./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d 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_SAX_nondet_test1-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:25:41,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:25:41,484 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:25:41,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:25:41,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:25:41,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:25:41,523 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:25:41,524 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:25:41,524 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:25:41,525 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:25:41,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:25:41,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:25:41,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:25:41,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:25:41,529 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:25:41,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:25:41,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:25:41,530 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:25:41,530 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:25:41,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:25:41,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:25:41,533 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:25:41,533 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:25:41,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:25:41,534 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:25:41,534 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:25:41,535 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:25:41,535 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:25:41,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:25:41,536 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:25:41,536 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:25:41,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:25:41,537 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:25:41,537 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:25:41,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:25:41,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:25:41,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:25:41,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:25:41,539 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:25:41,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:25:41,539 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:25:41,540 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:25:41,540 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:25:41,540 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:25:41,540 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2024-11-17 07:25:41,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:25:41,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:25:41,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:25:41,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:25:41,850 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:25:41,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i [2024-11-17 07:25:43,343 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:25:43,686 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:25:43,686 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i [2024-11-17 07:25:43,703 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0417b336e/a2cce1c583a8489ea991eb90e1783664/FLAG0a8af5270 [2024-11-17 07:25:43,720 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0417b336e/a2cce1c583a8489ea991eb90e1783664 [2024-11-17 07:25:43,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:25:43,725 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:25:43,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:25:43,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:25:43,734 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:25:43,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:25:43" (1/1) ... [2024-11-17 07:25:43,736 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a49e266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:25:43, skipping insertion in model container [2024-11-17 07:25:43,736 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:25:43" (1/1) ... [2024-11-17 07:25:43,789 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:25:44,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:25:44,357 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:25:44,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:25:44,476 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:25:44,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:25:44 WrapperNode [2024-11-17 07:25:44,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:25:44,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:25:44,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:25:44,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:25:44,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:25:44" (1/1) ... [2024-11-17 07:25:44,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:25:44" (1/1) ... [2024-11-17 07:25:44,569 INFO L138 Inliner]: procedures = 176, calls = 221, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 948 [2024-11-17 07:25:44,570 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:25:44,571 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:25:44,571 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:25:44,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:25:44,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:25:44" (1/1) ... [2024-11-17 07:25:44,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:25:44" (1/1) ... [2024-11-17 07:25:44,596 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:25:44" (1/1) ... [2024-11-17 07:25:44,669 INFO L175 MemorySlicer]: Split 206 memory accesses to 2 slices as follows [2, 204]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 50 writes are split as follows [0, 50]. [2024-11-17 07:25:44,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:25:44" (1/1) ... [2024-11-17 07:25:44,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:25:44" (1/1) ... [2024-11-17 07:25:44,709 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:25:44" (1/1) ... [2024-11-17 07:25:44,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:25:44" (1/1) ... [2024-11-17 07:25:44,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:25:44" (1/1) ... [2024-11-17 07:25:44,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:25:44" (1/1) ... [2024-11-17 07:25:44,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:25:44,736 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:25:44,736 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:25:44,737 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:25:44,738 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:25:44" (1/1) ... [2024-11-17 07:25:44,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:25:44,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:25:44,775 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) [2024-11-17 07:25:44,781 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 [2024-11-17 07:25:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 07:25:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 07:25:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 07:25:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 07:25:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-17 07:25:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-17 07:25:44,831 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-17 07:25:44,831 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-17 07:25:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 07:25:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:25:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 07:25:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 07:25:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 07:25:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 07:25:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 07:25:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:25:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 07:25:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:25:44,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:25:45,069 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:25:45,071 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:25:46,205 INFO L? ?]: Removed 229 outVars from TransFormulas that were not future-live. [2024-11-17 07:25:46,206 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:25:46,253 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:25:46,254 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-17 07:25:46,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:25:46 BoogieIcfgContainer [2024-11-17 07:25:46,255 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:25:46,257 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:25:46,257 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:25:46,262 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:25:46,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:25:43" (1/3) ... [2024-11-17 07:25:46,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@192c3697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:25:46, skipping insertion in model container [2024-11-17 07:25:46,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:25:44" (2/3) ... [2024-11-17 07:25:46,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@192c3697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:25:46, skipping insertion in model container [2024-11-17 07:25:46,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:25:46" (3/3) ... [2024-11-17 07:25:46,267 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test1-2.i [2024-11-17 07:25:46,285 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:25:46,285 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-17 07:25:46,357 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:25:46,364 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;@153faa84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:25:46,364 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-17 07:25:46,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 264 states, 253 states have (on average 1.6007905138339922) internal successors, (405), 259 states have internal predecessors, (405), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:25:46,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 07:25:46,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:25:46,378 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:25:46,379 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:25:46,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:25:46,385 INFO L85 PathProgramCache]: Analyzing trace with hash 876078195, now seen corresponding path program 1 times [2024-11-17 07:25:46,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:25:46,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416154860] [2024-11-17 07:25:46,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:25:46,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:25:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:46,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:25:46,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:25:46,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416154860] [2024-11-17 07:25:46,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416154860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:25:46,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:25:46,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:25:46,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167545756] [2024-11-17 07:25:46,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:25:46,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 07:25:46,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:25:46,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 07:25:46,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:25:46,588 INFO L87 Difference]: Start difference. First operand has 264 states, 253 states have (on average 1.6007905138339922) internal successors, (405), 259 states have internal predecessors, (405), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:25:46,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:25:46,673 INFO L93 Difference]: Finished difference Result 525 states and 819 transitions. [2024-11-17 07:25:46,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 07:25:46,678 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 [2024-11-17 07:25:46,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:25:46,690 INFO L225 Difference]: With dead ends: 525 [2024-11-17 07:25:46,690 INFO L226 Difference]: Without dead ends: 221 [2024-11-17 07:25:46,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:25:46,701 INFO L432 NwaCegarLoop]: 341 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 07:25:46,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 341 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 07:25:46,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-17 07:25:46,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2024-11-17 07:25:46,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 211 states have (on average 1.4360189573459716) internal successors, (303), 216 states have internal predecessors, (303), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:25:46,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 309 transitions. [2024-11-17 07:25:46,784 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 309 transitions. Word has length 7 [2024-11-17 07:25:46,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:25:46,785 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 309 transitions. [2024-11-17 07:25:46,785 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) [2024-11-17 07:25:46,785 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 309 transitions. [2024-11-17 07:25:46,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 07:25:46,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:25:46,786 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:25:46,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:25:46,786 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:25:46,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:25:46,792 INFO L85 PathProgramCache]: Analyzing trace with hash 876079156, now seen corresponding path program 1 times [2024-11-17 07:25:46,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:25:46,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111438127] [2024-11-17 07:25:46,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:25:46,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:25:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:47,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:25:47,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:25:47,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111438127] [2024-11-17 07:25:47,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111438127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:25:47,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:25:47,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:25:47,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405666417] [2024-11-17 07:25:47,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:25:47,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:25:47,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:25:47,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:25:47,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:25:47,097 INFO L87 Difference]: Start difference. First operand 221 states and 309 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:25:47,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:25:47,223 INFO L93 Difference]: Finished difference Result 235 states and 327 transitions. [2024-11-17 07:25:47,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:25:47,224 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-17 07:25:47,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:25:47,226 INFO L225 Difference]: With dead ends: 235 [2024-11-17 07:25:47,226 INFO L226 Difference]: Without dead ends: 234 [2024-11-17 07:25:47,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:25:47,228 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 10 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:25:47,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 561 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:25:47,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-17 07:25:47,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 226. [2024-11-17 07:25:47,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 216 states have (on average 1.4305555555555556) internal successors, (309), 221 states have internal predecessors, (309), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:25:47,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 315 transitions. [2024-11-17 07:25:47,247 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 315 transitions. Word has length 7 [2024-11-17 07:25:47,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:25:47,248 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 315 transitions. [2024-11-17 07:25:47,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:25:47,248 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 315 transitions. [2024-11-17 07:25:47,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:25:47,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:25:47,248 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:25:47,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 07:25:47,249 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:25:47,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:25:47,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1376029047, now seen corresponding path program 1 times [2024-11-17 07:25:47,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:25:47,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527069027] [2024-11-17 07:25:47,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:25:47,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:25:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:47,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:25:47,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:25:47,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527069027] [2024-11-17 07:25:47,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527069027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:25:47,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:25:47,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:25:47,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334540931] [2024-11-17 07:25:47,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:25:47,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:25:47,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:25:47,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:25:47,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:25:47,299 INFO L87 Difference]: Start difference. First operand 226 states and 315 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:25:47,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:25:47,414 INFO L93 Difference]: Finished difference Result 430 states and 606 transitions. [2024-11-17 07:25:47,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:25:47,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-17 07:25:47,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:25:47,418 INFO L225 Difference]: With dead ends: 430 [2024-11-17 07:25:47,418 INFO L226 Difference]: Without dead ends: 422 [2024-11-17 07:25:47,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:25:47,420 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 280 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:25:47,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 606 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:25:47,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-17 07:25:47,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 226. [2024-11-17 07:25:47,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 216 states have (on average 1.4259259259259258) internal successors, (308), 221 states have internal predecessors, (308), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:25:47,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 314 transitions. [2024-11-17 07:25:47,444 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 314 transitions. Word has length 8 [2024-11-17 07:25:47,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:25:47,444 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 314 transitions. [2024-11-17 07:25:47,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:25:47,445 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 314 transitions. [2024-11-17 07:25:47,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:25:47,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:25:47,446 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:25:47,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 07:25:47,447 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:25:47,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:25:47,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1388650460, now seen corresponding path program 1 times [2024-11-17 07:25:47,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:25:47,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513707991] [2024-11-17 07:25:47,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:25:47,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:25:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:47,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:25:47,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:25:47,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513707991] [2024-11-17 07:25:47,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513707991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:25:47,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:25:47,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:25:47,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079724312] [2024-11-17 07:25:47,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:25:47,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:25:47,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:25:47,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:25:47,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:25:47,585 INFO L87 Difference]: Start difference. First operand 226 states and 314 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:25:47,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:25:47,659 INFO L93 Difference]: Finished difference Result 229 states and 317 transitions. [2024-11-17 07:25:47,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:25:47,659 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-17 07:25:47,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:25:47,661 INFO L225 Difference]: With dead ends: 229 [2024-11-17 07:25:47,661 INFO L226 Difference]: Without dead ends: 228 [2024-11-17 07:25:47,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:25:47,663 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 2 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:25:47,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 563 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:25:47,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-17 07:25:47,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 227. [2024-11-17 07:25:47,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 217 states have (on average 1.423963133640553) internal successors, (309), 222 states have internal predecessors, (309), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:25:47,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 315 transitions. [2024-11-17 07:25:47,681 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 315 transitions. Word has length 8 [2024-11-17 07:25:47,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:25:47,681 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 315 transitions. [2024-11-17 07:25:47,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:25:47,681 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 315 transitions. [2024-11-17 07:25:47,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-17 07:25:47,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:25:47,684 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:25:47,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:25:47,685 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:25:47,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:25:47,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1411240038, now seen corresponding path program 1 times [2024-11-17 07:25:47,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:25:47,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870681329] [2024-11-17 07:25:47,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:25:47,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:25:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:47,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:25:47,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:25:47,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870681329] [2024-11-17 07:25:47,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870681329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:25:47,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:25:47,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:25:47,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135285928] [2024-11-17 07:25:47,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:25:47,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:25:47,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:25:47,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:25:47,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:25:47,945 INFO L87 Difference]: Start difference. First operand 227 states and 315 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:25:48,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:25:48,081 INFO L93 Difference]: Finished difference Result 466 states and 652 transitions. [2024-11-17 07:25:48,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:25:48,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-17 07:25:48,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:25:48,083 INFO L225 Difference]: With dead ends: 466 [2024-11-17 07:25:48,084 INFO L226 Difference]: Without dead ends: 247 [2024-11-17 07:25:48,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:25:48,091 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 8 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:25:48,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 519 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:25:48,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-17 07:25:48,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2024-11-17 07:25:48,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 237 states have (on average 1.3881856540084387) internal successors, (329), 242 states have internal predecessors, (329), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:25:48,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 335 transitions. [2024-11-17 07:25:48,100 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 335 transitions. Word has length 83 [2024-11-17 07:25:48,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:25:48,101 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 335 transitions. [2024-11-17 07:25:48,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:25:48,101 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 335 transitions. [2024-11-17 07:25:48,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-17 07:25:48,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:25:48,106 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:25:48,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 07:25:48,107 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:25:48,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:25:48,107 INFO L85 PathProgramCache]: Analyzing trace with hash 396607483, now seen corresponding path program 1 times [2024-11-17 07:25:48,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:25:48,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954805890] [2024-11-17 07:25:48,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:25:48,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:25:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:48,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:25:48,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:25:48,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954805890] [2024-11-17 07:25:48,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954805890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:25:48,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:25:48,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:25:48,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475631650] [2024-11-17 07:25:48,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:25:48,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:25:48,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:25:48,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:25:48,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:25:48,365 INFO L87 Difference]: Start difference. First operand 247 states and 335 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:25:48,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:25:48,503 INFO L93 Difference]: Finished difference Result 472 states and 648 transitions. [2024-11-17 07:25:48,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:25:48,504 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-17 07:25:48,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:25:48,505 INFO L225 Difference]: With dead ends: 472 [2024-11-17 07:25:48,505 INFO L226 Difference]: Without dead ends: 233 [2024-11-17 07:25:48,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:25:48,507 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 105 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:25:48,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 692 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:25:48,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-17 07:25:48,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-11-17 07:25:48,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 223 states have (on average 1.3811659192825112) internal successors, (308), 228 states have internal predecessors, (308), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:25:48,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 314 transitions. [2024-11-17 07:25:48,518 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 314 transitions. Word has length 83 [2024-11-17 07:25:48,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:25:48,519 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 314 transitions. [2024-11-17 07:25:48,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:25:48,519 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 314 transitions. [2024-11-17 07:25:48,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-17 07:25:48,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:25:48,524 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:25:48,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 07:25:48,525 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:25:48,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:25:48,525 INFO L85 PathProgramCache]: Analyzing trace with hash -989336236, now seen corresponding path program 1 times [2024-11-17 07:25:48,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:25:48,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447922615] [2024-11-17 07:25:48,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:25:48,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:25:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:48,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:25:48,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:25:48,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447922615] [2024-11-17 07:25:48,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447922615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:25:48,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:25:48,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:25:48,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632084386] [2024-11-17 07:25:48,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:25:48,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:25:48,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:25:48,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:25:48,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:25:48,693 INFO L87 Difference]: Start difference. First operand 233 states and 314 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:25:48,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:25:48,797 INFO L93 Difference]: Finished difference Result 593 states and 815 transitions. [2024-11-17 07:25:48,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:25:48,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-17 07:25:48,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:25:48,800 INFO L225 Difference]: With dead ends: 593 [2024-11-17 07:25:48,801 INFO L226 Difference]: Without dead ends: 368 [2024-11-17 07:25:48,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:25:48,804 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 134 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:25:48,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 550 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:25:48,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-17 07:25:48,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-11-17 07:25:48,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 358 states have (on average 1.4022346368715084) internal successors, (502), 363 states have internal predecessors, (502), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:25:48,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 508 transitions. [2024-11-17 07:25:48,817 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 508 transitions. Word has length 83 [2024-11-17 07:25:48,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:25:48,817 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 508 transitions. [2024-11-17 07:25:48,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:25:48,818 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 508 transitions. [2024-11-17 07:25:48,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-17 07:25:48,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:25:48,819 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:25:48,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 07:25:48,820 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:25:48,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:25:48,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1555462665, now seen corresponding path program 1 times [2024-11-17 07:25:48,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:25:48,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541681204] [2024-11-17 07:25:48,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:25:48,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:25:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:49,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:25:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:49,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:25:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:25:49,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:25:49,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541681204] [2024-11-17 07:25:49,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541681204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:25:49,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:25:49,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:25:49,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196248987] [2024-11-17 07:25:49,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:25:49,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:25:49,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:25:49,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:25:49,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:25:49,094 INFO L87 Difference]: Start difference. First operand 368 states and 508 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:25:49,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:25:49,422 INFO L93 Difference]: Finished difference Result 439 states and 605 transitions. [2024-11-17 07:25:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:25:49,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 98 [2024-11-17 07:25:49,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:25:49,426 INFO L225 Difference]: With dead ends: 439 [2024-11-17 07:25:49,426 INFO L226 Difference]: Without dead ends: 437 [2024-11-17 07:25:49,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:25:49,427 INFO L432 NwaCegarLoop]: 314 mSDtfsCounter, 191 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:25:49,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 1145 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 07:25:49,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-17 07:25:49,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 433. [2024-11-17 07:25:49,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 420 states have (on average 1.3833333333333333) internal successors, (581), 425 states have internal predecessors, (581), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:25:49,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 593 transitions. [2024-11-17 07:25:49,441 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 593 transitions. Word has length 98 [2024-11-17 07:25:49,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:25:49,441 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 593 transitions. [2024-11-17 07:25:49,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:25:49,442 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 593 transitions. [2024-11-17 07:25:49,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-17 07:25:49,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:25:49,443 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:25:49,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 07:25:49,443 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:25:49,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:25:49,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1945571615, now seen corresponding path program 1 times [2024-11-17 07:25:49,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:25:49,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570809689] [2024-11-17 07:25:49,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:25:49,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:25:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:50,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:25:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:50,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:25:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:50,163 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:25:50,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:25:50,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570809689] [2024-11-17 07:25:50,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570809689] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:25:50,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598590974] [2024-11-17 07:25:50,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:25:50,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:25:50,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:25:50,166 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) [2024-11-17 07:25:50,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 07:25:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:50,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 07:25:50,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:25:50,768 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:25:50,768 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:25:50,976 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:25:50,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598590974] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:25:50,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:25:50,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-17 07:25:50,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732051061] [2024-11-17 07:25:50,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:25:50,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 07:25:50,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:25:50,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 07:25:50,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:25:50,982 INFO L87 Difference]: Start difference. First operand 433 states and 593 transitions. Second operand has 14 states, 13 states have (on average 15.615384615384615) internal successors, (203), 13 states have internal predecessors, (203), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:25:51,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:25:51,527 INFO L93 Difference]: Finished difference Result 885 states and 1231 transitions. [2024-11-17 07:25:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 07:25:51,528 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 15.615384615384615) internal successors, (203), 13 states have internal predecessors, (203), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 105 [2024-11-17 07:25:51,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:25:51,535 INFO L225 Difference]: With dead ends: 885 [2024-11-17 07:25:51,536 INFO L226 Difference]: Without dead ends: 884 [2024-11-17 07:25:51,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-17 07:25:51,538 INFO L432 NwaCegarLoop]: 311 mSDtfsCounter, 836 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 2567 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:25:51,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 2567 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:25:51,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2024-11-17 07:25:51,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 857. [2024-11-17 07:25:51,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 838 states have (on average 1.3866348448687351) internal successors, (1162), 843 states have internal predecessors, (1162), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 07:25:51,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1186 transitions. [2024-11-17 07:25:51,570 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1186 transitions. Word has length 105 [2024-11-17 07:25:51,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:25:51,570 INFO L471 AbstractCegarLoop]: Abstraction has 857 states and 1186 transitions. [2024-11-17 07:25:51,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 15.615384615384615) internal successors, (203), 13 states have internal predecessors, (203), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:25:51,572 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1186 transitions. [2024-11-17 07:25:51,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-17 07:25:51,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:25:51,573 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:25:51,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 07:25:51,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:25:51,774 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:25:51,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:25:51,774 INFO L85 PathProgramCache]: Analyzing trace with hash 170556908, now seen corresponding path program 1 times [2024-11-17 07:25:51,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:25:51,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94337320] [2024-11-17 07:25:51,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:25:51,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:25:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:52,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:25:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:52,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:25:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:52,051 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:25:52,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:25:52,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94337320] [2024-11-17 07:25:52,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94337320] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:25:52,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074019395] [2024-11-17 07:25:52,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:25:52,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:25:52,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:25:52,054 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) [2024-11-17 07:25:52,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 07:25:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:52,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 07:25:52,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:25:52,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:25:52,498 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:25:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:25:52,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074019395] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:25:52,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:25:52,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-11-17 07:25:52,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471741616] [2024-11-17 07:25:52,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:25:52,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:25:52,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:25:52,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:25:52,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:25:52,671 INFO L87 Difference]: Start difference. First operand 857 states and 1186 transitions. Second operand has 11 states, 11 states have (on average 25.454545454545453) internal successors, (280), 10 states have internal predecessors, (280), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 07:25:53,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:25:53,162 INFO L93 Difference]: Finished difference Result 870 states and 1209 transitions. [2024-11-17 07:25:53,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:25:53,163 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 25.454545454545453) internal successors, (280), 10 states have internal predecessors, (280), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 106 [2024-11-17 07:25:53,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:25:53,168 INFO L225 Difference]: With dead ends: 870 [2024-11-17 07:25:53,168 INFO L226 Difference]: Without dead ends: 861 [2024-11-17 07:25:53,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:25:53,169 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 926 mSDsluCounter, 1933 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 940 SdHoareTripleChecker+Valid, 2246 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 07:25:53,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [940 Valid, 2246 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 07:25:53,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2024-11-17 07:25:53,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 857. [2024-11-17 07:25:53,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 838 states have (on average 1.3830548926014319) internal successors, (1159), 843 states have internal predecessors, (1159), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 07:25:53,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1183 transitions. [2024-11-17 07:25:53,196 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1183 transitions. Word has length 106 [2024-11-17 07:25:53,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:25:53,197 INFO L471 AbstractCegarLoop]: Abstraction has 857 states and 1183 transitions. [2024-11-17 07:25:53,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 25.454545454545453) internal successors, (280), 10 states have internal predecessors, (280), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 07:25:53,198 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1183 transitions. [2024-11-17 07:25:53,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-17 07:25:53,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:25:53,199 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:25:53,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 07:25:53,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-17 07:25:53,400 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:25:53,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:25:53,400 INFO L85 PathProgramCache]: Analyzing trace with hash 183178321, now seen corresponding path program 1 times [2024-11-17 07:25:53,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:25:53,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92849275] [2024-11-17 07:25:53,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:25:53,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:25:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:54,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:25:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:54,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:25:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:54,089 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:25:54,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:25:54,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92849275] [2024-11-17 07:25:54,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92849275] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:25:54,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709037086] [2024-11-17 07:25:54,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:25:54,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:25:54,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:25:54,093 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) [2024-11-17 07:25:54,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 07:25:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:54,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 07:25:54,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:25:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:25:54,622 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:25:54,785 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:25:54,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709037086] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:25:54,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:25:54,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-17 07:25:54,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286606936] [2024-11-17 07:25:54,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:25:54,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 07:25:54,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:25:54,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 07:25:54,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:25:54,788 INFO L87 Difference]: Start difference. First operand 857 states and 1183 transitions. Second operand has 14 states, 13 states have (on average 15.846153846153847) internal successors, (206), 13 states have internal predecessors, (206), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:25:55,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:25:55,366 INFO L93 Difference]: Finished difference Result 872 states and 1209 transitions. [2024-11-17 07:25:55,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 07:25:55,366 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 15.846153846153847) internal successors, (206), 13 states have internal predecessors, (206), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 106 [2024-11-17 07:25:55,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:25:55,371 INFO L225 Difference]: With dead ends: 872 [2024-11-17 07:25:55,371 INFO L226 Difference]: Without dead ends: 871 [2024-11-17 07:25:55,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-17 07:25:55,372 INFO L432 NwaCegarLoop]: 353 mSDtfsCounter, 817 mSDsluCounter, 1987 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 2340 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:25:55,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 2340 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:25:55,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2024-11-17 07:25:55,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 858. [2024-11-17 07:25:55,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 839 states have (on average 1.3802145411203814) internal successors, (1158), 844 states have internal predecessors, (1158), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 07:25:55,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1182 transitions. [2024-11-17 07:25:55,400 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1182 transitions. Word has length 106 [2024-11-17 07:25:55,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:25:55,400 INFO L471 AbstractCegarLoop]: Abstraction has 858 states and 1182 transitions. [2024-11-17 07:25:55,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 15.846153846153847) internal successors, (206), 13 states have internal predecessors, (206), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:25:55,401 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1182 transitions. [2024-11-17 07:25:55,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-17 07:25:55,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:25:55,405 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:25:55,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 07:25:55,605 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 [2024-11-17 07:25:55,606 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:25:55,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:25:55,606 INFO L85 PathProgramCache]: Analyzing trace with hash -409389633, now seen corresponding path program 1 times [2024-11-17 07:25:55,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:25:55,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957183147] [2024-11-17 07:25:55,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:25:55,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:25:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:56,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:25:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:56,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:25:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:56,055 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:25:56,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:25:56,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957183147] [2024-11-17 07:25:56,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957183147] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:25:56,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695636247] [2024-11-17 07:25:56,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:25:56,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:25:56,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:25:56,060 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) [2024-11-17 07:25:56,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 07:25:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:56,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 07:25:56,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:25:56,708 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:25:56,708 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:25:56,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695636247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:25:56,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:25:56,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-17 07:25:56,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276254214] [2024-11-17 07:25:56,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:25:56,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 07:25:56,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:25:56,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 07:25:56,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-17 07:25:56,712 INFO L87 Difference]: Start difference. First operand 858 states and 1182 transitions. Second operand has 6 states, 5 states have (on average 34.8) internal successors, (174), 6 states have internal predecessors, (174), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:25:56,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:25:56,886 INFO L93 Difference]: Finished difference Result 858 states and 1182 transitions. [2024-11-17 07:25:56,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 07:25:56,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 34.8) internal successors, (174), 6 states have internal predecessors, (174), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 181 [2024-11-17 07:25:56,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:25:56,890 INFO L225 Difference]: With dead ends: 858 [2024-11-17 07:25:56,890 INFO L226 Difference]: Without dead ends: 857 [2024-11-17 07:25:56,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-17 07:25:56,891 INFO L432 NwaCegarLoop]: 523 mSDtfsCounter, 386 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 1832 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:25:56,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 1832 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:25:56,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2024-11-17 07:25:56,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 857. [2024-11-17 07:25:56,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 839 states have (on average 1.3766388557806912) internal successors, (1155), 843 states have internal predecessors, (1155), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 07:25:56,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1179 transitions. [2024-11-17 07:25:56,915 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1179 transitions. Word has length 181 [2024-11-17 07:25:56,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:25:56,916 INFO L471 AbstractCegarLoop]: Abstraction has 857 states and 1179 transitions. [2024-11-17 07:25:56,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 34.8) internal successors, (174), 6 states have internal predecessors, (174), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:25:56,916 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1179 transitions. [2024-11-17 07:25:56,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-11-17 07:25:56,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:25:56,919 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:25:56,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 07:25:57,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:25:57,121 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:25:57,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:25:57,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1777155619, now seen corresponding path program 1 times [2024-11-17 07:25:57,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:25:57,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391238859] [2024-11-17 07:25:57,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:25:57,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:25:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:57,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:25:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:57,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:25:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:57,571 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-17 07:25:57,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:25:57,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391238859] [2024-11-17 07:25:57,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391238859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:25:57,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:25:57,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:25:57,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518277495] [2024-11-17 07:25:57,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:25:57,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:25:57,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:25:57,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:25:57,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:25:57,574 INFO L87 Difference]: Start difference. First operand 857 states and 1179 transitions. Second operand has 5 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:25:57,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:25:57,893 INFO L93 Difference]: Finished difference Result 860 states and 1194 transitions. [2024-11-17 07:25:57,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:25:57,894 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 265 [2024-11-17 07:25:57,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:25:57,897 INFO L225 Difference]: With dead ends: 860 [2024-11-17 07:25:57,897 INFO L226 Difference]: Without dead ends: 859 [2024-11-17 07:25:57,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:25:57,899 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 201 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:25:57,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 781 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 07:25:57,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-11-17 07:25:57,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 856. [2024-11-17 07:25:57,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 839 states have (on average 1.3742550655542312) internal successors, (1153), 842 states have internal predecessors, (1153), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 07:25:57,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1177 transitions. [2024-11-17 07:25:57,922 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1177 transitions. Word has length 265 [2024-11-17 07:25:57,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:25:57,923 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1177 transitions. [2024-11-17 07:25:57,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:25:57,923 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1177 transitions. [2024-11-17 07:25:57,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-17 07:25:57,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:25:57,926 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:25:57,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 07:25:57,927 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:25:57,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:25:57,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1497684204, now seen corresponding path program 1 times [2024-11-17 07:25:57,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:25:57,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084154538] [2024-11-17 07:25:57,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:25:57,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:25:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:58,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:25:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:58,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:25:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:58,707 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 251 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:25:58,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:25:58,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084154538] [2024-11-17 07:25:58,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084154538] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:25:58,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199243420] [2024-11-17 07:25:58,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:25:58,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:25:58,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:25:58,710 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) [2024-11-17 07:25:58,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 07:25:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:25:59,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 07:25:59,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:25:59,616 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 251 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:25:59,616 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:26:00,031 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 251 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:26:00,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199243420] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:26:00,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:26:00,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 19 [2024-11-17 07:26:00,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681357835] [2024-11-17 07:26:00,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:26:00,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-17 07:26:00,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:26:00,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-17 07:26:00,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-17 07:26:00,036 INFO L87 Difference]: Start difference. First operand 856 states and 1177 transitions. Second operand has 19 states, 19 states have (on average 32.21052631578947) internal successors, (612), 18 states have internal predecessors, (612), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 07:26:00,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:26:00,784 INFO L93 Difference]: Finished difference Result 1494 states and 2079 transitions. [2024-11-17 07:26:00,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 07:26:00,785 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 32.21052631578947) internal successors, (612), 18 states have internal predecessors, (612), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 272 [2024-11-17 07:26:00,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:26:00,791 INFO L225 Difference]: With dead ends: 1494 [2024-11-17 07:26:00,791 INFO L226 Difference]: Without dead ends: 1486 [2024-11-17 07:26:00,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 538 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-17 07:26:00,793 INFO L432 NwaCegarLoop]: 312 mSDtfsCounter, 2089 mSDsluCounter, 2456 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2127 SdHoareTripleChecker+Valid, 2768 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:26:00,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2127 Valid, 2768 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:26:00,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2024-11-17 07:26:00,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1479. [2024-11-17 07:26:00,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1479 states, 1453 states have (on average 1.377150722642808) internal successors, (2001), 1456 states have internal predecessors, (2001), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 07:26:00,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 2043 transitions. [2024-11-17 07:26:00,830 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 2043 transitions. Word has length 272 [2024-11-17 07:26:00,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:26:00,830 INFO L471 AbstractCegarLoop]: Abstraction has 1479 states and 2043 transitions. [2024-11-17 07:26:00,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 32.21052631578947) internal successors, (612), 18 states have internal predecessors, (612), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 07:26:00,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 2043 transitions. [2024-11-17 07:26:00,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-17 07:26:00,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:26:00,836 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:26:00,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-17 07:26:01,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-17 07:26:01,037 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:26:01,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:26:01,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1365322583, now seen corresponding path program 1 times [2024-11-17 07:26:01,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:26:01,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538567731] [2024-11-17 07:26:01,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:26:01,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:26:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:26:04,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:26:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:26:04,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:26:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:26:04,157 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 512 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:26:04,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:26:04,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538567731] [2024-11-17 07:26:04,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538567731] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:26:04,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276373576] [2024-11-17 07:26:04,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:26:04,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:26:04,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:26:04,161 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) [2024-11-17 07:26:04,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 07:26:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:26:04,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 1724 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-17 07:26:04,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:26:05,494 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 512 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:26:05,495 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:26:06,050 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 512 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:26:06,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276373576] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:26:06,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:26:06,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 28 [2024-11-17 07:26:06,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671418320] [2024-11-17 07:26:06,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:26:06,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-17 07:26:06,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:26:06,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-17 07:26:06,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2024-11-17 07:26:06,054 INFO L87 Difference]: Start difference. First operand 1479 states and 2043 transitions. Second operand has 29 states, 28 states have (on average 25.464285714285715) internal successors, (713), 28 states have internal predecessors, (713), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:26:07,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:26:07,151 INFO L93 Difference]: Finished difference Result 2133 states and 2983 transitions. [2024-11-17 07:26:07,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 07:26:07,152 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 25.464285714285715) internal successors, (713), 28 states have internal predecessors, (713), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 354 [2024-11-17 07:26:07,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:26:07,160 INFO L225 Difference]: With dead ends: 2133 [2024-11-17 07:26:07,161 INFO L226 Difference]: Without dead ends: 2132 [2024-11-17 07:26:07,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 726 GetRequests, 694 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=340, Invalid=782, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 07:26:07,162 INFO L432 NwaCegarLoop]: 391 mSDtfsCounter, 3907 mSDsluCounter, 5206 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3953 SdHoareTripleChecker+Valid, 5597 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 07:26:07,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3953 Valid, 5597 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 07:26:07,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2024-11-17 07:26:07,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 2109. [2024-11-17 07:26:07,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2109 states, 2074 states have (on average 1.3775313404050145) internal successors, (2857), 2077 states have internal predecessors, (2857), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-17 07:26:07,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2917 transitions. [2024-11-17 07:26:07,217 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2917 transitions. Word has length 354 [2024-11-17 07:26:07,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:26:07,218 INFO L471 AbstractCegarLoop]: Abstraction has 2109 states and 2917 transitions. [2024-11-17 07:26:07,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 25.464285714285715) internal successors, (713), 28 states have internal predecessors, (713), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:26:07,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2917 transitions. [2024-11-17 07:26:07,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2024-11-17 07:26:07,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:26:07,225 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:26:07,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 07:26:07,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-17 07:26:07,430 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:26:07,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:26:07,430 INFO L85 PathProgramCache]: Analyzing trace with hash -624672487, now seen corresponding path program 1 times [2024-11-17 07:26:07,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:26:07,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382206446] [2024-11-17 07:26:07,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:26:07,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:26:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:26:10,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:26:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:26:10,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:26:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:26:10,268 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 516 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:26:10,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:26:10,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382206446] [2024-11-17 07:26:10,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382206446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:26:10,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13004267] [2024-11-17 07:26:10,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:26:10,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:26:10,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:26:10,271 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) [2024-11-17 07:26:10,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 07:26:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:26:10,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 1725 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-17 07:26:10,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:26:11,452 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 516 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:26:11,452 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:26:11,924 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 516 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:26:11,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13004267] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:26:11,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:26:11,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 28 [2024-11-17 07:26:11,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728826108] [2024-11-17 07:26:11,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:26:11,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-17 07:26:11,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:26:11,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-17 07:26:11,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2024-11-17 07:26:11,929 INFO L87 Difference]: Start difference. First operand 2109 states and 2917 transitions. Second operand has 29 states, 28 states have (on average 25.571428571428573) internal successors, (716), 28 states have internal predecessors, (716), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:26:12,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:26:12,830 INFO L93 Difference]: Finished difference Result 2133 states and 2977 transitions. [2024-11-17 07:26:12,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 07:26:12,831 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 25.571428571428573) internal successors, (716), 28 states have internal predecessors, (716), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 355 [2024-11-17 07:26:12,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:26:12,839 INFO L225 Difference]: With dead ends: 2133 [2024-11-17 07:26:12,839 INFO L226 Difference]: Without dead ends: 2132 [2024-11-17 07:26:12,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 728 GetRequests, 696 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=340, Invalid=782, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 07:26:12,841 INFO L432 NwaCegarLoop]: 351 mSDtfsCounter, 2628 mSDsluCounter, 5207 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2674 SdHoareTripleChecker+Valid, 5558 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:26:12,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2674 Valid, 5558 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 07:26:12,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2024-11-17 07:26:12,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 2110. [2024-11-17 07:26:12,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2110 states, 2075 states have (on average 1.3749397590361445) internal successors, (2853), 2078 states have internal predecessors, (2853), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-17 07:26:12,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 2110 states and 2913 transitions. [2024-11-17 07:26:12,887 INFO L78 Accepts]: Start accepts. Automaton has 2110 states and 2913 transitions. Word has length 355 [2024-11-17 07:26:12,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:26:12,888 INFO L471 AbstractCegarLoop]: Abstraction has 2110 states and 2913 transitions. [2024-11-17 07:26:12,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 25.571428571428573) internal successors, (716), 28 states have internal predecessors, (716), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:26:12,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 2913 transitions. [2024-11-17 07:26:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2024-11-17 07:26:12,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:26:12,899 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:26:12,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-17 07:26:13,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:26:13,100 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:26:13,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:26:13,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1111175444, now seen corresponding path program 2 times [2024-11-17 07:26:13,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:26:13,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023953726] [2024-11-17 07:26:13,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:26:13,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:26:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:26:15,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:26:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:26:15,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:26:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:26:15,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 1745 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:26:15,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:26:15,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023953726] [2024-11-17 07:26:15,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023953726] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:26:15,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076500872] [2024-11-17 07:26:15,138 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:26:15,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:26:15,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:26:15,140 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:26:15,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 07:26:16,109 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 07:26:16,109 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:26:16,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 2830 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 07:26:16,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:26:16,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 1745 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:26:16,730 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:26:17,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 1745 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:26:17,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076500872] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:26:17,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:26:17,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 24 [2024-11-17 07:26:17,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940392544] [2024-11-17 07:26:17,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:26:17,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-17 07:26:17,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:26:17,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-17 07:26:17,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-17 07:26:17,388 INFO L87 Difference]: Start difference. First operand 2110 states and 2913 transitions. Second operand has 24 states, 24 states have (on average 35.958333333333336) internal successors, (863), 23 states have internal predecessors, (863), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 07:26:18,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:26:18,039 INFO L93 Difference]: Finished difference Result 2121 states and 2954 transitions. [2024-11-17 07:26:18,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-17 07:26:18,040 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 35.958333333333336) internal successors, (863), 23 states have internal predecessors, (863), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 604 [2024-11-17 07:26:18,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:26:18,049 INFO L225 Difference]: With dead ends: 2121 [2024-11-17 07:26:18,050 INFO L226 Difference]: Without dead ends: 2113 [2024-11-17 07:26:18,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1227 GetRequests, 1194 SyntacticMatches, 11 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-17 07:26:18,054 INFO L432 NwaCegarLoop]: 312 mSDtfsCounter, 4614 mSDsluCounter, 3824 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4666 SdHoareTripleChecker+Valid, 4136 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:26:18,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4666 Valid, 4136 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:26:18,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2024-11-17 07:26:18,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 2110. [2024-11-17 07:26:18,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2110 states, 2075 states have (on average 1.3734939759036144) internal successors, (2850), 2078 states have internal predecessors, (2850), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-17 07:26:18,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 2110 states and 2910 transitions. [2024-11-17 07:26:18,108 INFO L78 Accepts]: Start accepts. Automaton has 2110 states and 2910 transitions. Word has length 604 [2024-11-17 07:26:18,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:26:18,112 INFO L471 AbstractCegarLoop]: Abstraction has 2110 states and 2910 transitions. [2024-11-17 07:26:18,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 35.958333333333336) internal successors, (863), 23 states have internal predecessors, (863), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 07:26:18,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 2910 transitions. [2024-11-17 07:26:18,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 853 [2024-11-17 07:26:18,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:26:18,131 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:26:18,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-17 07:26:18,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 07:26:18,332 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:26:18,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:26:18,333 INFO L85 PathProgramCache]: Analyzing trace with hash 2092727383, now seen corresponding path program 2 times [2024-11-17 07:26:18,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:26:18,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119682375] [2024-11-17 07:26:18,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:26:18,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:26:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:26:21,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:26:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:26:21,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:26:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:26:21,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3771 backedges. 3036 proven. 731 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:26:21,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:26:21,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119682375] [2024-11-17 07:26:21,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119682375] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:26:21,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521772499] [2024-11-17 07:26:21,531 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:26:21,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:26:21,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:26:21,533 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:26:21,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 07:26:22,720 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 07:26:22,720 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:26:22,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 3998 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-17 07:26:22,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:26:23,517 INFO L134 CoverageAnalysis]: Checked inductivity of 3771 backedges. 3767 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:26:23,518 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:26:23,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521772499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:26:23,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:26:23,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [24] total 26 [2024-11-17 07:26:23,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289919072] [2024-11-17 07:26:23,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:26:23,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-17 07:26:23,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:26:23,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-17 07:26:23,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2024-11-17 07:26:23,521 INFO L87 Difference]: Start difference. First operand 2110 states and 2910 transitions. Second operand has 23 states, 23 states have (on average 36.73913043478261) internal successors, (845), 23 states have internal predecessors, (845), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:26:24,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:26:24,216 INFO L93 Difference]: Finished difference Result 2327 states and 3208 transitions. [2024-11-17 07:26:24,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-17 07:26:24,217 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 36.73913043478261) internal successors, (845), 23 states have internal predecessors, (845), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 852 [2024-11-17 07:26:24,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:26:24,226 INFO L225 Difference]: With dead ends: 2327 [2024-11-17 07:26:24,227 INFO L226 Difference]: Without dead ends: 2104 [2024-11-17 07:26:24,229 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 878 GetRequests, 854 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2024-11-17 07:26:24,229 INFO L432 NwaCegarLoop]: 2264 mSDtfsCounter, 2078 mSDsluCounter, 6917 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2106 SdHoareTripleChecker+Valid, 9181 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:26:24,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2106 Valid, 9181 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1138 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:26:24,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2104 states. [2024-11-17 07:26:24,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2104 to 2104. [2024-11-17 07:26:24,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2104 states, 2071 states have (on average 1.3727667793336553) internal successors, (2843), 2072 states have internal predecessors, (2843), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-17 07:26:24,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 2104 states and 2903 transitions. [2024-11-17 07:26:24,280 INFO L78 Accepts]: Start accepts. Automaton has 2104 states and 2903 transitions. Word has length 852 [2024-11-17 07:26:24,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:26:24,281 INFO L471 AbstractCegarLoop]: Abstraction has 2104 states and 2903 transitions. [2024-11-17 07:26:24,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 36.73913043478261) internal successors, (845), 23 states have internal predecessors, (845), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:26:24,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2903 transitions. [2024-11-17 07:26:24,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 854 [2024-11-17 07:26:24,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:26:24,290 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:26:24,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-17 07:26:24,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-17 07:26:24,491 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:26:24,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:26:24,491 INFO L85 PathProgramCache]: Analyzing trace with hash 437418420, now seen corresponding path program 3 times [2024-11-17 07:26:24,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:26:24,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894967269] [2024-11-17 07:26:24,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:26:24,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms