./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed 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/seq-mthreaded/pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c -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 5c6d968f3bfd626cfd1fff51fa64657ab37ae457da61332877d0ea5ab7fc90f2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 02:47:46,561 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 02:47:46,614 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 02:47:46,620 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 02:47:46,622 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 02:47:46,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 02:47:46,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 02:47:46,639 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 02:47:46,639 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 02:47:46,639 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 02:47:46,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 02:47:46,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 02:47:46,639 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 02:47:46,640 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 02:47:46,640 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 02:47:46,640 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 02:47:46,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 02:47:46,641 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 02:47:46,641 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 02:47:46,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 02:47:46,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 02:47:46,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 02:47:46,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 02:47:46,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 02:47:46,642 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 02:47:46,642 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 02:47:46,642 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 02:47:46,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 02:47:46,642 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 02:47:46,642 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 02:47:46,642 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 02:47:46,642 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 02:47:46,642 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 02:47:46,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 02:47:46,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:47:46,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 02:47:46,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 02:47:46,643 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 02:47:46,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 02:47:46,643 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 02:47:46,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 02:47:46,643 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 02:47:46,643 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 02:47:46,643 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 02:47:46,643 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 02:47:46,644 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 -> 5c6d968f3bfd626cfd1fff51fa64657ab37ae457da61332877d0ea5ab7fc90f2 [2025-03-09 02:47:46,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 02:47:46,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 02:47:46,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 02:47:46,856 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 02:47:46,856 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 02:47:46,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c [2025-03-09 02:47:47,959 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bdbdb875/be6dc0f0bde3441ab058d39bcbfe8459/FLAG59b8755d4 [2025-03-09 02:47:48,257 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 02:47:48,258 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c [2025-03-09 02:47:48,274 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bdbdb875/be6dc0f0bde3441ab058d39bcbfe8459/FLAG59b8755d4 [2025-03-09 02:47:48,290 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bdbdb875/be6dc0f0bde3441ab058d39bcbfe8459 [2025-03-09 02:47:48,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 02:47:48,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 02:47:48,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 02:47:48,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 02:47:48,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 02:47:48,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:47:48" (1/1) ... [2025-03-09 02:47:48,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c68ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:47:48, skipping insertion in model container [2025-03-09 02:47:48,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:47:48" (1/1) ... [2025-03-09 02:47:48,325 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 02:47:48,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:47:48,534 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 02:47:48,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:47:48,610 INFO L204 MainTranslator]: Completed translation [2025-03-09 02:47:48,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:47:48 WrapperNode [2025-03-09 02:47:48,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 02:47:48,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 02:47:48,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 02:47:48,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 02:47:48,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:47:48" (1/1) ... [2025-03-09 02:47:48,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:47:48" (1/1) ... [2025-03-09 02:47:48,646 INFO L138 Inliner]: procedures = 32, calls = 49, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 515 [2025-03-09 02:47:48,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 02:47:48,646 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 02:47:48,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 02:47:48,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 02:47:48,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:47:48" (1/1) ... [2025-03-09 02:47:48,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:47:48" (1/1) ... [2025-03-09 02:47:48,660 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:47:48" (1/1) ... [2025-03-09 02:47:48,682 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-09 02:47:48,682 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:47:48" (1/1) ... [2025-03-09 02:47:48,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:47:48" (1/1) ... [2025-03-09 02:47:48,697 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:47:48" (1/1) ... [2025-03-09 02:47:48,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:47:48" (1/1) ... [2025-03-09 02:47:48,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:47:48" (1/1) ... [2025-03-09 02:47:48,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:47:48" (1/1) ... [2025-03-09 02:47:48,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 02:47:48,712 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 02:47:48,712 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 02:47:48,712 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 02:47:48,713 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:47:48" (1/1) ... [2025-03-09 02:47:48,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:47:48,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:47:48,745 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) [2025-03-09 02:47:48,747 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 [2025-03-09 02:47:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2025-03-09 02:47:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2025-03-09 02:47:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 02:47:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2025-03-09 02:47:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2025-03-09 02:47:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-03-09 02:47:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-03-09 02:47:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2025-03-09 02:47:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2025-03-09 02:47:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-09 02:47:48,767 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-09 02:47:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 02:47:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2025-03-09 02:47:48,767 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2025-03-09 02:47:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 02:47:48,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 02:47:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2025-03-09 02:47:48,767 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2025-03-09 02:47:48,853 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 02:47:48,854 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 02:47:49,333 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2025-03-09 02:47:49,333 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 02:47:49,342 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 02:47:49,344 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 02:47:49,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:47:49 BoogieIcfgContainer [2025-03-09 02:47:49,344 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 02:47:49,346 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 02:47:49,346 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 02:47:49,349 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 02:47:49,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 02:47:48" (1/3) ... [2025-03-09 02:47:49,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3a74cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:47:49, skipping insertion in model container [2025-03-09 02:47:49,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:47:48" (2/3) ... [2025-03-09 02:47:49,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3a74cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:47:49, skipping insertion in model container [2025-03-09 02:47:49,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:47:49" (3/3) ... [2025-03-09 02:47:49,351 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c [2025-03-09 02:47:49,360 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 02:47:49,361 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c that has 8 procedures, 184 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2025-03-09 02:47:49,401 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 02:47:49,409 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;@6c80f85e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 02:47:49,409 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-09 02:47:49,411 INFO L276 IsEmpty]: Start isEmpty. Operand has 184 states, 143 states have (on average 1.5454545454545454) internal successors, (221), 145 states have internal predecessors, (221), 31 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-03-09 02:47:49,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-09 02:47:49,418 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:47:49,418 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:47:49,419 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-03-09 02:47:49,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:47:49,422 INFO L85 PathProgramCache]: Analyzing trace with hash 230267506, now seen corresponding path program 1 times [2025-03-09 02:47:49,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:47:49,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783148413] [2025-03-09 02:47:49,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:47:49,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:47:49,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-09 02:47:49,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-09 02:47:49,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:47:49,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:47:49,669 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-09 02:47:49,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:47:49,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783148413] [2025-03-09 02:47:49,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783148413] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:47:49,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543709706] [2025-03-09 02:47:49,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:47:49,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:47:49,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:47:49,672 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) [2025-03-09 02:47:49,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 02:47:49,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-09 02:47:49,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-09 02:47:49,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:47:49,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:47:49,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-09 02:47:49,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:47:49,849 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-09 02:47:49,849 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:47:49,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543709706] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:47:49,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:47:49,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-09 02:47:49,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772758899] [2025-03-09 02:47:49,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:47:49,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 02:47:49,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:47:49,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 02:47:49,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 02:47:49,873 INFO L87 Difference]: Start difference. First operand has 184 states, 143 states have (on average 1.5454545454545454) internal successors, (221), 145 states have internal predecessors, (221), 31 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:47:49,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:47:49,898 INFO L93 Difference]: Finished difference Result 351 states and 565 transitions. [2025-03-09 02:47:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 02:47:49,899 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2025-03-09 02:47:49,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:47:49,904 INFO L225 Difference]: With dead ends: 351 [2025-03-09 02:47:49,904 INFO L226 Difference]: Without dead ends: 179 [2025-03-09 02:47:49,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 02:47:49,909 INFO L435 NwaCegarLoop]: 280 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:47:49,909 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:47:49,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2025-03-09 02:47:49,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2025-03-09 02:47:49,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 139 states have (on average 1.539568345323741) internal successors, (214), 140 states have internal predecessors, (214), 31 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-03-09 02:47:49,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 276 transitions. [2025-03-09 02:47:49,962 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 276 transitions. Word has length 71 [2025-03-09 02:47:49,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:47:49,963 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 276 transitions. [2025-03-09 02:47:49,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:47:49,963 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 276 transitions. [2025-03-09 02:47:49,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-09 02:47:49,966 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:47:49,967 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:47:49,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 02:47:50,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-09 02:47:50,168 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-03-09 02:47:50,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:47:50,169 INFO L85 PathProgramCache]: Analyzing trace with hash 611977652, now seen corresponding path program 1 times [2025-03-09 02:47:50,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:47:50,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868183616] [2025-03-09 02:47:50,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:47:50,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:47:50,183 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-09 02:47:50,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-09 02:47:50,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:47:50,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:47:50,397 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 02:47:50,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:47:50,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868183616] [2025-03-09 02:47:50,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868183616] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:47:50,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738518671] [2025-03-09 02:47:50,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:47:50,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:47:50,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:47:50,402 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) [2025-03-09 02:47:50,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 02:47:50,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-09 02:47:50,546 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-09 02:47:50,547 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:47:50,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:47:50,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:47:50,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:47:50,632 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:47:50,634 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:47:50,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738518671] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:47:50,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:47:50,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-03-09 02:47:50,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425274345] [2025-03-09 02:47:50,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:47:50,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:47:50,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:47:50,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:47:50,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:47:50,637 INFO L87 Difference]: Start difference. First operand 179 states and 276 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:47:50,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:47:50,810 INFO L93 Difference]: Finished difference Result 394 states and 598 transitions. [2025-03-09 02:47:50,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:47:50,811 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 71 [2025-03-09 02:47:50,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:47:50,813 INFO L225 Difference]: With dead ends: 394 [2025-03-09 02:47:50,814 INFO L226 Difference]: Without dead ends: 232 [2025-03-09 02:47:50,815 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:47:50,816 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 405 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:47:50,816 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 714 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:47:50,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-03-09 02:47:50,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 228. [2025-03-09 02:47:50,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 181 states have (on average 1.5193370165745856) internal successors, (275), 182 states have internal predecessors, (275), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-09 02:47:50,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 345 transitions. [2025-03-09 02:47:50,843 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 345 transitions. Word has length 71 [2025-03-09 02:47:50,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:47:50,843 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 345 transitions. [2025-03-09 02:47:50,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:47:50,844 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 345 transitions. [2025-03-09 02:47:50,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-09 02:47:50,845 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:47:50,845 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:47:50,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-09 02:47:51,046 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,SelfDestructingSolverStorable1 [2025-03-09 02:47:51,046 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-03-09 02:47:51,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:47:51,047 INFO L85 PathProgramCache]: Analyzing trace with hash -822016940, now seen corresponding path program 1 times [2025-03-09 02:47:51,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:47:51,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178882710] [2025-03-09 02:47:51,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:47:51,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:47:51,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-09 02:47:51,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-09 02:47:51,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:47:51,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:47:51,172 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 02:47:51,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:47:51,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178882710] [2025-03-09 02:47:51,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178882710] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:47:51,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716709889] [2025-03-09 02:47:51,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:47:51,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:47:51,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:47:51,174 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) [2025-03-09 02:47:51,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 02:47:51,246 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-09 02:47:51,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-09 02:47:51,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:47:51,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:47:51,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 02:47:51,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:47:51,375 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:47:51,375 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:47:51,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716709889] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:47:51,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:47:51,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-03-09 02:47:51,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585510423] [2025-03-09 02:47:51,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:47:51,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 02:47:51,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:47:51,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 02:47:51,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-09 02:47:51,376 INFO L87 Difference]: Start difference. First operand 228 states and 345 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:47:51,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:47:51,500 INFO L93 Difference]: Finished difference Result 395 states and 598 transitions. [2025-03-09 02:47:51,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 02:47:51,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 72 [2025-03-09 02:47:51,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:47:51,502 INFO L225 Difference]: With dead ends: 395 [2025-03-09 02:47:51,502 INFO L226 Difference]: Without dead ends: 233 [2025-03-09 02:47:51,502 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-03-09 02:47:51,503 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 405 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:47:51,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 714 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:47:51,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2025-03-09 02:47:51,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 230. [2025-03-09 02:47:51,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 183 states have (on average 1.5136612021857923) internal successors, (277), 184 states have internal predecessors, (277), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-09 02:47:51,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 347 transitions. [2025-03-09 02:47:51,515 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 347 transitions. Word has length 72 [2025-03-09 02:47:51,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:47:51,515 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 347 transitions. [2025-03-09 02:47:51,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-09 02:47:51,515 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 347 transitions. [2025-03-09 02:47:51,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-09 02:47:51,517 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:47:51,517 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:47:51,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-09 02:47:51,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:47:51,720 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-03-09 02:47:51,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:47:51,720 INFO L85 PathProgramCache]: Analyzing trace with hash 517327757, now seen corresponding path program 1 times [2025-03-09 02:47:51,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:47:51,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182341079] [2025-03-09 02:47:51,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:47:51,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:47:51,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-09 02:47:51,744 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-09 02:47:51,745 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:47:51,745 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:47:51,827 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 02:47:51,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:47:51,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182341079] [2025-03-09 02:47:51,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182341079] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:47:51,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27095649] [2025-03-09 02:47:51,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:47:51,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:47:51,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:47:51,829 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:47:51,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 02:47:51,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-09 02:47:51,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-09 02:47:51,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:47:51,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:47:51,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:47:51,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:47:51,982 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:47:51,982 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:47:51,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27095649] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:47:51,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:47:51,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-09 02:47:51,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041633828] [2025-03-09 02:47:51,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:47:51,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:47:51,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:47:51,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:47:51,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:47:51,983 INFO L87 Difference]: Start difference. First operand 230 states and 347 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:47:52,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:47:52,004 INFO L93 Difference]: Finished difference Result 230 states and 347 transitions. [2025-03-09 02:47:52,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:47:52,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 74 [2025-03-09 02:47:52,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:47:52,009 INFO L225 Difference]: With dead ends: 230 [2025-03-09 02:47:52,010 INFO L226 Difference]: Without dead ends: 229 [2025-03-09 02:47:52,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:47:52,011 INFO L435 NwaCegarLoop]: 270 mSDtfsCounter, 108 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:47:52,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 647 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:47:52,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2025-03-09 02:47:52,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2025-03-09 02:47:52,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 183 states have (on average 1.5081967213114753) internal successors, (276), 183 states have internal predecessors, (276), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-09 02:47:52,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 346 transitions. [2025-03-09 02:47:52,050 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 346 transitions. Word has length 74 [2025-03-09 02:47:52,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:47:52,050 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 346 transitions. [2025-03-09 02:47:52,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:47:52,051 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 346 transitions. [2025-03-09 02:47:52,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-09 02:47:52,052 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:47:52,052 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:47:52,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-09 02:47:52,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:47:52,252 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-03-09 02:47:52,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:47:52,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1142708703, now seen corresponding path program 1 times [2025-03-09 02:47:52,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:47:52,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729103140] [2025-03-09 02:47:52,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:47:52,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:47:52,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-09 02:47:52,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-09 02:47:52,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:47:52,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:47:52,375 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-09 02:47:52,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:47:52,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729103140] [2025-03-09 02:47:52,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729103140] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:47:52,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143934303] [2025-03-09 02:47:52,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:47:52,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:47:52,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:47:52,377 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:47:52,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-09 02:47:52,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-09 02:47:52,500 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-09 02:47:52,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:47:52,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:47:52,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 02:47:52,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:47:52,574 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 02:47:52,575 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:47:52,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143934303] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:47:52,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 02:47:52,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-09 02:47:52,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539082160] [2025-03-09 02:47:52,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:47:52,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 02:47:52,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:47:52,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 02:47:52,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:47:52,577 INFO L87 Difference]: Start difference. First operand 229 states and 346 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:47:52,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:47:52,621 INFO L93 Difference]: Finished difference Result 310 states and 478 transitions. [2025-03-09 02:47:52,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 02:47:52,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 75 [2025-03-09 02:47:52,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:47:52,624 INFO L225 Difference]: With dead ends: 310 [2025-03-09 02:47:52,624 INFO L226 Difference]: Without dead ends: 309 [2025-03-09 02:47:52,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:47:52,627 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 101 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 02:47:52,628 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 808 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 02:47:52,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2025-03-09 02:47:52,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2025-03-09 02:47:52,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 240 states have (on average 1.5041666666666667) internal successors, (361), 240 states have internal predecessors, (361), 58 states have call successors, (58), 10 states have call predecessors, (58), 10 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-03-09 02:47:52,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 477 transitions. [2025-03-09 02:47:52,647 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 477 transitions. Word has length 75 [2025-03-09 02:47:52,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:47:52,648 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 477 transitions. [2025-03-09 02:47:52,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-09 02:47:52,648 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 477 transitions. [2025-03-09 02:47:52,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-03-09 02:47:52,651 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:47:52,652 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:47:52,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-09 02:47:52,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:47:52,852 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-03-09 02:47:52,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:47:52,853 INFO L85 PathProgramCache]: Analyzing trace with hash 838276986, now seen corresponding path program 1 times [2025-03-09 02:47:52,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:47:52,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742995365] [2025-03-09 02:47:52,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:47:52,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:47:52,869 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-09 02:47:52,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-09 02:47:52,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:47:52,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:47:53,020 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-03-09 02:47:53,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:47:53,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742995365] [2025-03-09 02:47:53,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742995365] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:47:53,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547985518] [2025-03-09 02:47:53,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:47:53,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:47:53,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:47:53,022 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:47:53,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-09 02:47:53,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-09 02:47:53,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-09 02:47:53,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:47:53,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:47:53,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 02:47:53,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:47:53,292 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-03-09 02:47:53,292 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:47:53,449 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-03-09 02:47:53,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547985518] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:47:53,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:47:53,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2025-03-09 02:47:53,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565508865] [2025-03-09 02:47:53,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:47:53,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 02:47:53,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:47:53,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 02:47:53,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:47:53,452 INFO L87 Difference]: Start difference. First operand 309 states and 477 transitions. Second operand has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) [2025-03-09 02:47:53,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:47:53,673 INFO L93 Difference]: Finished difference Result 719 states and 1119 transitions. [2025-03-09 02:47:53,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 02:47:53,674 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) Word has length 137 [2025-03-09 02:47:53,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:47:53,675 INFO L225 Difference]: With dead ends: 719 [2025-03-09 02:47:53,675 INFO L226 Difference]: Without dead ends: 0 [2025-03-09 02:47:53,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2025-03-09 02:47:53,678 INFO L435 NwaCegarLoop]: 266 mSDtfsCounter, 552 mSDsluCounter, 1918 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 2184 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:47:53,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [616 Valid, 2184 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:47:53,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-09 02:47:53,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-09 02:47:53,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2025-03-09 02:47:53,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-09 02:47:53,680 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 137 [2025-03-09 02:47:53,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:47:53,681 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 02:47:53,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) [2025-03-09 02:47:53,681 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-09 02:47:53,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-09 02:47:53,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-03-09 02:47:53,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-03-09 02:47:53,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-09 02:47:53,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:47:53,886 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-09 02:47:53,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-09 02:47:54,375 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 02:47:54,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 02:47:54 BoogieIcfgContainer [2025-03-09 02:47:54,389 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 02:47:54,390 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 02:47:54,390 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 02:47:54,390 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 02:47:54,391 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:47:49" (3/4) ... [2025-03-09 02:47:54,392 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-09 02:47:54,396 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure read_manual_selection_history [2025-03-09 02:47:54,397 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure flip_the_side [2025-03-09 02:47:54,397 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure read_side2_failed_history [2025-03-09 02:47:54,397 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assert [2025-03-09 02:47:54,397 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure read_side1_failed_history [2025-03-09 02:47:54,397 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-03-09 02:47:54,397 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure read_active_side_history [2025-03-09 02:47:54,409 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2025-03-09 02:47:54,410 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-09 02:47:54,411 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-09 02:47:54,411 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-09 02:47:54,529 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 02:47:54,530 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-09 02:47:54,530 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 02:47:54,532 INFO L158 Benchmark]: Toolchain (without parser) took 6236.74ms. Allocated memory was 167.8MB in the beginning and 469.8MB in the end (delta: 302.0MB). Free memory was 124.3MB in the beginning and 427.1MB in the end (delta: -302.7MB). Peak memory consumption was 265.1MB. Max. memory is 16.1GB. [2025-03-09 02:47:54,532 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:47:54,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.32ms. Allocated memory is still 167.8MB. Free memory was 124.3MB in the beginning and 106.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 02:47:54,532 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.47ms. Allocated memory is still 167.8MB. Free memory was 106.4MB in the beginning and 102.7MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:47:54,533 INFO L158 Benchmark]: Boogie Preprocessor took 64.92ms. Allocated memory is still 167.8MB. Free memory was 102.7MB in the beginning and 99.4MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:47:54,533 INFO L158 Benchmark]: IcfgBuilder took 632.07ms. Allocated memory is still 167.8MB. Free memory was 99.4MB in the beginning and 57.4MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-09 02:47:54,533 INFO L158 Benchmark]: TraceAbstraction took 5044.07ms. Allocated memory was 167.8MB in the beginning and 469.8MB in the end (delta: 302.0MB). Free memory was 56.8MB in the beginning and 173.5MB in the end (delta: -116.7MB). Peak memory consumption was 181.1MB. Max. memory is 16.1GB. [2025-03-09 02:47:54,534 INFO L158 Benchmark]: Witness Printer took 140.07ms. Allocated memory is still 469.8MB. Free memory was 173.5MB in the beginning and 427.1MB in the end (delta: -253.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2025-03-09 02:47:54,535 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.32ms. Allocated memory is still 167.8MB. Free memory was 124.3MB in the beginning and 106.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.47ms. Allocated memory is still 167.8MB. Free memory was 106.4MB in the beginning and 102.7MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.92ms. Allocated memory is still 167.8MB. Free memory was 102.7MB in the beginning and 99.4MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 632.07ms. Allocated memory is still 167.8MB. Free memory was 99.4MB in the beginning and 57.4MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5044.07ms. Allocated memory was 167.8MB in the beginning and 469.8MB in the end (delta: 302.0MB). Free memory was 56.8MB in the beginning and 173.5MB in the end (delta: -116.7MB). Peak memory consumption was 181.1MB. Max. memory is 16.1GB. * Witness Printer took 140.07ms. Allocated memory is still 469.8MB. Free memory was 173.5MB in the beginning and 427.1MB in the end (delta: -253.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 184 locations, 314 edges, 2 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1673 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1571 mSDsluCounter, 5347 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3776 mSDsCounter, 87 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 379 IncrementalHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 87 mSolverCounterUnsat, 1571 mSDtfsCounter, 379 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 666 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=309occurred in iteration=5, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1000 NumberOfCodeBlocks, 1000 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1124 ConstructedInterpolants, 0 QuantifiedInterpolants, 1818 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2960 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 250/338 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 582]: Location Invariant Derived location invariant: (((0 <= i2) && (i2 <= 2147483646)) && (((short) nomsg + 1) <= 0)) RESULT: Ultimate proved your program to be correct! [2025-03-09 02:47:54,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE