./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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_BER_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 0.3.0-?-798a7b3-m [2025-03-04 14:46:47,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 14:46:47,468 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-04 14:46:47,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 14:46:47,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 14:46:47,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 14:46:47,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 14:46:47,496 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 14:46:47,497 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 14:46:47,497 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 14:46:47,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 14:46:47,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 14:46:47,498 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 14:46:47,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 14:46:47,498 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 14:46:47,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 14:46:47,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 14:46:47,498 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 14:46:47,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 14:46:47,498 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 14:46:47,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 14:46:47,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 14:46:47,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 14:46:47,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 14:46:47,498 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 14:46:47,498 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 14:46:47,498 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 14:46:47,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 14:46:47,498 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 14:46:47,499 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 14:46:47,499 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 14:46:47,499 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 14:46:47,499 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 14:46:47,499 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 14:46:47,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 14:46:47,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 14:46:47,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 14:46:47,499 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 14:46:47,499 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 14:46:47,499 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 14:46:47,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 14:46:47,499 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 14:46:47,499 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 14:46:47,499 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 14:46:47,499 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 14:46:47,499 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 [2025-03-04 14:46:47,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 14:46:47,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 14:46:47,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 14:46:47,758 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 14:46:47,758 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 14:46:47,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test1-2.i [2025-03-04 14:46:48,904 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bcee0df0/58cb4e33b18f49d4b50c5f7b32b340c7/FLAGc6b812290 [2025-03-04 14:46:49,192 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 14:46:49,194 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test1-2.i [2025-03-04 14:46:49,207 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bcee0df0/58cb4e33b18f49d4b50c5f7b32b340c7/FLAGc6b812290 [2025-03-04 14:46:49,219 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bcee0df0/58cb4e33b18f49d4b50c5f7b32b340c7 [2025-03-04 14:46:49,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 14:46:49,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 14:46:49,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 14:46:49,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 14:46:49,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 14:46:49,229 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:46:49" (1/1) ... [2025-03-04 14:46:49,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b0fc8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:46:49, skipping insertion in model container [2025-03-04 14:46:49,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:46:49" (1/1) ... [2025-03-04 14:46:49,262 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 14:46:49,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 14:46:49,540 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 14:46:49,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 14:46:49,631 INFO L204 MainTranslator]: Completed translation [2025-03-04 14:46:49,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:46:49 WrapperNode [2025-03-04 14:46:49,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 14:46:49,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 14:46:49,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 14:46:49,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 14:46:49,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:46:49" (1/1) ... [2025-03-04 14:46:49,649 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:46:49" (1/1) ... [2025-03-04 14:46:49,678 INFO L138 Inliner]: procedures = 176, calls = 221, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 938 [2025-03-04 14:46:49,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 14:46:49,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 14:46:49,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 14:46:49,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 14:46:49,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:46:49" (1/1) ... [2025-03-04 14:46:49,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:46:49" (1/1) ... [2025-03-04 14:46:49,693 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:46:49" (1/1) ... [2025-03-04 14:46:49,742 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]. [2025-03-04 14:46:49,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:46:49" (1/1) ... [2025-03-04 14:46:49,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:46:49" (1/1) ... [2025-03-04 14:46:49,759 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:46:49" (1/1) ... [2025-03-04 14:46:49,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:46:49" (1/1) ... [2025-03-04 14:46:49,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:46:49" (1/1) ... [2025-03-04 14:46:49,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:46:49" (1/1) ... [2025-03-04 14:46:49,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 14:46:49,777 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 14:46:49,778 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 14:46:49,778 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 14:46:49,778 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:46:49" (1/1) ... [2025-03-04 14:46:49,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 14:46:49,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:46:49,806 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) [2025-03-04 14:46:49,809 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 [2025-03-04 14:46:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 14:46:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 14:46:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 14:46:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 14:46:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 14:46:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 14:46:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 14:46:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 14:46:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 14:46:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 14:46:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 14:46:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 14:46:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 14:46:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 14:46:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 14:46:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 14:46:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 14:46:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 14:46:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 14:46:49,973 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 14:46:49,974 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 14:46:51,469 INFO L? ?]: Removed 229 outVars from TransFormulas that were not future-live. [2025-03-04 14:46:51,470 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 14:46:51,508 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 14:46:51,510 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-04 14:46:51,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:46:51 BoogieIcfgContainer [2025-03-04 14:46:51,511 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 14:46:51,512 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 14:46:51,512 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 14:46:51,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 14:46:51,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:46:49" (1/3) ... [2025-03-04 14:46:51,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319d41b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:46:51, skipping insertion in model container [2025-03-04 14:46:51,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:46:49" (2/3) ... [2025-03-04 14:46:51,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319d41b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:46:51, skipping insertion in model container [2025-03-04 14:46:51,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:46:51" (3/3) ... [2025-03-04 14:46:51,518 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_BER_nondet_test1-2.i [2025-03-04 14:46:51,529 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 14:46:51,531 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_BER_nondet_test1-2.i that has 3 procedures, 254 locations, 1 initial locations, 24 loop locations, and 6 error locations. [2025-03-04 14:46:51,576 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 14:46:51,584 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;@1e98ac73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 14:46:51,584 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-03-04 14:46:51,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 250 states, 239 states have (on average 1.6150627615062763) internal successors, (386), 245 states have internal predecessors, (386), 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) [2025-03-04 14:46:51,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-04 14:46:51,595 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:46:51,595 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-04 14:46:51,595 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:46:51,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:46:51,599 INFO L85 PathProgramCache]: Analyzing trace with hash 426206892, now seen corresponding path program 1 times [2025-03-04 14:46:51,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:46:51,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59911571] [2025-03-04 14:46:51,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:46:51,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:46:51,670 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-04 14:46:51,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-04 14:46:51,677 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:46:51,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:46:51,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 14:46:51,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:46:51,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59911571] [2025-03-04 14:46:51,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59911571] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:46:51,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:46:51,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 14:46:51,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476840215] [2025-03-04 14:46:51,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:46:51,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 14:46:51,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:46:51,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 14:46:51,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 14:46:51,751 INFO L87 Difference]: Start difference. First operand has 250 states, 239 states have (on average 1.6150627615062763) internal successors, (386), 245 states have internal predecessors, (386), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 14:46:51,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:46:51,923 INFO L93 Difference]: Finished difference Result 692 states and 1095 transitions. [2025-03-04 14:46:51,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 14:46:51,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-04 14:46:51,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:46:51,934 INFO L225 Difference]: With dead ends: 692 [2025-03-04 14:46:51,934 INFO L226 Difference]: Without dead ends: 405 [2025-03-04 14:46:51,937 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 14:46:51,939 INFO L435 NwaCegarLoop]: 363 mSDtfsCounter, 275 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 683 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 [2025-03-04 14:46:51,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 683 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 14:46:51,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2025-03-04 14:46:51,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 211. [2025-03-04 14:46:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 201 states have (on average 1.4577114427860696) internal successors, (293), 206 states have internal predecessors, (293), 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) [2025-03-04 14:46:51,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 299 transitions. [2025-03-04 14:46:51,984 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 299 transitions. Word has length 5 [2025-03-04 14:46:51,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:46:51,984 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 299 transitions. [2025-03-04 14:46:51,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 14:46:51,984 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 299 transitions. [2025-03-04 14:46:51,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-04 14:46:51,984 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:46:51,984 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-04 14:46:51,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 14:46:51,985 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)] === [2025-03-04 14:46:51,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:46:51,985 INFO L85 PathProgramCache]: Analyzing trace with hash 337916798, now seen corresponding path program 1 times [2025-03-04 14:46:51,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:46:51,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968574551] [2025-03-04 14:46:51,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:46:51,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:46:52,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-04 14:46:52,014 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-04 14:46:52,014 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:46:52,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:46:52,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 14:46:52,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:46:52,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968574551] [2025-03-04 14:46:52,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968574551] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:46:52,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:46:52,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 14:46:52,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274950610] [2025-03-04 14:46:52,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:46:52,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 14:46:52,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:46:52,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 14:46:52,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 14:46:52,166 INFO L87 Difference]: Start difference. First operand 211 states and 299 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 14:46:52,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:46:52,238 INFO L93 Difference]: Finished difference Result 216 states and 305 transitions. [2025-03-04 14:46:52,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 14:46:52,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-03-04 14:46:52,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:46:52,239 INFO L225 Difference]: With dead ends: 216 [2025-03-04 14:46:52,239 INFO L226 Difference]: Without dead ends: 215 [2025-03-04 14:46:52,240 INFO L434 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 [2025-03-04 14:46:52,240 INFO L435 NwaCegarLoop]: 273 mSDtfsCounter, 2 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 14:46:52,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 542 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 14:46:52,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-03-04 14:46:52,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 214. [2025-03-04 14:46:52,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 204 states have (on average 1.4509803921568627) internal successors, (296), 209 states have internal predecessors, (296), 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) [2025-03-04 14:46:52,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 302 transitions. [2025-03-04 14:46:52,251 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 302 transitions. Word has length 6 [2025-03-04 14:46:52,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:46:52,252 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 302 transitions. [2025-03-04 14:46:52,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 14:46:52,252 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 302 transitions. [2025-03-04 14:46:52,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-04 14:46:52,252 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:46:52,252 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:46:52,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 14:46:52,252 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:46:52,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:46:52,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1885486524, now seen corresponding path program 1 times [2025-03-04 14:46:52,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:46:52,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313745297] [2025-03-04 14:46:52,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:46:52,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:46:52,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 14:46:52,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 14:46:52,278 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:46:52,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:46:52,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 14:46:52,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:46:52,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313745297] [2025-03-04 14:46:52,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313745297] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:46:52,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:46:52,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 14:46:52,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190053933] [2025-03-04 14:46:52,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:46:52,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 14:46:52,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:46:52,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 14:46:52,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 14:46:52,358 INFO L87 Difference]: Start difference. First operand 214 states and 302 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) [2025-03-04 14:46:52,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:46:52,445 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2025-03-04 14:46:52,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 14:46:52,446 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 [2025-03-04 14:46:52,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:46:52,447 INFO L225 Difference]: With dead ends: 216 [2025-03-04 14:46:52,447 INFO L226 Difference]: Without dead ends: 215 [2025-03-04 14:46:52,447 INFO L434 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 [2025-03-04 14:46:52,448 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 0 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 14:46:52,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 807 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 14:46:52,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-03-04 14:46:52,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2025-03-04 14:46:52,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 205 states have (on average 1.448780487804878) internal successors, (297), 210 states have internal predecessors, (297), 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) [2025-03-04 14:46:52,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 303 transitions. [2025-03-04 14:46:52,464 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 303 transitions. Word has length 7 [2025-03-04 14:46:52,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:46:52,464 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 303 transitions. [2025-03-04 14:46:52,464 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) [2025-03-04 14:46:52,465 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 303 transitions. [2025-03-04 14:46:52,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-04 14:46:52,467 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:46:52,467 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:46:52,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 14:46:52,468 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:46:52,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:46:52,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1581930606, now seen corresponding path program 1 times [2025-03-04 14:46:52,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:46:52,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559993211] [2025-03-04 14:46:52,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:46:52,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:46:52,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-04 14:46:52,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-04 14:46:52,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:46:52,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:46:52,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 14:46:52,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:46:52,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559993211] [2025-03-04 14:46:52,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559993211] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:46:52,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:46:52,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 14:46:52,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069766724] [2025-03-04 14:46:52,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:46:52,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 14:46:52,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:46:52,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 14:46:52,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 14:46:52,704 INFO L87 Difference]: Start difference. First operand 215 states and 303 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2025-03-04 14:46:52,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:46:52,803 INFO L93 Difference]: Finished difference Result 426 states and 602 transitions. [2025-03-04 14:46:52,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 14:46:52,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 78 [2025-03-04 14:46:52,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:46:52,804 INFO L225 Difference]: With dead ends: 426 [2025-03-04 14:46:52,804 INFO L226 Difference]: Without dead ends: 218 [2025-03-04 14:46:52,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 14:46:52,805 INFO L435 NwaCegarLoop]: 249 mSDtfsCounter, 105 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 14:46:52,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 663 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 14:46:52,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2025-03-04 14:46:52,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 215. [2025-03-04 14:46:52,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 205 states have (on average 1.4146341463414633) internal successors, (290), 210 states have internal predecessors, (290), 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) [2025-03-04 14:46:52,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 296 transitions. [2025-03-04 14:46:52,820 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 296 transitions. Word has length 78 [2025-03-04 14:46:52,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:46:52,820 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 296 transitions. [2025-03-04 14:46:52,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2025-03-04 14:46:52,820 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 296 transitions. [2025-03-04 14:46:52,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-04 14:46:52,823 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:46:52,824 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:46:52,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 14:46:52,824 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)] === [2025-03-04 14:46:52,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:46:52,824 INFO L85 PathProgramCache]: Analyzing trace with hash 195986887, now seen corresponding path program 1 times [2025-03-04 14:46:52,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:46:52,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745087903] [2025-03-04 14:46:52,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:46:52,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:46:52,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-04 14:46:52,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-04 14:46:52,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:46:52,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:46:52,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 14:46:52,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:46:52,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745087903] [2025-03-04 14:46:52,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745087903] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:46:52,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:46:52,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 14:46:52,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110035690] [2025-03-04 14:46:52,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:46:52,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 14:46:52,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:46:52,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 14:46:52,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 14:46:52,962 INFO L87 Difference]: Start difference. First operand 215 states and 296 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2025-03-04 14:46:53,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:46:53,041 INFO L93 Difference]: Finished difference Result 548 states and 770 transitions. [2025-03-04 14:46:53,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 14:46:53,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 78 [2025-03-04 14:46:53,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:46:53,043 INFO L225 Difference]: With dead ends: 548 [2025-03-04 14:46:53,043 INFO L226 Difference]: Without dead ends: 340 [2025-03-04 14:46:53,044 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 14:46:53,044 INFO L435 NwaCegarLoop]: 268 mSDtfsCounter, 134 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 528 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 [2025-03-04 14:46:53,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 528 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 14:46:53,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-03-04 14:46:53,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2025-03-04 14:46:53,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 330 states have (on average 1.4363636363636363) internal successors, (474), 335 states have internal predecessors, (474), 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) [2025-03-04 14:46:53,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 480 transitions. [2025-03-04 14:46:53,067 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 480 transitions. Word has length 78 [2025-03-04 14:46:53,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:46:53,068 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 480 transitions. [2025-03-04 14:46:53,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2025-03-04 14:46:53,068 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 480 transitions. [2025-03-04 14:46:53,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-04 14:46:53,069 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:46:53,071 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:46:53,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 14:46:53,072 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)] === [2025-03-04 14:46:53,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:46:53,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1727158177, now seen corresponding path program 1 times [2025-03-04 14:46:53,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:46:53,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197403774] [2025-03-04 14:46:53,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:46:53,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:46:53,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-04 14:46:53,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-04 14:46:53,148 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:46:53,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:46:53,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:46:53,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:46:53,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197403774] [2025-03-04 14:46:53,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197403774] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:46:53,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:46:53,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 14:46:53,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758403997] [2025-03-04 14:46:53,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:46:53,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 14:46:53,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:46:53,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 14:46:53,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 14:46:53,321 INFO L87 Difference]: Start difference. First operand 340 states and 480 transitions. Second operand has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 14:46:53,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:46:53,438 INFO L93 Difference]: Finished difference Result 405 states and 565 transitions. [2025-03-04 14:46:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 14:46:53,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 93 [2025-03-04 14:46:53,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:46:53,441 INFO L225 Difference]: With dead ends: 405 [2025-03-04 14:46:53,441 INFO L226 Difference]: Without dead ends: 403 [2025-03-04 14:46:53,441 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 14:46:53,441 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 185 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 14:46:53,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 865 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 14:46:53,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2025-03-04 14:46:53,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2025-03-04 14:46:53,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 390 states have (on average 1.412820512820513) internal successors, (551), 395 states have internal predecessors, (551), 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) [2025-03-04 14:46:53,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 563 transitions. [2025-03-04 14:46:53,460 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 563 transitions. Word has length 93 [2025-03-04 14:46:53,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:46:53,461 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 563 transitions. [2025-03-04 14:46:53,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 14:46:53,461 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 563 transitions. [2025-03-04 14:46:53,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-04 14:46:53,465 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:46:53,465 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:46:53,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 14:46:53,465 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:46:53,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:46:53,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1893869342, now seen corresponding path program 1 times [2025-03-04 14:46:53,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:46:53,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425259762] [2025-03-04 14:46:53,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:46:53,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:46:53,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-04 14:46:53,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 14:46:53,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:46:53,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:46:53,676 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:46:53,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:46:53,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425259762] [2025-03-04 14:46:53,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425259762] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 14:46:53,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216780860] [2025-03-04 14:46:53,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:46:53,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:46:53,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:46:53,682 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) [2025-03-04 14:46:53,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 14:46:53,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-04 14:46:53,885 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-04 14:46:53,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:46:53,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:46:53,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 14:46:53,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 14:46:54,032 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:46:54,034 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 14:46:54,194 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:46:54,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216780860] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 14:46:54,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 14:46:54,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-04 14:46:54,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83450599] [2025-03-04 14:46:54,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 14:46:54,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 14:46:54,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:46:54,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 14:46:54,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-04 14:46:54,196 INFO L87 Difference]: Start difference. First operand 403 states and 563 transitions. Second operand has 10 states, 10 states have (on average 25.7) internal successors, (257), 10 states have internal predecessors, (257), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-04 14:46:54,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:46:54,369 INFO L93 Difference]: Finished difference Result 607 states and 850 transitions. [2025-03-04 14:46:54,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 14:46:54,370 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 25.7) internal successors, (257), 10 states have internal predecessors, (257), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 97 [2025-03-04 14:46:54,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:46:54,372 INFO L225 Difference]: With dead ends: 607 [2025-03-04 14:46:54,372 INFO L226 Difference]: Without dead ends: 601 [2025-03-04 14:46:54,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-04 14:46:54,373 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 1088 mSDsluCounter, 1296 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 14:46:54,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 1559 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 14:46:54,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2025-03-04 14:46:54,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 599. [2025-03-04 14:46:54,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 583 states have (on average 1.4133790737564322) internal successors, (824), 588 states have internal predecessors, (824), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-04 14:46:54,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 842 transitions. [2025-03-04 14:46:54,391 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 842 transitions. Word has length 97 [2025-03-04 14:46:54,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:46:54,392 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 842 transitions. [2025-03-04 14:46:54,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 25.7) internal successors, (257), 10 states have internal predecessors, (257), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-04 14:46:54,392 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 842 transitions. [2025-03-04 14:46:54,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-03-04 14:46:54,395 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:46:54,395 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:46:54,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 14:46:54,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:46:54,596 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:46:54,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:46:54,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1409187508, now seen corresponding path program 1 times [2025-03-04 14:46:54,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:46:54,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432506586] [2025-03-04 14:46:54,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:46:54,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:46:54,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-04 14:46:54,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-04 14:46:54,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:46:54,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:46:55,077 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:46:55,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:46:55,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432506586] [2025-03-04 14:46:55,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432506586] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 14:46:55,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791893688] [2025-03-04 14:46:55,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:46:55,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:46:55,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:46:55,083 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) [2025-03-04 14:46:55,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 14:46:55,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-04 14:46:55,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-04 14:46:55,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:46:55,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:46:55,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-04 14:46:55,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 14:46:55,496 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:46:55,497 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 14:46:55,651 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:46:55,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791893688] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 14:46:55,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 14:46:55,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-04 14:46:55,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688242095] [2025-03-04 14:46:55,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 14:46:55,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 14:46:55,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:46:55,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 14:46:55,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2025-03-04 14:46:55,653 INFO L87 Difference]: Start difference. First operand 599 states and 842 transitions. Second operand has 13 states, 12 states have (on average 15.5) internal successors, (186), 13 states have internal predecessors, (186), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 14:46:55,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:46:55,901 INFO L93 Difference]: Finished difference Result 805 states and 1133 transitions. [2025-03-04 14:46:55,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 14:46:55,902 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.5) internal successors, (186), 13 states have internal predecessors, (186), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 98 [2025-03-04 14:46:55,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:46:55,905 INFO L225 Difference]: With dead ends: 805 [2025-03-04 14:46:55,905 INFO L226 Difference]: Without dead ends: 804 [2025-03-04 14:46:55,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2025-03-04 14:46:55,906 INFO L435 NwaCegarLoop]: 262 mSDtfsCounter, 832 mSDsluCounter, 1773 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 837 SdHoareTripleChecker+Valid, 2035 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 14:46:55,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [837 Valid, 2035 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 14:46:55,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2025-03-04 14:46:55,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 797. [2025-03-04 14:46:55,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 778 states have (on average 1.4125964010282777) internal successors, (1099), 783 states have internal predecessors, (1099), 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) [2025-03-04 14:46:55,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1123 transitions. [2025-03-04 14:46:55,940 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1123 transitions. Word has length 98 [2025-03-04 14:46:55,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:46:55,940 INFO L471 AbstractCegarLoop]: Abstraction has 797 states and 1123 transitions. [2025-03-04 14:46:55,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.5) internal successors, (186), 13 states have internal predecessors, (186), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 14:46:55,941 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1123 transitions. [2025-03-04 14:46:55,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-04 14:46:55,941 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:46:55,941 INFO L218 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] [2025-03-04 14:46:55,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-04 14:46:56,142 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,SelfDestructingSolverStorable7 [2025-03-04 14:46:56,142 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:46:56,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:46:56,143 INFO L85 PathProgramCache]: Analyzing trace with hash -735139410, now seen corresponding path program 1 times [2025-03-04 14:46:56,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:46:56,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695319233] [2025-03-04 14:46:56,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:46:56,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:46:56,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-04 14:46:56,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-04 14:46:56,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:46:56,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:46:56,584 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:46:56,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:46:56,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695319233] [2025-03-04 14:46:56,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695319233] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 14:46:56,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355225185] [2025-03-04 14:46:56,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:46:56,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:46:56,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:46:56,587 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) [2025-03-04 14:46:56,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 14:46:56,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-04 14:46:56,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-04 14:46:56,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:46:56,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:46:56,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-04 14:46:56,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 14:46:56,950 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:46:56,950 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 14:46:57,076 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:46:57,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355225185] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 14:46:57,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 14:46:57,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-04 14:46:57,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408038403] [2025-03-04 14:46:57,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 14:46:57,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 14:46:57,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:46:57,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 14:46:57,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2025-03-04 14:46:57,078 INFO L87 Difference]: Start difference. First operand 797 states and 1123 transitions. Second operand has 13 states, 12 states have (on average 15.75) internal successors, (189), 13 states have internal predecessors, (189), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 14:46:57,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:46:57,265 INFO L93 Difference]: Finished difference Result 805 states and 1130 transitions. [2025-03-04 14:46:57,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 14:46:57,265 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.75) internal successors, (189), 13 states have internal predecessors, (189), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 99 [2025-03-04 14:46:57,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:46:57,269 INFO L225 Difference]: With dead ends: 805 [2025-03-04 14:46:57,270 INFO L226 Difference]: Without dead ends: 804 [2025-03-04 14:46:57,270 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2025-03-04 14:46:57,271 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 1203 mSDsluCounter, 1270 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1208 SdHoareTripleChecker+Valid, 1533 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 14:46:57,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1208 Valid, 1533 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 14:46:57,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2025-03-04 14:46:57,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 798. [2025-03-04 14:46:57,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 779 states have (on average 1.4094993581514763) internal successors, (1098), 784 states have internal predecessors, (1098), 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) [2025-03-04 14:46:57,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1122 transitions. [2025-03-04 14:46:57,292 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1122 transitions. Word has length 99 [2025-03-04 14:46:57,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:46:57,292 INFO L471 AbstractCegarLoop]: Abstraction has 798 states and 1122 transitions. [2025-03-04 14:46:57,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.75) internal successors, (189), 13 states have internal predecessors, (189), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 14:46:57,293 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1122 transitions. [2025-03-04 14:46:57,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-03-04 14:46:57,294 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:46:57,294 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:46:57,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-04 14:46:57,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:46:57,495 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:46:57,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:46:57,495 INFO L85 PathProgramCache]: Analyzing trace with hash -828721771, now seen corresponding path program 1 times [2025-03-04 14:46:57,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:46:57,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029335852] [2025-03-04 14:46:57,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:46:57,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:46:57,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-03-04 14:46:57,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-03-04 14:46:57,581 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:46:57,581 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:46:57,824 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:46:57,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:46:57,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029335852] [2025-03-04 14:46:57,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029335852] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 14:46:57,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330169895] [2025-03-04 14:46:57,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:46:57,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:46:57,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:46:57,826 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) [2025-03-04 14:46:57,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 14:46:58,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-03-04 14:46:58,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-03-04 14:46:58,102 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:46:58,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:46:58,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 14:46:58,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 14:46:58,304 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:46:58,304 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 14:46:58,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330169895] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:46:58,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 14:46:58,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-04 14:46:58,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116168437] [2025-03-04 14:46:58,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:46:58,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 14:46:58,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:46:58,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 14:46:58,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-04 14:46:58,306 INFO L87 Difference]: Start difference. First operand 798 states and 1122 transitions. Second operand has 6 states, 5 states have (on average 32.6) internal successors, (163), 6 states have internal predecessors, (163), 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) [2025-03-04 14:46:58,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:46:58,426 INFO L93 Difference]: Finished difference Result 798 states and 1122 transitions. [2025-03-04 14:46:58,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 14:46:58,427 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 32.6) internal successors, (163), 6 states have internal predecessors, (163), 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 170 [2025-03-04 14:46:58,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:46:58,430 INFO L225 Difference]: With dead ends: 798 [2025-03-04 14:46:58,430 INFO L226 Difference]: Without dead ends: 797 [2025-03-04 14:46:58,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-04 14:46:58,431 INFO L435 NwaCegarLoop]: 506 mSDtfsCounter, 381 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 1266 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 14:46:58,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 1266 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 14:46:58,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2025-03-04 14:46:58,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 797. [2025-03-04 14:46:58,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 779 states have (on average 1.4056482670089858) internal successors, (1095), 783 states have internal predecessors, (1095), 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) [2025-03-04 14:46:58,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1119 transitions. [2025-03-04 14:46:58,453 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1119 transitions. Word has length 170 [2025-03-04 14:46:58,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:46:58,453 INFO L471 AbstractCegarLoop]: Abstraction has 797 states and 1119 transitions. [2025-03-04 14:46:58,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 32.6) internal successors, (163), 6 states have internal predecessors, (163), 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) [2025-03-04 14:46:58,453 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1119 transitions. [2025-03-04 14:46:58,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2025-03-04 14:46:58,457 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:46:58,457 INFO L218 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:46:58,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-04 14:46:58,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:46:58,658 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:46:58,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:46:58,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1401765935, now seen corresponding path program 1 times [2025-03-04 14:46:58,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:46:58,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938838184] [2025-03-04 14:46:58,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:46:58,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:46:58,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 248 statements into 1 equivalence classes. [2025-03-04 14:46:58,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 248 of 248 statements. [2025-03-04 14:46:58,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:46:58,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:46:58,939 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-03-04 14:46:58,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:46:58,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938838184] [2025-03-04 14:46:58,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938838184] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:46:58,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:46:58,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 14:46:58,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181194532] [2025-03-04 14:46:58,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:46:58,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 14:46:58,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:46:58,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 14:46:58,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 14:46:58,941 INFO L87 Difference]: Start difference. First operand 797 states and 1119 transitions. Second operand has 4 states, 3 states have (on average 55.666666666666664) internal successors, (167), 4 states have internal predecessors, (167), 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) [2025-03-04 14:46:58,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:46:58,988 INFO L93 Difference]: Finished difference Result 797 states and 1119 transitions. [2025-03-04 14:46:58,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 14:46:58,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 55.666666666666664) internal successors, (167), 4 states have internal predecessors, (167), 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 248 [2025-03-04 14:46:58,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:46:58,991 INFO L225 Difference]: With dead ends: 797 [2025-03-04 14:46:58,991 INFO L226 Difference]: Without dead ends: 796 [2025-03-04 14:46:58,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 14:46:58,992 INFO L435 NwaCegarLoop]: 262 mSDtfsCounter, 194 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 14:46:58,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 536 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 14:46:58,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2025-03-04 14:46:59,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 796. [2025-03-04 14:46:59,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 779 states have (on average 1.4030808729139923) internal successors, (1093), 782 states have internal predecessors, (1093), 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) [2025-03-04 14:46:59,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1117 transitions. [2025-03-04 14:46:59,008 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1117 transitions. Word has length 248 [2025-03-04 14:46:59,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:46:59,009 INFO L471 AbstractCegarLoop]: Abstraction has 796 states and 1117 transitions. [2025-03-04 14:46:59,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 55.666666666666664) internal successors, (167), 4 states have internal predecessors, (167), 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) [2025-03-04 14:46:59,009 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1117 transitions. [2025-03-04 14:46:59,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2025-03-04 14:46:59,011 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:46:59,011 INFO L218 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:46:59,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-04 14:46:59,011 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:46:59,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:46:59,011 INFO L85 PathProgramCache]: Analyzing trace with hash 41997214, now seen corresponding path program 1 times [2025-03-04 14:46:59,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:46:59,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543815935] [2025-03-04 14:46:59,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:46:59,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:46:59,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 251 statements into 1 equivalence classes. [2025-03-04 14:46:59,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 251 of 251 statements. [2025-03-04 14:46:59,124 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:46:59,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:46:59,558 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 230 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:46:59,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:46:59,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543815935] [2025-03-04 14:46:59,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543815935] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 14:46:59,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817193640] [2025-03-04 14:46:59,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:46:59,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:46:59,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:46:59,560 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) [2025-03-04 14:46:59,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 14:46:59,810 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 251 statements into 1 equivalence classes. [2025-03-04 14:46:59,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 251 of 251 statements. [2025-03-04 14:46:59,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:46:59,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:46:59,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 14:46:59,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 14:47:00,174 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 230 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:47:00,175 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 14:47:00,458 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 230 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:47:00,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817193640] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 14:47:00,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 14:47:00,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-03-04 14:47:00,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334025996] [2025-03-04 14:47:00,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 14:47:00,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 14:47:00,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:47:00,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 14:47:00,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-03-04 14:47:00,462 INFO L87 Difference]: Start difference. First operand 796 states and 1117 transitions. Second operand has 18 states, 18 states have (on average 31.38888888888889) internal successors, (565), 18 states have internal predecessors, (565), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-04 14:47:00,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:47:00,803 INFO L93 Difference]: Finished difference Result 1386 states and 1950 transitions. [2025-03-04 14:47:00,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-04 14:47:00,804 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 31.38888888888889) internal successors, (565), 18 states have internal predecessors, (565), 3 states have call successors, (6), 1 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 251 [2025-03-04 14:47:00,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:47:00,809 INFO L225 Difference]: With dead ends: 1386 [2025-03-04 14:47:00,809 INFO L226 Difference]: Without dead ends: 1381 [2025-03-04 14:47:00,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 509 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-03-04 14:47:00,810 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 3279 mSDsluCounter, 2129 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3298 SdHoareTripleChecker+Valid, 2430 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 14:47:00,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3298 Valid, 2430 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 14:47:00,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2025-03-04 14:47:00,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1377. [2025-03-04 14:47:00,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1377 states, 1351 states have (on average 1.4056254626202813) internal successors, (1899), 1354 states have internal predecessors, (1899), 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) [2025-03-04 14:47:00,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1941 transitions. [2025-03-04 14:47:00,846 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1941 transitions. Word has length 251 [2025-03-04 14:47:00,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:47:00,846 INFO L471 AbstractCegarLoop]: Abstraction has 1377 states and 1941 transitions. [2025-03-04 14:47:00,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 31.38888888888889) internal successors, (565), 18 states have internal predecessors, (565), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-04 14:47:00,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1941 transitions. [2025-03-04 14:47:00,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2025-03-04 14:47:00,851 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:47:00,851 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:47:00,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-04 14:47:01,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-03-04 14:47:01,052 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:47:01,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:47:01,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1577285544, now seen corresponding path program 1 times [2025-03-04 14:47:01,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:47:01,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285337510] [2025-03-04 14:47:01,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:47:01,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:47:01,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 329 statements into 1 equivalence classes. [2025-03-04 14:47:01,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 329 of 329 statements. [2025-03-04 14:47:01,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:47:01,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:47:03,095 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 472 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:47:03,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:47:03,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285337510] [2025-03-04 14:47:03,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285337510] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 14:47:03,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850366540] [2025-03-04 14:47:03,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:47:03,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:47:03,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:47:03,098 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) [2025-03-04 14:47:03,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-04 14:47:03,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 329 statements into 1 equivalence classes. [2025-03-04 14:47:03,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 329 of 329 statements. [2025-03-04 14:47:03,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:47:03,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:47:03,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 1711 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-04 14:47:03,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 14:47:03,995 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 472 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:47:03,996 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 14:47:04,392 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 472 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:47:04,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850366540] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 14:47:04,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 14:47:04,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2025-03-04 14:47:04,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483895644] [2025-03-04 14:47:04,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 14:47:04,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-03-04 14:47:04,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:47:04,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-03-04 14:47:04,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=498, Unknown=0, NotChecked=0, Total=756 [2025-03-04 14:47:04,395 INFO L87 Difference]: Start difference. First operand 1377 states and 1941 transitions. Second operand has 28 states, 27 states have (on average 24.333333333333332) internal successors, (657), 28 states have internal predecessors, (657), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 14:47:04,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:47:04,872 INFO L93 Difference]: Finished difference Result 1976 states and 2796 transitions. [2025-03-04 14:47:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-04 14:47:04,873 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 24.333333333333332) internal successors, (657), 28 states have internal predecessors, (657), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 329 [2025-03-04 14:47:04,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:47:04,881 INFO L225 Difference]: With dead ends: 1976 [2025-03-04 14:47:04,881 INFO L226 Difference]: Without dead ends: 1975 [2025-03-04 14:47:04,882 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 641 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=338, Invalid=718, Unknown=0, NotChecked=0, Total=1056 [2025-03-04 14:47:04,883 INFO L435 NwaCegarLoop]: 338 mSDtfsCounter, 3620 mSDsluCounter, 3189 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3643 SdHoareTripleChecker+Valid, 3527 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 14:47:04,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3643 Valid, 3527 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 14:47:04,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2025-03-04 14:47:04,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1965. [2025-03-04 14:47:04,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1965 states, 1930 states have (on average 1.405699481865285) internal successors, (2713), 1933 states have internal predecessors, (2713), 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) [2025-03-04 14:47:04,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 2773 transitions. [2025-03-04 14:47:04,924 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 2773 transitions. Word has length 329 [2025-03-04 14:47:04,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:47:04,924 INFO L471 AbstractCegarLoop]: Abstraction has 1965 states and 2773 transitions. [2025-03-04 14:47:04,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 24.333333333333332) internal successors, (657), 28 states have internal predecessors, (657), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 14:47:04,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2773 transitions. [2025-03-04 14:47:04,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2025-03-04 14:47:04,928 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:47:04,928 INFO L218 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, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:47:04,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-04 14:47:05,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:47:05,133 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:47:05,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:47:05,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1651211230, now seen corresponding path program 1 times [2025-03-04 14:47:05,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:47:05,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533972405] [2025-03-04 14:47:05,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:47:05,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:47:05,212 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 330 statements into 1 equivalence classes. [2025-03-04 14:47:05,268 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 330 of 330 statements. [2025-03-04 14:47:05,268 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:47:05,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:47:06,741 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 476 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:47:06,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:47:06,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533972405] [2025-03-04 14:47:06,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533972405] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 14:47:06,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378281681] [2025-03-04 14:47:06,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:47:06,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:47:06,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:47:06,744 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) [2025-03-04 14:47:06,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-04 14:47:07,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 330 statements into 1 equivalence classes. [2025-03-04 14:47:07,285 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 330 of 330 statements. [2025-03-04 14:47:07,285 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:47:07,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:47:07,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 1712 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-03-04 14:47:07,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 14:47:07,663 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 476 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:47:07,663 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 14:47:07,957 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 476 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:47:07,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378281681] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 14:47:07,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 14:47:07,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2025-03-04 14:47:07,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387675196] [2025-03-04 14:47:07,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 14:47:07,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-03-04 14:47:07,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:47:07,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-03-04 14:47:07,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=498, Unknown=0, NotChecked=0, Total=756 [2025-03-04 14:47:07,959 INFO L87 Difference]: Start difference. First operand 1965 states and 2773 transitions. Second operand has 28 states, 27 states have (on average 24.444444444444443) internal successors, (660), 28 states have internal predecessors, (660), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 14:47:08,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:47:08,416 INFO L93 Difference]: Finished difference Result 1976 states and 2790 transitions. [2025-03-04 14:47:08,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-04 14:47:08,416 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 24.444444444444443) internal successors, (660), 28 states have internal predecessors, (660), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 330 [2025-03-04 14:47:08,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:47:08,423 INFO L225 Difference]: With dead ends: 1976 [2025-03-04 14:47:08,423 INFO L226 Difference]: Without dead ends: 1975 [2025-03-04 14:47:08,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 674 GetRequests, 643 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=338, Invalid=718, Unknown=0, NotChecked=0, Total=1056 [2025-03-04 14:47:08,424 INFO L435 NwaCegarLoop]: 456 mSDtfsCounter, 3737 mSDsluCounter, 4112 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3760 SdHoareTripleChecker+Valid, 4568 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 14:47:08,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3760 Valid, 4568 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 14:47:08,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2025-03-04 14:47:08,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1966. [2025-03-04 14:47:08,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1966 states, 1931 states have (on average 1.402900051786639) internal successors, (2709), 1934 states have internal predecessors, (2709), 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) [2025-03-04 14:47:08,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 2769 transitions. [2025-03-04 14:47:08,460 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 2769 transitions. Word has length 330 [2025-03-04 14:47:08,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:47:08,460 INFO L471 AbstractCegarLoop]: Abstraction has 1966 states and 2769 transitions. [2025-03-04 14:47:08,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 24.444444444444443) internal successors, (660), 28 states have internal predecessors, (660), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 14:47:08,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 2769 transitions. [2025-03-04 14:47:08,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2025-03-04 14:47:08,468 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:47:08,468 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:47:08,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-04 14:47:08,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:47:08,669 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:47:08,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:47:08,670 INFO L85 PathProgramCache]: Analyzing trace with hash 30035102, now seen corresponding path program 2 times [2025-03-04 14:47:08,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:47:08,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757281513] [2025-03-04 14:47:08,670 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 14:47:08,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:47:08,778 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 559 statements into 2 equivalence classes. [2025-03-04 14:47:08,941 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 559 of 559 statements. [2025-03-04 14:47:08,941 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 14:47:08,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:47:09,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1616 backedges. 0 proven. 1612 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:47:09,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:47:09,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757281513] [2025-03-04 14:47:09,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757281513] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 14:47:09,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842849078] [2025-03-04 14:47:09,959 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 14:47:09,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:47:09,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:47:09,961 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) [2025-03-04 14:47:09,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-04 14:47:10,390 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 559 statements into 2 equivalence classes. [2025-03-04 14:47:10,638 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 559 of 559 statements. [2025-03-04 14:47:10,638 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 14:47:10,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:47:10,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 2807 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-04 14:47:10,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 14:47:11,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1616 backedges. 0 proven. 1612 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:47:11,019 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 14:47:11,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1616 backedges. 0 proven. 1612 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 14:47:11,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842849078] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 14:47:11,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 14:47:11,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2025-03-04 14:47:11,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382872670] [2025-03-04 14:47:11,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 14:47:11,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-04 14:47:11,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:47:11,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-04 14:47:11,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2025-03-04 14:47:11,456 INFO L87 Difference]: Start difference. First operand 1966 states and 2769 transitions. Second operand has 23 states, 23 states have (on average 34.73913043478261) internal successors, (799), 23 states have internal predecessors, (799), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-04 14:47:11,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:47:11,791 INFO L93 Difference]: Finished difference Result 1971 states and 2774 transitions. [2025-03-04 14:47:11,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-04 14:47:11,792 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 34.73913043478261) internal successors, (799), 23 states have internal predecessors, (799), 3 states have call successors, (6), 1 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 559 [2025-03-04 14:47:11,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:47:11,798 INFO L225 Difference]: With dead ends: 1971 [2025-03-04 14:47:11,798 INFO L226 Difference]: Without dead ends: 1966 [2025-03-04 14:47:11,798 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1133 GetRequests, 1101 SyntacticMatches, 11 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2025-03-04 14:47:11,799 INFO L435 NwaCegarLoop]: 418 mSDtfsCounter, 3790 mSDsluCounter, 3148 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3816 SdHoareTripleChecker+Valid, 3566 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 14:47:11,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3816 Valid, 3566 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 14:47:11,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1966 states. [2025-03-04 14:47:11,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1966 to 1966. [2025-03-04 14:47:11,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1966 states, 1931 states have (on average 1.4013464526152253) internal successors, (2706), 1934 states have internal predecessors, (2706), 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) [2025-03-04 14:47:11,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 2766 transitions. [2025-03-04 14:47:11,826 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 2766 transitions. Word has length 559 [2025-03-04 14:47:11,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:47:11,827 INFO L471 AbstractCegarLoop]: Abstraction has 1966 states and 2766 transitions. [2025-03-04 14:47:11,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 34.73913043478261) internal successors, (799), 23 states have internal predecessors, (799), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-04 14:47:11,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 2766 transitions. [2025-03-04 14:47:11,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2025-03-04 14:47:11,832 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:47:11,832 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:47:11,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-04 14:47:12,033 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,SelfDestructingSolverStorable14 [2025-03-04 14:47:12,033 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:47:12,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:47:12,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1346943250, now seen corresponding path program 3 times [2025-03-04 14:47:12,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:47:12,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171983138] [2025-03-04 14:47:12,034 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 14:47:12,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:47:12,191 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 790 statements into 12 equivalence classes. [2025-03-04 14:47:12,271 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 82 of 790 statements. [2025-03-04 14:47:12,271 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-04 14:47:12,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:47:12,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3461 backedges. 638 proven. 0 refuted. 0 times theorem prover too weak. 2823 trivial. 0 not checked. [2025-03-04 14:47:12,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:47:12,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171983138] [2025-03-04 14:47:12,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171983138] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:47:12,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:47:12,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-04 14:47:12,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315639489] [2025-03-04 14:47:12,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:47:12,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 14:47:12,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:47:12,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 14:47:12,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 14:47:12,536 INFO L87 Difference]: Start difference. First operand 1966 states and 2766 transitions. Second operand has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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) [2025-03-04 14:47:13,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:47:13,020 INFO L93 Difference]: Finished difference Result 4187 states and 5862 transitions. [2025-03-04 14:47:13,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 14:47:13,020 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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 790 [2025-03-04 14:47:13,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:47:13,027 INFO L225 Difference]: With dead ends: 4187 [2025-03-04 14:47:13,027 INFO L226 Difference]: Without dead ends: 2306 [2025-03-04 14:47:13,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-04 14:47:13,030 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 13 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 14:47:13,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 792 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 14:47:13,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2306 states. [2025-03-04 14:47:13,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2306 to 2266. [2025-03-04 14:47:13,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2266 states, 2231 states have (on average 1.3787539220080682) internal successors, (3076), 2234 states have internal predecessors, (3076), 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) [2025-03-04 14:47:13,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 2266 states and 3136 transitions. [2025-03-04 14:47:13,085 INFO L78 Accepts]: Start accepts. Automaton has 2266 states and 3136 transitions. Word has length 790 [2025-03-04 14:47:13,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:47:13,085 INFO L471 AbstractCegarLoop]: Abstraction has 2266 states and 3136 transitions. [2025-03-04 14:47:13,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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) [2025-03-04 14:47:13,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 3136 transitions. [2025-03-04 14:47:13,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 801 [2025-03-04 14:47:13,095 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:47:13,095 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:47:13,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-04 14:47:13,095 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)] === [2025-03-04 14:47:13,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:47:13,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1693649586, now seen corresponding path program 1 times [2025-03-04 14:47:13,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:47:13,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46669018] [2025-03-04 14:47:13,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:47:13,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:47:13,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 800 statements into 1 equivalence classes. [2025-03-04 14:47:13,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 800 of 800 statements. [2025-03-04 14:47:13,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:47:13,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:47:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 3506 backedges. 334 proven. 0 refuted. 0 times theorem prover too weak. 3172 trivial. 0 not checked. [2025-03-04 14:47:14,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:47:14,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46669018] [2025-03-04 14:47:14,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46669018] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:47:14,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:47:14,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 14:47:14,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729545825] [2025-03-04 14:47:14,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:47:14,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 14:47:14,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:47:14,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 14:47:14,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-04 14:47:14,183 INFO L87 Difference]: Start difference. First operand 2266 states and 3136 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 7 states have internal predecessors, (131), 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) [2025-03-04 14:47:14,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:47:14,529 INFO L93 Difference]: Finished difference Result 4527 states and 6289 transitions. [2025-03-04 14:47:14,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 14:47:14,529 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 7 states have internal predecessors, (131), 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 800 [2025-03-04 14:47:14,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:47:14,536 INFO L225 Difference]: With dead ends: 4527 [2025-03-04 14:47:14,536 INFO L226 Difference]: Without dead ends: 2386 [2025-03-04 14:47:14,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-04 14:47:14,540 INFO L435 NwaCegarLoop]: 249 mSDtfsCounter, 14 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 14:47:14,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 952 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 14:47:14,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2386 states. [2025-03-04 14:47:14,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2386 to 2356. [2025-03-04 14:47:14,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2356 states, 2321 states have (on average 1.3813011632916845) internal successors, (3206), 2324 states have internal predecessors, (3206), 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) [2025-03-04 14:47:14,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 2356 states and 3266 transitions. [2025-03-04 14:47:14,579 INFO L78 Accepts]: Start accepts. Automaton has 2356 states and 3266 transitions. Word has length 800 [2025-03-04 14:47:14,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:47:14,579 INFO L471 AbstractCegarLoop]: Abstraction has 2356 states and 3266 transitions. [2025-03-04 14:47:14,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 7 states have internal predecessors, (131), 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) [2025-03-04 14:47:14,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2356 states and 3266 transitions. [2025-03-04 14:47:14,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2025-03-04 14:47:14,585 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:47:14,585 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:47:14,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-04 14:47:14,586 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:47:14,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:47:14,586 INFO L85 PathProgramCache]: Analyzing trace with hash 162848, now seen corresponding path program 1 times [2025-03-04 14:47:14,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:47:14,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348838215] [2025-03-04 14:47:14,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:47:14,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:47:14,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 810 statements into 1 equivalence classes. [2025-03-04 14:47:14,955 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 810 of 810 statements. [2025-03-04 14:47:14,955 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:47:14,955 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:47:16,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 3190 trivial. 0 not checked. [2025-03-04 14:47:16,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:47:16,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348838215] [2025-03-04 14:47:16,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348838215] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:47:16,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:47:16,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 14:47:16,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095647207] [2025-03-04 14:47:16,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:47:16,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 14:47:16,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:47:16,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 14:47:16,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-04 14:47:16,093 INFO L87 Difference]: Start difference. First operand 2356 states and 3266 transitions. Second operand has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 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) [2025-03-04 14:47:16,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:47:16,606 INFO L93 Difference]: Finished difference Result 4723 states and 6562 transitions. [2025-03-04 14:47:16,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-04 14:47:16,607 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 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 810 [2025-03-04 14:47:16,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:47:16,612 INFO L225 Difference]: With dead ends: 4723 [2025-03-04 14:47:16,613 INFO L226 Difference]: Without dead ends: 2496 [2025-03-04 14:47:16,614 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-03-04 14:47:16,615 INFO L435 NwaCegarLoop]: 257 mSDtfsCounter, 31 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 14:47:16,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 1362 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1051 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 14:47:16,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2025-03-04 14:47:16,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2436. [2025-03-04 14:47:16,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2436 states, 2401 states have (on average 1.3769262807163682) internal successors, (3306), 2404 states have internal predecessors, (3306), 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) [2025-03-04 14:47:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 2436 states and 3366 transitions. [2025-03-04 14:47:16,674 INFO L78 Accepts]: Start accepts. Automaton has 2436 states and 3366 transitions. Word has length 810 [2025-03-04 14:47:16,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:47:16,674 INFO L471 AbstractCegarLoop]: Abstraction has 2436 states and 3366 transitions. [2025-03-04 14:47:16,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 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) [2025-03-04 14:47:16,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 3366 transitions. [2025-03-04 14:47:16,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2025-03-04 14:47:16,684 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:47:16,685 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:47:16,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-04 14:47:16,685 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)] === [2025-03-04 14:47:16,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:47:16,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1488523176, now seen corresponding path program 1 times [2025-03-04 14:47:16,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:47:16,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956296342] [2025-03-04 14:47:16,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:47:16,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:47:16,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 810 statements into 1 equivalence classes. [2025-03-04 14:47:17,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 810 of 810 statements. [2025-03-04 14:47:17,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:47:17,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:47:17,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 3226 trivial. 0 not checked. [2025-03-04 14:47:17,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:47:17,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956296342] [2025-03-04 14:47:17,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956296342] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 14:47:17,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 14:47:17,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-04 14:47:17,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847451354] [2025-03-04 14:47:17,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 14:47:17,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 14:47:17,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 14:47:17,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 14:47:17,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-04 14:47:17,873 INFO L87 Difference]: Start difference. First operand 2436 states and 3366 transitions. Second operand has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 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) [2025-03-04 14:47:18,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 14:47:18,160 INFO L93 Difference]: Finished difference Result 4767 states and 6597 transitions. [2025-03-04 14:47:18,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 14:47:18,160 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 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 810 [2025-03-04 14:47:18,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 14:47:18,166 INFO L225 Difference]: With dead ends: 4767 [2025-03-04 14:47:18,166 INFO L226 Difference]: Without dead ends: 2466 [2025-03-04 14:47:18,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-04 14:47:18,168 INFO L435 NwaCegarLoop]: 258 mSDtfsCounter, 8 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 14:47:18,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 818 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 14:47:18,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2466 states. [2025-03-04 14:47:18,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2466 to 2466. [2025-03-04 14:47:18,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2466 states, 2431 states have (on average 1.37227478403949) internal successors, (3336), 2434 states have internal predecessors, (3336), 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) [2025-03-04 14:47:18,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2466 states to 2466 states and 3396 transitions. [2025-03-04 14:47:18,206 INFO L78 Accepts]: Start accepts. Automaton has 2466 states and 3396 transitions. Word has length 810 [2025-03-04 14:47:18,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 14:47:18,206 INFO L471 AbstractCegarLoop]: Abstraction has 2466 states and 3396 transitions. [2025-03-04 14:47:18,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 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) [2025-03-04 14:47:18,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2466 states and 3396 transitions. [2025-03-04 14:47:18,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 821 [2025-03-04 14:47:18,213 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 14:47:18,213 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 14:47:18,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-04 14:47:18,213 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-04 14:47:18,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 14:47:18,214 INFO L85 PathProgramCache]: Analyzing trace with hash -297221290, now seen corresponding path program 1 times [2025-03-04 14:47:18,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 14:47:18,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212653716] [2025-03-04 14:47:18,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:47:18,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 14:47:18,363 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 820 statements into 1 equivalence classes. [2025-03-04 14:48:05,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 820 of 820 statements. [2025-03-04 14:48:05,128 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 14:48:05,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 14:48:05,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3596 backedges. 523 proven. 3 refuted. 0 times theorem prover too weak. 3070 trivial. 0 not checked. [2025-03-04 14:48:05,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 14:48:05,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212653716] [2025-03-04 14:48:05,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212653716] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 14:48:05,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512486920] [2025-03-04 14:48:05,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 14:48:05,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 14:48:05,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 14:48:05,711 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) [2025-03-04 14:48:05,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-04 14:48:06,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 820 statements into 1 equivalence classes.