./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.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_JEN_test1-1.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 8a34048511216dfe9a14f70dd929fd2de5a6eaf4560cb9e9e466dd0467a1d6d7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 19:11:02,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 19:11:02,362 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 19:11:02,367 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 19:11:02,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 19:11:02,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 19:11:02,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 19:11:02,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 19:11:02,383 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 19:11:02,383 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 19:11:02,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 19:11:02,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 19:11:02,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 19:11:02,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 19:11:02,384 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 19:11:02,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 19:11:02,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 19:11:02,384 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 19:11:02,385 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 19:11:02,385 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 19:11:02,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 19:11:02,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 19:11:02,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 19:11:02,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 19:11:02,385 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 19:11:02,385 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 19:11:02,385 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 19:11:02,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 19:11:02,385 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 19:11:02,385 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 19:11:02,385 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 19:11:02,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 19:11:02,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 19:11:02,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 19:11:02,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:11:02,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 19:11:02,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 19:11:02,386 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 19:11:02,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 19:11:02,387 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 19:11:02,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 19:11:02,387 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 19:11:02,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 19:11:02,387 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 19:11:02,387 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 19:11:02,387 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 -> 8a34048511216dfe9a14f70dd929fd2de5a6eaf4560cb9e9e466dd0467a1d6d7 [2025-03-17 19:11:02,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 19:11:02,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 19:11:02,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 19:11:02,620 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 19:11:02,620 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 19:11:02,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i [2025-03-17 19:11:03,687 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2211cb783/52961b70ea964708a8d200ec2e2ab88c/FLAG720a2716a [2025-03-17 19:11:04,048 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 19:11:04,048 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i [2025-03-17 19:11:04,058 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2211cb783/52961b70ea964708a8d200ec2e2ab88c/FLAG720a2716a [2025-03-17 19:11:04,072 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2211cb783/52961b70ea964708a8d200ec2e2ab88c [2025-03-17 19:11:04,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 19:11:04,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 19:11:04,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 19:11:04,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 19:11:04,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 19:11:04,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:11:04" (1/1) ... [2025-03-17 19:11:04,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@286da023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:04, skipping insertion in model container [2025-03-17 19:11:04,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:11:04" (1/1) ... [2025-03-17 19:11:04,114 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 19:11:04,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:11:04,474 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 19:11:04,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:11:04,572 INFO L204 MainTranslator]: Completed translation [2025-03-17 19:11:04,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:04 WrapperNode [2025-03-17 19:11:04,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 19:11:04,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 19:11:04,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 19:11:04,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 19:11:04,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:04" (1/1) ... [2025-03-17 19:11:04,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:04" (1/1) ... [2025-03-17 19:11:04,624 INFO L138 Inliner]: procedures = 176, calls = 180, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 823 [2025-03-17 19:11:04,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 19:11:04,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 19:11:04,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 19:11:04,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 19:11:04,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:04" (1/1) ... [2025-03-17 19:11:04,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:04" (1/1) ... [2025-03-17 19:11:04,637 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:04" (1/1) ... [2025-03-17 19:11:04,670 INFO L175 MemorySlicer]: Split 158 memory accesses to 2 slices as follows [2, 156]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 42 writes are split as follows [0, 42]. [2025-03-17 19:11:04,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:04" (1/1) ... [2025-03-17 19:11:04,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:04" (1/1) ... [2025-03-17 19:11:04,691 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:04" (1/1) ... [2025-03-17 19:11:04,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:04" (1/1) ... [2025-03-17 19:11:04,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:04" (1/1) ... [2025-03-17 19:11:04,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:04" (1/1) ... [2025-03-17 19:11:04,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 19:11:04,708 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 19:11:04,709 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 19:11:04,709 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 19:11:04,709 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:04" (1/1) ... [2025-03-17 19:11:04,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:11:04,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:11:04,734 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 19:11:04,737 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 19:11:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 19:11:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 19:11:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 19:11:04,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 19:11:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 19:11:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 19:11:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 19:11:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 19:11:04,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 19:11:04,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 19:11:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 19:11:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 19:11:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 19:11:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 19:11:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 19:11:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 19:11:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 19:11:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 19:11:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 19:11:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 19:11:04,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 19:11:04,886 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 19:11:04,888 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 19:11:05,672 INFO L? ?]: Removed 212 outVars from TransFormulas that were not future-live. [2025-03-17 19:11:05,673 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 19:11:05,697 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 19:11:05,698 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-17 19:11:05,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:11:05 BoogieIcfgContainer [2025-03-17 19:11:05,698 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 19:11:05,700 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 19:11:05,700 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 19:11:05,705 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 19:11:05,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:11:04" (1/3) ... [2025-03-17 19:11:05,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad04bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:11:05, skipping insertion in model container [2025-03-17 19:11:05,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:04" (2/3) ... [2025-03-17 19:11:05,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad04bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:11:05, skipping insertion in model container [2025-03-17 19:11:05,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:11:05" (3/3) ... [2025-03-17 19:11:05,708 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test1-1.i [2025-03-17 19:11:05,719 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 19:11:05,721 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_JEN_test1-1.i that has 4 procedures, 242 locations, 1 initial locations, 19 loop locations, and 6 error locations. [2025-03-17 19:11:05,764 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 19:11:05,773 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;@4cdca9aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 19:11:05,774 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-03-17 19:11:05,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 238 states, 216 states have (on average 1.6296296296296295) internal successors, (352), 232 states have internal predecessors, (352), 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 19:11:05,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-17 19:11:05,781 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:11:05,781 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-17 19:11:05,781 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 19:11:05,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:11:05,784 INFO L85 PathProgramCache]: Analyzing trace with hash 13269869, now seen corresponding path program 1 times [2025-03-17 19:11:05,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:11:05,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472890738] [2025-03-17 19:11:05,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:05,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:11:05,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 19:11:05,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 19:11:05,872 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:05,872 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:11:05,926 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 19:11:05,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:11:05,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472890738] [2025-03-17 19:11:05,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472890738] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:11:05,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:11:05,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:11:05,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944254701] [2025-03-17 19:11:05,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:11:05,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:11:05,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:11:05,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:11:05,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:11:05,948 INFO L87 Difference]: Start difference. First operand has 238 states, 216 states have (on average 1.6296296296296295) internal successors, (352), 232 states have internal predecessors, (352), 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 19:11:06,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:11:06,079 INFO L93 Difference]: Finished difference Result 666 states and 1078 transitions. [2025-03-17 19:11:06,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:11:06,082 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 19:11:06,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:11:06,092 INFO L225 Difference]: With dead ends: 666 [2025-03-17 19:11:06,092 INFO L226 Difference]: Without dead ends: 426 [2025-03-17 19:11:06,097 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 19:11:06,102 INFO L435 NwaCegarLoop]: 355 mSDtfsCounter, 273 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:11:06,104 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 666 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:11:06,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2025-03-17 19:11:06,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 238. [2025-03-17 19:11:06,141 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 19:11:06,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 345 transitions. [2025-03-17 19:11:06,146 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 345 transitions. Word has length 4 [2025-03-17 19:11:06,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:11:06,146 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 345 transitions. [2025-03-17 19:11:06,146 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 19:11:06,146 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 345 transitions. [2025-03-17 19:11:06,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-17 19:11:06,149 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:11:06,149 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 19:11:06,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 19:11:06,149 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:11:06,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:11:06,150 INFO L85 PathProgramCache]: Analyzing trace with hash -2057459032, now seen corresponding path program 1 times [2025-03-17 19:11:06,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:11:06,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405597481] [2025-03-17 19:11:06,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:06,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:11:06,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-17 19:11:06,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-17 19:11:06,229 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:06,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:11:06,522 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 19:11:06,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:11:06,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405597481] [2025-03-17 19:11:06,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405597481] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:11:06,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:11:06,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 19:11:06,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540881232] [2025-03-17 19:11:06,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:11:06,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:11:06,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:11:06,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:11:06,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:11:06,525 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 19:11:06,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:11:06,650 INFO L93 Difference]: Finished difference Result 473 states and 687 transitions. [2025-03-17 19:11:06,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:11:06,651 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 19:11:06,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:11:06,653 INFO L225 Difference]: With dead ends: 473 [2025-03-17 19:11:06,653 INFO L226 Difference]: Without dead ends: 241 [2025-03-17 19:11:06,653 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 19:11:06,654 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 19:11:06,654 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 19:11:06,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2025-03-17 19:11:06,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 238. [2025-03-17 19:11:06,664 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 19:11:06,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 338 transitions. [2025-03-17 19:11:06,666 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 338 transitions. Word has length 77 [2025-03-17 19:11:06,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:11:06,666 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 338 transitions. [2025-03-17 19:11:06,666 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 19:11:06,666 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 338 transitions. [2025-03-17 19:11:06,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-17 19:11:06,667 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:11:06,667 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 19:11:06,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 19:11:06,667 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 19:11:06,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:11:06,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1268722654, now seen corresponding path program 1 times [2025-03-17 19:11:06,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:11:06,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899686043] [2025-03-17 19:11:06,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:06,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:11:06,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-17 19:11:06,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-17 19:11:06,738 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:06,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:11:06,845 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 19:11:06,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:11:06,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899686043] [2025-03-17 19:11:06,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899686043] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:11:06,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:11:06,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:11:06,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491951835] [2025-03-17 19:11:06,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:11:06,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:11:06,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:11:06,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:11:06,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:11:06,846 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 19:11:06,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:11:06,963 INFO L93 Difference]: Finished difference Result 595 states and 855 transitions. [2025-03-17 19:11:06,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:11:06,963 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 19:11:06,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:11:06,965 INFO L225 Difference]: With dead ends: 595 [2025-03-17 19:11:06,966 INFO L226 Difference]: Without dead ends: 363 [2025-03-17 19:11:06,968 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 19:11:06,969 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 19:11:06,970 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 19:11:06,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2025-03-17 19:11:06,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2025-03-17 19:11:06,988 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 19:11:06,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 522 transitions. [2025-03-17 19:11:06,993 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 522 transitions. Word has length 77 [2025-03-17 19:11:06,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:11:06,994 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 522 transitions. [2025-03-17 19:11:06,994 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 19:11:06,994 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 522 transitions. [2025-03-17 19:11:06,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-17 19:11:06,998 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:11:06,998 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 19:11:06,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 19:11:06,999 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 19:11:06,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:11:06,999 INFO L85 PathProgramCache]: Analyzing trace with hash 46105954, now seen corresponding path program 1 times [2025-03-17 19:11:06,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:11:06,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261832754] [2025-03-17 19:11:06,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:06,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:11:07,030 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-17 19:11:07,046 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-17 19:11:07,047 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:07,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:11:07,203 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 19:11:07,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:11:07,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261832754] [2025-03-17 19:11:07,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261832754] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:11:07,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:11:07,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:11:07,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777753589] [2025-03-17 19:11:07,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:11:07,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:11:07,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:11:07,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:11:07,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:11:07,205 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 19:11:07,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:11:07,296 INFO L93 Difference]: Finished difference Result 428 states and 607 transitions. [2025-03-17 19:11:07,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:11:07,296 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 19:11:07,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:11:07,298 INFO L225 Difference]: With dead ends: 428 [2025-03-17 19:11:07,298 INFO L226 Difference]: Without dead ends: 426 [2025-03-17 19:11:07,299 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 19:11:07,299 INFO L435 NwaCegarLoop]: 304 mSDtfsCounter, 185 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:11:07,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 906 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:11:07,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2025-03-17 19:11:07,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2025-03-17 19:11:07,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 403 states have (on average 1.4218362282878412) internal successors, (573), 417 states have internal predecessors, (573), 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 19:11:07,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 605 transitions. [2025-03-17 19:11:07,319 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 605 transitions. Word has length 92 [2025-03-17 19:11:07,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:11:07,319 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 605 transitions. [2025-03-17 19:11:07,319 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 19:11:07,319 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 605 transitions. [2025-03-17 19:11:07,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-17 19:11:07,320 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:11:07,321 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 19:11:07,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 19:11:07,321 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:11:07,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:11:07,321 INFO L85 PathProgramCache]: Analyzing trace with hash -487675041, now seen corresponding path program 1 times [2025-03-17 19:11:07,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:11:07,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444662872] [2025-03-17 19:11:07,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:07,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:11:07,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 19:11:07,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 19:11:07,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:07,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:11:07,569 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:11:07,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:11:07,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444662872] [2025-03-17 19:11:07,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444662872] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:11:07,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152564344] [2025-03-17 19:11:07,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:07,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:11:07,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:11:07,572 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 19:11:07,574 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 19:11:07,725 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 19:11:07,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 19:11:07,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:07,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:11:07,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 19:11:07,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:11:07,946 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:11:07,947 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:11:08,071 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:11:08,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152564344] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:11:08,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:11:08,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-17 19:11:08,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410869078] [2025-03-17 19:11:08,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:11:08,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:11:08,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:11:08,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:11:08,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:11:08,073 INFO L87 Difference]: Start difference. First operand 426 states and 605 transitions. Second operand has 10 states, 10 states have (on average 25.6) internal successors, (256), 10 states have internal predecessors, (256), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 19:11:08,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:11:08,258 INFO L93 Difference]: Finished difference Result 653 states and 935 transitions. [2025-03-17 19:11:08,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 19:11:08,259 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 25.6) internal successors, (256), 10 states have internal predecessors, (256), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 96 [2025-03-17 19:11:08,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:11:08,262 INFO L225 Difference]: With dead ends: 653 [2025-03-17 19:11:08,265 INFO L226 Difference]: Without dead ends: 622 [2025-03-17 19:11:08,266 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:11:08,266 INFO L435 NwaCegarLoop]: 302 mSDtfsCounter, 1271 mSDsluCounter, 1434 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1278 SdHoareTripleChecker+Valid, 1736 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:11:08,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1278 Valid, 1736 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:11:08,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2025-03-17 19:11:08,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 622. [2025-03-17 19:11:08,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 596 states have (on average 1.417785234899329) internal successors, (845), 610 states have internal predecessors, (845), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-17 19:11:08,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 883 transitions. [2025-03-17 19:11:08,283 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 883 transitions. Word has length 96 [2025-03-17 19:11:08,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:11:08,283 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 883 transitions. [2025-03-17 19:11:08,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 25.6) internal successors, (256), 10 states have internal predecessors, (256), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 19:11:08,284 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 883 transitions. [2025-03-17 19:11:08,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-03-17 19:11:08,285 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:11:08,285 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 19:11:08,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 19:11:08,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:11:08,486 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:11:08,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:11:08,486 INFO L85 PathProgramCache]: Analyzing trace with hash -181722833, now seen corresponding path program 1 times [2025-03-17 19:11:08,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:11:08,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096034569] [2025-03-17 19:11:08,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:08,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:11:08,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-17 19:11:08,605 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-17 19:11:08,605 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:08,605 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:11:08,789 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 19:11:08,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:11:08,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096034569] [2025-03-17 19:11:08,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096034569] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:11:08,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955837795] [2025-03-17 19:11:08,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:08,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:11:08,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:11:08,792 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 19:11:08,794 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 19:11:08,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-17 19:11:08,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-17 19:11:08,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:08,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:11:08,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-03-17 19:11:09,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:11:09,031 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 19:11:09,051 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 19:11:09,553 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-17 19:11:09,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 58 [2025-03-17 19:11:09,779 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 19:11:09,780 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:11:09,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955837795] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:11:09,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:11:09,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 14 [2025-03-17 19:11:09,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497927053] [2025-03-17 19:11:09,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:11:09,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 19:11:09,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:11:09,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 19:11:09,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-17 19:11:09,782 INFO L87 Difference]: Start difference. First operand 622 states and 883 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 19:11:11,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:11:11,632 INFO L93 Difference]: Finished difference Result 1208 states and 1709 transitions. [2025-03-17 19:11:11,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 19:11:11,634 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 19:11:11,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:11:11,636 INFO L225 Difference]: With dead ends: 1208 [2025-03-17 19:11:11,636 INFO L226 Difference]: Without dead ends: 670 [2025-03-17 19:11:11,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2025-03-17 19:11:11,638 INFO L435 NwaCegarLoop]: 306 mSDtfsCounter, 537 mSDsluCounter, 1766 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 2072 SdHoareTripleChecker+Invalid, 1401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-03-17 19:11:11,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 2072 Invalid, 1401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1392 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-03-17 19:11:11,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2025-03-17 19:11:11,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 647. [2025-03-17 19:11:11,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 621 states have (on average 1.4090177133655395) internal successors, (875), 635 states have internal predecessors, (875), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-17 19:11:11,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 913 transitions. [2025-03-17 19:11:11,654 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 913 transitions. Word has length 98 [2025-03-17 19:11:11,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:11:11,655 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 913 transitions. [2025-03-17 19:11:11,655 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 19:11:11,655 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 913 transitions. [2025-03-17 19:11:11,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-17 19:11:11,656 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:11:11,656 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 19:11:11,663 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 19:11:11,860 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,SelfDestructingSolverStorable5 [2025-03-17 19:11:11,860 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:11:11,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:11:11,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1038150993, now seen corresponding path program 1 times [2025-03-17 19:11:11,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:11:11,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095627978] [2025-03-17 19:11:11,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:11,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:11:11,887 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-17 19:11:12,014 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-17 19:11:12,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:12,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:11:12,144 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 19:11:12,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:11:12,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095627978] [2025-03-17 19:11:12,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095627978] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:11:12,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129550946] [2025-03-17 19:11:12,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:12,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:11:12,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:11:12,147 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 19:11:12,149 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 19:11:12,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-17 19:11:12,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-17 19:11:12,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:12,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:11:12,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-17 19:11:12,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:12:14,771 WARN L286 SmtUtils]: Spent 5.72s on a formula simplification. DAG size of input: 16 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 19:12:40,492 WARN L286 SmtUtils]: Spent 12.01s 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)