09,655 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:18:09,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:18:09,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1394341398, now seen corresponding path program 1 times [2024-11-19 10:18:09,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:18:09,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480829442] [2024-11-19 10:18:09,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:18:09,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:18:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:18:10,212 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-19 10:18:10,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:18:10,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480829442] [2024-11-19 10:18:10,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480829442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:18:10,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:18:10,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:18:10,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618466606] [2024-11-19 10:18:10,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:18:10,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 10:18:10,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:18:10,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 10:18:10,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:18:10,263 INFO L87 Difference]: Start difference. First operand has 83 states, 62 states have (on average 1.6129032258064515) internal successors, (100), 68 states have internal predecessors, (100), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-19 10:18:10,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:18:10,317 INFO L93 Difference]: Finished difference Result 164 states and 258 transitions. [2024-11-19 10:18:10,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 10:18:10,319 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 83 [2024-11-19 10:18:10,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:18:10,325 INFO L225 Difference]: With dead ends: 164 [2024-11-19 10:18:10,325 INFO L226 Difference]: Without dead ends: 78 [2024-11-19 10:18:10,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:18:10,330 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:18:10,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:18:10,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-19 10:18:10,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-19 10:18:10,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 63 states have internal predecessors, (83), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-19 10:18:10,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 113 transitions. [2024-11-19 10:18:10,376 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 113 transitions. Word has length 83 [2024-11-19 10:18:10,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:18:10,376 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 113 transitions. [2024-11-19 10:18:10,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-19 10:18:10,376 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 113 transitions. [2024-11-19 10:18:10,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-19 10:18:10,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:18:10,381 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:18:10,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:18:10,382 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:18:10,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:18:10,382 INFO L85 PathProgramCache]: Analyzing trace with hash 333634168, now seen corresponding path program 1 times [2024-11-19 10:18:10,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:18:10,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339459878] [2024-11-19 10:18:10,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:18:10,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:18:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:18:12,214 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 1 proven. 121 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2024-11-19 10:18:12,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:18:12,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339459878] [2024-11-19 10:18:12,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339459878] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:18:12,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675185730] [2024-11-19 10:18:12,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:18:12,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:18:12,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:18:12,220 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:18:12,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:18:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:18:12,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 1793 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:18:12,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:18:12,967 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-11-19 10:18:12,967 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:18:12,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675185730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:18:12,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:18:12,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2024-11-19 10:18:12,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986667447] [2024-11-19 10:18:12,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:18:12,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:18:12,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:18:12,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:18:12,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:18:12,975 INFO L87 Difference]: Start difference. First operand 78 states and 113 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:13,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:18:13,036 INFO L93 Difference]: Finished difference Result 80 states and 115 transitions. [2024-11-19 10:18:13,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:18:13,036 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 125 [2024-11-19 10:18:13,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:18:13,040 INFO L225 Difference]: With dead ends: 80 [2024-11-19 10:18:13,043 INFO L226 Difference]: Without dead ends: 79 [2024-11-19 10:18:13,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:18:13,045 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 2 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:18:13,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 307 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:18:13,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-19 10:18:13,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2024-11-19 10:18:13,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.4137931034482758) internal successors, (82), 62 states have internal predecessors, (82), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-19 10:18:13,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 112 transitions. [2024-11-19 10:18:13,055 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 112 transitions. Word has length 125 [2024-11-19 10:18:13,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:18:13,057 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 112 transitions. [2024-11-19 10:18:13,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:13,058 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 112 transitions. [2024-11-19 10:18:13,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-19 10:18:13,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:18:13,060 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:18:13,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 10:18:13,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:18:13,262 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:18:13,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:18:13,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1752724810, now seen corresponding path program 1 times [2024-11-19 10:18:13,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:18:13,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399795782] [2024-11-19 10:18:13,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:18:13,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:18:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:18:14,546 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 1 proven. 121 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2024-11-19 10:18:14,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:18:14,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399795782] [2024-11-19 10:18:14,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399795782] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:18:14,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915773828] [2024-11-19 10:18:14,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:18:14,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:18:14,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:18:14,552 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:18:14,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:18:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:18:15,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 1794 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:18:15,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:18:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-11-19 10:18:15,300 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:18:15,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915773828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:18:15,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:18:15,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2024-11-19 10:18:15,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704441577] [2024-11-19 10:18:15,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:18:15,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:18:15,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:18:15,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:18:15,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:18:15,304 INFO L87 Difference]: Start difference. First operand 77 states and 112 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:15,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:18:15,338 INFO L93 Difference]: Finished difference Result 104 states and 146 transitions. [2024-11-19 10:18:15,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:18:15,339 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 126 [2024-11-19 10:18:15,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:18:15,341 INFO L225 Difference]: With dead ends: 104 [2024-11-19 10:18:15,341 INFO L226 Difference]: Without dead ends: 83 [2024-11-19 10:18:15,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:18:15,343 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 1 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:18:15,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 311 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:18:15,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-19 10:18:15,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2024-11-19 10:18:15,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 66 states have internal predecessors, (86), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-19 10:18:15,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 116 transitions. [2024-11-19 10:18:15,353 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 116 transitions. Word has length 126 [2024-11-19 10:18:15,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:18:15,354 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 116 transitions. [2024-11-19 10:18:15,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:15,354 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 116 transitions. [2024-11-19 10:18:15,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-19 10:18:15,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:18:15,356 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 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] [2024-11-19 10:18:15,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 10:18:15,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-19 10:18:15,561 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:18:15,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:18:15,562 INFO L85 PathProgramCache]: Analyzing trace with hash -509536434, now seen corresponding path program 1 times [2024-11-19 10:18:15,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:18:15,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843935536] [2024-11-19 10:18:15,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:18:15,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:18:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:18:16,784 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 1 proven. 121 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2024-11-19 10:18:16,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:18:16,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843935536] [2024-11-19 10:18:16,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843935536] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:18:16,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701514296] [2024-11-19 10:18:16,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:18:16,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:18:16,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:18:16,787 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:18:16,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:18:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:18:17,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 1812 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:18:17,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:18:17,464 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-11-19 10:18:17,464 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:18:17,583 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-11-19 10:18:17,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701514296] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:18:17,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:18:17,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 17 [2024-11-19 10:18:17,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198656371] [2024-11-19 10:18:17,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:18:17,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-19 10:18:17,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:18:17,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-19 10:18:17,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:18:17,587 INFO L87 Difference]: Start difference. First operand 81 states and 116 transitions. Second operand has 17 states, 17 states have (on average 5.529411764705882) internal successors, (94), 16 states have internal predecessors, (94), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-19 10:18:18,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:18:18,351 INFO L93 Difference]: Finished difference Result 207 states and 347 transitions. [2024-11-19 10:18:18,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 10:18:18,351 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.529411764705882) internal successors, (94), 16 states have internal predecessors, (94), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 130 [2024-11-19 10:18:18,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:18:18,355 INFO L225 Difference]: With dead ends: 207 [2024-11-19 10:18:18,355 INFO L226 Difference]: Without dead ends: 128 [2024-11-19 10:18:18,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:18:18,357 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 26 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:18:18,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 846 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:18:18,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-19 10:18:18,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 118. [2024-11-19 10:18:18,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 89 states have internal predecessors, (112), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2024-11-19 10:18:18,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 187 transitions. [2024-11-19 10:18:18,386 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 187 transitions. Word has length 130 [2024-11-19 10:18:18,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:18:18,387 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 187 transitions. [2024-11-19 10:18:18,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.529411764705882) internal successors, (94), 16 states have internal predecessors, (94), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-19 10:18:18,387 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 187 transitions. [2024-11-19 10:18:18,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-19 10:18:18,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:18:18,392 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 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] [2024-11-19 10:18:18,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:18:18,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:18:18,594 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:18:18,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:18:18,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1887397980, now seen corresponding path program 1 times [2024-11-19 10:18:18,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:18:18,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732125494] [2024-11-19 10:18:18,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:18:18,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:18:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:18:19,053 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2024-11-19 10:18:19,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:18:19,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732125494] [2024-11-19 10:18:19,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732125494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:18:19,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:18:19,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:18:19,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157236965] [2024-11-19 10:18:19,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:18:19,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:18:19,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:18:19,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:18:19,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:18:19,057 INFO L87 Difference]: Start difference. First operand 118 states and 187 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:19,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:18:19,092 INFO L93 Difference]: Finished difference Result 124 states and 193 transitions. [2024-11-19 10:18:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:18:19,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 148 [2024-11-19 10:18:19,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:18:19,096 INFO L225 Difference]: With dead ends: 124 [2024-11-19 10:18:19,096 INFO L226 Difference]: Without dead ends: 122 [2024-11-19 10:18:19,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:18:19,097 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 2 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:18:19,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 307 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:18:19,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-19 10:18:19,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-19 10:18:19,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 87 states have (on average 1.3333333333333333) internal successors, (116), 93 states have internal predecessors, (116), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2024-11-19 10:18:19,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 191 transitions. [2024-11-19 10:18:19,127 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 191 transitions. Word has length 148 [2024-11-19 10:18:19,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:18:19,128 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 191 transitions. [2024-11-19 10:18:19,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:19,129 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 191 transitions. [2024-11-19 10:18:19,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-19 10:18:19,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:18:19,131 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 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] [2024-11-19 10:18:19,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 10:18:19,132 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:18:19,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:18:19,132 INFO L85 PathProgramCache]: Analyzing trace with hash -669623144, now seen corresponding path program 1 times [2024-11-19 10:18:19,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:18:19,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668064200] [2024-11-19 10:18:19,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:18:19,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:18:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:18:19,552 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2024-11-19 10:18:19,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:18:19,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668064200] [2024-11-19 10:18:19,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668064200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:18:19,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:18:19,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:18:19,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107723272] [2024-11-19 10:18:19,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:18:19,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:18:19,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:18:19,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:18:19,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:18:19,556 INFO L87 Difference]: Start difference. First operand 122 states and 191 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:19,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:18:19,577 INFO L93 Difference]: Finished difference Result 149 states and 225 transitions. [2024-11-19 10:18:19,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:18:19,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 152 [2024-11-19 10:18:19,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:18:19,579 INFO L225 Difference]: With dead ends: 149 [2024-11-19 10:18:19,580 INFO L226 Difference]: Without dead ends: 125 [2024-11-19 10:18:19,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:18:19,582 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:18:19,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 315 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:18:19,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-19 10:18:19,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 124. [2024-11-19 10:18:19,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 89 states have (on average 1.3258426966292134) internal successors, (118), 95 states have internal predecessors, (118), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2024-11-19 10:18:19,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 193 transitions. [2024-11-19 10:18:19,607 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 193 transitions. Word has length 152 [2024-11-19 10:18:19,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:18:19,609 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 193 transitions. [2024-11-19 10:18:19,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:19,609 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 193 transitions. [2024-11-19 10:18:19,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-19 10:18:19,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:18:19,612 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 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] [2024-11-19 10:18:19,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 10:18:19,612 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:18:19,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:18:19,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1631199446, now seen corresponding path program 1 times [2024-11-19 10:18:19,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:18:19,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620440545] [2024-11-19 10:18:19,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:18:19,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:18:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:18:20,012 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2024-11-19 10:18:20,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:18:20,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620440545] [2024-11-19 10:18:20,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620440545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:18:20,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:18:20,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:18:20,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459516970] [2024-11-19 10:18:20,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:18:20,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:18:20,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:18:20,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:18:20,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:18:20,015 INFO L87 Difference]: Start difference. First operand 124 states and 193 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:20,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:18:20,034 INFO L93 Difference]: Finished difference Result 153 states and 229 transitions. [2024-11-19 10:18:20,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:18:20,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 152 [2024-11-19 10:18:20,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:18:20,036 INFO L225 Difference]: With dead ends: 153 [2024-11-19 10:18:20,036 INFO L226 Difference]: Without dead ends: 127 [2024-11-19 10:18:20,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:18:20,037 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:18:20,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 314 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:18:20,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-19 10:18:20,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 126. [2024-11-19 10:18:20,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 97 states have internal predecessors, (120), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2024-11-19 10:18:20,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 195 transitions. [2024-11-19 10:18:20,050 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 195 transitions. Word has length 152 [2024-11-19 10:18:20,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:18:20,050 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 195 transitions. [2024-11-19 10:18:20,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:20,051 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 195 transitions. [2024-11-19 10:18:20,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-19 10:18:20,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:18:20,053 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 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] [2024-11-19 10:18:20,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 10:18:20,053 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:18:20,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:18:20,054 INFO L85 PathProgramCache]: Analyzing trace with hash 610131092, now seen corresponding path program 1 times [2024-11-19 10:18:20,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:18:20,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625616250] [2024-11-19 10:18:20,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:18:20,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:18:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:18:20,389 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2024-11-19 10:18:20,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:18:20,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625616250] [2024-11-19 10:18:20,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625616250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:18:20,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:18:20,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:18:20,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112907588] [2024-11-19 10:18:20,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:18:20,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:18:20,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:18:20,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:18:20,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:18:20,397 INFO L87 Difference]: Start difference. First operand 126 states and 195 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:20,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:18:20,419 INFO L93 Difference]: Finished difference Result 157 states and 233 transitions. [2024-11-19 10:18:20,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:18:20,419 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 152 [2024-11-19 10:18:20,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:18:20,421 INFO L225 Difference]: With dead ends: 157 [2024-11-19 10:18:20,421 INFO L226 Difference]: Without dead ends: 129 [2024-11-19 10:18:20,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:18:20,422 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:18:20,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 314 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:18:20,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-19 10:18:20,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 128. [2024-11-19 10:18:20,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 93 states have (on average 1.3118279569892473) internal successors, (122), 99 states have internal predecessors, (122), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2024-11-19 10:18:20,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 197 transitions. [2024-11-19 10:18:20,431 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 197 transitions. Word has length 152 [2024-11-19 10:18:20,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:18:20,432 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 197 transitions. [2024-11-19 10:18:20,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:20,432 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 197 transitions. [2024-11-19 10:18:20,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-19 10:18:20,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:18:20,434 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 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] [2024-11-19 10:18:20,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 10:18:20,434 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:18:20,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:18:20,435 INFO L85 PathProgramCache]: Analyzing trace with hash -400986158, now seen corresponding path program 1 times [2024-11-19 10:18:20,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:18:20,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404835816] [2024-11-19 10:18:20,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:18:20,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:18:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:18:20,794 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2024-11-19 10:18:20,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:18:20,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404835816] [2024-11-19 10:18:20,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404835816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:18:20,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:18:20,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:18:20,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99063182] [2024-11-19 10:18:20,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:18:20,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:18:20,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:18:20,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:18:20,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:18:20,797 INFO L87 Difference]: Start difference. First operand 128 states and 197 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:20,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:18:20,816 INFO L93 Difference]: Finished difference Result 161 states and 237 transitions. [2024-11-19 10:18:20,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:18:20,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 152 [2024-11-19 10:18:20,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:18:20,819 INFO L225 Difference]: With dead ends: 161 [2024-11-19 10:18:20,819 INFO L226 Difference]: Without dead ends: 131 [2024-11-19 10:18:20,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:18:20,820 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:18:20,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 316 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:18:20,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-19 10:18:20,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 130. [2024-11-19 10:18:20,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 95 states have (on average 1.305263157894737) internal successors, (124), 101 states have internal predecessors, (124), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2024-11-19 10:18:20,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 199 transitions. [2024-11-19 10:18:20,834 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 199 transitions. Word has length 152 [2024-11-19 10:18:20,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:18:20,834 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 199 transitions. [2024-11-19 10:18:20,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:20,835 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 199 transitions. [2024-11-19 10:18:20,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-19 10:18:20,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:18:20,838 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 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] [2024-11-19 10:18:20,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 10:18:20,838 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:18:20,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:18:20,839 INFO L85 PathProgramCache]: Analyzing trace with hash -142820720, now seen corresponding path program 1 times [2024-11-19 10:18:20,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:18:20,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038346636] [2024-11-19 10:18:20,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:18:20,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:18:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:18:21,295 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-11-19 10:18:21,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:18:21,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038346636] [2024-11-19 10:18:21,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038346636] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:18:21,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301366914] [2024-11-19 10:18:21,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:18:21,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:18:21,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:18:21,298 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:18:21,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:18:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:18:22,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 1835 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:18:22,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:18:22,139 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-11-19 10:18:22,139 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:18:22,267 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-11-19 10:18:22,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301366914] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:18:22,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:18:22,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-19 10:18:22,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202579837] [2024-11-19 10:18:22,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:18:22,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:18:22,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:18:22,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:18:22,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:18:22,271 INFO L87 Difference]: Start difference. First operand 130 states and 199 transitions. Second operand has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:22,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:18:22,342 INFO L93 Difference]: Finished difference Result 174 states and 252 transitions. [2024-11-19 10:18:22,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 10:18:22,342 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 152 [2024-11-19 10:18:22,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:18:22,344 INFO L225 Difference]: With dead ends: 174 [2024-11-19 10:18:22,344 INFO L226 Difference]: Without dead ends: 142 [2024-11-19 10:18:22,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:18:22,345 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 6 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:18:22,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 513 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:18:22,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-19 10:18:22,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-11-19 10:18:22,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 107 states have (on average 1.2710280373831775) internal successors, (136), 113 states have internal predecessors, (136), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2024-11-19 10:18:22,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 211 transitions. [2024-11-19 10:18:22,355 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 211 transitions. Word has length 152 [2024-11-19 10:18:22,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:18:22,355 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 211 transitions. [2024-11-19 10:18:22,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:22,356 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 211 transitions. [2024-11-19 10:18:22,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-19 10:18:22,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:18:22,358 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 5, 5, 5, 5, 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] [2024-11-19 10:18:22,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 10:18:22,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:18:22,559 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:18:22,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:18:22,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1903610980, now seen corresponding path program 2 times [2024-11-19 10:18:22,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:18:22,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798018814] [2024-11-19 10:18:22,560 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:18:22,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:18:22,659 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:18:22,659 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:18:22,751 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-11-19 10:18:22,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:18:22,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798018814] [2024-11-19 10:18:22,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798018814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:18:22,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:18:22,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:18:22,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685545956] [2024-11-19 10:18:22,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:18:22,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:18:22,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:18:22,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:18:22,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:18:22,754 INFO L87 Difference]: Start difference. First operand 142 states and 211 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:22,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:18:22,777 INFO L93 Difference]: Finished difference Result 156 states and 226 transitions. [2024-11-19 10:18:22,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:18:22,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 164 [2024-11-19 10:18:22,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:18:22,779 INFO L225 Difference]: With dead ends: 156 [2024-11-19 10:18:22,779 INFO L226 Difference]: Without dead ends: 145 [2024-11-19 10:18:22,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:18:22,780 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:18:22,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 425 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:18:22,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-19 10:18:22,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-11-19 10:18:22,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 110 states have (on average 1.2636363636363637) internal successors, (139), 116 states have internal predecessors, (139), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2024-11-19 10:18:22,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 214 transitions. [2024-11-19 10:18:22,789 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 214 transitions. Word has length 164 [2024-11-19 10:18:22,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:18:22,789 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 214 transitions. [2024-11-19 10:18:22,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:22,790 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 214 transitions. [2024-11-19 10:18:22,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-19 10:18:22,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:18:22,792 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 5, 5, 5, 5, 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] [2024-11-19 10:18:22,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 10:18:22,792 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:18:22,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:18:22,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1612764954, now seen corresponding path program 1 times [2024-11-19 10:18:22,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:18:22,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987446586] [2024-11-19 10:18:22,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:18:22,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:18:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:18:23,662 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-11-19 10:18:23,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:18:23,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987446586] [2024-11-19 10:18:23,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987446586] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:18:23,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384005421] [2024-11-19 10:18:23,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:18:23,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:18:23,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:18:23,667 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:18:23,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:18:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:18:24,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 1964 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 10:18:24,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:18:24,751 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-11-19 10:18:24,751 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:18:24,923 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-11-19 10:18:24,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384005421] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:18:24,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:18:24,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 15 [2024-11-19 10:18:24,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783873006] [2024-11-19 10:18:24,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:18:24,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 10:18:24,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:18:24,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 10:18:24,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:18:24,926 INFO L87 Difference]: Start difference. First operand 145 states and 214 transitions. Second operand has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:24,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:18:24,995 INFO L93 Difference]: Finished difference Result 184 states and 260 transitions. [2024-11-19 10:18:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 10:18:24,996 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 164 [2024-11-19 10:18:24,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:18:24,997 INFO L225 Difference]: With dead ends: 184 [2024-11-19 10:18:24,998 INFO L226 Difference]: Without dead ends: 149 [2024-11-19 10:18:24,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 315 SyntacticMatches, 11 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:18:24,999 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 6 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:18:24,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 721 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:18:25,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-19 10:18:25,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-11-19 10:18:25,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 114 states have (on average 1.2543859649122806) internal successors, (143), 120 states have internal predecessors, (143), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2024-11-19 10:18:25,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 218 transitions. [2024-11-19 10:18:25,010 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 218 transitions. Word has length 164 [2024-11-19 10:18:25,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:18:25,010 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 218 transitions. [2024-11-19 10:18:25,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:25,011 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 218 transitions. [2024-11-19 10:18:25,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-19 10:18:25,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:18:25,013 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 6, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:18:25,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-19 10:18:25,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-19 10:18:25,214 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:18:25,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:18:25,215 INFO L85 PathProgramCache]: Analyzing trace with hash -976111638, now seen corresponding path program 2 times [2024-11-19 10:18:25,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:18:25,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426863110] [2024-11-19 10:18:25,215 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:18:25,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:18:25,408 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:18:25,408 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:18:25,734 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2024-11-19 10:18:25,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:18:25,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426863110] [2024-11-19 10:18:25,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426863110] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:18:25,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659531288] [2024-11-19 10:18:25,734 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:18:25,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:18:25,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:18:25,736 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:18:25,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:18:26,957 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:18:26,958 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:18:26,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 1982 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:18:26,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:18:27,025 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2024-11-19 10:18:27,025 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:18:27,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659531288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:18:27,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:18:27,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-19 10:18:27,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489194696] [2024-11-19 10:18:27,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:18:27,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:18:27,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:18:27,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:18:27,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:18:27,028 INFO L87 Difference]: Start difference. First operand 149 states and 218 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:27,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:18:27,060 INFO L93 Difference]: Finished difference Result 149 states and 218 transitions. [2024-11-19 10:18:27,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:18:27,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 168 [2024-11-19 10:18:27,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:18:27,062 INFO L225 Difference]: With dead ends: 149 [2024-11-19 10:18:27,062 INFO L226 Difference]: Without dead ends: 148 [2024-11-19 10:18:27,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:18:27,063 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 2 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:18:27,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 405 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:18:27,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-19 10:18:27,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2024-11-19 10:18:27,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 114 states have (on average 1.2456140350877194) internal successors, (142), 119 states have internal predecessors, (142), 30 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2024-11-19 10:18:27,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 217 transitions. [2024-11-19 10:18:27,072 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 217 transitions. Word has length 168 [2024-11-19 10:18:27,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:18:27,073 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 217 transitions. [2024-11-19 10:18:27,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:27,073 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 217 transitions. [2024-11-19 10:18:27,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-19 10:18:27,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:18:27,075 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:18:27,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 10:18:27,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:18:27,276 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:18:27,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:18:27,276 INFO L85 PathProgramCache]: Analyzing trace with hash -194689445, now seen corresponding path program 1 times [2024-11-19 10:18:27,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:18:27,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124367911] [2024-11-19 10:18:27,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:18:27,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:18:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:18:27,600 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2024-11-19 10:18:27,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:18:27,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124367911] [2024-11-19 10:18:27,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124367911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:18:27,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:18:27,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:18:27,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754163660] [2024-11-19 10:18:27,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:18:27,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:18:27,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:18:27,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:18:27,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:18:27,603 INFO L87 Difference]: Start difference. First operand 148 states and 217 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:27,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:18:27,627 INFO L93 Difference]: Finished difference Result 148 states and 217 transitions. [2024-11-19 10:18:27,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:18:27,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 169 [2024-11-19 10:18:27,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:18:27,628 INFO L225 Difference]: With dead ends: 148 [2024-11-19 10:18:27,628 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 10:18:27,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:18:27,630 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 1 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:18:27,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 303 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:18:27,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 10:18:27,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 10:18:27,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:18:27,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 10:18:27,632 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2024-11-19 10:18:27,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:18:27,632 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 10:18:27,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 10:18:27,632 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 10:18:27,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 10:18:27,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-19 10:18:27,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-19 10:18:27,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-19 10:18:27,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-19 10:18:27,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 10:18:27,639 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:18:27,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 10:18:27,715 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 10:18:27,736 WARN L156 FloydHoareUtils]: Requires clause for append contained old-variable. Original clause: (= |old(#memory_$Pointer$#2.base)| |#memory_$Pointer$#2.base|) Eliminated clause: true [2024-11-19 10:18:27,742 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-19 10:18:27,743 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL]] [2024-11-19 10:18:27,743 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL]],[IdentifierExpression[#in~head!base,]]] [2024-11-19 10:18:27,743 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-19 10:18:27,743 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-19 10:18:27,744 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[#in~head!base,]]] [2024-11-19 10:18:27,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:18:27 BoogieIcfgContainer [2024-11-19 10:18:27,747 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 10:18:27,748 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 10:18:27,748 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 10:18:27,748 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 10:18:27,749 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:18:09" (3/4) ... [2024-11-19 10:18:27,751 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 10:18:27,755 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure append [2024-11-19 10:18:27,763 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-19 10:18:27,764 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 10:18:27,765 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 10:18:27,765 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 10:18:27,894 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 10:18:27,895 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 10:18:27,895 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 10:18:27,896 INFO L158 Benchmark]: Toolchain (without parser) took 19629.52ms. Allocated memory was 134.2MB in the beginning and 885.0MB in the end (delta: 750.8MB). Free memory was 63.1MB in the beginning and 480.8MB in the end (delta: -417.7MB). Peak memory consumption was 334.2MB. Max. memory is 16.1GB. [2024-11-19 10:18:27,896 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 134.2MB. Free memory was 106.0MB in the beginning and 105.9MB in the end (delta: 148.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:18:27,896 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.77ms. Allocated memory was 134.2MB in the beginning and 188.7MB in the end (delta: 54.5MB). Free memory was 63.0MB in the beginning and 142.4MB in the end (delta: -79.5MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-11-19 10:18:27,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.90ms. Allocated memory is still 188.7MB. Free memory was 142.4MB in the beginning and 139.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 10:18:27,897 INFO L158 Benchmark]: Boogie Preprocessor took 69.89ms. Allocated memory is still 188.7MB. Free memory was 139.2MB in the beginning and 133.9MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 10:18:27,897 INFO L158 Benchmark]: RCFGBuilder took 596.97ms. Allocated memory is still 188.7MB. Free memory was 133.9MB in the beginning and 102.6MB in the end (delta: 31.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-19 10:18:27,898 INFO L158 Benchmark]: TraceAbstraction took 18215.69ms. Allocated memory was 188.7MB in the beginning and 885.0MB in the end (delta: 696.3MB). Free memory was 102.6MB in the beginning and 489.2MB in the end (delta: -386.6MB). Peak memory consumption was 309.6MB. Max. memory is 16.1GB. [2024-11-19 10:18:27,898 INFO L158 Benchmark]: Witness Printer took 147.39ms. Allocated memory is still 885.0MB. Free memory was 489.2MB in the beginning and 480.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-19 10:18:27,899 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04ms. Allocated memory is still 134.2MB. Free memory was 106.0MB in the beginning and 105.9MB in the end (delta: 148.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.77ms. Allocated memory was 134.2MB in the beginning and 188.7MB in the end (delta: 54.5MB). Free memory was 63.0MB in the beginning and 142.4MB in the end (delta: -79.5MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.90ms. Allocated memory is still 188.7MB. Free memory was 142.4MB in the beginning and 139.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.89ms. Allocated memory is still 188.7MB. Free memory was 139.2MB in the beginning and 133.9MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 596.97ms. Allocated memory is still 188.7MB. Free memory was 133.9MB in the beginning and 102.6MB in the end (delta: 31.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 18215.69ms. Allocated memory was 188.7MB in the beginning and 885.0MB in the end (delta: 696.3MB). Free memory was 102.6MB in the beginning and 489.2MB in the end (delta: -386.6MB). Peak memory consumption was 309.6MB. Max. memory is 16.1GB. * Witness Printer took 147.39ms. Allocated memory is still 885.0MB. Free memory was 489.2MB in the beginning and 480.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL]],[IdentifierExpression[#in~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[#in~head!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 83 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 18.0s, OverallIterations: 14, TraceHistogramMax: 15, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 5516 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4039 mSDsCounter, 109 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 885 IncrementalHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 109 mSolverCounterUnsat, 1477 mSDtfsCounter, 885 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1390 GetRequests, 1294 SyntacticMatches, 11 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred in iteration=12, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 18 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 2902 NumberOfCodeBlocks, 2784 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3325 ConstructedInterpolants, 0 QuantifiedInterpolants, 3939 SizeOfPredicates, 0 NumberOfNonLiveVariables, 11180 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 23 InterpolantComputations, 11 PerfectInterpolantSequences, 11834/12361 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: ((0 <= counter) && (counter <= 2147483646)) - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: (0 < (2147483649 + counter)) - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2024-11-19 10:18:27,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE