./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/safe018_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe018_rmo.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f413b41672ef8cb3f594e0d22a82a07ab4d735f8bfa69fff7e94198d51bd0eb --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:41:42,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:41:42,226 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:41:42,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:41:42,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:41:42,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:41:42,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:41:42,260 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:41:42,261 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:41:42,262 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:41:42,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:41:42,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:41:42,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:41:42,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:41:42,265 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:41:42,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:41:42,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:41:42,268 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:41:42,268 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:41:42,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:41:42,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:41:42,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:41:42,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:41:42,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:41:42,270 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:41:42,270 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:41:42,271 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:41:42,271 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:41:42,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:41:42,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:41:42,272 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:41:42,272 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:41:42,272 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:41:42,272 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:41:42,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:41:42,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:41:42,273 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:41:42,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:41:42,274 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:41:42,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:41:42,274 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:41:42,275 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:41:42,275 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:41:42,275 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:41:42,275 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f413b41672ef8cb3f594e0d22a82a07ab4d735f8bfa69fff7e94198d51bd0eb [2024-11-17 07:41:42,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:41:42,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:41:42,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:41:42,567 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:41:42,568 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:41:42,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe018_rmo.oepc.i [2024-11-17 07:41:44,174 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:41:44,425 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:41:44,427 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe018_rmo.oepc.i [2024-11-17 07:41:44,447 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/777b28f79/54c5cf8196964b119660bcd1e24d0413/FLAGd547e14c5 [2024-11-17 07:41:44,735 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/777b28f79/54c5cf8196964b119660bcd1e24d0413 [2024-11-17 07:41:44,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:41:44,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:41:44,739 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:41:44,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:41:44,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:41:44,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:41:44" (1/1) ... [2024-11-17 07:41:44,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94cca4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:44, skipping insertion in model container [2024-11-17 07:41:44,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:41:44" (1/1) ... [2024-11-17 07:41:44,784 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:41:45,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:41:45,271 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:41:45,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:41:45,382 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:41:45,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:45 WrapperNode [2024-11-17 07:41:45,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:41:45,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:41:45,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:41:45,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:41:45,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:45" (1/1) ... [2024-11-17 07:41:45,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:45" (1/1) ... [2024-11-17 07:41:45,447 INFO L138 Inliner]: procedures = 175, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 127 [2024-11-17 07:41:45,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:41:45,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:41:45,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:41:45,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:41:45,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:45" (1/1) ... [2024-11-17 07:41:45,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:45" (1/1) ... [2024-11-17 07:41:45,466 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:45" (1/1) ... [2024-11-17 07:41:45,495 INFO L175 MemorySlicer]: Split 15 memory accesses to 2 slices as follows [2, 13]. 87 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 5 writes are split as follows [0, 5]. [2024-11-17 07:41:45,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:45" (1/1) ... [2024-11-17 07:41:45,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:45" (1/1) ... [2024-11-17 07:41:45,504 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:45" (1/1) ... [2024-11-17 07:41:45,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:45" (1/1) ... [2024-11-17 07:41:45,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:45" (1/1) ... [2024-11-17 07:41:45,512 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:45" (1/1) ... [2024-11-17 07:41:45,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:41:45,517 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:41:45,517 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:41:45,517 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:41:45,520 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:45" (1/1) ... [2024-11-17 07:41:45,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:41:45,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:41:45,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 07:41:45,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 07:41:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 07:41:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 07:41:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 07:41:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 07:41:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-17 07:41:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:41:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-17 07:41:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-17 07:41:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-17 07:41:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-17 07:41:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-17 07:41:45,617 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-17 07:41:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:41:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 07:41:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-17 07:41:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:41:45,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:41:45,619 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-17 07:41:45,786 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:41:45,788 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:41:46,135 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-17 07:41:46,136 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:41:46,489 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:41:46,489 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 07:41:46,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:41:46 BoogieIcfgContainer [2024-11-17 07:41:46,490 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:41:46,494 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:41:46,494 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:41:46,499 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:41:46,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:41:44" (1/3) ... [2024-11-17 07:41:46,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ceaa76f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:41:46, skipping insertion in model container [2024-11-17 07:41:46,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:45" (2/3) ... [2024-11-17 07:41:46,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ceaa76f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:41:46, skipping insertion in model container [2024-11-17 07:41:46,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:41:46" (3/3) ... [2024-11-17 07:41:46,504 INFO L112 eAbstractionObserver]: Analyzing ICFG safe018_rmo.oepc.i [2024-11-17 07:41:46,522 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:41:46,522 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-17 07:41:46,523 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-17 07:41:46,585 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-17 07:41:46,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 38 transitions, 88 flow [2024-11-17 07:41:46,655 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2024-11-17 07:41:46,656 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 07:41:46,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 35 events. 0/35 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 81 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-17 07:41:46,660 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 38 transitions, 88 flow [2024-11-17 07:41:46,664 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 35 transitions, 79 flow [2024-11-17 07:41:46,676 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:41:46,683 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;@49214d41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:41:46,685 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-17 07:41:46,693 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-17 07:41:46,693 INFO L124 PetriNetUnfolderBase]: 0/12 cut-off events. [2024-11-17 07:41:46,693 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 07:41:46,693 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:41:46,694 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:41:46,694 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:41:46,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:41:46,701 INFO L85 PathProgramCache]: Analyzing trace with hash -510210084, now seen corresponding path program 1 times [2024-11-17 07:41:46,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:41:46,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615820761] [2024-11-17 07:41:46,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:41:46,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:41:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:41:47,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:41:47,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:41:47,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615820761] [2024-11-17 07:41:47,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615820761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:41:47,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:41:47,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 07:41:47,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454576433] [2024-11-17 07:41:47,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:41:47,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:41:47,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:41:47,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:41:47,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:41:47,124 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-17 07:41:47,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:41:47,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:41:47,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-17 07:41:47,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:41:48,323 INFO L124 PetriNetUnfolderBase]: 5221/7531 cut-off events. [2024-11-17 07:41:48,324 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-11-17 07:41:48,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15148 conditions, 7531 events. 5221/7531 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 322. Compared 40370 event pairs, 1783 based on Foata normal form. 0/6389 useless extension candidates. Maximal degree in co-relation 15137. Up to 6433 conditions per place. [2024-11-17 07:41:48,391 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 49 selfloop transitions, 4 changer transitions 0/56 dead transitions. [2024-11-17 07:41:48,392 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 56 transitions, 233 flow [2024-11-17 07:41:48,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:41:48,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 07:41:48,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2024-11-17 07:41:48,404 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6754385964912281 [2024-11-17 07:41:48,405 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 79 flow. Second operand 3 states and 77 transitions. [2024-11-17 07:41:48,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 56 transitions, 233 flow [2024-11-17 07:41:48,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 56 transitions, 228 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-17 07:41:48,412 INFO L231 Difference]: Finished difference. Result has 45 places, 38 transitions, 112 flow [2024-11-17 07:41:48,414 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=45, PETRI_TRANSITIONS=38} [2024-11-17 07:41:48,417 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 0 predicate places. [2024-11-17 07:41:48,417 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 38 transitions, 112 flow [2024-11-17 07:41:48,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:41:48,417 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:41:48,418 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:41:48,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:41:48,418 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:41:48,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:41:48,419 INFO L85 PathProgramCache]: Analyzing trace with hash 691268771, now seen corresponding path program 1 times [2024-11-17 07:41:48,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:41:48,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410332667] [2024-11-17 07:41:48,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:41:48,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:41:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:41:48,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:41:48,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:41:48,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410332667] [2024-11-17 07:41:48,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410332667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:41:48,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:41:48,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:41:48,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384165037] [2024-11-17 07:41:48,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:41:48,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:41:48,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:41:48,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:41:48,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:41:48,576 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-17 07:41:48,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:41:48,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:41:48,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-17 07:41:48,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:41:49,437 INFO L124 PetriNetUnfolderBase]: 4258/6210 cut-off events. [2024-11-17 07:41:49,437 INFO L125 PetriNetUnfolderBase]: For 422/422 co-relation queries the response was YES. [2024-11-17 07:41:49,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14142 conditions, 6210 events. 4258/6210 cut-off events. For 422/422 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 32929 event pairs, 1054 based on Foata normal form. 0/5636 useless extension candidates. Maximal degree in co-relation 14131. Up to 3287 conditions per place. [2024-11-17 07:41:49,475 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 65 selfloop transitions, 10 changer transitions 3/81 dead transitions. [2024-11-17 07:41:49,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 81 transitions, 372 flow [2024-11-17 07:41:49,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:41:49,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 07:41:49,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 105 transitions. [2024-11-17 07:41:49,480 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6907894736842105 [2024-11-17 07:41:49,480 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 112 flow. Second operand 4 states and 105 transitions. [2024-11-17 07:41:49,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 81 transitions, 372 flow [2024-11-17 07:41:49,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 81 transitions, 368 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-17 07:41:49,492 INFO L231 Difference]: Finished difference. Result has 49 places, 41 transitions, 168 flow [2024-11-17 07:41:49,492 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=168, PETRI_PLACES=49, PETRI_TRANSITIONS=41} [2024-11-17 07:41:49,493 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 4 predicate places. [2024-11-17 07:41:49,493 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 41 transitions, 168 flow [2024-11-17 07:41:49,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:41:49,493 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:41:49,493 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:41:49,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 07:41:49,494 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:41:49,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:41:49,495 INFO L85 PathProgramCache]: Analyzing trace with hash 691268770, now seen corresponding path program 1 times [2024-11-17 07:41:49,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:41:49,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387704709] [2024-11-17 07:41:49,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:41:49,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:41:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:41:49,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:41:49,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:41:49,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387704709] [2024-11-17 07:41:49,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387704709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:41:49,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:41:49,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:41:49,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815014651] [2024-11-17 07:41:49,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:41:49,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:41:49,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:41:49,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:41:49,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:41:49,607 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-17 07:41:49,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 168 flow. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:41:49,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:41:49,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-17 07:41:49,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:41:50,288 INFO L124 PetriNetUnfolderBase]: 3033/4403 cut-off events. [2024-11-17 07:41:50,289 INFO L125 PetriNetUnfolderBase]: For 3670/3670 co-relation queries the response was YES. [2024-11-17 07:41:50,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10587 conditions, 4403 events. 3033/4403 cut-off events. For 3670/3670 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 22521 event pairs, 963 based on Foata normal form. 400/4797 useless extension candidates. Maximal degree in co-relation 10573. Up to 3304 conditions per place. [2024-11-17 07:41:50,327 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 46 selfloop transitions, 4 changer transitions 0/53 dead transitions. [2024-11-17 07:41:50,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 53 transitions, 266 flow [2024-11-17 07:41:50,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:41:50,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 07:41:50,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 77 transitions. [2024-11-17 07:41:50,329 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.506578947368421 [2024-11-17 07:41:50,330 INFO L175 Difference]: Start difference. First operand has 49 places, 41 transitions, 168 flow. Second operand 4 states and 77 transitions. [2024-11-17 07:41:50,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 53 transitions, 266 flow [2024-11-17 07:41:50,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 53 transitions, 248 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-11-17 07:41:50,369 INFO L231 Difference]: Finished difference. Result has 46 places, 35 transitions, 116 flow [2024-11-17 07:41:50,369 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=116, PETRI_PLACES=46, PETRI_TRANSITIONS=35} [2024-11-17 07:41:50,370 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 1 predicate places. [2024-11-17 07:41:50,370 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 35 transitions, 116 flow [2024-11-17 07:41:50,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:41:50,371 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:41:50,371 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:41:50,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 07:41:50,372 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:41:50,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:41:50,372 INFO L85 PathProgramCache]: Analyzing trace with hash 835303756, now seen corresponding path program 1 times [2024-11-17 07:41:50,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:41:50,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209257521] [2024-11-17 07:41:50,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:41:50,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:41:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:41:50,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:41:50,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:41:50,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209257521] [2024-11-17 07:41:50,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209257521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:41:50,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:41:50,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:41:50,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756737196] [2024-11-17 07:41:50,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:41:50,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:41:50,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:41:50,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:41:50,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:41:50,547 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-17 07:41:50,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 35 transitions, 116 flow. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:41:50,548 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:41:50,548 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-17 07:41:50,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:41:51,213 INFO L124 PetriNetUnfolderBase]: 2877/4163 cut-off events. [2024-11-17 07:41:51,214 INFO L125 PetriNetUnfolderBase]: For 1880/1880 co-relation queries the response was YES. [2024-11-17 07:41:51,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9602 conditions, 4163 events. 2877/4163 cut-off events. For 1880/1880 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 21158 event pairs, 721 based on Foata normal form. 84/4241 useless extension candidates. Maximal degree in co-relation 9589. Up to 1936 conditions per place. [2024-11-17 07:41:51,225 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 0 selfloop transitions, 0 changer transitions 69/69 dead transitions. [2024-11-17 07:41:51,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 69 transitions, 310 flow [2024-11-17 07:41:51,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:41:51,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-17 07:41:51,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 99 transitions. [2024-11-17 07:41:51,229 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5210526315789473 [2024-11-17 07:41:51,229 INFO L175 Difference]: Start difference. First operand has 46 places, 35 transitions, 116 flow. Second operand 5 states and 99 transitions. [2024-11-17 07:41:51,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 69 transitions, 310 flow [2024-11-17 07:41:51,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 69 transitions, 295 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-17 07:41:51,232 INFO L231 Difference]: Finished difference. Result has 43 places, 0 transitions, 0 flow [2024-11-17 07:41:51,232 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=43, PETRI_TRANSITIONS=0} [2024-11-17 07:41:51,233 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, -2 predicate places. [2024-11-17 07:41:51,233 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 0 transitions, 0 flow [2024-11-17 07:41:51,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:41:51,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-17 07:41:51,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-17 07:41:51,237 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-17 07:41:51,237 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-17 07:41:51,237 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-17 07:41:51,237 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-17 07:41:51,237 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-17 07:41:51,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-17 07:41:51,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-17 07:41:51,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-17 07:41:51,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-17 07:41:51,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-17 07:41:51,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-17 07:41:51,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-17 07:41:51,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-17 07:41:51,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:41:51,240 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-17 07:41:51,245 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-17 07:41:51,248 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 07:41:51,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 07:41:51 BasicIcfg [2024-11-17 07:41:51,255 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 07:41:51,256 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 07:41:51,256 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 07:41:51,256 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 07:41:51,256 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:41:46" (3/4) ... [2024-11-17 07:41:51,258 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 07:41:51,261 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-17 07:41:51,262 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-17 07:41:51,262 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-17 07:41:51,267 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2024-11-17 07:41:51,267 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-17 07:41:51,267 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-17 07:41:51,267 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-17 07:41:51,366 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 07:41:51,366 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 07:41:51,367 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 07:41:51,367 INFO L158 Benchmark]: Toolchain (without parser) took 6629.35ms. Allocated memory was 165.7MB in the beginning and 595.6MB in the end (delta: 429.9MB). Free memory was 97.6MB in the beginning and 390.1MB in the end (delta: -292.4MB). Peak memory consumption was 137.8MB. Max. memory is 16.1GB. [2024-11-17 07:41:51,368 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 104.9MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:41:51,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 644.39ms. Allocated memory is still 165.7MB. Free memory was 97.5MB in the beginning and 120.2MB in the end (delta: -22.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-17 07:41:51,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.78ms. Allocated memory is still 165.7MB. Free memory was 120.2MB in the beginning and 117.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 07:41:51,369 INFO L158 Benchmark]: Boogie Preprocessor took 66.79ms. Allocated memory is still 165.7MB. Free memory was 117.4MB in the beginning and 113.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 07:41:51,369 INFO L158 Benchmark]: IcfgBuilder took 973.09ms. Allocated memory is still 165.7MB. Free memory was 113.9MB in the beginning and 128.4MB in the end (delta: -14.5MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2024-11-17 07:41:51,369 INFO L158 Benchmark]: TraceAbstraction took 4760.75ms. Allocated memory was 165.7MB in the beginning and 595.6MB in the end (delta: 429.9MB). Free memory was 127.5MB in the beginning and 394.3MB in the end (delta: -266.8MB). Peak memory consumption was 344.4MB. Max. memory is 16.1GB. [2024-11-17 07:41:51,370 INFO L158 Benchmark]: Witness Printer took 111.17ms. Allocated memory is still 595.6MB. Free memory was 394.3MB in the beginning and 390.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 07:41:51,371 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 104.9MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 644.39ms. Allocated memory is still 165.7MB. Free memory was 97.5MB in the beginning and 120.2MB in the end (delta: -22.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.78ms. Allocated memory is still 165.7MB. Free memory was 120.2MB in the beginning and 117.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.79ms. Allocated memory is still 165.7MB. Free memory was 117.4MB in the beginning and 113.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 973.09ms. Allocated memory is still 165.7MB. Free memory was 113.9MB in the beginning and 128.4MB in the end (delta: -14.5MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4760.75ms. Allocated memory was 165.7MB in the beginning and 595.6MB in the end (delta: 429.9MB). Free memory was 127.5MB in the beginning and 394.3MB in the end (delta: -266.8MB). Peak memory consumption was 344.4MB. Max. memory is 16.1GB. * Witness Printer took 111.17ms. Allocated memory is still 595.6MB. Free memory was 394.3MB in the beginning and 390.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 784]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 784]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 796]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 796]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 68 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 158 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 158 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 321 IncrementalHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 0 mSDtfsCounter, 321 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=2, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 147 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-17 07:41:51,395 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