./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 20:22:26,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 20:22:26,556 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 20:22:26,560 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 20:22:26,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 20:22:26,583 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 20:22:26,584 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 20:22:26,584 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 20:22:26,585 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 20:22:26,586 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 20:22:26,586 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 20:22:26,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 20:22:26,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 20:22:26,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 20:22:26,588 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 20:22:26,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 20:22:26,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 20:22:26,589 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 20:22:26,589 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 20:22:26,589 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 20:22:26,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 20:22:26,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 20:22:26,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 20:22:26,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 20:22:26,591 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 20:22:26,591 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 20:22:26,591 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 20:22:26,591 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 20:22:26,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 20:22:26,592 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 20:22:26,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 20:22:26,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 20:22:26,593 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 20:22:26,593 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 20:22:26,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:22:26,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 20:22:26,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 20:22:26,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 20:22:26,594 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 20:22:26,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 20:22:26,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 20:22:26,595 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 20:22:26,595 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 20:22:26,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 20:22:26,595 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2024-11-12 20:22:26,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 20:22:26,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 20:22:26,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 20:22:26,831 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 20:22:26,835 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 20:22:26,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i [2024-11-12 20:22:28,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 20:22:28,361 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 20:22:28,361 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i [2024-11-12 20:22:28,372 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d699f6503/bb897060566e406dbbfe53ee3e9aa753/FLAG56708618d [2024-11-12 20:22:28,390 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d699f6503/bb897060566e406dbbfe53ee3e9aa753 [2024-11-12 20:22:28,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 20:22:28,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 20:22:28,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 20:22:28,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 20:22:28,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 20:22:28,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:22:28" (1/1) ... [2024-11-12 20:22:28,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f62420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:22:28, skipping insertion in model container [2024-11-12 20:22:28,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:22:28" (1/1) ... [2024-11-12 20:22:28,446 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 20:22:28,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:22:28,961 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 20:22:29,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:22:29,102 INFO L204 MainTranslator]: Completed translation [2024-11-12 20:22:29,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:22:29 WrapperNode [2024-11-12 20:22:29,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 20:22:29,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 20:22:29,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 20:22:29,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 20:22:29,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:22:29" (1/1) ... [2024-11-12 20:22:29,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:22:29" (1/1) ... [2024-11-12 20:22:29,225 INFO L138 Inliner]: procedures = 176, calls = 425, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1870 [2024-11-12 20:22:29,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 20:22:29,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 20:22:29,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 20:22:29,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 20:22:29,234 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:22:29" (1/1) ... [2024-11-12 20:22:29,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:22:29" (1/1) ... [2024-11-12 20:22:29,246 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:22:29" (1/1) ... [2024-11-12 20:22:29,354 INFO L175 MemorySlicer]: Split 403 memory accesses to 2 slices as follows [2, 401]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 98 writes are split as follows [0, 98]. [2024-11-12 20:22:29,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:22:29" (1/1) ... [2024-11-12 20:22:29,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:22:29" (1/1) ... [2024-11-12 20:22:29,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:22:29" (1/1) ... [2024-11-12 20:22:29,407 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:22:29" (1/1) ... [2024-11-12 20:22:29,411 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:22:29" (1/1) ... [2024-11-12 20:22:29,416 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:22:29" (1/1) ... [2024-11-12 20:22:29,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 20:22:29,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 20:22:29,430 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 20:22:29,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 20:22:29,431 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:22:29" (1/1) ... [2024-11-12 20:22:29,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:22:29,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:22:29,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 20:22:29,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 20:22:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 20:22:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 20:22:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 20:22:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 20:22:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-12 20:22:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-12 20:22:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-12 20:22:29,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-12 20:22:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 20:22:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 20:22:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 20:22:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 20:22:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 20:22:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 20:22:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 20:22:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 20:22:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 20:22:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 20:22:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 20:22:29,686 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 20:22:29,687 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 20:22:30,922 INFO L? ?]: Removed 424 outVars from TransFormulas that were not future-live. [2024-11-12 20:22:30,923 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 20:22:30,980 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 20:22:30,980 INFO L316 CfgBuilder]: Removed 77 assume(true) statements. [2024-11-12 20:22:30,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:22:30 BoogieIcfgContainer [2024-11-12 20:22:30,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 20:22:30,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 20:22:30,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 20:22:30,988 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 20:22:30,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:22:28" (1/3) ... [2024-11-12 20:22:30,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@339c79b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:22:30, skipping insertion in model container [2024-11-12 20:22:30,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:22:29" (2/3) ... [2024-11-12 20:22:30,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@339c79b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:22:30, skipping insertion in model container [2024-11-12 20:22:30,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:22:30" (3/3) ... [2024-11-12 20:22:30,990 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_nondet_test4-3.i [2024-11-12 20:22:31,003 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 20:22:31,003 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-12 20:22:31,072 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 20:22:31,078 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;@6554c5b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 20:22:31,078 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-12 20:22:31,082 INFO L276 IsEmpty]: Start isEmpty. Operand has 474 states, 462 states have (on average 1.619047619047619) internal successors, (748), 466 states have internal predecessors, (748), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 20:22:31,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-12 20:22:31,090 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:22:31,090 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:22:31,090 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 20:22:31,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:22:31,102 INFO L85 PathProgramCache]: Analyzing trace with hash -699476840, now seen corresponding path program 1 times [2024-11-12 20:22:31,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:22:31,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990607738] [2024-11-12 20:22:31,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:31,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:22:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:31,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:22:31,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:22:31,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990607738] [2024-11-12 20:22:31,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990607738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:22:31,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:22:31,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 20:22:31,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460796890] [2024-11-12 20:22:31,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:22:31,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 20:22:31,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:22:31,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 20:22:31,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 20:22:31,328 INFO L87 Difference]: Start difference. First operand has 474 states, 462 states have (on average 1.619047619047619) internal successors, (748), 466 states have internal predecessors, (748), 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) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:22:31,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:22:31,372 INFO L93 Difference]: Finished difference Result 943 states and 1515 transitions. [2024-11-12 20:22:31,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 20:22:31,374 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-12 20:22:31,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:22:31,384 INFO L225 Difference]: With dead ends: 943 [2024-11-12 20:22:31,386 INFO L226 Difference]: Without dead ends: 398 [2024-11-12 20:22:31,391 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 20:22:31,395 INFO L435 NwaCegarLoop]: 672 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 20:22:31,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 672 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:22:31,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-12 20:22:31,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2024-11-12 20:22:31,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 388 states have (on average 1.443298969072165) internal successors, (560), 390 states have internal predecessors, (560), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 20:22:31,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 572 transitions. [2024-11-12 20:22:31,442 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 572 transitions. Word has length 7 [2024-11-12 20:22:31,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:22:31,443 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 572 transitions. [2024-11-12 20:22:31,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:22:31,443 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 572 transitions. [2024-11-12 20:22:31,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-12 20:22:31,446 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:22:31,446 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:22:31,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 20:22:31,447 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 20:22:31,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:22:31,448 INFO L85 PathProgramCache]: Analyzing trace with hash -208885906, now seen corresponding path program 1 times [2024-11-12 20:22:31,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:22:31,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313015129] [2024-11-12 20:22:31,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:31,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:22:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 20:22:31,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2079947585] [2024-11-12 20:22:31,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:31,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:22:31,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:22:31,476 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:22:31,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 20:22:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:31,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 20:22:31,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:22:31,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:22:31,644 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 20:22:31,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:22:31,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313015129] [2024-11-12 20:22:31,645 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 20:22:31,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079947585] [2024-11-12 20:22:31,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079947585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:22:31,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:22:31,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 20:22:31,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38687438] [2024-11-12 20:22:31,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:22:31,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:22:31,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:22:31,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:22:31,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:22:31,650 INFO L87 Difference]: Start difference. First operand 398 states and 572 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:22:31,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:22:31,715 INFO L93 Difference]: Finished difference Result 785 states and 1133 transitions. [2024-11-12 20:22:31,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:22:31,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-12 20:22:31,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:22:31,719 INFO L225 Difference]: With dead ends: 785 [2024-11-12 20:22:31,719 INFO L226 Difference]: Without dead ends: 784 [2024-11-12 20:22:31,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:22:31,720 INFO L435 NwaCegarLoop]: 618 mSDtfsCounter, 543 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 1182 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 20:22:31,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 1182 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:22:31,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2024-11-12 20:22:31,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 403. [2024-11-12 20:22:31,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 393 states have (on average 1.4376590330788803) internal successors, (565), 395 states have internal predecessors, (565), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 20:22:31,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 577 transitions. [2024-11-12 20:22:31,742 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 577 transitions. Word has length 8 [2024-11-12 20:22:31,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:22:31,742 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 577 transitions. [2024-11-12 20:22:31,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:22:31,742 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 577 transitions. [2024-11-12 20:22:31,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 20:22:31,748 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:22:31,748 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:22:31,765 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 20:22:31,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:22:31,949 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 20:22:31,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:22:31,950 INFO L85 PathProgramCache]: Analyzing trace with hash 839446148, now seen corresponding path program 1 times [2024-11-12 20:22:31,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:22:31,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978010069] [2024-11-12 20:22:31,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:31,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:22:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:32,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:22:32,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:22:32,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978010069] [2024-11-12 20:22:32,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978010069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:22:32,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:22:32,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 20:22:32,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332477175] [2024-11-12 20:22:32,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:22:32,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:22:32,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:22:32,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:22:32,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:22:32,373 INFO L87 Difference]: Start difference. First operand 403 states and 577 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:22:32,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:22:32,447 INFO L93 Difference]: Finished difference Result 801 states and 1149 transitions. [2024-11-12 20:22:32,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:22:32,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 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 152 [2024-11-12 20:22:32,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:22:32,450 INFO L225 Difference]: With dead ends: 801 [2024-11-12 20:22:32,451 INFO L226 Difference]: Without dead ends: 406 [2024-11-12 20:22:32,451 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:22:32,452 INFO L435 NwaCegarLoop]: 544 mSDtfsCounter, 105 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 20:22:32,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1539 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:22:32,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-12 20:22:32,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 403. [2024-11-12 20:22:32,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 393 states have (on average 1.4198473282442747) internal successors, (558), 395 states have internal predecessors, (558), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 20:22:32,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 570 transitions. [2024-11-12 20:22:32,465 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 570 transitions. Word has length 152 [2024-11-12 20:22:32,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:22:32,465 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 570 transitions. [2024-11-12 20:22:32,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:22:32,465 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 570 transitions. [2024-11-12 20:22:32,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 20:22:32,470 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:22:32,470 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:22:32,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 20:22:32,470 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 20:22:32,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:22:32,471 INFO L85 PathProgramCache]: Analyzing trace with hash -609280240, now seen corresponding path program 1 times [2024-11-12 20:22:32,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:22:32,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845559625] [2024-11-12 20:22:32,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:32,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:22:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:32,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:22:32,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:22:32,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845559625] [2024-11-12 20:22:32,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845559625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:22:32,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:22:32,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:22:32,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886057799] [2024-11-12 20:22:32,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:22:32,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:22:32,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:22:32,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:22:32,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:22:32,746 INFO L87 Difference]: Start difference. First operand 403 states and 570 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:22:32,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:22:32,784 INFO L93 Difference]: Finished difference Result 925 states and 1319 transitions. [2024-11-12 20:22:32,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:22:32,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 152 [2024-11-12 20:22:32,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:22:32,788 INFO L225 Difference]: With dead ends: 925 [2024-11-12 20:22:32,788 INFO L226 Difference]: Without dead ends: 530 [2024-11-12 20:22:32,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:22:32,791 INFO L435 NwaCegarLoop]: 564 mSDtfsCounter, 134 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1120 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 20:22:32,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1120 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:22:32,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-12 20:22:32,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 530. [2024-11-12 20:22:32,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 520 states have (on average 1.4307692307692308) internal successors, (744), 522 states have internal predecessors, (744), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 20:22:32,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 756 transitions. [2024-11-12 20:22:32,810 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 756 transitions. Word has length 152 [2024-11-12 20:22:32,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:22:32,812 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 756 transitions. [2024-11-12 20:22:32,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:22:32,813 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 756 transitions. [2024-11-12 20:22:32,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-12 20:22:32,820 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:22:32,820 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:22:32,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 20:22:32,820 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 20:22:32,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:22:32,821 INFO L85 PathProgramCache]: Analyzing trace with hash 601390206, now seen corresponding path program 1 times [2024-11-12 20:22:32,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:22:32,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740452011] [2024-11-12 20:22:32,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:32,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:22:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:33,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 20:22:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:33,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 20:22:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:33,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:22:33,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:22:33,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740452011] [2024-11-12 20:22:33,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740452011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:22:33,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:22:33,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 20:22:33,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313818632] [2024-11-12 20:22:33,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:22:33,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 20:22:33,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:22:33,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 20:22:33,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:22:33,090 INFO L87 Difference]: Start difference. First operand 530 states and 756 transitions. Second operand has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 20:22:33,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:22:33,353 INFO L93 Difference]: Finished difference Result 931 states and 1330 transitions. [2024-11-12 20:22:33,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 20:22:33,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 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 167 [2024-11-12 20:22:33,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:22:33,360 INFO L225 Difference]: With dead ends: 931 [2024-11-12 20:22:33,361 INFO L226 Difference]: Without dead ends: 536 [2024-11-12 20:22:33,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 20:22:33,362 INFO L435 NwaCegarLoop]: 536 mSDtfsCounter, 109 mSDsluCounter, 1425 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 1961 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 20:22:33,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 1961 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 20:22:33,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-12 20:22:33,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 530. [2024-11-12 20:22:33,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 520 states have (on average 1.4173076923076924) internal successors, (737), 522 states have internal predecessors, (737), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 20:22:33,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 749 transitions. [2024-11-12 20:22:33,374 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 749 transitions. Word has length 167 [2024-11-12 20:22:33,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:22:33,375 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 749 transitions. [2024-11-12 20:22:33,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 20:22:33,375 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 749 transitions. [2024-11-12 20:22:33,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-12 20:22:33,380 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:22:33,381 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:22:33,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 20:22:33,381 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 20:22:33,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:22:33,381 INFO L85 PathProgramCache]: Analyzing trace with hash 2124470064, now seen corresponding path program 1 times [2024-11-12 20:22:33,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:22:33,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536884589] [2024-11-12 20:22:33,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:33,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:22:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:33,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 20:22:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:33,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 20:22:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:33,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:22:33,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:22:33,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536884589] [2024-11-12 20:22:33,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536884589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:22:33,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:22:33,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 20:22:33,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295198407] [2024-11-12 20:22:33,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:22:33,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:22:33,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:22:33,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:22:33,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:22:33,561 INFO L87 Difference]: Start difference. First operand 530 states and 749 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 20:22:33,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:22:33,854 INFO L93 Difference]: Finished difference Result 934 states and 1322 transitions. [2024-11-12 20:22:33,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:22:33,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 3 states have internal predecessors, (160), 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 167 [2024-11-12 20:22:33,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:22:33,857 INFO L225 Difference]: With dead ends: 934 [2024-11-12 20:22:33,858 INFO L226 Difference]: Without dead ends: 539 [2024-11-12 20:22:33,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:22:33,859 INFO L435 NwaCegarLoop]: 551 mSDtfsCounter, 5 mSDsluCounter, 992 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1543 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 20:22:33,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1543 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 20:22:33,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-11-12 20:22:33,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 536. [2024-11-12 20:22:33,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 526 states have (on average 1.4125475285171103) internal successors, (743), 528 states have internal predecessors, (743), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 20:22:33,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 755 transitions. [2024-11-12 20:22:33,868 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 755 transitions. Word has length 167 [2024-11-12 20:22:33,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:22:33,868 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 755 transitions. [2024-11-12 20:22:33,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 20:22:33,868 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 755 transitions. [2024-11-12 20:22:33,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-12 20:22:33,870 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:22:33,870 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:22:33,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 20:22:33,870 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 20:22:33,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:22:33,871 INFO L85 PathProgramCache]: Analyzing trace with hash 586130034, now seen corresponding path program 1 times [2024-11-12 20:22:33,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:22:33,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669856861] [2024-11-12 20:22:33,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:33,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:22:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:34,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 20:22:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:34,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 20:22:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:34,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:22:34,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:22:34,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669856861] [2024-11-12 20:22:34,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669856861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:22:34,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:22:34,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 20:22:34,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350978008] [2024-11-12 20:22:34,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:22:34,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:22:34,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:22:34,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:22:34,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:22:34,075 INFO L87 Difference]: Start difference. First operand 536 states and 755 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 20:22:34,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:22:34,415 INFO L93 Difference]: Finished difference Result 1134 states and 1602 transitions. [2024-11-12 20:22:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:22:34,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 3 states have internal predecessors, (160), 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 167 [2024-11-12 20:22:34,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:22:34,418 INFO L225 Difference]: With dead ends: 1134 [2024-11-12 20:22:34,419 INFO L226 Difference]: Without dead ends: 733 [2024-11-12 20:22:34,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:22:34,420 INFO L435 NwaCegarLoop]: 556 mSDtfsCounter, 322 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 1570 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 20:22:34,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 1570 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 20:22:34,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-11-12 20:22:34,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 730. [2024-11-12 20:22:34,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 717 states have (on average 1.408647140864714) internal successors, (1010), 719 states have internal predecessors, (1010), 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) [2024-11-12 20:22:34,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 1028 transitions. [2024-11-12 20:22:34,433 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 1028 transitions. Word has length 167 [2024-11-12 20:22:34,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:22:34,433 INFO L471 AbstractCegarLoop]: Abstraction has 730 states and 1028 transitions. [2024-11-12 20:22:34,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 3 states have internal predecessors, (160), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 20:22:34,433 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1028 transitions. [2024-11-12 20:22:34,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-12 20:22:34,434 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:22:34,435 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:22:34,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 20:22:34,435 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 20:22:34,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:22:34,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1457835018, now seen corresponding path program 1 times [2024-11-12 20:22:34,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:22:34,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977324240] [2024-11-12 20:22:34,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:34,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:22:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:34,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 20:22:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:34,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 20:22:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:34,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 20:22:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:34,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 20:22:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:34,787 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 20:22:34,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:22:34,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977324240] [2024-11-12 20:22:34,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977324240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:22:34,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:22:34,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 20:22:34,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353829717] [2024-11-12 20:22:34,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:22:34,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 20:22:34,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:22:34,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 20:22:34,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:22:34,790 INFO L87 Difference]: Start difference. First operand 730 states and 1028 transitions. Second operand has 5 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 20:22:35,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:22:35,348 INFO L93 Difference]: Finished difference Result 799 states and 1129 transitions. [2024-11-12 20:22:35,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 20:22:35,348 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 182 [2024-11-12 20:22:35,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:22:35,351 INFO L225 Difference]: With dead ends: 799 [2024-11-12 20:22:35,351 INFO L226 Difference]: Without dead ends: 797 [2024-11-12 20:22:35,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:22:35,352 INFO L435 NwaCegarLoop]: 550 mSDtfsCounter, 374 mSDsluCounter, 1555 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 2105 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 20:22:35,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 2105 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 20:22:35,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2024-11-12 20:22:35,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 794. [2024-11-12 20:22:35,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 778 states have (on average 1.398457583547558) internal successors, (1088), 780 states have internal predecessors, (1088), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 20:22:35,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1112 transitions. [2024-11-12 20:22:35,366 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1112 transitions. Word has length 182 [2024-11-12 20:22:35,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:22:35,366 INFO L471 AbstractCegarLoop]: Abstraction has 794 states and 1112 transitions. [2024-11-12 20:22:35,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 20:22:35,367 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1112 transitions. [2024-11-12 20:22:35,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-12 20:22:35,368 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:22:35,368 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:22:35,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 20:22:35,369 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 20:22:35,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:22:35,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1287954457, now seen corresponding path program 1 times [2024-11-12 20:22:35,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:22:35,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877171919] [2024-11-12 20:22:35,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:35,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:22:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:36,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 20:22:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:36,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 20:22:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:36,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 20:22:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:36,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 20:22:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-12 20:22:36,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:22:36,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877171919] [2024-11-12 20:22:36,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877171919] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:22:36,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702567049] [2024-11-12 20:22:36,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:36,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:22:36,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:22:36,169 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:22:36,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 20:22:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:36,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-12 20:22:36,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:22:36,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-12 20:22:36,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-12 20:22:37,032 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 20:22:37,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-11-12 20:22:37,346 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 20:22:37,347 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 20:22:37,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702567049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:22:37,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:22:37,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-12 20:22:37,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782104867] [2024-11-12 20:22:37,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:22:37,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 20:22:37,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:22:37,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 20:22:37,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-12 20:22:37,350 INFO L87 Difference]: Start difference. First operand 794 states and 1112 transitions. Second operand has 11 states, 11 states have (on average 15.545454545454545) internal successors, (171), 11 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 20:22:40,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:22:40,584 INFO L93 Difference]: Finished difference Result 1553 states and 2170 transitions. [2024-11-12 20:22:40,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 20:22:40,584 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.545454545454545) internal successors, (171), 11 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2024-11-12 20:22:40,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:22:40,587 INFO L225 Difference]: With dead ends: 1553 [2024-11-12 20:22:40,587 INFO L226 Difference]: Without dead ends: 847 [2024-11-12 20:22:40,588 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-11-12 20:22:40,589 INFO L435 NwaCegarLoop]: 595 mSDtfsCounter, 820 mSDsluCounter, 3437 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 4032 SdHoareTripleChecker+Invalid, 1475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-12 20:22:40,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [825 Valid, 4032 Invalid, 1475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1467 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2024-11-12 20:22:40,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2024-11-12 20:22:40,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 828. [2024-11-12 20:22:40,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 812 states have (on average 1.3928571428571428) internal successors, (1131), 814 states have internal predecessors, (1131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 20:22:40,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1155 transitions. [2024-11-12 20:22:40,607 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1155 transitions. Word has length 188 [2024-11-12 20:22:40,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:22:40,607 INFO L471 AbstractCegarLoop]: Abstraction has 828 states and 1155 transitions. [2024-11-12 20:22:40,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.545454545454545) internal successors, (171), 11 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 20:22:40,607 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1155 transitions. [2024-11-12 20:22:40,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-12 20:22:40,608 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:22:40,609 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:22:40,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 20:22:40,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-12 20:22:40,813 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 20:22:40,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:22:40,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1603143653, now seen corresponding path program 1 times [2024-11-12 20:22:40,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:22:40,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325189174] [2024-11-12 20:22:40,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:40,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:22:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:40,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 20:22:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:40,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 20:22:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:41,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 20:22:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:41,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 20:22:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:41,005 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 20:22:41,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:22:41,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325189174] [2024-11-12 20:22:41,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325189174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:22:41,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:22:41,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 20:22:41,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979449023] [2024-11-12 20:22:41,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:22:41,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 20:22:41,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:22:41,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 20:22:41,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:22:41,008 INFO L87 Difference]: Start difference. First operand 828 states and 1155 transitions. Second operand has 5 states, 5 states have (on average 34.2) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 20:22:41,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:22:41,292 INFO L93 Difference]: Finished difference Result 1499 states and 2098 transitions. [2024-11-12 20:22:41,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 20:22:41,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2024-11-12 20:22:41,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:22:41,295 INFO L225 Difference]: With dead ends: 1499 [2024-11-12 20:22:41,295 INFO L226 Difference]: Without dead ends: 701 [2024-11-12 20:22:41,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 20:22:41,297 INFO L435 NwaCegarLoop]: 461 mSDtfsCounter, 12 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1739 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 20:22:41,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1739 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 20:22:41,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2024-11-12 20:22:41,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 698. [2024-11-12 20:22:41,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 682 states have (on average 1.3592375366568914) internal successors, (927), 684 states have internal predecessors, (927), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 20:22:41,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 951 transitions. [2024-11-12 20:22:41,311 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 951 transitions. Word has length 188 [2024-11-12 20:22:41,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:22:41,311 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 951 transitions. [2024-11-12 20:22:41,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 20:22:41,311 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 951 transitions. [2024-11-12 20:22:41,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-12 20:22:41,312 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:22:41,312 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:22:41,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 20:22:41,313 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 20:22:41,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:22:41,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1953126337, now seen corresponding path program 1 times [2024-11-12 20:22:41,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:22:41,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681564936] [2024-11-12 20:22:41,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:41,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:22:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:42,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 20:22:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:42,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 20:22:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:42,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 20:22:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:42,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 20:22:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:42,095 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-12 20:22:42,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:22:42,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681564936] [2024-11-12 20:22:42,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681564936] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:22:42,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236655197] [2024-11-12 20:22:42,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:42,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:22:42,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:22:42,100 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:22:42,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 20:22:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:42,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-12 20:22:42,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:22:42,593 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 20:22:42,593 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 20:22:42,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236655197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:22:42,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:22:42,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-12 20:22:42,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363873217] [2024-11-12 20:22:42,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:22:42,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:22:42,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:22:42,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:22:42,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 20:22:42,595 INFO L87 Difference]: Start difference. First operand 698 states and 951 transitions. Second operand has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 20:22:42,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:22:42,696 INFO L93 Difference]: Finished difference Result 1356 states and 1860 transitions. [2024-11-12 20:22:42,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:22:42,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 189 [2024-11-12 20:22:42,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:22:42,699 INFO L225 Difference]: With dead ends: 1356 [2024-11-12 20:22:42,700 INFO L226 Difference]: Without dead ends: 698 [2024-11-12 20:22:42,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 20:22:42,701 INFO L435 NwaCegarLoop]: 468 mSDtfsCounter, 13 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 20:22:42,701 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1279 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 20:22:42,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-11-12 20:22:42,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 698. [2024-11-12 20:22:42,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 682 states have (on average 1.3563049853372433) internal successors, (925), 684 states have internal predecessors, (925), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 20:22:42,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 949 transitions. [2024-11-12 20:22:42,718 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 949 transitions. Word has length 189 [2024-11-12 20:22:42,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:22:42,718 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 949 transitions. [2024-11-12 20:22:42,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 20:22:42,718 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 949 transitions. [2024-11-12 20:22:42,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-12 20:22:42,720 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:22:42,720 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:22:42,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-12 20:22:42,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:22:42,925 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 20:22:42,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:22:42,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1539485556, now seen corresponding path program 1 times [2024-11-12 20:22:42,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:22:42,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945140913] [2024-11-12 20:22:42,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:42,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:22:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:43,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 20:22:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:43,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 20:22:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:43,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 20:22:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:43,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 20:22:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:43,354 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 20:22:43,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:22:43,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945140913] [2024-11-12 20:22:43,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945140913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:22:43,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:22:43,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 20:22:43,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592492341] [2024-11-12 20:22:43,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:22:43,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 20:22:43,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:22:43,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 20:22:43,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-12 20:22:43,356 INFO L87 Difference]: Start difference. First operand 698 states and 949 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 6 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 20:22:43,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:22:43,881 INFO L93 Difference]: Finished difference Result 1362 states and 1877 transitions. [2024-11-12 20:22:43,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 20:22:43,881 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 6 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-11-12 20:22:43,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:22:43,884 INFO L225 Difference]: With dead ends: 1362 [2024-11-12 20:22:43,884 INFO L226 Difference]: Without dead ends: 707 [2024-11-12 20:22:43,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-12 20:22:43,885 INFO L435 NwaCegarLoop]: 466 mSDtfsCounter, 7 mSDsluCounter, 1573 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2039 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 20:22:43,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2039 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 20:22:43,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-12 20:22:43,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 704. [2024-11-12 20:22:43,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 688 states have (on average 1.3531976744186047) internal successors, (931), 690 states have internal predecessors, (931), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 20:22:43,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 955 transitions. [2024-11-12 20:22:43,900 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 955 transitions. Word has length 190 [2024-11-12 20:22:43,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:22:43,900 INFO L471 AbstractCegarLoop]: Abstraction has 704 states and 955 transitions. [2024-11-12 20:22:43,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 6 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 20:22:43,901 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 955 transitions. [2024-11-12 20:22:43,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-12 20:22:43,902 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:22:43,903 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:22:43,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 20:22:43,903 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 20:22:43,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:22:43,903 INFO L85 PathProgramCache]: Analyzing trace with hash 148056766, now seen corresponding path program 1 times [2024-11-12 20:22:43,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:22:43,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958650402] [2024-11-12 20:22:43,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:43,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:22:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:44,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 20:22:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:44,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 20:22:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:44,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 20:22:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:44,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 20:22:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:44,454 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-12 20:22:44,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:22:44,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958650402] [2024-11-12 20:22:44,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958650402] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:22:44,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948446290] [2024-11-12 20:22:44,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:44,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:22:44,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:22:44,456 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:22:44,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 20:22:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:44,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-12 20:22:44,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:22:45,074 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-12 20:22:45,075 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 20:22:45,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948446290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:22:45,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:22:45,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-12 20:22:45,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334300972] [2024-11-12 20:22:45,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:22:45,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 20:22:45,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:22:45,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 20:22:45,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-12 20:22:45,077 INFO L87 Difference]: Start difference. First operand 704 states and 955 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 20:22:45,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:22:45,457 INFO L93 Difference]: Finished difference Result 1253 states and 1697 transitions. [2024-11-12 20:22:45,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 20:22:45,458 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 191 [2024-11-12 20:22:45,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:22:45,460 INFO L225 Difference]: With dead ends: 1253 [2024-11-12 20:22:45,460 INFO L226 Difference]: Without dead ends: 786 [2024-11-12 20:22:45,461 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-12 20:22:45,461 INFO L435 NwaCegarLoop]: 463 mSDtfsCounter, 12 mSDsluCounter, 1770 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2233 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 20:22:45,462 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2233 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 20:22:45,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2024-11-12 20:22:45,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 778. [2024-11-12 20:22:45,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 762 states have (on average 1.337270341207349) internal successors, (1019), 764 states have internal predecessors, (1019), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 20:22:45,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 1043 transitions. [2024-11-12 20:22:45,474 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 1043 transitions. Word has length 191 [2024-11-12 20:22:45,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:22:45,474 INFO L471 AbstractCegarLoop]: Abstraction has 778 states and 1043 transitions. [2024-11-12 20:22:45,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 20:22:45,474 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1043 transitions. [2024-11-12 20:22:45,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-12 20:22:45,475 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:22:45,476 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:22:45,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 20:22:45,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:22:45,677 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 20:22:45,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:22:45,677 INFO L85 PathProgramCache]: Analyzing trace with hash 217565898, now seen corresponding path program 1 times [2024-11-12 20:22:45,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:22:45,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50080428] [2024-11-12 20:22:45,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:45,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:22:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:46,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 20:22:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:46,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 20:22:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:46,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 20:22:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:46,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 20:22:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:46,189 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 20:22:46,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:22:46,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50080428] [2024-11-12 20:22:46,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50080428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:22:46,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:22:46,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 20:22:46,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105317076] [2024-11-12 20:22:46,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:22:46,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 20:22:46,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:22:46,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 20:22:46,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-12 20:22:46,192 INFO L87 Difference]: Start difference. First operand 778 states and 1043 transitions. Second operand has 9 states, 9 states have (on average 19.444444444444443) internal successors, (175), 8 states have internal predecessors, (175), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 20:22:46,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:22:46,920 INFO L93 Difference]: Finished difference Result 1311 states and 1778 transitions. [2024-11-12 20:22:46,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 20:22:46,921 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.444444444444443) internal successors, (175), 8 states have internal predecessors, (175), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 192 [2024-11-12 20:22:46,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:22:46,924 INFO L225 Difference]: With dead ends: 1311 [2024-11-12 20:22:46,924 INFO L226 Difference]: Without dead ends: 817 [2024-11-12 20:22:46,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-12 20:22:46,925 INFO L435 NwaCegarLoop]: 458 mSDtfsCounter, 28 mSDsluCounter, 2032 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 2490 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 20:22:46,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 2490 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 20:22:46,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2024-11-12 20:22:46,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 796. [2024-11-12 20:22:46,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 780 states have (on average 1.3397435897435896) internal successors, (1045), 782 states have internal predecessors, (1045), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 20:22:46,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1069 transitions. [2024-11-12 20:22:46,937 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1069 transitions. Word has length 192 [2024-11-12 20:22:46,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:22:46,937 INFO L471 AbstractCegarLoop]: Abstraction has 796 states and 1069 transitions. [2024-11-12 20:22:46,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.444444444444443) internal successors, (175), 8 states have internal predecessors, (175), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 20:22:46,938 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1069 transitions. [2024-11-12 20:22:46,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-12 20:22:46,939 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:22:46,939 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:22:46,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 20:22:46,939 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 20:22:46,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:22:46,940 INFO L85 PathProgramCache]: Analyzing trace with hash -2001197486, now seen corresponding path program 1 times [2024-11-12 20:22:46,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:22:46,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900039535] [2024-11-12 20:22:46,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:46,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:22:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:47,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 20:22:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:47,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 20:22:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:47,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 20:22:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:47,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 20:22:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:47,412 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 20:22:47,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:22:47,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900039535] [2024-11-12 20:22:47,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900039535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:22:47,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:22:47,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 20:22:47,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881950133] [2024-11-12 20:22:47,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:22:47,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 20:22:47,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:22:47,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 20:22:47,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-12 20:22:47,414 INFO L87 Difference]: Start difference. First operand 796 states and 1069 transitions. Second operand has 10 states, 10 states have (on average 17.6) internal successors, (176), 9 states have internal predecessors, (176), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 20:22:48,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:22:48,227 INFO L93 Difference]: Finished difference Result 1335 states and 1811 transitions. [2024-11-12 20:22:48,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 20:22:48,227 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 9 states have internal predecessors, (176), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 193 [2024-11-12 20:22:48,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:22:48,230 INFO L225 Difference]: With dead ends: 1335 [2024-11-12 20:22:48,230 INFO L226 Difference]: Without dead ends: 827 [2024-11-12 20:22:48,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-12 20:22:48,231 INFO L435 NwaCegarLoop]: 464 mSDtfsCounter, 35 mSDsluCounter, 2834 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 3298 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 20:22:48,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 3298 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1103 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 20:22:48,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-11-12 20:22:48,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 812. [2024-11-12 20:22:48,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 796 states have (on average 1.3379396984924623) internal successors, (1065), 798 states have internal predecessors, (1065), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 20:22:48,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1089 transitions. [2024-11-12 20:22:48,244 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1089 transitions. Word has length 193 [2024-11-12 20:22:48,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:22:48,244 INFO L471 AbstractCegarLoop]: Abstraction has 812 states and 1089 transitions. [2024-11-12 20:22:48,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 9 states have internal predecessors, (176), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 20:22:48,244 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1089 transitions. [2024-11-12 20:22:48,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-12 20:22:48,246 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:22:48,246 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:22:48,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 20:22:48,246 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 20:22:48,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:22:48,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1090269785, now seen corresponding path program 1 times [2024-11-12 20:22:48,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:22:48,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799417018] [2024-11-12 20:22:48,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:48,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:22:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:48,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 20:22:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:48,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 20:22:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:48,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 20:22:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:48,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 20:22:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:48,675 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 20:22:48,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:22:48,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799417018] [2024-11-12 20:22:48,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799417018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:22:48,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:22:48,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 20:22:48,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21184631] [2024-11-12 20:22:48,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:22:48,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 20:22:48,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:22:48,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 20:22:48,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 20:22:48,677 INFO L87 Difference]: Start difference. First operand 812 states and 1089 transitions. Second operand has 8 states, 8 states have (on average 22.0) internal successors, (176), 7 states have internal predecessors, (176), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 20:22:49,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:22:49,315 INFO L93 Difference]: Finished difference Result 1343 states and 1818 transitions. [2024-11-12 20:22:49,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 20:22:49,315 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.0) internal successors, (176), 7 states have internal predecessors, (176), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 193 [2024-11-12 20:22:49,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:22:49,318 INFO L225 Difference]: With dead ends: 1343 [2024-11-12 20:22:49,318 INFO L226 Difference]: Without dead ends: 825 [2024-11-12 20:22:49,319 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 20:22:49,320 INFO L435 NwaCegarLoop]: 469 mSDtfsCounter, 15 mSDsluCounter, 2010 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2479 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 20:22:49,320 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2479 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 20:22:49,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2024-11-12 20:22:49,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 818. [2024-11-12 20:22:49,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 802 states have (on average 1.3354114713216958) internal successors, (1071), 804 states have internal predecessors, (1071), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 20:22:49,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1095 transitions. [2024-11-12 20:22:49,332 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1095 transitions. Word has length 193 [2024-11-12 20:22:49,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:22:49,332 INFO L471 AbstractCegarLoop]: Abstraction has 818 states and 1095 transitions. [2024-11-12 20:22:49,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.0) internal successors, (176), 7 states have internal predecessors, (176), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 20:22:49,332 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1095 transitions. [2024-11-12 20:22:49,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-12 20:22:49,334 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:22:49,334 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:22:49,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 20:22:49,334 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 20:22:49,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:22:49,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1834389433, now seen corresponding path program 1 times [2024-11-12 20:22:49,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:22:49,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582647300] [2024-11-12 20:22:49,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:49,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:22:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:49,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 20:22:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:49,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 20:22:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:49,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 20:22:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:49,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 20:22:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:49,921 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-12 20:22:49,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:22:49,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582647300] [2024-11-12 20:22:49,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582647300] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:22:49,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800179504] [2024-11-12 20:22:49,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:49,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:22:49,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:22:49,924 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:22:49,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 20:22:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:50,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 20:22:50,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:22:50,559 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 20:22:50,559 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 20:22:50,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800179504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:22:50,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:22:50,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-12 20:22:50,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586082095] [2024-11-12 20:22:50,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:22:50,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 20:22:50,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:22:50,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 20:22:50,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-12 20:22:50,561 INFO L87 Difference]: Start difference. First operand 818 states and 1095 transitions. Second operand has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 20:22:50,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:22:50,627 INFO L93 Difference]: Finished difference Result 1546 states and 2086 transitions. [2024-11-12 20:22:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 20:22:50,628 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 194 [2024-11-12 20:22:50,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:22:50,631 INFO L225 Difference]: With dead ends: 1546 [2024-11-12 20:22:50,631 INFO L226 Difference]: Without dead ends: 821 [2024-11-12 20:22:50,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-12 20:22:50,632 INFO L435 NwaCegarLoop]: 510 mSDtfsCounter, 445 mSDsluCounter, 1477 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 1987 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 20:22:50,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 1987 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:22:50,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-11-12 20:22:50,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 821. [2024-11-12 20:22:50,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 804 states have (on average 1.335820895522388) internal successors, (1074), 807 states have internal predecessors, (1074), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-12 20:22:50,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1102 transitions. [2024-11-12 20:22:50,664 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1102 transitions. Word has length 194 [2024-11-12 20:22:50,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:22:50,664 INFO L471 AbstractCegarLoop]: Abstraction has 821 states and 1102 transitions. [2024-11-12 20:22:50,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 20:22:50,665 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1102 transitions. [2024-11-12 20:22:50,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-12 20:22:50,666 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:22:50,667 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:22:50,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 20:22:50,867 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,SelfDestructingSolverStorable16 [2024-11-12 20:22:50,868 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 20:22:50,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:22:50,868 INFO L85 PathProgramCache]: Analyzing trace with hash 712142279, now seen corresponding path program 1 times [2024-11-12 20:22:50,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:22:50,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723616978] [2024-11-12 20:22:50,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:50,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:22:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:51,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 20:22:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:51,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 20:22:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:51,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 20:22:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:51,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 20:22:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:51,562 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-12 20:22:51,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:22:51,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723616978] [2024-11-12 20:22:51,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723616978] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:22:51,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594169533] [2024-11-12 20:22:51,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:51,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:22:51,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:22:51,567 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:22:51,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 20:22:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:52,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-12 20:22:52,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:22:52,529 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 20:22:52,529 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 20:22:52,933 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-12 20:22:52,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594169533] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 20:22:52,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 20:22:52,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 8] total 15 [2024-11-12 20:22:52,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505552959] [2024-11-12 20:22:52,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 20:22:52,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 20:22:52,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:22:52,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 20:22:52,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-12 20:22:52,936 INFO L87 Difference]: Start difference. First operand 821 states and 1102 transitions. Second operand has 15 states, 15 states have (on average 24.2) internal successors, (363), 14 states have internal predecessors, (363), 4 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-12 20:22:53,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:22:53,400 INFO L93 Difference]: Finished difference Result 1560 states and 2116 transitions. [2024-11-12 20:22:53,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 20:22:53,401 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 24.2) internal successors, (363), 14 states have internal predecessors, (363), 4 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 198 [2024-11-12 20:22:53,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:22:53,404 INFO L225 Difference]: With dead ends: 1560 [2024-11-12 20:22:53,404 INFO L226 Difference]: Without dead ends: 830 [2024-11-12 20:22:53,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2024-11-12 20:22:53,405 INFO L435 NwaCegarLoop]: 510 mSDtfsCounter, 391 mSDsluCounter, 3900 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 4410 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 20:22:53,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 4410 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 20:22:53,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2024-11-12 20:22:53,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 830. [2024-11-12 20:22:53,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 812 states have (on average 1.3374384236453203) internal successors, (1086), 815 states have internal predecessors, (1086), 12 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-12 20:22:53,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1114 transitions. [2024-11-12 20:22:53,419 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1114 transitions. Word has length 198 [2024-11-12 20:22:53,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:22:53,419 INFO L471 AbstractCegarLoop]: Abstraction has 830 states and 1114 transitions. [2024-11-12 20:22:53,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 24.2) internal successors, (363), 14 states have internal predecessors, (363), 4 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-12 20:22:53,420 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1114 transitions. [2024-11-12 20:22:53,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-12 20:22:53,421 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:22:53,421 INFO L218 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:22:53,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-12 20:22:53,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-12 20:22:53,622 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-12 20:22:53,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:22:53,623 INFO L85 PathProgramCache]: Analyzing trace with hash -273323769, now seen corresponding path program 2 times [2024-11-12 20:22:53,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:22:53,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247953330] [2024-11-12 20:22:53,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:22:53,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:22:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:54,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 20:22:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:54,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 20:22:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:54,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 20:22:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:54,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 20:22:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:22:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 5 proven. 71 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-12 20:22:54,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:22:54,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247953330] [2024-11-12 20:22:54,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247953330] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:22:54,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862249499] [2024-11-12 20:22:54,689 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 20:22:54,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:22:54,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:22:54,693 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:22:54,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 20:22:55,533 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 20:22:55,533 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 20:22:55,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 245 conjuncts are in the unsatisfiable core [2024-11-12 20:22:55,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:22:55,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-12 20:22:55,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-12 20:22:56,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 11 [2024-11-12 20:22:56,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2024-11-12 20:22:56,141 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-12 20:22:56,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-11-12 20:22:56,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-12 20:22:56,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-12 20:22:56,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-12 20:22:56,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-12 20:22:56,402 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-12 20:22:56,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-12 20:22:56,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-12 20:23:56,086 WARN L286 SmtUtils]: Spent 54.08s on a formula simplification. DAG size of input: 52366 DAG size of output: 1 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-12 20:23:56,087 INFO L349 Elim1Store]: treesize reduction 1060308, result has 0.0 percent of original size [2024-11-12 20:23:56,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 241 stores, 25 select indices, 25 select index equivalence classes, 1 disjoint index pairs (out of 300 index pairs), introduced 287 new quantified variables, introduced 6562 case distinctions, treesize of input 3077417439 treesize of output 819841624