./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 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_SFH_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 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 19:20:43,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 19:20:43,084 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 19:20:43,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 19:20:43,087 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 19:20:43,099 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 19:20:43,099 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 19:20:43,100 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 19:20:43,100 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 19:20:43,100 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 19:20:43,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 19:20:43,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 19:20:43,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 19:20:43,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 19:20:43,100 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 19:20:43,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 19:20:43,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 19:20:43,101 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 19:20:43,101 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 19:20:43,101 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 19:20:43,101 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 19:20:43,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 19:20:43,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 19:20:43,101 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 19:20:43,101 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 19:20:43,101 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 19:20:43,101 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 19:20:43,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 19:20:43,102 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 19:20:43,102 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 19:20:43,102 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 19:20:43,102 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 19:20:43,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 19:20:43,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 19:20:43,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:20:43,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 19:20:43,102 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 19:20:43,103 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 19:20:43,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 19:20:43,103 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 19:20:43,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 19:20:43,103 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 19:20:43,103 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 19:20:43,103 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 19:20:43,103 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 19:20:43,103 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 -> 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed [2025-03-17 19:20:43,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 19:20:43,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 19:20:43,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 19:20:43,350 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 19:20:43,350 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 19:20:43,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2025-03-17 19:20:44,467 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dd0fed56/d7c28230653c4bc78cfc6e690397d462/FLAGec73e3af3 [2025-03-17 19:20:44,737 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 19:20:44,738 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2025-03-17 19:20:44,748 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dd0fed56/d7c28230653c4bc78cfc6e690397d462/FLAGec73e3af3 [2025-03-17 19:20:45,033 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dd0fed56/d7c28230653c4bc78cfc6e690397d462 [2025-03-17 19:20:45,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 19:20:45,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 19:20:45,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 19:20:45,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 19:20:45,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 19:20:45,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:20:45" (1/1) ... [2025-03-17 19:20:45,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae15518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:45, skipping insertion in model container [2025-03-17 19:20:45,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:20:45" (1/1) ... [2025-03-17 19:20:45,105 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 19:20:45,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:20:45,455 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 19:20:45,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:20:45,550 INFO L204 MainTranslator]: Completed translation [2025-03-17 19:20:45,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:45 WrapperNode [2025-03-17 19:20:45,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 19:20:45,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 19:20:45,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 19:20:45,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 19:20:45,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:45" (1/1) ... [2025-03-17 19:20:45,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:45" (1/1) ... [2025-03-17 19:20:45,608 INFO L138 Inliner]: procedures = 176, calls = 231, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 982 [2025-03-17 19:20:45,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 19:20:45,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 19:20:45,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 19:20:45,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 19:20:45,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:45" (1/1) ... [2025-03-17 19:20:45,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:45" (1/1) ... [2025-03-17 19:20:45,625 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:45" (1/1) ... [2025-03-17 19:20:45,667 INFO L175 MemorySlicer]: Split 206 memory accesses to 2 slices as follows [204, 2]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2]. The 50 writes are split as follows [50, 0]. [2025-03-17 19:20:45,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:45" (1/1) ... [2025-03-17 19:20:45,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:45" (1/1) ... [2025-03-17 19:20:45,693 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:45" (1/1) ... [2025-03-17 19:20:45,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:45" (1/1) ... [2025-03-17 19:20:45,697 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:45" (1/1) ... [2025-03-17 19:20:45,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:45" (1/1) ... [2025-03-17 19:20:45,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 19:20:45,706 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 19:20:45,706 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 19:20:45,706 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 19:20:45,707 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:45" (1/1) ... [2025-03-17 19:20:45,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:20:45,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:20:45,733 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) [2025-03-17 19:20:45,736 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 [2025-03-17 19:20:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 19:20:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 19:20:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 19:20:45,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 19:20:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 19:20:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 19:20:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 19:20:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 19:20:45,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 19:20:45,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 19:20:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 19:20:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 19:20:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 19:20:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 19:20:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 19:20:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 19:20:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 19:20:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 19:20:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 19:20:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 19:20:45,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 19:20:45,904 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 19:20:45,905 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 19:20:46,788 INFO L? ?]: Removed 234 outVars from TransFormulas that were not future-live. [2025-03-17 19:20:46,789 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 19:20:46,814 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 19:20:46,816 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-17 19:20:46,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:20:46 BoogieIcfgContainer [2025-03-17 19:20:46,817 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 19:20:46,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 19:20:46,818 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 19:20:46,821 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 19:20:46,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:20:45" (1/3) ... [2025-03-17 19:20:46,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27afd81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:20:46, skipping insertion in model container [2025-03-17 19:20:46,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:45" (2/3) ... [2025-03-17 19:20:46,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27afd81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:20:46, skipping insertion in model container [2025-03-17 19:20:46,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:20:46" (3/3) ... [2025-03-17 19:20:46,823 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test1-2.i [2025-03-17 19:20:46,832 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 19:20:46,833 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SFH_test1-2.i that has 4 procedures, 275 locations, 1 initial locations, 24 loop locations, and 6 error locations. [2025-03-17 19:20:46,873 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 19:20:46,882 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;@5d90d753, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 19:20:46,882 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-03-17 19:20:46,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 271 states, 249 states have (on average 1.6305220883534137) internal successors, (406), 265 states have internal predecessors, (406), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 19:20:46,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-17 19:20:46,888 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:20:46,888 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-17 19:20:46,888 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)] === [2025-03-17 19:20:46,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:20:46,891 INFO L85 PathProgramCache]: Analyzing trace with hash 14962989, now seen corresponding path program 1 times [2025-03-17 19:20:46,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:20:46,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675939012] [2025-03-17 19:20:46,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:20:46,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:20:46,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 19:20:46,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 19:20:46,960 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:20:46,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:20:47,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:20:47,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:20:47,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675939012] [2025-03-17 19:20:47,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675939012] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:20:47,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:20:47,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:20:47,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97199049] [2025-03-17 19:20:47,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:20:47,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:20:47,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:20:47,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:20:47,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:20:47,026 INFO L87 Difference]: Start difference. First operand has 271 states, 249 states have (on average 1.6305220883534137) internal successors, (406), 265 states have internal predecessors, (406), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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) [2025-03-17 19:20:47,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:20:47,171 INFO L93 Difference]: Finished difference Result 732 states and 1186 transitions. [2025-03-17 19:20:47,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:20:47,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2025-03-17 19:20:47,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:20:47,180 INFO L225 Difference]: With dead ends: 732 [2025-03-17 19:20:47,181 INFO L226 Difference]: Without dead ends: 426 [2025-03-17 19:20:47,185 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:20:47,187 INFO L435 NwaCegarLoop]: 360 mSDtfsCounter, 273 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:20:47,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 716 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:20:47,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2025-03-17 19:20:47,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 234. [2025-03-17 19:20:47,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 214 states have (on average 1.47196261682243) internal successors, (315), 228 states have internal predecessors, (315), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 19:20:47,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 341 transitions. [2025-03-17 19:20:47,230 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 341 transitions. Word has length 4 [2025-03-17 19:20:47,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:20:47,231 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 341 transitions. [2025-03-17 19:20:47,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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) [2025-03-17 19:20:47,232 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 341 transitions. [2025-03-17 19:20:47,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 19:20:47,232 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:20:47,232 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-17 19:20:47,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 19:20:47,232 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:20:47,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:20:47,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1817088605, now seen corresponding path program 1 times [2025-03-17 19:20:47,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:20:47,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752878829] [2025-03-17 19:20:47,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:20:47,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:20:47,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 19:20:47,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 19:20:47,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:20:47,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 19:20:47,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [817305334] [2025-03-17 19:20:47,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:20:47,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:20:47,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:20:47,271 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) [2025-03-17 19:20:47,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 19:20:47,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 19:20:47,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 19:20:47,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:20:47,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:20:47,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 19:20:47,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:20:47,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:20:47,404 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:20:47,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:20:47,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752878829] [2025-03-17 19:20:47,405 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 19:20:47,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817305334] [2025-03-17 19:20:47,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817305334] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:20:47,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:20:47,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 19:20:47,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911581757] [2025-03-17 19:20:47,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:20:47,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:20:47,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:20:47,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:20:47,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:20:47,407 INFO L87 Difference]: Start difference. First operand 234 states and 341 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2025-03-17 19:20:47,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:20:47,476 INFO L93 Difference]: Finished difference Result 427 states and 621 transitions. [2025-03-17 19:20:47,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:20:47,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 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 [2025-03-17 19:20:47,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:20:47,478 INFO L225 Difference]: With dead ends: 427 [2025-03-17 19:20:47,478 INFO L226 Difference]: Without dead ends: 426 [2025-03-17 19:20:47,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:20:47,479 INFO L435 NwaCegarLoop]: 313 mSDtfsCounter, 269 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:20:47,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 622 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:20:47,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2025-03-17 19:20:47,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 238. [2025-03-17 19:20:47,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 218 states have (on average 1.463302752293578) internal successors, (319), 232 states have internal predecessors, (319), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 19:20:47,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 345 transitions. [2025-03-17 19:20:47,498 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 345 transitions. Word has length 6 [2025-03-17 19:20:47,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:20:47,498 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 345 transitions. [2025-03-17 19:20:47,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2025-03-17 19:20:47,499 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 345 transitions. [2025-03-17 19:20:47,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-17 19:20:47,500 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:20:47,500 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] [2025-03-17 19:20:47,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 19:20:47,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:20:47,701 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:20:47,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:20:47,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1602163136, now seen corresponding path program 1 times [2025-03-17 19:20:47,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:20:47,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488994900] [2025-03-17 19:20:47,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:20:47,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:20:47,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-17 19:20:47,759 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-17 19:20:47,759 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:20:47,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:20:48,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:20:48,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:20:48,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488994900] [2025-03-17 19:20:48,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488994900] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:20:48,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:20:48,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 19:20:48,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136838971] [2025-03-17 19:20:48,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:20:48,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:20:48,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:20:48,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:20:48,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:20:48,031 INFO L87 Difference]: Start difference. First operand 238 states and 345 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2025-03-17 19:20:48,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:20:48,142 INFO L93 Difference]: Finished difference Result 473 states and 687 transitions. [2025-03-17 19:20:48,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:20:48,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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 77 [2025-03-17 19:20:48,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:20:48,144 INFO L225 Difference]: With dead ends: 473 [2025-03-17 19:20:48,144 INFO L226 Difference]: Without dead ends: 241 [2025-03-17 19:20:48,145 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 [2025-03-17 19:20:48,146 INFO L435 NwaCegarLoop]: 291 mSDtfsCounter, 105 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 789 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 [2025-03-17 19:20:48,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 789 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:20:48,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2025-03-17 19:20:48,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 238. [2025-03-17 19:20:48,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 218 states have (on average 1.4311926605504588) internal successors, (312), 232 states have internal predecessors, (312), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 19:20:48,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 338 transitions. [2025-03-17 19:20:48,161 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 338 transitions. Word has length 77 [2025-03-17 19:20:48,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:20:48,161 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 338 transitions. [2025-03-17 19:20:48,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2025-03-17 19:20:48,162 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 338 transitions. [2025-03-17 19:20:48,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-17 19:20:48,164 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:20:48,164 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] [2025-03-17 19:20:48,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 19:20:48,165 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)] === [2025-03-17 19:20:48,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:20:48,165 INFO L85 PathProgramCache]: Analyzing trace with hash 216219417, now seen corresponding path program 1 times [2025-03-17 19:20:48,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:20:48,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803716644] [2025-03-17 19:20:48,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:20:48,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:20:48,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-17 19:20:48,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-17 19:20:48,225 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:20:48,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:20:48,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:20:48,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:20:48,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803716644] [2025-03-17 19:20:48,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803716644] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:20:48,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:20:48,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:20:48,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675850465] [2025-03-17 19:20:48,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:20:48,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:20:48,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:20:48,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:20:48,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:20:48,338 INFO L87 Difference]: Start difference. First operand 238 states and 338 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 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) [2025-03-17 19:20:48,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:20:48,423 INFO L93 Difference]: Finished difference Result 595 states and 855 transitions. [2025-03-17 19:20:48,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:20:48,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 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 77 [2025-03-17 19:20:48,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:20:48,426 INFO L225 Difference]: With dead ends: 595 [2025-03-17 19:20:48,427 INFO L226 Difference]: Without dead ends: 363 [2025-03-17 19:20:48,427 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:20:48,428 INFO L435 NwaCegarLoop]: 310 mSDtfsCounter, 134 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 612 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 [2025-03-17 19:20:48,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 612 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:20:48,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2025-03-17 19:20:48,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2025-03-17 19:20:48,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 343 states have (on average 1.446064139941691) internal successors, (496), 357 states have internal predecessors, (496), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 19:20:48,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 522 transitions. [2025-03-17 19:20:48,438 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 522 transitions. Word has length 77 [2025-03-17 19:20:48,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:20:48,439 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 522 transitions. [2025-03-17 19:20:48,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 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) [2025-03-17 19:20:48,439 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 522 transitions. [2025-03-17 19:20:48,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-17 19:20:48,441 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:20:48,441 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] [2025-03-17 19:20:48,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 19:20:48,441 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)] === [2025-03-17 19:20:48,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:20:48,441 INFO L85 PathProgramCache]: Analyzing trace with hash 921889346, now seen corresponding path program 1 times [2025-03-17 19:20:48,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:20:48,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207001172] [2025-03-17 19:20:48,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:20:48,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:20:48,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-17 19:20:48,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-17 19:20:48,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:20:48,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:20:48,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:20:48,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:20:48,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207001172] [2025-03-17 19:20:48,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207001172] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:20:48,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:20:48,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:20:48,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540119152] [2025-03-17 19:20:48,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:20:48,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:20:48,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:20:48,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:20:48,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:20:48,760 INFO L87 Difference]: Start difference. First operand 363 states and 522 transitions. Second operand has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 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) [2025-03-17 19:20:48,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:20:48,836 INFO L93 Difference]: Finished difference Result 363 states and 522 transitions. [2025-03-17 19:20:48,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:20:48,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 92 [2025-03-17 19:20:48,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:20:48,838 INFO L225 Difference]: With dead ends: 363 [2025-03-17 19:20:48,838 INFO L226 Difference]: Without dead ends: 362 [2025-03-17 19:20:48,839 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 [2025-03-17 19:20:48,839 INFO L435 NwaCegarLoop]: 300 mSDtfsCounter, 188 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:20:48,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 655 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:20:48,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2025-03-17 19:20:48,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2025-03-17 19:20:48,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 343 states have (on average 1.4431486880466473) internal successors, (495), 356 states have internal predecessors, (495), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 19:20:48,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 521 transitions. [2025-03-17 19:20:48,859 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 521 transitions. Word has length 92 [2025-03-17 19:20:48,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:20:48,860 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 521 transitions. [2025-03-17 19:20:48,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 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) [2025-03-17 19:20:48,860 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 521 transitions. [2025-03-17 19:20:48,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-17 19:20:48,864 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:20:48,865 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] [2025-03-17 19:20:48,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 19:20:48,865 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:20:48,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:20:48,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1486201247, now seen corresponding path program 1 times [2025-03-17 19:20:48,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:20:48,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648096874] [2025-03-17 19:20:48,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:20:48,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:20:48,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-17 19:20:48,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-17 19:20:48,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:20:48,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:20:49,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:20:49,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:20:49,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648096874] [2025-03-17 19:20:49,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648096874] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:20:49,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:20:49,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:20:49,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814470108] [2025-03-17 19:20:49,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:20:49,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:20:49,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:20:49,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:20:49,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:20:49,048 INFO L87 Difference]: Start difference. First operand 362 states and 521 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) [2025-03-17 19:20:49,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:20:49,136 INFO L93 Difference]: Finished difference Result 426 states and 605 transitions. [2025-03-17 19:20:49,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:20:49,136 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 [2025-03-17 19:20:49,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:20:49,138 INFO L225 Difference]: With dead ends: 426 [2025-03-17 19:20:49,138 INFO L226 Difference]: Without dead ends: 425 [2025-03-17 19:20:49,138 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 [2025-03-17 19:20:49,139 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 184 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:20:49,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 904 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:20:49,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2025-03-17 19:20:49,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2025-03-17 19:20:49,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 403 states have (on average 1.4193548387096775) internal successors, (572), 416 states have internal predecessors, (572), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-17 19:20:49,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 604 transitions. [2025-03-17 19:20:49,151 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 604 transitions. Word has length 93 [2025-03-17 19:20:49,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:20:49,152 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 604 transitions. [2025-03-17 19:20:49,152 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) [2025-03-17 19:20:49,152 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 604 transitions. [2025-03-17 19:20:49,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-17 19:20:49,153 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:20:49,153 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] [2025-03-17 19:20:49,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 19:20:49,153 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)] === [2025-03-17 19:20:49,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:20:49,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1396602367, now seen corresponding path program 1 times [2025-03-17 19:20:49,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:20:49,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396904810] [2025-03-17 19:20:49,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:20:49,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:20:49,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 19:20:49,204 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 19:20:49,204 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:20:49,204 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:20:49,352 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-17 19:20:49,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:20:49,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396904810] [2025-03-17 19:20:49,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396904810] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:20:49,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:20:49,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:20:49,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033406467] [2025-03-17 19:20:49,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:20:49,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:20:49,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:20:49,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:20:49,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:20:49,354 INFO L87 Difference]: Start difference. First operand 425 states and 604 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 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) [2025-03-17 19:20:49,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:20:49,434 INFO L93 Difference]: Finished difference Result 449 states and 646 transitions. [2025-03-17 19:20:49,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 19:20:49,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 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 96 [2025-03-17 19:20:49,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:20:49,436 INFO L225 Difference]: With dead ends: 449 [2025-03-17 19:20:49,437 INFO L226 Difference]: Without dead ends: 447 [2025-03-17 19:20:49,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:20:49,437 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 218 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:20:49,437 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 641 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:20:49,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2025-03-17 19:20:49,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 428. [2025-03-17 19:20:49,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 406 states have (on average 1.416256157635468) internal successors, (575), 419 states have internal predecessors, (575), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-17 19:20:49,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 607 transitions. [2025-03-17 19:20:49,455 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 607 transitions. Word has length 96 [2025-03-17 19:20:49,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:20:49,455 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 607 transitions. [2025-03-17 19:20:49,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 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) [2025-03-17 19:20:49,455 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 607 transitions. [2025-03-17 19:20:49,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-03-17 19:20:49,456 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:20:49,456 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] [2025-03-17 19:20:49,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 19:20:49,456 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:20:49,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:20:49,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1867330897, now seen corresponding path program 1 times [2025-03-17 19:20:49,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:20:49,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903570115] [2025-03-17 19:20:49,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:20:49,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:20:49,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-17 19:20:49,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-17 19:20:49,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:20:49,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:20:49,816 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:20:49,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:20:49,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903570115] [2025-03-17 19:20:49,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903570115] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:20:49,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121149082] [2025-03-17 19:20:49,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:20:49,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:20:49,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:20:49,822 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) [2025-03-17 19:20:49,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 19:20:50,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-17 19:20:50,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-17 19:20:50,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:20:50,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:20:50,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-17 19:20:50,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:20:50,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-03-17 19:20:50,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2025-03-17 19:20:50,872 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:20:50,873 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:20:50,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121149082] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:20:50,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:20:50,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 14 [2025-03-17 19:20:50,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060300812] [2025-03-17 19:20:50,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:20:50,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 19:20:50,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:20:50,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 19:20:50,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2025-03-17 19:20:50,875 INFO L87 Difference]: Start difference. First operand 428 states and 607 transitions. Second operand has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 11 states have internal predecessors, (91), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:20:52,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:20:52,629 INFO L93 Difference]: Finished difference Result 820 states and 1157 transitions. [2025-03-17 19:20:52,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 19:20:52,630 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 11 states have internal predecessors, (91), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 98 [2025-03-17 19:20:52,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:20:52,635 INFO L225 Difference]: With dead ends: 820 [2025-03-17 19:20:52,635 INFO L226 Difference]: Without dead ends: 476 [2025-03-17 19:20:52,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2025-03-17 19:20:52,637 INFO L435 NwaCegarLoop]: 305 mSDtfsCounter, 755 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 757 SdHoareTripleChecker+Valid, 1710 SdHoareTripleChecker+Invalid, 1153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-17 19:20:52,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [757 Valid, 1710 Invalid, 1153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1145 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-17 19:20:52,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2025-03-17 19:20:52,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 453. [2025-03-17 19:20:52,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 431 states have (on average 1.4037122969837588) internal successors, (605), 444 states have internal predecessors, (605), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-17 19:20:52,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 637 transitions. [2025-03-17 19:20:52,655 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 637 transitions. Word has length 98 [2025-03-17 19:20:52,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:20:52,655 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 637 transitions. [2025-03-17 19:20:52,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 11 states have internal predecessors, (91), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:20:52,655 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 637 transitions. [2025-03-17 19:20:52,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-17 19:20:52,657 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:20:52,658 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] [2025-03-17 19:20:52,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 19:20:52,862 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 [2025-03-17 19:20:52,862 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)] === [2025-03-17 19:20:52,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:20:52,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1936363848, now seen corresponding path program 1 times [2025-03-17 19:20:52,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:20:52,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825044711] [2025-03-17 19:20:52,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:20:52,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:20:52,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-17 19:20:52,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-17 19:20:52,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:20:52,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:20:53,098 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:20:53,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:20:53,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825044711] [2025-03-17 19:20:53,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825044711] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:20:53,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483284322] [2025-03-17 19:20:53,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:20:53,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:20:53,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:20:53,101 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) [2025-03-17 19:20:53,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 19:20:53,235 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-17 19:20:53,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-17 19:20:53,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:20:53,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:20:53,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-17 19:20:53,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:21:32,947 WARN L286 SmtUtils]: Spent 5.33s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 19:22:04,269 WARN L286 SmtUtils]: Spent 6.70s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 19:22:24,154 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)