./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.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 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 23:16:25,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 23:16:25,256 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 23:16:25,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 23:16:25,264 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 23:16:25,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 23:16:25,302 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 23:16:25,303 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 23:16:25,303 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 23:16:25,304 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 23:16:25,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 23:16:25,305 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 23:16:25,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 23:16:25,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 23:16:25,306 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 23:16:25,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 23:16:25,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 23:16:25,307 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 23:16:25,307 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 23:16:25,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 23:16:25,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 23:16:25,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 23:16:25,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 23:16:25,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 23:16:25,309 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 23:16:25,310 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 23:16:25,310 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 23:16:25,310 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 23:16:25,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 23:16:25,311 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 23:16:25,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 23:16:25,311 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 23:16:25,312 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 23:16:25,312 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 23:16:25,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:16:25,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 23:16:25,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 23:16:25,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 23:16:25,316 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 23:16:25,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 23:16:25,317 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 23:16:25,317 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 23:16:25,318 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 23:16:25,318 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 23:16:25,318 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2024-10-24 23:16:25,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 23:16:25,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 23:16:25,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 23:16:25,594 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 23:16:25,595 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 23:16:25,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i [2024-10-24 23:16:26,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 23:16:27,227 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 23:16:27,228 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i [2024-10-24 23:16:27,249 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e360ec326/eca6b86f654c4bb293f6af319cb38cc7/FLAG99df133f0 [2024-10-24 23:16:27,262 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e360ec326/eca6b86f654c4bb293f6af319cb38cc7 [2024-10-24 23:16:27,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 23:16:27,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 23:16:27,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 23:16:27,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 23:16:27,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 23:16:27,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:16:27" (1/1) ... [2024-10-24 23:16:27,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b33225d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27, skipping insertion in model container [2024-10-24 23:16:27,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:16:27" (1/1) ... [2024-10-24 23:16:27,322 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 23:16:27,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:16:27,836 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 23:16:27,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:16:27,986 INFO L204 MainTranslator]: Completed translation [2024-10-24 23:16:27,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27 WrapperNode [2024-10-24 23:16:27,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 23:16:27,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 23:16:27,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 23:16:27,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 23:16:27,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2024-10-24 23:16:28,036 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2024-10-24 23:16:28,109 INFO L138 Inliner]: procedures = 176, calls = 221, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 971 [2024-10-24 23:16:28,110 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 23:16:28,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 23:16:28,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 23:16:28,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 23:16:28,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2024-10-24 23:16:28,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2024-10-24 23:16:28,135 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2024-10-24 23:16:28,214 INFO L175 MemorySlicer]: Split 206 memory accesses to 2 slices as follows [2, 204]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 50 writes are split as follows [0, 50]. [2024-10-24 23:16:28,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2024-10-24 23:16:28,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2024-10-24 23:16:28,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2024-10-24 23:16:28,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2024-10-24 23:16:28,257 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2024-10-24 23:16:28,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2024-10-24 23:16:28,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 23:16:28,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 23:16:28,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 23:16:28,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 23:16:28,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2024-10-24 23:16:28,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:16:28,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:16:28,327 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) [2024-10-24 23:16:28,330 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 [2024-10-24 23:16:28,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 23:16:28,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 23:16:28,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 23:16:28,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 23:16:28,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 23:16:28,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 23:16:28,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 23:16:28,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 23:16:28,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 23:16:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 23:16:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 23:16:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 23:16:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 23:16:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 23:16:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 23:16:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 23:16:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 23:16:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 23:16:28,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 23:16:28,691 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 23:16:28,694 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 23:16:29,750 INFO L? ?]: Removed 230 outVars from TransFormulas that were not future-live. [2024-10-24 23:16:29,750 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 23:16:29,791 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 23:16:29,793 INFO L314 CfgBuilder]: Removed 40 assume(true) statements. [2024-10-24 23:16:29,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:16:29 BoogieIcfgContainer [2024-10-24 23:16:29,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 23:16:29,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 23:16:29,797 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 23:16:29,800 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 23:16:29,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:16:27" (1/3) ... [2024-10-24 23:16:29,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d64d537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:16:29, skipping insertion in model container [2024-10-24 23:16:29,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (2/3) ... [2024-10-24 23:16:29,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d64d537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:16:29, skipping insertion in model container [2024-10-24 23:16:29,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:16:29" (3/3) ... [2024-10-24 23:16:29,804 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test1-2.i [2024-10-24 23:16:29,820 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 23:16:29,821 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-24 23:16:29,895 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 23:16:29,902 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;@7d889bb6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 23:16:29,902 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-24 23:16:29,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 252 states, 241 states have (on average 1.6307053941908713) internal successors, (393), 247 states have internal predecessors, (393), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 23:16:29,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-24 23:16:29,914 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:29,914 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-24 23:16:29,915 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:29,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:29,920 INFO L85 PathProgramCache]: Analyzing trace with hash 912994085, now seen corresponding path program 1 times [2024-10-24 23:16:29,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:29,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360561816] [2024-10-24 23:16:29,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:29,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:30,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:16:30,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:30,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360561816] [2024-10-24 23:16:30,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360561816] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:16:30,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:16:30,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:16:30,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27121279] [2024-10-24 23:16:30,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:16:30,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:16:30,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:30,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:16:30,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:16:30,160 INFO L87 Difference]: Start difference. First operand has 252 states, 241 states have (on average 1.6307053941908713) internal successors, (393), 247 states have internal predecessors, (393), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:16:30,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:30,287 INFO L93 Difference]: Finished difference Result 700 states and 1116 transitions. [2024-10-24 23:16:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:16:30,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-24 23:16:30,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:30,306 INFO L225 Difference]: With dead ends: 700 [2024-10-24 23:16:30,307 INFO L226 Difference]: Without dead ends: 410 [2024-10-24 23:16:30,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:16:30,313 INFO L432 NwaCegarLoop]: 387 mSDtfsCounter, 278 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:30,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 729 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:16:30,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-10-24 23:16:30,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 213. [2024-10-24 23:16:30,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 203 states have (on average 1.4532019704433496) internal successors, (295), 208 states have internal predecessors, (295), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 23:16:30,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 301 transitions. [2024-10-24 23:16:30,366 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 301 transitions. Word has length 5 [2024-10-24 23:16:30,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:30,367 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 301 transitions. [2024-10-24 23:16:30,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:16:30,367 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 301 transitions. [2024-10-24 23:16:30,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-24 23:16:30,367 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:30,368 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-24 23:16:30,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 23:16:30,368 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:30,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:30,369 INFO L85 PathProgramCache]: Analyzing trace with hash 912320641, now seen corresponding path program 1 times [2024-10-24 23:16:30,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:30,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018423009] [2024-10-24 23:16:30,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:30,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:30,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:16:30,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:30,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018423009] [2024-10-24 23:16:30,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018423009] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:16:30,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:16:30,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:16:30,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066893726] [2024-10-24 23:16:30,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:16:30,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:16:30,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:30,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:16:30,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:16:30,654 INFO L87 Difference]: Start difference. First operand 213 states and 301 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:16:30,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:30,711 INFO L93 Difference]: Finished difference Result 218 states and 307 transitions. [2024-10-24 23:16:30,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:16:30,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-24 23:16:30,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:30,713 INFO L225 Difference]: With dead ends: 218 [2024-10-24 23:16:30,714 INFO L226 Difference]: Without dead ends: 217 [2024-10-24 23:16:30,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:16:30,716 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 3 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:30,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 873 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:16:30,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-10-24 23:16:30,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 216. [2024-10-24 23:16:30,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 206 states have (on average 1.4466019417475728) internal successors, (298), 211 states have internal predecessors, (298), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 23:16:30,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 304 transitions. [2024-10-24 23:16:30,734 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 304 transitions. Word has length 5 [2024-10-24 23:16:30,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:30,735 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 304 transitions. [2024-10-24 23:16:30,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:16:30,735 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 304 transitions. [2024-10-24 23:16:30,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 23:16:30,736 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:30,736 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 23:16:30,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 23:16:30,737 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:30,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:30,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1782831134, now seen corresponding path program 1 times [2024-10-24 23:16:30,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:30,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644622002] [2024-10-24 23:16:30,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:30,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:30,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:16:30,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:30,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644622002] [2024-10-24 23:16:30,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644622002] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:16:30,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:16:30,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:16:30,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128145683] [2024-10-24 23:16:30,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:16:30,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:16:30,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:30,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:16:30,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:16:30,866 INFO L87 Difference]: Start difference. First operand 216 states and 304 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:16:30,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:30,910 INFO L93 Difference]: Finished difference Result 218 states and 306 transitions. [2024-10-24 23:16:30,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:16:30,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-24 23:16:30,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:30,912 INFO L225 Difference]: With dead ends: 218 [2024-10-24 23:16:30,912 INFO L226 Difference]: Without dead ends: 217 [2024-10-24 23:16:30,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:16:30,913 INFO L432 NwaCegarLoop]: 295 mSDtfsCounter, 2 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:30,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 874 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:16:30,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-10-24 23:16:30,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2024-10-24 23:16:30,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 207 states have (on average 1.4444444444444444) internal successors, (299), 212 states have internal predecessors, (299), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 23:16:30,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 305 transitions. [2024-10-24 23:16:30,923 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 305 transitions. Word has length 6 [2024-10-24 23:16:30,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:30,923 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 305 transitions. [2024-10-24 23:16:30,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:16:30,924 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 305 transitions. [2024-10-24 23:16:30,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 23:16:30,927 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:30,927 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:16:30,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 23:16:30,927 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:30,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:30,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1545858781, now seen corresponding path program 1 times [2024-10-24 23:16:30,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:30,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724412990] [2024-10-24 23:16:30,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:30,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:31,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:16:31,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:31,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724412990] [2024-10-24 23:16:31,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724412990] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:16:31,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:16:31,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 23:16:31,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419630410] [2024-10-24 23:16:31,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:16:31,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 23:16:31,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:31,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 23:16:31,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:16:31,247 INFO L87 Difference]: Start difference. First operand 217 states and 305 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2024-10-24 23:16:31,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:31,343 INFO L93 Difference]: Finished difference Result 431 states and 607 transitions. [2024-10-24 23:16:31,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:16:31,344 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-10-24 23:16:31,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:31,345 INFO L225 Difference]: With dead ends: 431 [2024-10-24 23:16:31,345 INFO L226 Difference]: Without dead ends: 220 [2024-10-24 23:16:31,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:16:31,349 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 87 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:31,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 974 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:16:31,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-24 23:16:31,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 217. [2024-10-24 23:16:31,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 207 states have (on average 1.4106280193236715) internal successors, (292), 212 states have internal predecessors, (292), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 23:16:31,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 298 transitions. [2024-10-24 23:16:31,361 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 298 transitions. Word has length 79 [2024-10-24 23:16:31,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:31,361 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 298 transitions. [2024-10-24 23:16:31,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2024-10-24 23:16:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 298 transitions. [2024-10-24 23:16:31,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 23:16:31,364 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:31,364 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:16:31,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 23:16:31,364 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:31,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:31,365 INFO L85 PathProgramCache]: Analyzing trace with hash 2114998481, now seen corresponding path program 1 times [2024-10-24 23:16:31,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:31,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516494106] [2024-10-24 23:16:31,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:31,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:31,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:16:31,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:31,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516494106] [2024-10-24 23:16:31,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516494106] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:16:31,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:16:31,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 23:16:31,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139781514] [2024-10-24 23:16:31,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:16:31,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:16:31,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:31,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:16:31,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:16:31,550 INFO L87 Difference]: Start difference. First operand 217 states and 298 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2024-10-24 23:16:31,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:31,620 INFO L93 Difference]: Finished difference Result 434 states and 599 transitions. [2024-10-24 23:16:31,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:16:31,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-10-24 23:16:31,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:31,622 INFO L225 Difference]: With dead ends: 434 [2024-10-24 23:16:31,622 INFO L226 Difference]: Without dead ends: 223 [2024-10-24 23:16:31,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:16:31,624 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 1 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:31,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 547 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:16:31,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-10-24 23:16:31,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-10-24 23:16:31,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 213 states have (on average 1.3990610328638498) internal successors, (298), 218 states have internal predecessors, (298), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 23:16:31,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 304 transitions. [2024-10-24 23:16:31,632 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 304 transitions. Word has length 79 [2024-10-24 23:16:31,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:31,632 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 304 transitions. [2024-10-24 23:16:31,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2024-10-24 23:16:31,633 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 304 transitions. [2024-10-24 23:16:31,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 23:16:31,635 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:31,635 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:16:31,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 23:16:31,636 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:31,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:31,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1698888557, now seen corresponding path program 1 times [2024-10-24 23:16:31,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:31,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481434677] [2024-10-24 23:16:31,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:31,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:31,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:16:31,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:31,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481434677] [2024-10-24 23:16:31,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481434677] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:16:31,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:16:31,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:16:31,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381241970] [2024-10-24 23:16:31,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:16:31,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:16:31,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:31,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:16:31,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:16:31,783 INFO L87 Difference]: Start difference. First operand 223 states and 304 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 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) [2024-10-24 23:16:31,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:31,840 INFO L93 Difference]: Finished difference Result 573 states and 795 transitions. [2024-10-24 23:16:31,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:16:31,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-10-24 23:16:31,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:31,844 INFO L225 Difference]: With dead ends: 573 [2024-10-24 23:16:31,844 INFO L226 Difference]: Without dead ends: 356 [2024-10-24 23:16:31,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:16:31,847 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 134 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:31,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 571 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:16:31,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-10-24 23:16:31,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2024-10-24 23:16:31,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 346 states have (on average 1.416184971098266) internal successors, (490), 351 states have internal predecessors, (490), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-24 23:16:31,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 496 transitions. [2024-10-24 23:16:31,862 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 496 transitions. Word has length 79 [2024-10-24 23:16:31,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:31,862 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 496 transitions. [2024-10-24 23:16:31,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 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) [2024-10-24 23:16:31,863 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 496 transitions. [2024-10-24 23:16:31,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 23:16:31,865 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:31,866 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:16:31,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 23:16:31,866 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:31,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:31,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1567027368, now seen corresponding path program 1 times [2024-10-24 23:16:31,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:31,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080510964] [2024-10-24 23:16:31,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:31,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:32,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:16:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:32,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:16:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:32,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:32,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:32,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080510964] [2024-10-24 23:16:32,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080510964] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:16:32,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:16:32,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:16:32,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178959305] [2024-10-24 23:16:32,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:16:32,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 23:16:32,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:32,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 23:16:32,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:16:32,127 INFO L87 Difference]: Start difference. First operand 356 states and 496 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 23:16:32,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:32,389 INFO L93 Difference]: Finished difference Result 424 states and 590 transitions. [2024-10-24 23:16:32,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:16:32,390 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 92 [2024-10-24 23:16:32,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:32,394 INFO L225 Difference]: With dead ends: 424 [2024-10-24 23:16:32,394 INFO L226 Difference]: Without dead ends: 422 [2024-10-24 23:16:32,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:16:32,395 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 188 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 1087 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:32,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 1087 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 23:16:32,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-10-24 23:16:32,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 420. [2024-10-24 23:16:32,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 407 states have (on average 1.3955773955773956) internal successors, (568), 412 states have internal predecessors, (568), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 23:16:32,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 580 transitions. [2024-10-24 23:16:32,441 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 580 transitions. Word has length 92 [2024-10-24 23:16:32,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:32,442 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 580 transitions. [2024-10-24 23:16:32,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 23:16:32,443 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 580 transitions. [2024-10-24 23:16:32,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-24 23:16:32,449 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:32,450 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:16:32,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 23:16:32,450 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:32,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:32,450 INFO L85 PathProgramCache]: Analyzing trace with hash -402334146, now seen corresponding path program 1 times [2024-10-24 23:16:32,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:32,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84672536] [2024-10-24 23:16:32,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:32,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:32,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:16:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:32,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:16:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:32,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:32,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84672536] [2024-10-24 23:16:32,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84672536] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:16:32,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536068766] [2024-10-24 23:16:32,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:32,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:16:32,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:16:32,706 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) [2024-10-24 23:16:32,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 23:16:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:32,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 23:16:32,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:16:33,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:33,167 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 23:16:33,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:33,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536068766] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 23:16:33,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 23:16:33,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-10-24 23:16:33,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045067149] [2024-10-24 23:16:33,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 23:16:33,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 23:16:33,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:33,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 23:16:33,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-24 23:16:33,332 INFO L87 Difference]: Start difference. First operand 420 states and 580 transitions. Second operand has 11 states, 11 states have (on average 23.90909090909091) internal successors, (263), 10 states have internal predecessors, (263), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 23:16:33,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:33,642 INFO L93 Difference]: Finished difference Result 636 states and 888 transitions. [2024-10-24 23:16:33,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 23:16:33,643 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 23.90909090909091) internal successors, (263), 10 states have internal predecessors, (263), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 97 [2024-10-24 23:16:33,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:33,648 INFO L225 Difference]: With dead ends: 636 [2024-10-24 23:16:33,648 INFO L226 Difference]: Without dead ends: 629 [2024-10-24 23:16:33,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-24 23:16:33,650 INFO L432 NwaCegarLoop]: 326 mSDtfsCounter, 1294 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1308 SdHoareTripleChecker+Valid, 1473 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:33,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1308 Valid, 1473 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 23:16:33,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2024-10-24 23:16:33,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 625. [2024-10-24 23:16:33,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 609 states have (on average 1.3957307060755337) internal successors, (850), 614 states have internal predecessors, (850), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 23:16:33,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 868 transitions. [2024-10-24 23:16:33,673 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 868 transitions. Word has length 97 [2024-10-24 23:16:33,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:33,674 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 868 transitions. [2024-10-24 23:16:33,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 23.90909090909091) internal successors, (263), 10 states have internal predecessors, (263), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 23:16:33,674 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 868 transitions. [2024-10-24 23:16:33,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-24 23:16:33,676 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:33,676 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:16:33,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 23:16:33,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:16:33,877 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:33,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:33,878 INFO L85 PathProgramCache]: Analyzing trace with hash -403007590, now seen corresponding path program 1 times [2024-10-24 23:16:33,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:33,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066966451] [2024-10-24 23:16:33,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:33,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:34,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:16:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:34,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:16:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:34,570 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:34,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:34,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066966451] [2024-10-24 23:16:34,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066966451] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:16:34,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782839219] [2024-10-24 23:16:34,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:34,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:16:34,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:16:34,572 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) [2024-10-24 23:16:34,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 23:16:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:34,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-24 23:16:34,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:16:35,091 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:35,091 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 23:16:35,268 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:35,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782839219] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 23:16:35,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 23:16:35,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2024-10-24 23:16:35,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684100881] [2024-10-24 23:16:35,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 23:16:35,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 23:16:35,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:35,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 23:16:35,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-10-24 23:16:35,271 INFO L87 Difference]: Start difference. First operand 625 states and 868 transitions. Second operand has 13 states, 12 states have (on average 15.5) internal successors, (186), 12 states have internal predecessors, (186), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:16:35,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:35,545 INFO L93 Difference]: Finished difference Result 843 states and 1183 transitions. [2024-10-24 23:16:35,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 23:16:35,545 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.5) internal successors, (186), 12 states have internal predecessors, (186), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 97 [2024-10-24 23:16:35,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:35,549 INFO L225 Difference]: With dead ends: 843 [2024-10-24 23:16:35,549 INFO L226 Difference]: Without dead ends: 842 [2024-10-24 23:16:35,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-24 23:16:35,550 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 847 mSDsluCounter, 1901 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 2184 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:35,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 2184 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 23:16:35,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-10-24 23:16:35,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 832. [2024-10-24 23:16:35,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 813 states have (on average 1.3948339483394834) internal successors, (1134), 818 states have internal predecessors, (1134), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 23:16:35,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1158 transitions. [2024-10-24 23:16:35,573 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1158 transitions. Word has length 97 [2024-10-24 23:16:35,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:35,574 INFO L471 AbstractCegarLoop]: Abstraction has 832 states and 1158 transitions. [2024-10-24 23:16:35,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.5) internal successors, (186), 12 states have internal predecessors, (186), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:16:35,574 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1158 transitions. [2024-10-24 23:16:35,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-24 23:16:35,575 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:35,575 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:16:35,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-24 23:16:35,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-24 23:16:35,776 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:35,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:35,777 INFO L85 PathProgramCache]: Analyzing trace with hash 391666665, now seen corresponding path program 1 times [2024-10-24 23:16:35,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:35,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147790529] [2024-10-24 23:16:35,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:35,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:36,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:16:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:36,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:16:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:36,317 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:36,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:36,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147790529] [2024-10-24 23:16:36,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147790529] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:16:36,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803923362] [2024-10-24 23:16:36,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:36,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:16:36,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:16:36,320 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) [2024-10-24 23:16:36,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 23:16:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:36,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-24 23:16:36,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:16:36,799 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:36,800 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 23:16:36,955 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:36,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803923362] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 23:16:36,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 23:16:36,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2024-10-24 23:16:36,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695790748] [2024-10-24 23:16:36,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 23:16:36,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 23:16:36,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:36,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 23:16:36,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-10-24 23:16:36,958 INFO L87 Difference]: Start difference. First operand 832 states and 1158 transitions. Second operand has 13 states, 12 states have (on average 15.75) internal successors, (189), 12 states have internal predecessors, (189), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:16:37,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:37,296 INFO L93 Difference]: Finished difference Result 843 states and 1180 transitions. [2024-10-24 23:16:37,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 23:16:37,297 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.75) internal successors, (189), 12 states have internal predecessors, (189), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 98 [2024-10-24 23:16:37,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:37,300 INFO L225 Difference]: With dead ends: 843 [2024-10-24 23:16:37,301 INFO L226 Difference]: Without dead ends: 842 [2024-10-24 23:16:37,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-24 23:16:37,302 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 653 mSDsluCounter, 2394 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 2721 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:37,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 2721 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 23:16:37,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-10-24 23:16:37,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 833. [2024-10-24 23:16:37,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 814 states have (on average 1.3918918918918919) internal successors, (1133), 819 states have internal predecessors, (1133), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 23:16:37,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1157 transitions. [2024-10-24 23:16:37,324 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1157 transitions. Word has length 98 [2024-10-24 23:16:37,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:37,324 INFO L471 AbstractCegarLoop]: Abstraction has 833 states and 1157 transitions. [2024-10-24 23:16:37,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.75) internal successors, (189), 12 states have internal predecessors, (189), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:16:37,325 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1157 transitions. [2024-10-24 23:16:37,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-24 23:16:37,326 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:37,326 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:16:37,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-24 23:16:37,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:16:37,527 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:37,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:37,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1269686164, now seen corresponding path program 1 times [2024-10-24 23:16:37,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:37,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49137878] [2024-10-24 23:16:37,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:37,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:37,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:16:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:37,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:16:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:37,935 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:37,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:37,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49137878] [2024-10-24 23:16:37,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49137878] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:16:37,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497645736] [2024-10-24 23:16:37,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:37,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:16:37,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:16:37,938 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) [2024-10-24 23:16:37,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 23:16:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:38,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 23:16:38,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:16:38,608 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:38,608 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:16:38,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497645736] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:16:38,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:16:38,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-10-24 23:16:38,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431060747] [2024-10-24 23:16:38,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:16:38,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 23:16:38,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:38,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 23:16:38,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:16:38,611 INFO L87 Difference]: Start difference. First operand 833 states and 1157 transitions. Second operand has 6 states, 5 states have (on average 33.0) internal successors, (165), 6 states have internal predecessors, (165), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 23:16:38,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:38,692 INFO L93 Difference]: Finished difference Result 833 states and 1157 transitions. [2024-10-24 23:16:38,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 23:16:38,692 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 33.0) internal successors, (165), 6 states have internal predecessors, (165), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 171 [2024-10-24 23:16:38,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:38,696 INFO L225 Difference]: With dead ends: 833 [2024-10-24 23:16:38,696 INFO L226 Difference]: Without dead ends: 832 [2024-10-24 23:16:38,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:16:38,697 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 425 mSDsluCounter, 1295 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 1804 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:38,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 1804 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:16:38,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2024-10-24 23:16:38,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2024-10-24 23:16:38,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 814 states have (on average 1.3882063882063882) internal successors, (1130), 818 states have internal predecessors, (1130), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 23:16:38,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1154 transitions. [2024-10-24 23:16:38,725 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1154 transitions. Word has length 171 [2024-10-24 23:16:38,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:38,725 INFO L471 AbstractCegarLoop]: Abstraction has 832 states and 1154 transitions. [2024-10-24 23:16:38,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.0) internal successors, (165), 6 states have internal predecessors, (165), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 23:16:38,726 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1154 transitions. [2024-10-24 23:16:38,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-10-24 23:16:38,728 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:38,728 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:16:38,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 23:16:38,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:16:38,933 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:38,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:38,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1116534771, now seen corresponding path program 1 times [2024-10-24 23:16:38,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:38,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427077404] [2024-10-24 23:16:38,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:38,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:39,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:16:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:39,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:16:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:39,318 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-10-24 23:16:39,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:39,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427077404] [2024-10-24 23:16:39,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427077404] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:16:39,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:16:39,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:16:39,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467078333] [2024-10-24 23:16:39,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:16:39,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 23:16:39,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:39,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 23:16:39,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:16:39,324 INFO L87 Difference]: Start difference. First operand 832 states and 1154 transitions. Second operand has 5 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 23:16:39,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:39,501 INFO L93 Difference]: Finished difference Result 834 states and 1168 transitions. [2024-10-24 23:16:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:16:39,502 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 251 [2024-10-24 23:16:39,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:39,506 INFO L225 Difference]: With dead ends: 834 [2024-10-24 23:16:39,506 INFO L226 Difference]: Without dead ends: 833 [2024-10-24 23:16:39,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:16:39,507 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 197 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:39,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 809 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 23:16:39,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2024-10-24 23:16:39,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 831. [2024-10-24 23:16:39,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 814 states have (on average 1.3857493857493857) internal successors, (1128), 817 states have internal predecessors, (1128), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 23:16:39,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1152 transitions. [2024-10-24 23:16:39,555 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1152 transitions. Word has length 251 [2024-10-24 23:16:39,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:39,556 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 1152 transitions. [2024-10-24 23:16:39,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 23:16:39,556 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1152 transitions. [2024-10-24 23:16:39,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-10-24 23:16:39,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:39,559 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:16:39,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 23:16:39,560 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:39,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:39,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1027707202, now seen corresponding path program 1 times [2024-10-24 23:16:39,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:39,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4687031] [2024-10-24 23:16:39,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:39,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:39,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:40,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:16:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:40,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:16:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:40,293 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:40,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:40,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4687031] [2024-10-24 23:16:40,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4687031] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:16:40,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532937008] [2024-10-24 23:16:40,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:40,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:16:40,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:16:40,295 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) [2024-10-24 23:16:40,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 23:16:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:40,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 1285 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 23:16:40,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:16:41,122 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:41,122 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 23:16:41,478 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:41,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532937008] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 23:16:41,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 23:16:41,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 19 [2024-10-24 23:16:41,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201253037] [2024-10-24 23:16:41,479 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 23:16:41,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-24 23:16:41,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:41,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-24 23:16:41,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-10-24 23:16:41,482 INFO L87 Difference]: Start difference. First operand 831 states and 1152 transitions. Second operand has 19 states, 19 states have (on average 30.473684210526315) internal successors, (579), 18 states have internal predecessors, (579), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 23:16:41,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:41,864 INFO L93 Difference]: Finished difference Result 1451 states and 2036 transitions. [2024-10-24 23:16:41,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 23:16:41,865 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 30.473684210526315) internal successors, (579), 18 states have internal predecessors, (579), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 255 [2024-10-24 23:16:41,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:41,871 INFO L225 Difference]: With dead ends: 1451 [2024-10-24 23:16:41,871 INFO L226 Difference]: Without dead ends: 1445 [2024-10-24 23:16:41,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 503 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-10-24 23:16:41,872 INFO L432 NwaCegarLoop]: 368 mSDtfsCounter, 2683 mSDsluCounter, 3308 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2721 SdHoareTripleChecker+Valid, 3676 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:41,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2721 Valid, 3676 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 23:16:41,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2024-10-24 23:16:41,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1439. [2024-10-24 23:16:41,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1439 states, 1413 states have (on average 1.3878273177636236) internal successors, (1961), 1416 states have internal predecessors, (1961), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 23:16:41,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1439 states and 2003 transitions. [2024-10-24 23:16:41,931 INFO L78 Accepts]: Start accepts. Automaton has 1439 states and 2003 transitions. Word has length 255 [2024-10-24 23:16:41,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:41,931 INFO L471 AbstractCegarLoop]: Abstraction has 1439 states and 2003 transitions. [2024-10-24 23:16:41,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 30.473684210526315) internal successors, (579), 18 states have internal predecessors, (579), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 23:16:41,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 2003 transitions. [2024-10-24 23:16:41,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-10-24 23:16:41,936 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:41,938 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:16:41,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 23:16:42,138 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,SelfDestructingSolverStorable12 [2024-10-24 23:16:42,139 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:42,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:42,139 INFO L85 PathProgramCache]: Analyzing trace with hash 357695958, now seen corresponding path program 1 times [2024-10-24 23:16:42,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:42,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601589797] [2024-10-24 23:16:42,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:42,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:44,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:16:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:44,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:16:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:44,972 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:44,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:44,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601589797] [2024-10-24 23:16:44,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601589797] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:16:44,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357850178] [2024-10-24 23:16:44,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:44,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:16:44,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:16:44,975 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) [2024-10-24 23:16:44,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 23:16:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:45,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 1687 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-10-24 23:16:45,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:16:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:46,253 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 23:16:46,726 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:46,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357850178] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 23:16:46,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 23:16:46,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 27 [2024-10-24 23:16:46,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712327477] [2024-10-24 23:16:46,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 23:16:46,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-24 23:16:46,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:46,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-24 23:16:46,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=523, Unknown=0, NotChecked=0, Total=756 [2024-10-24 23:16:46,730 INFO L87 Difference]: Start difference. First operand 1439 states and 2003 transitions. Second operand has 28 states, 27 states have (on average 24.77777777777778) internal successors, (669), 27 states have internal predecessors, (669), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:16:47,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:47,401 INFO L93 Difference]: Finished difference Result 2070 states and 2920 transitions. [2024-10-24 23:16:47,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-24 23:16:47,402 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 24.77777777777778) internal successors, (669), 27 states have internal predecessors, (669), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 334 [2024-10-24 23:16:47,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:47,411 INFO L225 Difference]: With dead ends: 2070 [2024-10-24 23:16:47,412 INFO L226 Difference]: Without dead ends: 2069 [2024-10-24 23:16:47,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 685 GetRequests, 654 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=308, Invalid=748, Unknown=0, NotChecked=0, Total=1056 [2024-10-24 23:16:47,413 INFO L432 NwaCegarLoop]: 367 mSDtfsCounter, 3167 mSDsluCounter, 4233 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3213 SdHoareTripleChecker+Valid, 4600 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:47,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3213 Valid, 4600 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 23:16:47,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2024-10-24 23:16:47,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 2054. [2024-10-24 23:16:47,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2054 states, 2019 states have (on average 1.387815750371471) internal successors, (2802), 2022 states have internal predecessors, (2802), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 23:16:47,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 2862 transitions. [2024-10-24 23:16:47,465 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 2862 transitions. Word has length 334 [2024-10-24 23:16:47,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:47,465 INFO L471 AbstractCegarLoop]: Abstraction has 2054 states and 2862 transitions. [2024-10-24 23:16:47,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 24.77777777777778) internal successors, (669), 27 states have internal predecessors, (669), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:16:47,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2862 transitions. [2024-10-24 23:16:47,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-10-24 23:16:47,470 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:47,471 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:16:47,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 23:16:47,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:16:47,676 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:47,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:47,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1796327123, now seen corresponding path program 1 times [2024-10-24 23:16:47,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:47,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464303087] [2024-10-24 23:16:47,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:47,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:50,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:16:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:50,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:16:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:50,257 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:50,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:50,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464303087] [2024-10-24 23:16:50,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464303087] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:16:50,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283507417] [2024-10-24 23:16:50,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:50,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:16:50,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:16:50,260 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:16:50,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 23:16:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:50,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 1688 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-24 23:16:50,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:16:51,375 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:51,375 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 23:16:51,805 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:51,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283507417] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 23:16:51,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 23:16:51,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 27 [2024-10-24 23:16:51,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126161024] [2024-10-24 23:16:51,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 23:16:51,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-24 23:16:51,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:51,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-24 23:16:51,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=523, Unknown=0, NotChecked=0, Total=756 [2024-10-24 23:16:51,809 INFO L87 Difference]: Start difference. First operand 2054 states and 2862 transitions. Second operand has 28 states, 27 states have (on average 24.88888888888889) internal successors, (672), 27 states have internal predecessors, (672), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:16:52,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:52,379 INFO L93 Difference]: Finished difference Result 2070 states and 2914 transitions. [2024-10-24 23:16:52,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-24 23:16:52,380 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 24.88888888888889) internal successors, (672), 27 states have internal predecessors, (672), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 335 [2024-10-24 23:16:52,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:52,389 INFO L225 Difference]: With dead ends: 2070 [2024-10-24 23:16:52,390 INFO L226 Difference]: Without dead ends: 2069 [2024-10-24 23:16:52,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 687 GetRequests, 656 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=308, Invalid=748, Unknown=0, NotChecked=0, Total=1056 [2024-10-24 23:16:52,392 INFO L432 NwaCegarLoop]: 368 mSDtfsCounter, 4066 mSDsluCounter, 4178 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4112 SdHoareTripleChecker+Valid, 4546 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:52,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4112 Valid, 4546 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 23:16:52,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2024-10-24 23:16:52,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 2055. [2024-10-24 23:16:52,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2055 states, 2020 states have (on average 1.385148514851485) internal successors, (2798), 2023 states have internal predecessors, (2798), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 23:16:52,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 2055 states and 2858 transitions. [2024-10-24 23:16:52,445 INFO L78 Accepts]: Start accepts. Automaton has 2055 states and 2858 transitions. Word has length 335 [2024-10-24 23:16:52,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:52,446 INFO L471 AbstractCegarLoop]: Abstraction has 2055 states and 2858 transitions. [2024-10-24 23:16:52,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 24.88888888888889) internal successors, (672), 27 states have internal predecessors, (672), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:16:52,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2055 states and 2858 transitions. [2024-10-24 23:16:52,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2024-10-24 23:16:52,458 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:52,458 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:16:52,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-24 23:16:52,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:16:52,659 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:52,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:52,659 INFO L85 PathProgramCache]: Analyzing trace with hash -293998658, now seen corresponding path program 2 times [2024-10-24 23:16:52,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:52,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278925084] [2024-10-24 23:16:52,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:52,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:54,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:16:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:54,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:16:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:54,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1657 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:54,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:54,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278925084] [2024-10-24 23:16:54,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278925084] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:16:54,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047841456] [2024-10-24 23:16:54,516 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 23:16:54,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:16:54,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:16:54,518 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:16:54,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 23:16:55,407 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 23:16:55,408 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 23:16:55,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 2765 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-24 23:16:55,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:16:55,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1657 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:55,954 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 23:16:56,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1657 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:56,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047841456] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 23:16:56,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 23:16:56,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 24 [2024-10-24 23:16:56,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142022645] [2024-10-24 23:16:56,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 23:16:56,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-24 23:16:56,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:56,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-24 23:16:56,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-10-24 23:16:56,531 INFO L87 Difference]: Start difference. First operand 2055 states and 2858 transitions. Second operand has 24 states, 24 states have (on average 34.125) internal successors, (819), 23 states have internal predecessors, (819), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 23:16:57,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:57,091 INFO L93 Difference]: Finished difference Result 2063 states and 2896 transitions. [2024-10-24 23:16:57,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-24 23:16:57,094 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 34.125) internal successors, (819), 23 states have internal predecessors, (819), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 571 [2024-10-24 23:16:57,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:57,102 INFO L225 Difference]: With dead ends: 2063 [2024-10-24 23:16:57,103 INFO L226 Difference]: Without dead ends: 2057 [2024-10-24 23:16:57,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1160 GetRequests, 1127 SyntacticMatches, 11 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-10-24 23:16:57,104 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 4189 mSDsluCounter, 4365 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4241 SdHoareTripleChecker+Valid, 4690 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:57,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4241 Valid, 4690 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 23:16:57,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2024-10-24 23:16:57,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 2055. [2024-10-24 23:16:57,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2055 states, 2020 states have (on average 1.3836633663366336) internal successors, (2795), 2023 states have internal predecessors, (2795), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 23:16:57,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 2055 states and 2855 transitions. [2024-10-24 23:16:57,176 INFO L78 Accepts]: Start accepts. Automaton has 2055 states and 2855 transitions. Word has length 571 [2024-10-24 23:16:57,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:57,178 INFO L471 AbstractCegarLoop]: Abstraction has 2055 states and 2855 transitions. [2024-10-24 23:16:57,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 34.125) internal successors, (819), 23 states have internal predecessors, (819), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-24 23:16:57,178 INFO L276 IsEmpty]: Start isEmpty. Operand 2055 states and 2855 transitions. [2024-10-24 23:16:57,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 809 [2024-10-24 23:16:57,203 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:57,204 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:16:57,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-24 23:16:57,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-24 23:16:57,405 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:57,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:57,405 INFO L85 PathProgramCache]: Analyzing trace with hash -963008774, now seen corresponding path program 3 times [2024-10-24 23:16:57,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:57,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160431494] [2024-10-24 23:16:57,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:57,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms