./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-races/race-2_1-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-2_1-container_of.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 edceb7bcc6473f68e1454dc7ab02ec33e8dca99fdd725419b9e71852c466530e --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 19:32:45,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 19:32:45,827 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 19:32:45,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 19:32:45,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 19:32:45,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 19:32:45,858 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 19:32:45,858 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 19:32:45,858 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 19:32:45,859 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 19:32:45,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 19:32:45,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 19:32:45,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 19:32:45,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 19:32:45,860 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 19:32:45,860 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 19:32:45,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 19:32:45,861 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 19:32:45,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 19:32:45,861 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 19:32:45,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 19:32:45,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 19:32:45,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 19:32:45,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 19:32:45,861 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 19:32:45,861 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 19:32:45,861 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 19:32:45,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 19:32:45,862 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 19:32:45,862 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 19:32:45,862 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 19:32:45,862 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 19:32:45,862 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 19:32:45,862 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 19:32:45,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:32:45,862 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 19:32:45,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 19:32:45,862 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 19:32:45,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 19:32:45,862 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 19:32:45,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 19:32:45,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 19:32:45,862 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 19:32:45,862 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 19:32:45,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 19:32:45,862 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 -> edceb7bcc6473f68e1454dc7ab02ec33e8dca99fdd725419b9e71852c466530e [2025-03-17 19:32:46,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 19:32:46,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 19:32:46,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 19:32:46,128 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 19:32:46,129 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 19:32:46,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2025-03-17 19:32:47,285 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a27ce7f3a/bb107bee159e431c924007b68783af35/FLAG6cff5d721 [2025-03-17 19:32:47,625 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 19:32:47,627 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2025-03-17 19:32:47,658 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a27ce7f3a/bb107bee159e431c924007b68783af35/FLAG6cff5d721 [2025-03-17 19:32:47,856 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a27ce7f3a/bb107bee159e431c924007b68783af35 [2025-03-17 19:32:47,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 19:32:47,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 19:32:47,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 19:32:47,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 19:32:47,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 19:32:47,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:32:47" (1/1) ... [2025-03-17 19:32:47,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d0155c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:32:47, skipping insertion in model container [2025-03-17 19:32:47,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:32:47" (1/1) ... [2025-03-17 19:32:47,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 19:32:48,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:32:48,144 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 19:32:48,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:32:48,240 INFO L204 MainTranslator]: Completed translation [2025-03-17 19:32:48,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:32:48 WrapperNode [2025-03-17 19:32:48,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 19:32:48,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 19:32:48,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 19:32:48,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 19:32:48,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:32:48" (1/1) ... [2025-03-17 19:32:48,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:32:48" (1/1) ... [2025-03-17 19:32:48,281 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 144 [2025-03-17 19:32:48,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 19:32:48,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 19:32:48,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 19:32:48,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 19:32:48,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:32:48" (1/1) ... [2025-03-17 19:32:48,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:32:48" (1/1) ... [2025-03-17 19:32:48,290 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:32:48" (1/1) ... [2025-03-17 19:32:48,299 INFO L175 MemorySlicer]: Split 17 memory accesses to 3 slices as follows [2, 13, 2]. 76 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 6, 2]. [2025-03-17 19:32:48,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:32:48" (1/1) ... [2025-03-17 19:32:48,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:32:48" (1/1) ... [2025-03-17 19:32:48,307 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:32:48" (1/1) ... [2025-03-17 19:32:48,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:32:48" (1/1) ... [2025-03-17 19:32:48,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:32:48" (1/1) ... [2025-03-17 19:32:48,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:32:48" (1/1) ... [2025-03-17 19:32:48,313 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 19:32:48,313 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 19:32:48,314 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 19:32:48,314 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 19:32:48,314 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:32:48" (1/1) ... [2025-03-17 19:32:48,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:32:48,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:32:48,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 19:32:48,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 19:32:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2025-03-17 19:32:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2025-03-17 19:32:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 19:32:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 19:32:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-17 19:32:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 19:32:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 19:32:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 19:32:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 19:32:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 19:32:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 19:32:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-17 19:32:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 19:32:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 19:32:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 19:32:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 19:32:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 19:32:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 19:32:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 19:32:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 19:32:48,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 19:32:48,367 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-17 19:32:48,548 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 19:32:48,549 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 19:32:48,778 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-17 19:32:48,778 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 19:32:48,929 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 19:32:48,929 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 19:32:48,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:32:48 BoogieIcfgContainer [2025-03-17 19:32:48,929 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 19:32:48,931 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 19:32:48,931 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 19:32:48,934 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 19:32:48,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:32:47" (1/3) ... [2025-03-17 19:32:48,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797b4638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:32:48, skipping insertion in model container [2025-03-17 19:32:48,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:32:48" (2/3) ... [2025-03-17 19:32:48,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797b4638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:32:48, skipping insertion in model container [2025-03-17 19:32:48,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:32:48" (3/3) ... [2025-03-17 19:32:48,936 INFO L128 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2025-03-17 19:32:48,947 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 19:32:48,948 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-2_1-container_of.i that has 2 procedures, 26 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-03-17 19:32:48,949 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-17 19:32:48,988 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-17 19:32:49,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 38 transitions, 90 flow [2025-03-17 19:32:49,039 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2025-03-17 19:32:49,042 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-17 19:32:49,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 41 events. 2/41 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 81 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 23. Up to 3 conditions per place. [2025-03-17 19:32:49,044 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 38 transitions, 90 flow [2025-03-17 19:32:49,047 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 32 transitions, 73 flow [2025-03-17 19:32:49,056 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 19:32:49,065 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;@73736525, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 19:32:49,066 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-17 19:32:49,073 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 19:32:49,074 INFO L124 PetriNetUnfolderBase]: 0/14 cut-off events. [2025-03-17 19:32:49,074 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 19:32:49,074 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:49,074 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:49,075 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:32:49,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:49,079 INFO L85 PathProgramCache]: Analyzing trace with hash 750333645, now seen corresponding path program 1 times [2025-03-17 19:32:49,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:49,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436868319] [2025-03-17 19:32:49,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:32:49,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:49,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-17 19:32:49,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-17 19:32:49,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:32:49,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:49,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:32:49,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:49,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436868319] [2025-03-17 19:32:49,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436868319] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:49,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:49,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 19:32:49,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168137461] [2025-03-17 19:32:49,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:49,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 19:32:49,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:49,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 19:32:49,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 19:32:49,750 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-17 19:32:49,753 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 32 transitions, 73 flow. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:49,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:49,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-17 19:32:49,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:50,192 INFO L124 PetriNetUnfolderBase]: 621/1208 cut-off events. [2025-03-17 19:32:50,193 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2025-03-17 19:32:50,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2271 conditions, 1208 events. 621/1208 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 6853 event pairs, 193 based on Foata normal form. 44/1176 useless extension candidates. Maximal degree in co-relation 2198. Up to 862 conditions per place. [2025-03-17 19:32:50,209 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 58 selfloop transitions, 18 changer transitions 3/84 dead transitions. [2025-03-17 19:32:50,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 84 transitions, 344 flow [2025-03-17 19:32:50,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 19:32:50,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-17 19:32:50,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 155 transitions. [2025-03-17 19:32:50,219 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.45321637426900585 [2025-03-17 19:32:50,220 INFO L175 Difference]: Start difference. First operand has 39 places, 32 transitions, 73 flow. Second operand 9 states and 155 transitions. [2025-03-17 19:32:50,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 84 transitions, 344 flow [2025-03-17 19:32:50,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 84 transitions, 336 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-17 19:32:50,229 INFO L231 Difference]: Finished difference. Result has 48 places, 50 transitions, 182 flow [2025-03-17 19:32:50,230 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=182, PETRI_PLACES=48, PETRI_TRANSITIONS=50} [2025-03-17 19:32:50,234 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 9 predicate places. [2025-03-17 19:32:50,234 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 50 transitions, 182 flow [2025-03-17 19:32:50,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:50,235 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:50,235 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:50,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 19:32:50,235 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:32:50,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:50,236 INFO L85 PathProgramCache]: Analyzing trace with hash -751466292, now seen corresponding path program 1 times [2025-03-17 19:32:50,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:50,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238196066] [2025-03-17 19:32:50,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:32:50,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:50,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-17 19:32:50,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-17 19:32:50,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:32:50,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:50,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:32:50,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:50,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238196066] [2025-03-17 19:32:50,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238196066] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:50,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:50,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 19:32:50,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321205731] [2025-03-17 19:32:50,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:50,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 19:32:50,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:50,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 19:32:50,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 19:32:50,616 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-17 19:32:50,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 50 transitions, 182 flow. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:50,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:50,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-17 19:32:50,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:50,982 INFO L124 PetriNetUnfolderBase]: 672/1245 cut-off events. [2025-03-17 19:32:50,982 INFO L125 PetriNetUnfolderBase]: For 467/467 co-relation queries the response was YES. [2025-03-17 19:32:50,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2979 conditions, 1245 events. 672/1245 cut-off events. For 467/467 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 6743 event pairs, 267 based on Foata normal form. 44/1255 useless extension candidates. Maximal degree in co-relation 2506. Up to 951 conditions per place. [2025-03-17 19:32:50,991 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 62 selfloop transitions, 25 changer transitions 5/97 dead transitions. [2025-03-17 19:32:50,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 97 transitions, 516 flow [2025-03-17 19:32:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 19:32:50,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-17 19:32:50,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 156 transitions. [2025-03-17 19:32:50,994 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.45614035087719296 [2025-03-17 19:32:50,994 INFO L175 Difference]: Start difference. First operand has 48 places, 50 transitions, 182 flow. Second operand 9 states and 156 transitions. [2025-03-17 19:32:50,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 97 transitions, 516 flow [2025-03-17 19:32:50,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 97 transitions, 514 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 19:32:51,000 INFO L231 Difference]: Finished difference. Result has 58 places, 64 transitions, 316 flow [2025-03-17 19:32:51,001 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=316, PETRI_PLACES=58, PETRI_TRANSITIONS=64} [2025-03-17 19:32:51,003 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 19 predicate places. [2025-03-17 19:32:51,003 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 64 transitions, 316 flow [2025-03-17 19:32:51,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:51,003 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:51,003 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:51,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 19:32:51,005 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:32:51,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:51,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1998741070, now seen corresponding path program 1 times [2025-03-17 19:32:51,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:51,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955464882] [2025-03-17 19:32:51,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:32:51,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:51,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 19:32:51,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 19:32:51,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:32:51,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:51,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:32:51,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:51,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955464882] [2025-03-17 19:32:51,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955464882] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:51,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:51,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-17 19:32:51,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443810516] [2025-03-17 19:32:51,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:51,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 19:32:51,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:51,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 19:32:51,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:32:51,458 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-17 19:32:51,459 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 64 transitions, 316 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:51,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:51,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-17 19:32:51,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:52,026 INFO L124 PetriNetUnfolderBase]: 846/1566 cut-off events. [2025-03-17 19:32:52,026 INFO L125 PetriNetUnfolderBase]: For 1324/1324 co-relation queries the response was YES. [2025-03-17 19:32:52,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4364 conditions, 1566 events. 846/1566 cut-off events. For 1324/1324 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8902 event pairs, 280 based on Foata normal form. 52/1618 useless extension candidates. Maximal degree in co-relation 3600. Up to 1146 conditions per place. [2025-03-17 19:32:52,037 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 82 selfloop transitions, 40 changer transitions 20/147 dead transitions. [2025-03-17 19:32:52,037 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 147 transitions, 962 flow [2025-03-17 19:32:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 19:32:52,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-17 19:32:52,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 198 transitions. [2025-03-17 19:32:52,040 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4342105263157895 [2025-03-17 19:32:52,040 INFO L175 Difference]: Start difference. First operand has 58 places, 64 transitions, 316 flow. Second operand 12 states and 198 transitions. [2025-03-17 19:32:52,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 147 transitions, 962 flow [2025-03-17 19:32:52,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 147 transitions, 962 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-17 19:32:52,047 INFO L231 Difference]: Finished difference. Result has 77 places, 95 transitions, 688 flow [2025-03-17 19:32:52,048 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=688, PETRI_PLACES=77, PETRI_TRANSITIONS=95} [2025-03-17 19:32:52,048 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 38 predicate places. [2025-03-17 19:32:52,048 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 95 transitions, 688 flow [2025-03-17 19:32:52,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:52,049 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:52,049 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:52,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 19:32:52,049 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:32:52,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:52,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1572868016, now seen corresponding path program 2 times [2025-03-17 19:32:52,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:52,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124366265] [2025-03-17 19:32:52,050 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:32:52,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:52,068 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 13 statements into 1 equivalence classes. [2025-03-17 19:32:52,078 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 19:32:52,080 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:32:52,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:52,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:32:52,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:52,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124366265] [2025-03-17 19:32:52,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124366265] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:52,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:52,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-17 19:32:52,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374677704] [2025-03-17 19:32:52,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:52,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 19:32:52,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:52,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 19:32:52,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:32:52,659 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-17 19:32:52,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 95 transitions, 688 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:52,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:52,659 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-17 19:32:52,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:53,179 INFO L124 PetriNetUnfolderBase]: 888/1656 cut-off events. [2025-03-17 19:32:53,180 INFO L125 PetriNetUnfolderBase]: For 4425/4425 co-relation queries the response was YES. [2025-03-17 19:32:53,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5771 conditions, 1656 events. 888/1656 cut-off events. For 4425/4425 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 9479 event pairs, 227 based on Foata normal form. 52/1708 useless extension candidates. Maximal degree in co-relation 5343. Up to 1077 conditions per place. [2025-03-17 19:32:53,191 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 88 selfloop transitions, 64 changer transitions 16/173 dead transitions. [2025-03-17 19:32:53,192 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 173 transitions, 1445 flow [2025-03-17 19:32:53,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 19:32:53,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-17 19:32:53,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 236 transitions. [2025-03-17 19:32:53,193 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.41403508771929826 [2025-03-17 19:32:53,193 INFO L175 Difference]: Start difference. First operand has 77 places, 95 transitions, 688 flow. Second operand 15 states and 236 transitions. [2025-03-17 19:32:53,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 173 transitions, 1445 flow [2025-03-17 19:32:53,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 173 transitions, 1397 flow, removed 16 selfloop flow, removed 3 redundant places. [2025-03-17 19:32:53,210 INFO L231 Difference]: Finished difference. Result has 97 places, 121 transitions, 1116 flow [2025-03-17 19:32:53,210 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1116, PETRI_PLACES=97, PETRI_TRANSITIONS=121} [2025-03-17 19:32:53,210 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 58 predicate places. [2025-03-17 19:32:53,210 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 121 transitions, 1116 flow [2025-03-17 19:32:53,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:53,211 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:53,211 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:53,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 19:32:53,211 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:32:53,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:53,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1998732709, now seen corresponding path program 1 times [2025-03-17 19:32:53,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:53,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334016886] [2025-03-17 19:32:53,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:32:53,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:53,224 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 19:32:53,229 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 19:32:53,229 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:32:53,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:53,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:32:53,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:53,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334016886] [2025-03-17 19:32:53,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334016886] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:53,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:53,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-17 19:32:53,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429960222] [2025-03-17 19:32:53,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:53,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 19:32:53,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:53,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 19:32:53,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:32:53,510 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-17 19:32:53,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 121 transitions, 1116 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:53,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:53,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-17 19:32:53,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:54,147 INFO L124 PetriNetUnfolderBase]: 1025/1892 cut-off events. [2025-03-17 19:32:54,149 INFO L125 PetriNetUnfolderBase]: For 9167/9210 co-relation queries the response was YES. [2025-03-17 19:32:54,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7997 conditions, 1892 events. 1025/1892 cut-off events. For 9167/9210 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 11209 event pairs, 309 based on Foata normal form. 48/1936 useless extension candidates. Maximal degree in co-relation 7154. Up to 1304 conditions per place. [2025-03-17 19:32:54,163 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 112 selfloop transitions, 61 changer transitions 12/190 dead transitions. [2025-03-17 19:32:54,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 190 transitions, 1888 flow [2025-03-17 19:32:54,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-17 19:32:54,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-17 19:32:54,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 261 transitions. [2025-03-17 19:32:54,166 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4040247678018576 [2025-03-17 19:32:54,166 INFO L175 Difference]: Start difference. First operand has 97 places, 121 transitions, 1116 flow. Second operand 17 states and 261 transitions. [2025-03-17 19:32:54,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 190 transitions, 1888 flow [2025-03-17 19:32:54,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 190 transitions, 1761 flow, removed 27 selfloop flow, removed 6 redundant places. [2025-03-17 19:32:54,196 INFO L231 Difference]: Finished difference. Result has 114 places, 135 transitions, 1372 flow [2025-03-17 19:32:54,196 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1022, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1372, PETRI_PLACES=114, PETRI_TRANSITIONS=135} [2025-03-17 19:32:54,198 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 75 predicate places. [2025-03-17 19:32:54,198 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 135 transitions, 1372 flow [2025-03-17 19:32:54,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:54,198 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:54,198 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:54,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 19:32:54,199 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:32:54,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:54,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1219549104, now seen corresponding path program 3 times [2025-03-17 19:32:54,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:54,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791328610] [2025-03-17 19:32:54,200 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 19:32:54,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:54,224 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 13 statements into 1 equivalence classes. [2025-03-17 19:32:54,230 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 19:32:54,231 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-17 19:32:54,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:32:54,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:54,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791328610] [2025-03-17 19:32:54,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791328610] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:54,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:54,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-17 19:32:54,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198432091] [2025-03-17 19:32:54,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:54,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 19:32:54,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:54,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 19:32:54,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:32:54,550 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-17 19:32:54,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 135 transitions, 1372 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:54,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:54,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-17 19:32:54,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:55,205 INFO L124 PetriNetUnfolderBase]: 948/1767 cut-off events. [2025-03-17 19:32:55,206 INFO L125 PetriNetUnfolderBase]: For 10387/10401 co-relation queries the response was YES. [2025-03-17 19:32:55,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7610 conditions, 1767 events. 948/1767 cut-off events. For 10387/10401 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 10252 event pairs, 233 based on Foata normal form. 60/1827 useless extension candidates. Maximal degree in co-relation 6715. Up to 1092 conditions per place. [2025-03-17 19:32:55,216 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 99 selfloop transitions, 91 changer transitions 22/217 dead transitions. [2025-03-17 19:32:55,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 217 transitions, 2297 flow [2025-03-17 19:32:55,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-17 19:32:55,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-17 19:32:55,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 282 transitions. [2025-03-17 19:32:55,218 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.41228070175438597 [2025-03-17 19:32:55,218 INFO L175 Difference]: Start difference. First operand has 114 places, 135 transitions, 1372 flow. Second operand 18 states and 282 transitions. [2025-03-17 19:32:55,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 217 transitions, 2297 flow [2025-03-17 19:32:55,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 217 transitions, 2184 flow, removed 23 selfloop flow, removed 8 redundant places. [2025-03-17 19:32:55,243 INFO L231 Difference]: Finished difference. Result has 127 places, 151 transitions, 1665 flow [2025-03-17 19:32:55,243 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1271, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1665, PETRI_PLACES=127, PETRI_TRANSITIONS=151} [2025-03-17 19:32:55,244 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 88 predicate places. [2025-03-17 19:32:55,244 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 151 transitions, 1665 flow [2025-03-17 19:32:55,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:55,245 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:55,245 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:55,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 19:32:55,245 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:32:55,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:55,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1219540743, now seen corresponding path program 2 times [2025-03-17 19:32:55,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:55,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209534860] [2025-03-17 19:32:55,246 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:32:55,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:55,258 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 13 statements into 1 equivalence classes. [2025-03-17 19:32:55,265 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 19:32:55,265 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:32:55,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:55,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:32:55,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:55,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209534860] [2025-03-17 19:32:55,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209534860] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:55,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:55,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-17 19:32:55,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636349515] [2025-03-17 19:32:55,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:55,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 19:32:55,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:55,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 19:32:55,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:32:55,558 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-17 19:32:55,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 151 transitions, 1665 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:55,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:55,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-17 19:32:55,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:56,226 INFO L124 PetriNetUnfolderBase]: 912/1691 cut-off events. [2025-03-17 19:32:56,226 INFO L125 PetriNetUnfolderBase]: For 12618/12685 co-relation queries the response was YES. [2025-03-17 19:32:56,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7870 conditions, 1691 events. 912/1691 cut-off events. For 12618/12685 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 9638 event pairs, 217 based on Foata normal form. 48/1739 useless extension candidates. Maximal degree in co-relation 7158. Up to 1086 conditions per place. [2025-03-17 19:32:56,236 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 100 selfloop transitions, 81 changer transitions 15/201 dead transitions. [2025-03-17 19:32:56,237 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 201 transitions, 2227 flow [2025-03-17 19:32:56,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-17 19:32:56,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-17 19:32:56,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 276 transitions. [2025-03-17 19:32:56,238 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.40350877192982454 [2025-03-17 19:32:56,238 INFO L175 Difference]: Start difference. First operand has 127 places, 151 transitions, 1665 flow. Second operand 18 states and 276 transitions. [2025-03-17 19:32:56,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 201 transitions, 2227 flow [2025-03-17 19:32:56,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 201 transitions, 2036 flow, removed 38 selfloop flow, removed 9 redundant places. [2025-03-17 19:32:56,267 INFO L231 Difference]: Finished difference. Result has 137 places, 145 transitions, 1613 flow [2025-03-17 19:32:56,267 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1475, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1613, PETRI_PLACES=137, PETRI_TRANSITIONS=145} [2025-03-17 19:32:56,268 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 98 predicate places. [2025-03-17 19:32:56,268 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 145 transitions, 1613 flow [2025-03-17 19:32:56,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:56,268 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:56,268 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:56,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 19:32:56,268 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:32:56,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:56,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1572859655, now seen corresponding path program 3 times [2025-03-17 19:32:56,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:56,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214092956] [2025-03-17 19:32:56,269 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 19:32:56,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:56,283 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 13 statements into 1 equivalence classes. [2025-03-17 19:32:56,289 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 19:32:56,289 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-17 19:32:56,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:56,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:32:56,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:56,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214092956] [2025-03-17 19:32:56,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214092956] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:56,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:56,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-17 19:32:56,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562044862] [2025-03-17 19:32:56,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:56,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 19:32:56,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:56,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 19:32:56,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:32:56,552 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2025-03-17 19:32:56,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 145 transitions, 1613 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:56,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:56,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2025-03-17 19:32:56,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:57,246 INFO L124 PetriNetUnfolderBase]: 888/1647 cut-off events. [2025-03-17 19:32:57,247 INFO L125 PetriNetUnfolderBase]: For 13768/13843 co-relation queries the response was YES. [2025-03-17 19:32:57,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7900 conditions, 1647 events. 888/1647 cut-off events. For 13768/13843 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 9316 event pairs, 213 based on Foata normal form. 48/1691 useless extension candidates. Maximal degree in co-relation 7351. Up to 999 conditions per place. [2025-03-17 19:32:57,259 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 81 selfloop transitions, 95 changer transitions 15/196 dead transitions. [2025-03-17 19:32:57,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 196 transitions, 2181 flow [2025-03-17 19:32:57,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-17 19:32:57,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-17 19:32:57,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 291 transitions. [2025-03-17 19:32:57,261 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3828947368421053 [2025-03-17 19:32:57,261 INFO L175 Difference]: Start difference. First operand has 137 places, 145 transitions, 1613 flow. Second operand 20 states and 291 transitions. [2025-03-17 19:32:57,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 196 transitions, 2181 flow [2025-03-17 19:32:57,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 196 transitions, 1873 flow, removed 20 selfloop flow, removed 21 redundant places. [2025-03-17 19:32:57,287 INFO L231 Difference]: Finished difference. Result has 137 places, 141 transitions, 1497 flow [2025-03-17 19:32:57,287 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1312, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=1497, PETRI_PLACES=137, PETRI_TRANSITIONS=141} [2025-03-17 19:32:57,288 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 98 predicate places. [2025-03-17 19:32:57,288 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 141 transitions, 1497 flow [2025-03-17 19:32:57,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:57,288 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:57,288 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:57,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 19:32:57,288 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:32:57,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:57,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1858303345, now seen corresponding path program 1 times [2025-03-17 19:32:57,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:57,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632254056] [2025-03-17 19:32:57,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:32:57,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:57,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:32:57,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:32:57,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:32:57,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:57,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:32:57,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:57,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632254056] [2025-03-17 19:32:57,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632254056] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:57,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:57,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 19:32:57,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934210622] [2025-03-17 19:32:57,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:57,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:32:57,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:57,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:32:57,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:32:57,344 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2025-03-17 19:32:57,344 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 141 transitions, 1497 flow. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:57,344 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:57,344 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2025-03-17 19:32:57,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:57,485 INFO L124 PetriNetUnfolderBase]: 461/889 cut-off events. [2025-03-17 19:32:57,485 INFO L125 PetriNetUnfolderBase]: For 4499/4554 co-relation queries the response was YES. [2025-03-17 19:32:57,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3721 conditions, 889 events. 461/889 cut-off events. For 4499/4554 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4467 event pairs, 92 based on Foata normal form. 4/893 useless extension candidates. Maximal degree in co-relation 3690. Up to 465 conditions per place. [2025-03-17 19:32:57,489 INFO L140 encePairwiseOnDemand]: 35/38 looper letters, 131 selfloop transitions, 18 changer transitions 6/161 dead transitions. [2025-03-17 19:32:57,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 161 transitions, 1884 flow [2025-03-17 19:32:57,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:32:57,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-17 19:32:57,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2025-03-17 19:32:57,493 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5526315789473685 [2025-03-17 19:32:57,493 INFO L175 Difference]: Start difference. First operand has 137 places, 141 transitions, 1497 flow. Second operand 4 states and 84 transitions. [2025-03-17 19:32:57,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 161 transitions, 1884 flow [2025-03-17 19:32:57,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 161 transitions, 1672 flow, removed 34 selfloop flow, removed 18 redundant places. [2025-03-17 19:32:57,503 INFO L231 Difference]: Finished difference. Result has 113 places, 109 transitions, 987 flow [2025-03-17 19:32:57,504 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=975, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=987, PETRI_PLACES=113, PETRI_TRANSITIONS=109} [2025-03-17 19:32:57,504 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 74 predicate places. [2025-03-17 19:32:57,504 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 109 transitions, 987 flow [2025-03-17 19:32:57,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:57,504 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:57,504 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:57,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 19:32:57,505 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:32:57,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:57,505 INFO L85 PathProgramCache]: Analyzing trace with hash -940018635, now seen corresponding path program 1 times [2025-03-17 19:32:57,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:57,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924035117] [2025-03-17 19:32:57,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:32:57,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:57,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-17 19:32:57,525 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:32:57,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:32:57,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:57,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:32:57,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:57,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924035117] [2025-03-17 19:32:57,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924035117] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:57,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:57,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:32:57,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593679771] [2025-03-17 19:32:57,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:57,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:32:57,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:57,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:32:57,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:32:57,858 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:32:57,859 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 109 transitions, 987 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:57,859 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:57,859 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:32:57,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:58,250 INFO L124 PetriNetUnfolderBase]: 530/1027 cut-off events. [2025-03-17 19:32:58,250 INFO L125 PetriNetUnfolderBase]: For 4182/4182 co-relation queries the response was YES. [2025-03-17 19:32:58,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3966 conditions, 1027 events. 530/1027 cut-off events. For 4182/4182 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 5301 event pairs, 119 based on Foata normal form. 14/1041 useless extension candidates. Maximal degree in co-relation 3940. Up to 589 conditions per place. [2025-03-17 19:32:58,259 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 111 selfloop transitions, 44 changer transitions 0/157 dead transitions. [2025-03-17 19:32:58,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 157 transitions, 1480 flow [2025-03-17 19:32:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 19:32:58,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-17 19:32:58,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 187 transitions. [2025-03-17 19:32:58,262 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.35150375939849626 [2025-03-17 19:32:58,262 INFO L175 Difference]: Start difference. First operand has 113 places, 109 transitions, 987 flow. Second operand 14 states and 187 transitions. [2025-03-17 19:32:58,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 157 transitions, 1480 flow [2025-03-17 19:32:58,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 157 transitions, 1377 flow, removed 13 selfloop flow, removed 7 redundant places. [2025-03-17 19:32:58,272 INFO L231 Difference]: Finished difference. Result has 122 places, 114 transitions, 1072 flow [2025-03-17 19:32:58,273 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=912, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1072, PETRI_PLACES=122, PETRI_TRANSITIONS=114} [2025-03-17 19:32:58,274 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 83 predicate places. [2025-03-17 19:32:58,275 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 114 transitions, 1072 flow [2025-03-17 19:32:58,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:58,275 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:58,275 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:58,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-17 19:32:58,275 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:32:58,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:58,276 INFO L85 PathProgramCache]: Analyzing trace with hash -931430466, now seen corresponding path program 1 times [2025-03-17 19:32:58,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:58,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132420381] [2025-03-17 19:32:58,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:32:58,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:58,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-17 19:32:58,292 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:32:58,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:32:58,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:58,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:32:58,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:58,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132420381] [2025-03-17 19:32:58,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132420381] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:58,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:58,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:32:58,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756180752] [2025-03-17 19:32:58,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:58,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:32:58,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:58,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:32:58,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:32:58,656 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:32:58,657 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 114 transitions, 1072 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:58,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:58,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:32:58,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:59,206 INFO L124 PetriNetUnfolderBase]: 646/1275 cut-off events. [2025-03-17 19:32:59,207 INFO L125 PetriNetUnfolderBase]: For 3790/3790 co-relation queries the response was YES. [2025-03-17 19:32:59,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4538 conditions, 1275 events. 646/1275 cut-off events. For 3790/3790 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 7084 event pairs, 197 based on Foata normal form. 12/1287 useless extension candidates. Maximal degree in co-relation 4515. Up to 486 conditions per place. [2025-03-17 19:32:59,213 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 114 selfloop transitions, 62 changer transitions 0/178 dead transitions. [2025-03-17 19:32:59,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 178 transitions, 1642 flow [2025-03-17 19:32:59,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-17 19:32:59,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-17 19:32:59,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 238 transitions. [2025-03-17 19:32:59,214 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3296398891966759 [2025-03-17 19:32:59,214 INFO L175 Difference]: Start difference. First operand has 122 places, 114 transitions, 1072 flow. Second operand 19 states and 238 transitions. [2025-03-17 19:32:59,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 178 transitions, 1642 flow [2025-03-17 19:32:59,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 178 transitions, 1602 flow, removed 1 selfloop flow, removed 5 redundant places. [2025-03-17 19:32:59,224 INFO L231 Difference]: Finished difference. Result has 138 places, 119 transitions, 1246 flow [2025-03-17 19:32:59,224 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1032, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1246, PETRI_PLACES=138, PETRI_TRANSITIONS=119} [2025-03-17 19:32:59,224 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 99 predicate places. [2025-03-17 19:32:59,224 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 119 transitions, 1246 flow [2025-03-17 19:32:59,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:59,225 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:59,225 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:59,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-17 19:32:59,225 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:32:59,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:59,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1416149207, now seen corresponding path program 2 times [2025-03-17 19:32:59,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:59,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296041987] [2025-03-17 19:32:59,226 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:32:59,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:59,235 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 15 statements into 1 equivalence classes. [2025-03-17 19:32:59,240 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:32:59,240 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:32:59,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:59,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:32:59,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:59,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296041987] [2025-03-17 19:32:59,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296041987] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:59,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:59,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:32:59,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935725426] [2025-03-17 19:32:59,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:59,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:32:59,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:59,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:32:59,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:32:59,569 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:32:59,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 119 transitions, 1246 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:32:59,570 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:59,570 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:32:59,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:59,991 INFO L124 PetriNetUnfolderBase]: 725/1434 cut-off events. [2025-03-17 19:32:59,992 INFO L125 PetriNetUnfolderBase]: For 5502/5502 co-relation queries the response was YES. [2025-03-17 19:32:59,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5392 conditions, 1434 events. 725/1434 cut-off events. For 5502/5502 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 8273 event pairs, 224 based on Foata normal form. 14/1446 useless extension candidates. Maximal degree in co-relation 5366. Up to 911 conditions per place. [2025-03-17 19:33:00,000 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 120 selfloop transitions, 50 changer transitions 0/172 dead transitions. [2025-03-17 19:33:00,000 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 172 transitions, 1819 flow [2025-03-17 19:33:00,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 19:33:00,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-17 19:33:00,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 185 transitions. [2025-03-17 19:33:00,002 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.34774436090225563 [2025-03-17 19:33:00,002 INFO L175 Difference]: Start difference. First operand has 138 places, 119 transitions, 1246 flow. Second operand 14 states and 185 transitions. [2025-03-17 19:33:00,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 172 transitions, 1819 flow [2025-03-17 19:33:00,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 172 transitions, 1660 flow, removed 0 selfloop flow, removed 22 redundant places. [2025-03-17 19:33:00,014 INFO L231 Difference]: Finished difference. Result has 134 places, 129 transitions, 1360 flow [2025-03-17 19:33:00,014 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1105, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1360, PETRI_PLACES=134, PETRI_TRANSITIONS=129} [2025-03-17 19:33:00,015 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 95 predicate places. [2025-03-17 19:33:00,015 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 129 transitions, 1360 flow [2025-03-17 19:33:00,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:00,015 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:00,015 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:00,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-17 19:33:00,016 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:00,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:00,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1240862807, now seen corresponding path program 3 times [2025-03-17 19:33:00,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:00,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837437809] [2025-03-17 19:33:00,016 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 19:33:00,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:00,026 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 15 statements into 1 equivalence classes. [2025-03-17 19:33:00,031 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:33:00,031 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-17 19:33:00,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:00,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:00,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:00,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837437809] [2025-03-17 19:33:00,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837437809] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:00,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:00,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:00,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924954681] [2025-03-17 19:33:00,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:00,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:00,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:00,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:00,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:00,370 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:00,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 129 transitions, 1360 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:00,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:00,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:00,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:00,798 INFO L124 PetriNetUnfolderBase]: 806/1597 cut-off events. [2025-03-17 19:33:00,799 INFO L125 PetriNetUnfolderBase]: For 6453/6453 co-relation queries the response was YES. [2025-03-17 19:33:00,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6099 conditions, 1597 events. 806/1597 cut-off events. For 6453/6453 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 9492 event pairs, 235 based on Foata normal form. 14/1609 useless extension candidates. Maximal degree in co-relation 6068. Up to 814 conditions per place. [2025-03-17 19:33:00,806 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 134 selfloop transitions, 50 changer transitions 0/186 dead transitions. [2025-03-17 19:33:00,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 186 transitions, 1916 flow [2025-03-17 19:33:00,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 19:33:00,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-17 19:33:00,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 196 transitions. [2025-03-17 19:33:00,807 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3684210526315789 [2025-03-17 19:33:00,807 INFO L175 Difference]: Start difference. First operand has 134 places, 129 transitions, 1360 flow. Second operand 14 states and 196 transitions. [2025-03-17 19:33:00,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 186 transitions, 1916 flow [2025-03-17 19:33:00,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 186 transitions, 1884 flow, removed 3 selfloop flow, removed 3 redundant places. [2025-03-17 19:33:00,823 INFO L231 Difference]: Finished difference. Result has 148 places, 132 transitions, 1501 flow [2025-03-17 19:33:00,823 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1328, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1501, PETRI_PLACES=148, PETRI_TRANSITIONS=132} [2025-03-17 19:33:00,823 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 109 predicate places. [2025-03-17 19:33:00,823 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 132 transitions, 1501 flow [2025-03-17 19:33:00,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:00,824 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:00,824 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:00,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-17 19:33:00,824 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:00,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:00,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1949775331, now seen corresponding path program 4 times [2025-03-17 19:33:00,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:00,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133189420] [2025-03-17 19:33:00,825 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-17 19:33:00,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:00,835 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 15 statements into 2 equivalence classes. [2025-03-17 19:33:00,840 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:33:00,841 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-17 19:33:00,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:01,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:01,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:01,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133189420] [2025-03-17 19:33:01,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133189420] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:01,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:01,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:01,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798334784] [2025-03-17 19:33:01,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:01,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:01,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:01,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:01,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:01,165 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:01,165 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 132 transitions, 1501 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:01,166 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:01,166 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:01,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:01,561 INFO L124 PetriNetUnfolderBase]: 868/1729 cut-off events. [2025-03-17 19:33:01,561 INFO L125 PetriNetUnfolderBase]: For 8712/8712 co-relation queries the response was YES. [2025-03-17 19:33:01,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6899 conditions, 1729 events. 868/1729 cut-off events. For 8712/8712 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 10627 event pairs, 323 based on Foata normal form. 14/1743 useless extension candidates. Maximal degree in co-relation 6864. Up to 1162 conditions per place. [2025-03-17 19:33:01,571 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 121 selfloop transitions, 49 changer transitions 0/172 dead transitions. [2025-03-17 19:33:01,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 172 transitions, 1974 flow [2025-03-17 19:33:01,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 19:33:01,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-17 19:33:01,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 168 transitions. [2025-03-17 19:33:01,572 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.340080971659919 [2025-03-17 19:33:01,572 INFO L175 Difference]: Start difference. First operand has 148 places, 132 transitions, 1501 flow. Second operand 13 states and 168 transitions. [2025-03-17 19:33:01,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 172 transitions, 1974 flow [2025-03-17 19:33:01,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 172 transitions, 1898 flow, removed 7 selfloop flow, removed 7 redundant places. [2025-03-17 19:33:01,591 INFO L231 Difference]: Finished difference. Result has 156 places, 134 transitions, 1591 flow [2025-03-17 19:33:01,592 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1425, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1591, PETRI_PLACES=156, PETRI_TRANSITIONS=134} [2025-03-17 19:33:01,592 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 117 predicate places. [2025-03-17 19:33:01,592 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 134 transitions, 1591 flow [2025-03-17 19:33:01,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:01,592 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:01,593 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:01,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-17 19:33:01,593 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:01,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:01,593 INFO L85 PathProgramCache]: Analyzing trace with hash -2125061731, now seen corresponding path program 5 times [2025-03-17 19:33:01,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:01,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991056820] [2025-03-17 19:33:01,593 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-17 19:33:01,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:01,603 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 15 statements into 1 equivalence classes. [2025-03-17 19:33:01,608 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:33:01,608 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:33:01,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:01,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:01,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:01,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991056820] [2025-03-17 19:33:01,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991056820] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:01,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:01,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:01,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161846659] [2025-03-17 19:33:01,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:01,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:01,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:01,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:01,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:01,954 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:01,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 134 transitions, 1591 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:01,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:01,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:01,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:02,342 INFO L124 PetriNetUnfolderBase]: 949/1892 cut-off events. [2025-03-17 19:33:02,342 INFO L125 PetriNetUnfolderBase]: For 10650/10650 co-relation queries the response was YES. [2025-03-17 19:33:02,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7762 conditions, 1892 events. 949/1892 cut-off events. For 10650/10650 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 11912 event pairs, 361 based on Foata normal form. 14/1906 useless extension candidates. Maximal degree in co-relation 7724. Up to 1158 conditions per place. [2025-03-17 19:33:02,353 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 137 selfloop transitions, 49 changer transitions 0/188 dead transitions. [2025-03-17 19:33:02,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 188 transitions, 2157 flow [2025-03-17 19:33:02,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 19:33:02,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-17 19:33:02,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 181 transitions. [2025-03-17 19:33:02,354 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.36639676113360325 [2025-03-17 19:33:02,354 INFO L175 Difference]: Start difference. First operand has 156 places, 134 transitions, 1591 flow. Second operand 13 states and 181 transitions. [2025-03-17 19:33:02,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 188 transitions, 2157 flow [2025-03-17 19:33:02,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 188 transitions, 2021 flow, removed 8 selfloop flow, removed 12 redundant places. [2025-03-17 19:33:02,378 INFO L231 Difference]: Finished difference. Result has 160 places, 137 transitions, 1641 flow [2025-03-17 19:33:02,378 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1455, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1641, PETRI_PLACES=160, PETRI_TRANSITIONS=137} [2025-03-17 19:33:02,379 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 121 predicate places. [2025-03-17 19:33:02,379 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 137 transitions, 1641 flow [2025-03-17 19:33:02,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:02,379 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:02,379 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:02,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-17 19:33:02,379 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:02,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:02,380 INFO L85 PathProgramCache]: Analyzing trace with hash -820518537, now seen corresponding path program 6 times [2025-03-17 19:33:02,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:02,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301583888] [2025-03-17 19:33:02,380 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-17 19:33:02,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:02,390 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 15 statements into 1 equivalence classes. [2025-03-17 19:33:02,398 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:33:02,399 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-17 19:33:02,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:02,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:02,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:02,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301583888] [2025-03-17 19:33:02,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301583888] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:02,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:02,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:02,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249660693] [2025-03-17 19:33:02,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:02,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:02,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:02,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:02,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:02,695 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:02,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 137 transitions, 1641 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:02,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:02,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:02,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:03,113 INFO L124 PetriNetUnfolderBase]: 1030/2047 cut-off events. [2025-03-17 19:33:03,113 INFO L125 PetriNetUnfolderBase]: For 12881/12881 co-relation queries the response was YES. [2025-03-17 19:33:03,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8688 conditions, 2047 events. 1030/2047 cut-off events. For 12881/12881 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 13104 event pairs, 247 based on Foata normal form. 14/2061 useless extension candidates. Maximal degree in co-relation 8648. Up to 1095 conditions per place. [2025-03-17 19:33:03,124 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 149 selfloop transitions, 61 changer transitions 0/212 dead transitions. [2025-03-17 19:33:03,124 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 212 transitions, 2543 flow [2025-03-17 19:33:03,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 19:33:03,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-17 19:33:03,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 196 transitions. [2025-03-17 19:33:03,125 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.34385964912280703 [2025-03-17 19:33:03,125 INFO L175 Difference]: Start difference. First operand has 160 places, 137 transitions, 1641 flow. Second operand 15 states and 196 transitions. [2025-03-17 19:33:03,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 212 transitions, 2543 flow [2025-03-17 19:33:03,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 212 transitions, 2448 flow, removed 20 selfloop flow, removed 6 redundant places. [2025-03-17 19:33:03,150 INFO L231 Difference]: Finished difference. Result has 176 places, 153 transitions, 2018 flow [2025-03-17 19:33:03,150 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1566, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2018, PETRI_PLACES=176, PETRI_TRANSITIONS=153} [2025-03-17 19:33:03,151 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 137 predicate places. [2025-03-17 19:33:03,151 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 153 transitions, 2018 flow [2025-03-17 19:33:03,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:03,151 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:03,151 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:03,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-17 19:33:03,151 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:03,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:03,151 INFO L85 PathProgramCache]: Analyzing trace with hash 302093139, now seen corresponding path program 7 times [2025-03-17 19:33:03,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:03,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403242175] [2025-03-17 19:33:03,152 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-17 19:33:03,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:03,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-17 19:33:03,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:33:03,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:03,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:03,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:03,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:03,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403242175] [2025-03-17 19:33:03,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403242175] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:03,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:03,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:03,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460333301] [2025-03-17 19:33:03,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:03,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:03,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:03,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:03,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:03,519 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:03,520 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 153 transitions, 2018 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:03,520 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:03,520 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:03,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:04,066 INFO L124 PetriNetUnfolderBase]: 1120/2263 cut-off events. [2025-03-17 19:33:04,067 INFO L125 PetriNetUnfolderBase]: For 18795/18795 co-relation queries the response was YES. [2025-03-17 19:33:04,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10224 conditions, 2263 events. 1120/2263 cut-off events. For 18795/18795 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 14889 event pairs, 359 based on Foata normal form. 22/2285 useless extension candidates. Maximal degree in co-relation 10176. Up to 1309 conditions per place. [2025-03-17 19:33:04,084 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 131 selfloop transitions, 68 changer transitions 0/201 dead transitions. [2025-03-17 19:33:04,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 201 transitions, 2629 flow [2025-03-17 19:33:04,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 19:33:04,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-17 19:33:04,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 192 transitions. [2025-03-17 19:33:04,085 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3368421052631579 [2025-03-17 19:33:04,085 INFO L175 Difference]: Start difference. First operand has 176 places, 153 transitions, 2018 flow. Second operand 15 states and 192 transitions. [2025-03-17 19:33:04,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 201 transitions, 2629 flow [2025-03-17 19:33:04,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 201 transitions, 2459 flow, removed 50 selfloop flow, removed 6 redundant places. [2025-03-17 19:33:04,129 INFO L231 Difference]: Finished difference. Result has 187 places, 156 transitions, 2123 flow [2025-03-17 19:33:04,130 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1868, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2123, PETRI_PLACES=187, PETRI_TRANSITIONS=156} [2025-03-17 19:33:04,130 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 148 predicate places. [2025-03-17 19:33:04,130 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 156 transitions, 2123 flow [2025-03-17 19:33:04,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:04,130 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:04,130 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:04,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-17 19:33:04,131 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:04,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:04,131 INFO L85 PathProgramCache]: Analyzing trace with hash 310681308, now seen corresponding path program 2 times [2025-03-17 19:33:04,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:04,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739613054] [2025-03-17 19:33:04,131 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:33:04,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:04,141 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 15 statements into 1 equivalence classes. [2025-03-17 19:33:04,145 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:33:04,145 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:33:04,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:04,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:04,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:04,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739613054] [2025-03-17 19:33:04,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739613054] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:04,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:04,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:04,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052832503] [2025-03-17 19:33:04,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:04,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:04,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:04,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:04,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:04,466 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:04,467 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 156 transitions, 2123 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:04,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:04,467 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:04,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:05,300 INFO L124 PetriNetUnfolderBase]: 1180/2381 cut-off events. [2025-03-17 19:33:05,300 INFO L125 PetriNetUnfolderBase]: For 18821/18825 co-relation queries the response was YES. [2025-03-17 19:33:05,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10592 conditions, 2381 events. 1180/2381 cut-off events. For 18821/18825 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 15931 event pairs, 384 based on Foata normal form. 16/2397 useless extension candidates. Maximal degree in co-relation 10543. Up to 1395 conditions per place. [2025-03-17 19:33:05,312 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 129 selfloop transitions, 84 changer transitions 0/215 dead transitions. [2025-03-17 19:33:05,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 215 transitions, 2726 flow [2025-03-17 19:33:05,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-17 19:33:05,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2025-03-17 19:33:05,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 274 transitions. [2025-03-17 19:33:05,313 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.30043859649122806 [2025-03-17 19:33:05,313 INFO L175 Difference]: Start difference. First operand has 187 places, 156 transitions, 2123 flow. Second operand 24 states and 274 transitions. [2025-03-17 19:33:05,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 215 transitions, 2726 flow [2025-03-17 19:33:05,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 215 transitions, 2615 flow, removed 8 selfloop flow, removed 11 redundant places. [2025-03-17 19:33:05,353 INFO L231 Difference]: Finished difference. Result has 202 places, 160 transitions, 2285 flow [2025-03-17 19:33:05,353 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2015, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=2285, PETRI_PLACES=202, PETRI_TRANSITIONS=160} [2025-03-17 19:33:05,353 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 163 predicate places. [2025-03-17 19:33:05,353 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 160 transitions, 2285 flow [2025-03-17 19:33:05,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:05,354 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:05,354 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:05,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-17 19:33:05,354 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:05,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:05,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1445422846, now seen corresponding path program 3 times [2025-03-17 19:33:05,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:05,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609700387] [2025-03-17 19:33:05,354 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 19:33:05,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:05,364 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 15 statements into 1 equivalence classes. [2025-03-17 19:33:05,367 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:33:05,367 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-17 19:33:05,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:05,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:05,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:05,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609700387] [2025-03-17 19:33:05,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609700387] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:05,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:05,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:05,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771367355] [2025-03-17 19:33:05,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:05,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:05,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:05,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:05,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:05,758 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:05,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 160 transitions, 2285 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:05,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:05,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:05,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:06,585 INFO L124 PetriNetUnfolderBase]: 1236/2497 cut-off events. [2025-03-17 19:33:06,585 INFO L125 PetriNetUnfolderBase]: For 19899/19903 co-relation queries the response was YES. [2025-03-17 19:33:06,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11134 conditions, 2497 events. 1236/2497 cut-off events. For 19899/19903 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 16926 event pairs, 387 based on Foata normal form. 16/2513 useless extension candidates. Maximal degree in co-relation 11082. Up to 1391 conditions per place. [2025-03-17 19:33:06,604 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 118 selfloop transitions, 89 changer transitions 0/209 dead transitions. [2025-03-17 19:33:06,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 209 transitions, 2846 flow [2025-03-17 19:33:06,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-17 19:33:06,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-03-17 19:33:06,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 245 transitions. [2025-03-17 19:33:06,606 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2930622009569378 [2025-03-17 19:33:06,606 INFO L175 Difference]: Start difference. First operand has 202 places, 160 transitions, 2285 flow. Second operand 22 states and 245 transitions. [2025-03-17 19:33:06,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 209 transitions, 2846 flow [2025-03-17 19:33:06,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 209 transitions, 2714 flow, removed 5 selfloop flow, removed 16 redundant places. [2025-03-17 19:33:06,653 INFO L231 Difference]: Finished difference. Result has 210 places, 162 transitions, 2429 flow [2025-03-17 19:33:06,653 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2153, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=2429, PETRI_PLACES=210, PETRI_TRANSITIONS=162} [2025-03-17 19:33:06,654 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 171 predicate places. [2025-03-17 19:33:06,654 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 162 transitions, 2429 flow [2025-03-17 19:33:06,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:06,654 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:06,654 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:06,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-17 19:33:06,654 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:06,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:06,654 INFO L85 PathProgramCache]: Analyzing trace with hash 539151187, now seen corresponding path program 8 times [2025-03-17 19:33:06,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:06,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142590706] [2025-03-17 19:33:06,655 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:33:06,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:06,663 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 15 statements into 1 equivalence classes. [2025-03-17 19:33:06,668 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:33:06,668 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:33:06,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:06,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:06,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:06,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142590706] [2025-03-17 19:33:06,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142590706] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:06,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:06,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:06,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501487616] [2025-03-17 19:33:06,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:06,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:06,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:06,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:06,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:06,934 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:06,934 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 162 transitions, 2429 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:06,934 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:06,934 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:06,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:07,462 INFO L124 PetriNetUnfolderBase]: 1340/2727 cut-off events. [2025-03-17 19:33:07,462 INFO L125 PetriNetUnfolderBase]: For 25689/25693 co-relation queries the response was YES. [2025-03-17 19:33:07,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12653 conditions, 2727 events. 1340/2727 cut-off events. For 25689/25693 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 19013 event pairs, 418 based on Foata normal form. 22/2749 useless extension candidates. Maximal degree in co-relation 12598. Up to 1684 conditions per place. [2025-03-17 19:33:07,476 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 144 selfloop transitions, 70 changer transitions 0/216 dead transitions. [2025-03-17 19:33:07,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 216 transitions, 3154 flow [2025-03-17 19:33:07,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 19:33:07,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-17 19:33:07,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 199 transitions. [2025-03-17 19:33:07,478 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.34912280701754383 [2025-03-17 19:33:07,478 INFO L175 Difference]: Start difference. First operand has 210 places, 162 transitions, 2429 flow. Second operand 15 states and 199 transitions. [2025-03-17 19:33:07,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 216 transitions, 3154 flow [2025-03-17 19:33:07,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 216 transitions, 2950 flow, removed 1 selfloop flow, removed 23 redundant places. [2025-03-17 19:33:07,532 INFO L231 Difference]: Finished difference. Result has 204 places, 169 transitions, 2588 flow [2025-03-17 19:33:07,533 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2228, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2588, PETRI_PLACES=204, PETRI_TRANSITIONS=169} [2025-03-17 19:33:07,533 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 165 predicate places. [2025-03-17 19:33:07,533 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 169 transitions, 2588 flow [2025-03-17 19:33:07,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:07,533 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:07,533 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:07,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-17 19:33:07,533 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:07,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:07,534 INFO L85 PathProgramCache]: Analyzing trace with hash 547739356, now seen corresponding path program 4 times [2025-03-17 19:33:07,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:07,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392918305] [2025-03-17 19:33:07,534 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-17 19:33:07,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:07,543 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 15 statements into 2 equivalence classes. [2025-03-17 19:33:07,548 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:33:07,548 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-17 19:33:07,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:07,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:07,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:07,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392918305] [2025-03-17 19:33:07,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392918305] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:07,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:07,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:07,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484161160] [2025-03-17 19:33:07,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:07,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:07,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:07,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:07,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:07,875 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:07,876 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 169 transitions, 2588 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:07,876 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:07,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:07,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:08,515 INFO L124 PetriNetUnfolderBase]: 1396/2837 cut-off events. [2025-03-17 19:33:08,516 INFO L125 PetriNetUnfolderBase]: For 26903/26907 co-relation queries the response was YES. [2025-03-17 19:33:08,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13367 conditions, 2837 events. 1396/2837 cut-off events. For 26903/26907 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 20002 event pairs, 461 based on Foata normal form. 12/2849 useless extension candidates. Maximal degree in co-relation 13309. Up to 1629 conditions per place. [2025-03-17 19:33:08,533 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 141 selfloop transitions, 80 changer transitions 0/223 dead transitions. [2025-03-17 19:33:08,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 223 transitions, 3192 flow [2025-03-17 19:33:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-17 19:33:08,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-17 19:33:08,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 236 transitions. [2025-03-17 19:33:08,534 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3268698060941828 [2025-03-17 19:33:08,534 INFO L175 Difference]: Start difference. First operand has 204 places, 169 transitions, 2588 flow. Second operand 19 states and 236 transitions. [2025-03-17 19:33:08,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 223 transitions, 3192 flow [2025-03-17 19:33:08,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 223 transitions, 3121 flow, removed 9 selfloop flow, removed 6 redundant places. [2025-03-17 19:33:08,603 INFO L231 Difference]: Finished difference. Result has 219 places, 171 transitions, 2774 flow [2025-03-17 19:33:08,603 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2517, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2774, PETRI_PLACES=219, PETRI_TRANSITIONS=171} [2025-03-17 19:33:08,603 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 180 predicate places. [2025-03-17 19:33:08,603 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 171 transitions, 2774 flow [2025-03-17 19:33:08,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:08,604 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:08,604 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:08,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-17 19:33:08,604 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:08,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:08,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1399648267, now seen corresponding path program 9 times [2025-03-17 19:33:08,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:08,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642170286] [2025-03-17 19:33:08,604 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 19:33:08,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:08,613 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 15 statements into 1 equivalence classes. [2025-03-17 19:33:08,617 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:33:08,617 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-17 19:33:08,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:08,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:08,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:08,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642170286] [2025-03-17 19:33:08,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642170286] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:08,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:08,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:08,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937173576] [2025-03-17 19:33:08,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:08,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:08,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:08,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:08,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:08,896 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:08,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 171 transitions, 2774 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:08,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:08,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:08,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:09,419 INFO L124 PetriNetUnfolderBase]: 1486/3039 cut-off events. [2025-03-17 19:33:09,419 INFO L125 PetriNetUnfolderBase]: For 32710/32714 co-relation queries the response was YES. [2025-03-17 19:33:09,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14661 conditions, 3039 events. 1486/3039 cut-off events. For 32710/32714 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 21826 event pairs, 495 based on Foata normal form. 22/3061 useless extension candidates. Maximal degree in co-relation 14600. Up to 1942 conditions per place. [2025-03-17 19:33:09,441 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 142 selfloop transitions, 75 changer transitions 0/219 dead transitions. [2025-03-17 19:33:09,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 219 transitions, 3417 flow [2025-03-17 19:33:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 19:33:09,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-17 19:33:09,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 191 transitions. [2025-03-17 19:33:09,442 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3350877192982456 [2025-03-17 19:33:09,442 INFO L175 Difference]: Start difference. First operand has 219 places, 171 transitions, 2774 flow. Second operand 15 states and 191 transitions. [2025-03-17 19:33:09,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 219 transitions, 3417 flow [2025-03-17 19:33:09,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 219 transitions, 3310 flow, removed 0 selfloop flow, removed 15 redundant places. [2025-03-17 19:33:09,558 INFO L231 Difference]: Finished difference. Result has 221 places, 174 transitions, 2958 flow [2025-03-17 19:33:09,558 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2667, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2958, PETRI_PLACES=221, PETRI_TRANSITIONS=174} [2025-03-17 19:33:09,559 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 182 predicate places. [2025-03-17 19:33:09,559 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 174 transitions, 2958 flow [2025-03-17 19:33:09,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:09,559 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:09,559 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:09,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-17 19:33:09,559 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:09,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:09,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1574934667, now seen corresponding path program 10 times [2025-03-17 19:33:09,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:09,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319557972] [2025-03-17 19:33:09,560 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-17 19:33:09,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:09,569 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 15 statements into 2 equivalence classes. [2025-03-17 19:33:09,574 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:33:09,575 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-17 19:33:09,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:09,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:09,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:09,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319557972] [2025-03-17 19:33:09,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319557972] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:09,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:09,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:09,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531246786] [2025-03-17 19:33:09,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:09,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:09,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:09,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:09,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:09,890 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:09,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 174 transitions, 2958 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:09,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:09,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:09,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:10,475 INFO L124 PetriNetUnfolderBase]: 1458/2989 cut-off events. [2025-03-17 19:33:10,475 INFO L125 PetriNetUnfolderBase]: For 34549/34553 co-relation queries the response was YES. [2025-03-17 19:33:10,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14721 conditions, 2989 events. 1458/2989 cut-off events. For 34549/34553 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 21457 event pairs, 441 based on Foata normal form. 22/3011 useless extension candidates. Maximal degree in co-relation 14657. Up to 1428 conditions per place. [2025-03-17 19:33:10,493 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 153 selfloop transitions, 74 changer transitions 0/229 dead transitions. [2025-03-17 19:33:10,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 229 transitions, 3543 flow [2025-03-17 19:33:10,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 19:33:10,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-17 19:33:10,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 201 transitions. [2025-03-17 19:33:10,494 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3526315789473684 [2025-03-17 19:33:10,494 INFO L175 Difference]: Start difference. First operand has 221 places, 174 transitions, 2958 flow. Second operand 15 states and 201 transitions. [2025-03-17 19:33:10,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 229 transitions, 3543 flow [2025-03-17 19:33:10,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 229 transitions, 3345 flow, removed 41 selfloop flow, removed 21 redundant places. [2025-03-17 19:33:10,582 INFO L231 Difference]: Finished difference. Result has 213 places, 173 transitions, 2894 flow [2025-03-17 19:33:10,582 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2746, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2894, PETRI_PLACES=213, PETRI_TRANSITIONS=173} [2025-03-17 19:33:10,582 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 174 predicate places. [2025-03-17 19:33:10,582 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 173 transitions, 2894 flow [2025-03-17 19:33:10,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:10,583 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:10,583 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:10,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-17 19:33:10,583 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:10,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:10,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1801531006, now seen corresponding path program 5 times [2025-03-17 19:33:10,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:10,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745698744] [2025-03-17 19:33:10,583 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-17 19:33:10,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:10,592 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 15 statements into 1 equivalence classes. [2025-03-17 19:33:10,595 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:33:10,596 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:33:10,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:10,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:10,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:10,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745698744] [2025-03-17 19:33:10,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745698744] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:10,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:10,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:10,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413633136] [2025-03-17 19:33:10,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:10,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:10,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:10,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:10,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:10,921 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:10,921 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 173 transitions, 2894 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:10,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:10,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:10,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:11,614 INFO L124 PetriNetUnfolderBase]: 1441/2952 cut-off events. [2025-03-17 19:33:11,615 INFO L125 PetriNetUnfolderBase]: For 30639/30643 co-relation queries the response was YES. [2025-03-17 19:33:11,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14267 conditions, 2952 events. 1441/2952 cut-off events. For 30639/30643 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 21171 event pairs, 467 based on Foata normal form. 16/2968 useless extension candidates. Maximal degree in co-relation 14212. Up to 1713 conditions per place. [2025-03-17 19:33:11,633 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 119 selfloop transitions, 94 changer transitions 0/215 dead transitions. [2025-03-17 19:33:11,633 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 215 transitions, 3427 flow [2025-03-17 19:33:11,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-17 19:33:11,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-17 19:33:11,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 230 transitions. [2025-03-17 19:33:11,634 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2882205513784461 [2025-03-17 19:33:11,634 INFO L175 Difference]: Start difference. First operand has 213 places, 173 transitions, 2894 flow. Second operand 21 states and 230 transitions. [2025-03-17 19:33:11,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 215 transitions, 3427 flow [2025-03-17 19:33:11,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 215 transitions, 3031 flow, removed 38 selfloop flow, removed 30 redundant places. [2025-03-17 19:33:11,707 INFO L231 Difference]: Finished difference. Result has 202 places, 172 transitions, 2674 flow [2025-03-17 19:33:11,707 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2486, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2674, PETRI_PLACES=202, PETRI_TRANSITIONS=172} [2025-03-17 19:33:11,707 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 163 predicate places. [2025-03-17 19:33:11,707 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 172 transitions, 2674 flow [2025-03-17 19:33:11,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:11,708 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:11,708 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:11,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-17 19:33:11,708 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:11,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:11,708 INFO L85 PathProgramCache]: Analyzing trace with hash 924193777, now seen corresponding path program 1 times [2025-03-17 19:33:11,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:11,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071961565] [2025-03-17 19:33:11,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:33:11,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:11,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-17 19:33:11,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 19:33:11,720 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:11,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:11,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:11,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:11,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071961565] [2025-03-17 19:33:11,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071961565] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:11,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:11,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:11,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217996944] [2025-03-17 19:33:11,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:11,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:11,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:11,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:11,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:11,967 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:11,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 172 transitions, 2674 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:11,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:11,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:11,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:12,439 INFO L124 PetriNetUnfolderBase]: 1422/2907 cut-off events. [2025-03-17 19:33:12,439 INFO L125 PetriNetUnfolderBase]: For 24259/24263 co-relation queries the response was YES. [2025-03-17 19:33:12,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12917 conditions, 2907 events. 1422/2907 cut-off events. For 24259/24263 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 20972 event pairs, 760 based on Foata normal form. 14/2921 useless extension candidates. Maximal degree in co-relation 12883. Up to 2344 conditions per place. [2025-03-17 19:33:12,454 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 134 selfloop transitions, 49 changer transitions 25/210 dead transitions. [2025-03-17 19:33:12,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 210 transitions, 3124 flow [2025-03-17 19:33:12,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 19:33:12,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-17 19:33:12,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 188 transitions. [2025-03-17 19:33:12,455 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3298245614035088 [2025-03-17 19:33:12,455 INFO L175 Difference]: Start difference. First operand has 202 places, 172 transitions, 2674 flow. Second operand 15 states and 188 transitions. [2025-03-17 19:33:12,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 210 transitions, 3124 flow [2025-03-17 19:33:12,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 210 transitions, 2919 flow, removed 5 selfloop flow, removed 18 redundant places. [2025-03-17 19:33:12,500 INFO L231 Difference]: Finished difference. Result has 198 places, 164 transitions, 2414 flow [2025-03-17 19:33:12,500 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2411, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2414, PETRI_PLACES=198, PETRI_TRANSITIONS=164} [2025-03-17 19:33:12,500 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 159 predicate places. [2025-03-17 19:33:12,500 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 164 transitions, 2414 flow [2025-03-17 19:33:12,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:12,500 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:12,500 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:12,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-17 19:33:12,501 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:12,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:12,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1190427007, now seen corresponding path program 1 times [2025-03-17 19:33:12,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:12,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043656828] [2025-03-17 19:33:12,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:33:12,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:12,509 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-17 19:33:12,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 19:33:12,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:12,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:12,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:12,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:12,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043656828] [2025-03-17 19:33:12,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043656828] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:12,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:12,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:12,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370995019] [2025-03-17 19:33:12,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:12,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:12,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:12,777 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:12,777 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:12,798 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:12,798 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 164 transitions, 2414 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:12,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:12,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:12,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:13,297 INFO L124 PetriNetUnfolderBase]: 1344/2749 cut-off events. [2025-03-17 19:33:13,297 INFO L125 PetriNetUnfolderBase]: For 20880/20884 co-relation queries the response was YES. [2025-03-17 19:33:13,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12016 conditions, 2749 events. 1344/2749 cut-off events. For 20880/20884 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 19650 event pairs, 762 based on Foata normal form. 12/2761 useless extension candidates. Maximal degree in co-relation 11983. Up to 2122 conditions per place. [2025-03-17 19:33:13,311 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 122 selfloop transitions, 58 changer transitions 26/208 dead transitions. [2025-03-17 19:33:13,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 208 transitions, 2931 flow [2025-03-17 19:33:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-17 19:33:13,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-17 19:33:13,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 216 transitions. [2025-03-17 19:33:13,312 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3157894736842105 [2025-03-17 19:33:13,312 INFO L175 Difference]: Start difference. First operand has 198 places, 164 transitions, 2414 flow. Second operand 18 states and 216 transitions. [2025-03-17 19:33:13,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 208 transitions, 2931 flow [2025-03-17 19:33:13,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 208 transitions, 2806 flow, removed 0 selfloop flow, removed 13 redundant places. [2025-03-17 19:33:13,350 INFO L231 Difference]: Finished difference. Result has 194 places, 154 transitions, 2273 flow [2025-03-17 19:33:13,350 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2274, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2273, PETRI_PLACES=194, PETRI_TRANSITIONS=154} [2025-03-17 19:33:13,351 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 155 predicate places. [2025-03-17 19:33:13,351 INFO L471 AbstractCegarLoop]: Abstraction has has 194 places, 154 transitions, 2273 flow [2025-03-17 19:33:13,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:13,351 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:13,351 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:13,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-03-17 19:33:13,351 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:13,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:13,351 INFO L85 PathProgramCache]: Analyzing trace with hash 753438517, now seen corresponding path program 2 times [2025-03-17 19:33:13,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:13,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879457599] [2025-03-17 19:33:13,351 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:33:13,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:13,359 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-17 19:33:13,363 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 19:33:13,363 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:33:13,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:13,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:13,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:13,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879457599] [2025-03-17 19:33:13,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879457599] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:13,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:13,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:13,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660289093] [2025-03-17 19:33:13,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:13,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:13,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:13,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:13,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:13,603 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:13,604 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 154 transitions, 2273 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:13,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:13,604 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:13,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:14,103 INFO L124 PetriNetUnfolderBase]: 1248/2561 cut-off events. [2025-03-17 19:33:14,103 INFO L125 PetriNetUnfolderBase]: For 19751/19755 co-relation queries the response was YES. [2025-03-17 19:33:14,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11106 conditions, 2561 events. 1248/2561 cut-off events. For 19751/19755 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 18113 event pairs, 716 based on Foata normal form. 14/2575 useless extension candidates. Maximal degree in co-relation 11073. Up to 2106 conditions per place. [2025-03-17 19:33:14,116 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 123 selfloop transitions, 38 changer transitions 25/188 dead transitions. [2025-03-17 19:33:14,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 188 transitions, 2673 flow [2025-03-17 19:33:14,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 19:33:14,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-17 19:33:14,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 182 transitions. [2025-03-17 19:33:14,117 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3192982456140351 [2025-03-17 19:33:14,117 INFO L175 Difference]: Start difference. First operand has 194 places, 154 transitions, 2273 flow. Second operand 15 states and 182 transitions. [2025-03-17 19:33:14,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 188 transitions, 2673 flow [2025-03-17 19:33:14,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 188 transitions, 2430 flow, removed 1 selfloop flow, removed 16 redundant places. [2025-03-17 19:33:14,151 INFO L231 Difference]: Finished difference. Result has 183 places, 146 transitions, 1987 flow [2025-03-17 19:33:14,151 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1974, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1987, PETRI_PLACES=183, PETRI_TRANSITIONS=146} [2025-03-17 19:33:14,152 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 144 predicate places. [2025-03-17 19:33:14,152 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 146 transitions, 1987 flow [2025-03-17 19:33:14,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:14,152 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:14,152 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:14,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-03-17 19:33:14,152 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:14,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:14,152 INFO L85 PathProgramCache]: Analyzing trace with hash -187958257, now seen corresponding path program 3 times [2025-03-17 19:33:14,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:14,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914927596] [2025-03-17 19:33:14,152 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 19:33:14,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:14,161 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 1 equivalence classes. [2025-03-17 19:33:14,164 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 19:33:14,164 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-17 19:33:14,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:14,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:14,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:14,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914927596] [2025-03-17 19:33:14,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914927596] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:14,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:14,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:14,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697865570] [2025-03-17 19:33:14,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:14,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:14,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:14,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:14,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:14,411 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:14,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 146 transitions, 1987 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:14,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:14,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:14,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:14,852 INFO L124 PetriNetUnfolderBase]: 1172/2425 cut-off events. [2025-03-17 19:33:14,853 INFO L125 PetriNetUnfolderBase]: For 16293/16297 co-relation queries the response was YES. [2025-03-17 19:33:14,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9998 conditions, 2425 events. 1172/2425 cut-off events. For 16293/16297 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 16779 event pairs, 432 based on Foata normal form. 14/2439 useless extension candidates. Maximal degree in co-relation 9968. Up to 1731 conditions per place. [2025-03-17 19:33:14,864 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 97 selfloop transitions, 61 changer transitions 30/190 dead transitions. [2025-03-17 19:33:14,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 190 transitions, 2415 flow [2025-03-17 19:33:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-17 19:33:14,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-17 19:33:14,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 220 transitions. [2025-03-17 19:33:14,865 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3216374269005848 [2025-03-17 19:33:14,865 INFO L175 Difference]: Start difference. First operand has 183 places, 146 transitions, 1987 flow. Second operand 18 states and 220 transitions. [2025-03-17 19:33:14,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 190 transitions, 2415 flow [2025-03-17 19:33:14,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 190 transitions, 2267 flow, removed 0 selfloop flow, removed 12 redundant places. [2025-03-17 19:33:14,893 INFO L231 Difference]: Finished difference. Result has 180 places, 135 transitions, 1798 flow [2025-03-17 19:33:14,893 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1781, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1798, PETRI_PLACES=180, PETRI_TRANSITIONS=135} [2025-03-17 19:33:14,893 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 141 predicate places. [2025-03-17 19:33:14,893 INFO L471 AbstractCegarLoop]: Abstraction has has 180 places, 135 transitions, 1798 flow [2025-03-17 19:33:14,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:14,893 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:14,894 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:14,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-03-17 19:33:14,894 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:14,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:14,894 INFO L85 PathProgramCache]: Analyzing trace with hash 331945581, now seen corresponding path program 4 times [2025-03-17 19:33:14,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:14,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462436953] [2025-03-17 19:33:14,894 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-17 19:33:14,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:14,905 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 16 statements into 2 equivalence classes. [2025-03-17 19:33:14,909 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 19:33:14,909 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-17 19:33:14,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:15,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:15,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:15,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462436953] [2025-03-17 19:33:15,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462436953] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:15,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:15,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:15,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954842802] [2025-03-17 19:33:15,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:15,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:15,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:15,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:15,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:15,151 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:15,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 135 transitions, 1798 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:15,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:15,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:15,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:15,625 INFO L124 PetriNetUnfolderBase]: 1106/2363 cut-off events. [2025-03-17 19:33:15,625 INFO L125 PetriNetUnfolderBase]: For 15207/15211 co-relation queries the response was YES. [2025-03-17 19:33:15,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8823 conditions, 2363 events. 1106/2363 cut-off events. For 15207/15211 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 16924 event pairs, 350 based on Foata normal form. 84/2447 useless extension candidates. Maximal degree in co-relation 8794. Up to 1188 conditions per place. [2025-03-17 19:33:15,636 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 78 selfloop transitions, 52 changer transitions 44/176 dead transitions. [2025-03-17 19:33:15,636 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 176 transitions, 2063 flow [2025-03-17 19:33:15,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-17 19:33:15,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-17 19:33:15,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 224 transitions. [2025-03-17 19:33:15,637 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31024930747922436 [2025-03-17 19:33:15,637 INFO L175 Difference]: Start difference. First operand has 180 places, 135 transitions, 1798 flow. Second operand 19 states and 224 transitions. [2025-03-17 19:33:15,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 176 transitions, 2063 flow [2025-03-17 19:33:15,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 176 transitions, 1817 flow, removed 2 selfloop flow, removed 21 redundant places. [2025-03-17 19:33:15,661 INFO L231 Difference]: Finished difference. Result has 169 places, 109 transitions, 1296 flow [2025-03-17 19:33:15,662 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1346, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1296, PETRI_PLACES=169, PETRI_TRANSITIONS=109} [2025-03-17 19:33:15,662 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 130 predicate places. [2025-03-17 19:33:15,662 INFO L471 AbstractCegarLoop]: Abstraction has has 169 places, 109 transitions, 1296 flow [2025-03-17 19:33:15,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:15,662 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:15,662 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:15,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-03-17 19:33:15,662 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:15,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:15,663 INFO L85 PathProgramCache]: Analyzing trace with hash 333729519, now seen corresponding path program 5 times [2025-03-17 19:33:15,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:15,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142753426] [2025-03-17 19:33:15,663 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-17 19:33:15,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:15,672 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-17 19:33:15,675 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 19:33:15,675 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:33:15,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:15,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:15,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:15,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142753426] [2025-03-17 19:33:15,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142753426] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:15,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:15,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:15,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066119110] [2025-03-17 19:33:15,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:15,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:15,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:15,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:15,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:15,923 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:15,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 109 transitions, 1296 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:15,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:15,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:15,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:16,286 INFO L124 PetriNetUnfolderBase]: 759/1625 cut-off events. [2025-03-17 19:33:16,286 INFO L125 PetriNetUnfolderBase]: For 8715/8719 co-relation queries the response was YES. [2025-03-17 19:33:16,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6549 conditions, 1625 events. 759/1625 cut-off events. For 8715/8719 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 10502 event pairs, 216 based on Foata normal form. 11/1636 useless extension candidates. Maximal degree in co-relation 6520. Up to 1025 conditions per place. [2025-03-17 19:33:16,293 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 62 selfloop transitions, 53 changer transitions 38/155 dead transitions. [2025-03-17 19:33:16,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 155 transitions, 1672 flow [2025-03-17 19:33:16,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-17 19:33:16,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-17 19:33:16,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 222 transitions. [2025-03-17 19:33:16,294 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3074792243767313 [2025-03-17 19:33:16,294 INFO L175 Difference]: Start difference. First operand has 169 places, 109 transitions, 1296 flow. Second operand 19 states and 222 transitions. [2025-03-17 19:33:16,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 155 transitions, 1672 flow [2025-03-17 19:33:16,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 155 transitions, 1416 flow, removed 12 selfloop flow, removed 25 redundant places. [2025-03-17 19:33:16,311 INFO L231 Difference]: Finished difference. Result has 148 places, 97 transitions, 1053 flow [2025-03-17 19:33:16,311 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1013, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1053, PETRI_PLACES=148, PETRI_TRANSITIONS=97} [2025-03-17 19:33:16,312 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 109 predicate places. [2025-03-17 19:33:16,312 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 97 transitions, 1053 flow [2025-03-17 19:33:16,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:16,312 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:16,312 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:16,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-03-17 19:33:16,312 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:16,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:16,312 INFO L85 PathProgramCache]: Analyzing trace with hash -199948767, now seen corresponding path program 2 times [2025-03-17 19:33:16,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:16,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441210037] [2025-03-17 19:33:16,312 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:33:16,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:16,321 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-17 19:33:16,323 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 19:33:16,323 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:33:16,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:16,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:16,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:16,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441210037] [2025-03-17 19:33:16,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441210037] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:16,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:16,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:16,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814423326] [2025-03-17 19:33:16,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:16,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:16,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:16,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:16,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:16,613 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:16,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 97 transitions, 1053 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:16,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:16,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:16,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:16,985 INFO L124 PetriNetUnfolderBase]: 671/1444 cut-off events. [2025-03-17 19:33:16,986 INFO L125 PetriNetUnfolderBase]: For 6190/6194 co-relation queries the response was YES. [2025-03-17 19:33:16,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5519 conditions, 1444 events. 671/1444 cut-off events. For 6190/6194 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 9154 event pairs, 198 based on Foata normal form. 12/1456 useless extension candidates. Maximal degree in co-relation 5497. Up to 930 conditions per place. [2025-03-17 19:33:16,991 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 70 selfloop transitions, 41 changer transitions 19/132 dead transitions. [2025-03-17 19:33:16,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 132 transitions, 1390 flow [2025-03-17 19:33:16,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 19:33:16,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-17 19:33:16,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 179 transitions. [2025-03-17 19:33:16,991 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3140350877192982 [2025-03-17 19:33:16,992 INFO L175 Difference]: Start difference. First operand has 148 places, 97 transitions, 1053 flow. Second operand 15 states and 179 transitions. [2025-03-17 19:33:16,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 132 transitions, 1390 flow [2025-03-17 19:33:17,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 132 transitions, 1273 flow, removed 0 selfloop flow, removed 15 redundant places. [2025-03-17 19:33:17,003 INFO L231 Difference]: Finished difference. Result has 133 places, 88 transitions, 901 flow [2025-03-17 19:33:17,003 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=923, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=901, PETRI_PLACES=133, PETRI_TRANSITIONS=88} [2025-03-17 19:33:17,003 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 94 predicate places. [2025-03-17 19:33:17,003 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 88 transitions, 901 flow [2025-03-17 19:33:17,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:17,003 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:17,003 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:17,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-03-17 19:33:17,003 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:17,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:17,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1041186337, now seen corresponding path program 3 times [2025-03-17 19:33:17,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:17,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401388891] [2025-03-17 19:33:17,004 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 19:33:17,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:17,013 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 1 equivalence classes. [2025-03-17 19:33:17,016 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 19:33:17,016 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-17 19:33:17,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:17,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:17,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:17,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401388891] [2025-03-17 19:33:17,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401388891] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:17,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:17,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:17,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128864463] [2025-03-17 19:33:17,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:17,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:17,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:17,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:17,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:17,302 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:17,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 88 transitions, 901 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:17,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:17,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:17,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:17,816 INFO L124 PetriNetUnfolderBase]: 589/1278 cut-off events. [2025-03-17 19:33:17,816 INFO L125 PetriNetUnfolderBase]: For 5076/5080 co-relation queries the response was YES. [2025-03-17 19:33:17,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4793 conditions, 1278 events. 589/1278 cut-off events. For 5076/5080 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 7877 event pairs, 169 based on Foata normal form. 16/1294 useless extension candidates. Maximal degree in co-relation 4771. Up to 793 conditions per place. [2025-03-17 19:33:17,822 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 66 selfloop transitions, 42 changer transitions 21/131 dead transitions. [2025-03-17 19:33:17,822 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 131 transitions, 1253 flow [2025-03-17 19:33:17,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-17 19:33:17,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-17 19:33:17,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 232 transitions. [2025-03-17 19:33:17,823 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2907268170426065 [2025-03-17 19:33:17,823 INFO L175 Difference]: Start difference. First operand has 133 places, 88 transitions, 901 flow. Second operand 21 states and 232 transitions. [2025-03-17 19:33:17,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 131 transitions, 1253 flow [2025-03-17 19:33:17,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 131 transitions, 1134 flow, removed 4 selfloop flow, removed 16 redundant places. [2025-03-17 19:33:17,832 INFO L231 Difference]: Finished difference. Result has 133 places, 79 transitions, 761 flow [2025-03-17 19:33:17,832 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=761, PETRI_PLACES=133, PETRI_TRANSITIONS=79} [2025-03-17 19:33:17,832 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 94 predicate places. [2025-03-17 19:33:17,832 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 79 transitions, 761 flow [2025-03-17 19:33:17,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:17,833 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:17,833 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:17,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-03-17 19:33:17,833 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:17,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:17,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1858435647, now seen corresponding path program 4 times [2025-03-17 19:33:17,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:17,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975227179] [2025-03-17 19:33:17,833 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-17 19:33:17,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:17,845 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 16 statements into 2 equivalence classes. [2025-03-17 19:33:17,848 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 19:33:17,848 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-17 19:33:17,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:18,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:18,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:18,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975227179] [2025-03-17 19:33:18,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975227179] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:18,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:18,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:18,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558388256] [2025-03-17 19:33:18,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:18,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:18,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:18,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:18,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:18,153 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:18,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 79 transitions, 761 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:18,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:18,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:18,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:18,560 INFO L124 PetriNetUnfolderBase]: 507/1112 cut-off events. [2025-03-17 19:33:18,560 INFO L125 PetriNetUnfolderBase]: For 3891/3895 co-relation queries the response was YES. [2025-03-17 19:33:18,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4043 conditions, 1112 events. 507/1112 cut-off events. For 3891/3895 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 6634 event pairs, 152 based on Foata normal form. 16/1128 useless extension candidates. Maximal degree in co-relation 4023. Up to 681 conditions per place. [2025-03-17 19:33:18,564 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 53 selfloop transitions, 38 changer transitions 19/112 dead transitions. [2025-03-17 19:33:18,564 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 112 transitions, 1053 flow [2025-03-17 19:33:18,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-17 19:33:18,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-17 19:33:18,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 195 transitions. [2025-03-17 19:33:18,565 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2850877192982456 [2025-03-17 19:33:18,565 INFO L175 Difference]: Start difference. First operand has 133 places, 79 transitions, 761 flow. Second operand 18 states and 195 transitions. [2025-03-17 19:33:18,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 112 transitions, 1053 flow [2025-03-17 19:33:18,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 112 transitions, 931 flow, removed 3 selfloop flow, removed 22 redundant places. [2025-03-17 19:33:18,572 INFO L231 Difference]: Finished difference. Result has 122 places, 72 transitions, 662 flow [2025-03-17 19:33:18,572 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=629, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=662, PETRI_PLACES=122, PETRI_TRANSITIONS=72} [2025-03-17 19:33:18,572 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 83 predicate places. [2025-03-17 19:33:18,572 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 72 transitions, 662 flow [2025-03-17 19:33:18,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:18,572 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:18,572 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:18,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-03-17 19:33:18,573 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:18,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:18,573 INFO L85 PathProgramCache]: Analyzing trace with hash 12886719, now seen corresponding path program 5 times [2025-03-17 19:33:18,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:18,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040637354] [2025-03-17 19:33:18,573 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-17 19:33:18,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:18,582 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-17 19:33:18,585 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 19:33:18,585 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:33:18,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:18,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:18,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:18,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040637354] [2025-03-17 19:33:18,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040637354] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:18,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:18,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:18,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159030198] [2025-03-17 19:33:18,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:18,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:18,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:18,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:18,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:18,869 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:18,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 72 transitions, 662 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:18,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:18,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:18,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:19,191 INFO L124 PetriNetUnfolderBase]: 437/974 cut-off events. [2025-03-17 19:33:19,191 INFO L125 PetriNetUnfolderBase]: For 2863/2863 co-relation queries the response was YES. [2025-03-17 19:33:19,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3513 conditions, 974 events. 437/974 cut-off events. For 2863/2863 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 5645 event pairs, 120 based on Foata normal form. 12/986 useless extension candidates. Maximal degree in co-relation 3496. Up to 544 conditions per place. [2025-03-17 19:33:19,194 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 43 selfloop transitions, 33 changer transitions 23/101 dead transitions. [2025-03-17 19:33:19,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 101 transitions, 927 flow [2025-03-17 19:33:19,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-17 19:33:19,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-17 19:33:19,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 178 transitions. [2025-03-17 19:33:19,195 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2755417956656347 [2025-03-17 19:33:19,195 INFO L175 Difference]: Start difference. First operand has 122 places, 72 transitions, 662 flow. Second operand 17 states and 178 transitions. [2025-03-17 19:33:19,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 101 transitions, 927 flow [2025-03-17 19:33:19,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 101 transitions, 822 flow, removed 6 selfloop flow, removed 18 redundant places. [2025-03-17 19:33:19,200 INFO L231 Difference]: Finished difference. Result has 110 places, 61 transitions, 557 flow [2025-03-17 19:33:19,200 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=557, PETRI_PLACES=110, PETRI_TRANSITIONS=61} [2025-03-17 19:33:19,200 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 71 predicate places. [2025-03-17 19:33:19,200 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 61 transitions, 557 flow [2025-03-17 19:33:19,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:19,200 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:19,201 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:19,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-03-17 19:33:19,201 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:19,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:19,201 INFO L85 PathProgramCache]: Analyzing trace with hash -186972607, now seen corresponding path program 1 times [2025-03-17 19:33:19,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:19,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014250382] [2025-03-17 19:33:19,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:33:19,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:19,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-17 19:33:19,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-17 19:33:19,213 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:19,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:19,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:19,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:19,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014250382] [2025-03-17 19:33:19,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014250382] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:19,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:19,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:19,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562819668] [2025-03-17 19:33:19,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:19,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:19,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:19,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:19,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:19,496 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:19,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 61 transitions, 557 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:19,496 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:19,496 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:19,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:19,740 INFO L124 PetriNetUnfolderBase]: 356/813 cut-off events. [2025-03-17 19:33:19,740 INFO L125 PetriNetUnfolderBase]: For 2272/2272 co-relation queries the response was YES. [2025-03-17 19:33:19,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2837 conditions, 813 events. 356/813 cut-off events. For 2272/2272 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4575 event pairs, 116 based on Foata normal form. 16/829 useless extension candidates. Maximal degree in co-relation 2823. Up to 446 conditions per place. [2025-03-17 19:33:19,743 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 41 selfloop transitions, 16 changer transitions 32/91 dead transitions. [2025-03-17 19:33:19,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 91 transitions, 780 flow [2025-03-17 19:33:19,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 19:33:19,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-17 19:33:19,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 155 transitions. [2025-03-17 19:33:19,744 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.29135338345864664 [2025-03-17 19:33:19,744 INFO L175 Difference]: Start difference. First operand has 110 places, 61 transitions, 557 flow. Second operand 14 states and 155 transitions. [2025-03-17 19:33:19,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 91 transitions, 780 flow [2025-03-17 19:33:19,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 91 transitions, 671 flow, removed 1 selfloop flow, removed 17 redundant places. [2025-03-17 19:33:19,747 INFO L231 Difference]: Finished difference. Result has 96 places, 47 transitions, 360 flow [2025-03-17 19:33:19,747 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=429, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=360, PETRI_PLACES=96, PETRI_TRANSITIONS=47} [2025-03-17 19:33:19,748 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 57 predicate places. [2025-03-17 19:33:19,748 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 47 transitions, 360 flow [2025-03-17 19:33:19,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:19,748 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:19,748 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:19,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-03-17 19:33:19,748 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:19,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:19,748 INFO L85 PathProgramCache]: Analyzing trace with hash -7455167, now seen corresponding path program 2 times [2025-03-17 19:33:19,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:19,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241461046] [2025-03-17 19:33:19,749 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:33:19,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:19,758 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 1 equivalence classes. [2025-03-17 19:33:19,761 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-17 19:33:19,762 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:33:19,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:20,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:20,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:20,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241461046] [2025-03-17 19:33:20,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241461046] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:20,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:20,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:20,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532171665] [2025-03-17 19:33:20,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:20,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:20,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:20,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:20,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:20,017 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:20,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 47 transitions, 360 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:20,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:20,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:20,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:20,252 INFO L124 PetriNetUnfolderBase]: 164/373 cut-off events. [2025-03-17 19:33:20,252 INFO L125 PetriNetUnfolderBase]: For 779/779 co-relation queries the response was YES. [2025-03-17 19:33:20,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1285 conditions, 373 events. 164/373 cut-off events. For 779/779 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1586 event pairs, 37 based on Foata normal form. 8/381 useless extension candidates. Maximal degree in co-relation 1274. Up to 151 conditions per place. [2025-03-17 19:33:20,253 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 27 selfloop transitions, 15 changer transitions 27/71 dead transitions. [2025-03-17 19:33:20,253 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 71 transitions, 533 flow [2025-03-17 19:33:20,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 19:33:20,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-17 19:33:20,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 143 transitions. [2025-03-17 19:33:20,253 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.26879699248120303 [2025-03-17 19:33:20,253 INFO L175 Difference]: Start difference. First operand has 96 places, 47 transitions, 360 flow. Second operand 14 states and 143 transitions. [2025-03-17 19:33:20,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 71 transitions, 533 flow [2025-03-17 19:33:20,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 71 transitions, 462 flow, removed 0 selfloop flow, removed 13 redundant places. [2025-03-17 19:33:20,255 INFO L231 Difference]: Finished difference. Result has 83 places, 36 transitions, 229 flow [2025-03-17 19:33:20,255 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=229, PETRI_PLACES=83, PETRI_TRANSITIONS=36} [2025-03-17 19:33:20,255 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 44 predicate places. [2025-03-17 19:33:20,255 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 36 transitions, 229 flow [2025-03-17 19:33:20,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:20,255 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:20,255 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:20,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-03-17 19:33:20,256 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:20,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:20,256 INFO L85 PathProgramCache]: Analyzing trace with hash 598260929, now seen corresponding path program 3 times [2025-03-17 19:33:20,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:20,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484406391] [2025-03-17 19:33:20,256 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 19:33:20,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:20,270 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 18 statements into 1 equivalence classes. [2025-03-17 19:33:20,273 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-17 19:33:20,273 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-17 19:33:20,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:20,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:20,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:20,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484406391] [2025-03-17 19:33:20,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484406391] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:20,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:20,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:20,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858605634] [2025-03-17 19:33:20,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:20,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:20,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:20,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:20,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:20,525 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:20,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 36 transitions, 229 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:20,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:20,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:20,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:20,732 INFO L124 PetriNetUnfolderBase]: 86/209 cut-off events. [2025-03-17 19:33:20,732 INFO L125 PetriNetUnfolderBase]: For 247/247 co-relation queries the response was YES. [2025-03-17 19:33:20,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 685 conditions, 209 events. 86/209 cut-off events. For 247/247 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 730 event pairs, 24 based on Foata normal form. 8/216 useless extension candidates. Maximal degree in co-relation 676. Up to 83 conditions per place. [2025-03-17 19:33:20,733 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 20 selfloop transitions, 13 changer transitions 21/56 dead transitions. [2025-03-17 19:33:20,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 56 transitions, 366 flow [2025-03-17 19:33:20,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 19:33:20,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-17 19:33:20,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 136 transitions. [2025-03-17 19:33:20,733 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2556390977443609 [2025-03-17 19:33:20,733 INFO L175 Difference]: Start difference. First operand has 83 places, 36 transitions, 229 flow. Second operand 14 states and 136 transitions. [2025-03-17 19:33:20,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 56 transitions, 366 flow [2025-03-17 19:33:20,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 56 transitions, 313 flow, removed 0 selfloop flow, removed 13 redundant places. [2025-03-17 19:33:20,734 INFO L231 Difference]: Finished difference. Result has 72 places, 29 transitions, 147 flow [2025-03-17 19:33:20,734 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=147, PETRI_PLACES=72, PETRI_TRANSITIONS=29} [2025-03-17 19:33:20,735 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 33 predicate places. [2025-03-17 19:33:20,735 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 29 transitions, 147 flow [2025-03-17 19:33:20,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:20,735 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:20,735 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:20,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2025-03-17 19:33:20,735 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:20,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:20,735 INFO L85 PathProgramCache]: Analyzing trace with hash -540650175, now seen corresponding path program 4 times [2025-03-17 19:33:20,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:20,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225766057] [2025-03-17 19:33:20,735 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-17 19:33:20,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:20,745 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 18 statements into 2 equivalence classes. [2025-03-17 19:33:20,748 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 18 of 18 statements. [2025-03-17 19:33:20,748 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-17 19:33:20,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:21,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:21,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:21,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225766057] [2025-03-17 19:33:21,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225766057] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:21,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:21,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:21,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156464298] [2025-03-17 19:33:21,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:21,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:21,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:21,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:21,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:21,026 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2025-03-17 19:33:21,027 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 29 transitions, 147 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:21,027 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:21,027 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2025-03-17 19:33:21,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:21,200 INFO L124 PetriNetUnfolderBase]: 42/115 cut-off events. [2025-03-17 19:33:21,200 INFO L125 PetriNetUnfolderBase]: For 70/70 co-relation queries the response was YES. [2025-03-17 19:33:21,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 316 conditions, 115 events. 42/115 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 302 event pairs, 0 based on Foata normal form. 8/123 useless extension candidates. Maximal degree in co-relation 308. Up to 34 conditions per place. [2025-03-17 19:33:21,201 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 0 selfloop transitions, 0 changer transitions 44/44 dead transitions. [2025-03-17 19:33:21,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 44 transitions, 253 flow [2025-03-17 19:33:21,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 19:33:21,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-17 19:33:21,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 119 transitions. [2025-03-17 19:33:21,201 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2408906882591093 [2025-03-17 19:33:21,201 INFO L175 Difference]: Start difference. First operand has 72 places, 29 transitions, 147 flow. Second operand 13 states and 119 transitions. [2025-03-17 19:33:21,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 44 transitions, 253 flow [2025-03-17 19:33:21,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 44 transitions, 220 flow, removed 0 selfloop flow, removed 12 redundant places. [2025-03-17 19:33:21,202 INFO L231 Difference]: Finished difference. Result has 54 places, 0 transitions, 0 flow [2025-03-17 19:33:21,202 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=54, PETRI_TRANSITIONS=0} [2025-03-17 19:33:21,202 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 15 predicate places. [2025-03-17 19:33:21,202 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 0 transitions, 0 flow [2025-03-17 19:33:21,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:21,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2025-03-17 19:33:21,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2025-03-17 19:33:21,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2025-03-17 19:33:21,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2025-03-17 19:33:21,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2025-03-17 19:33:21,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2025-03-17 19:33:21,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2025-03-17 19:33:21,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2025-03-17 19:33:21,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-03-17 19:33:21,205 INFO L422 BasicCegarLoop]: Path program histogram: [10, 5, 5, 5, 4, 3, 3, 1, 1, 1] [2025-03-17 19:33:21,208 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-17 19:33:21,208 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 19:33:21,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 07:33:21 BasicIcfg [2025-03-17 19:33:21,212 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 19:33:21,213 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 19:33:21,213 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 19:33:21,213 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 19:33:21,214 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:32:48" (3/4) ... [2025-03-17 19:33:21,215 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 19:33:21,216 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure my_callback [2025-03-17 19:33:21,220 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 124 nodes and edges [2025-03-17 19:33:21,221 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2025-03-17 19:33:21,221 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-03-17 19:33:21,221 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 19:33:21,285 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 19:33:21,285 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 19:33:21,285 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 19:33:21,287 INFO L158 Benchmark]: Toolchain (without parser) took 33426.83ms. Allocated memory was 142.6MB in the beginning and 788.5MB in the end (delta: 645.9MB). Free memory was 108.1MB in the beginning and 589.5MB in the end (delta: -481.4MB). Peak memory consumption was 162.4MB. Max. memory is 16.1GB. [2025-03-17 19:33:21,287 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 19:33:21,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.51ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 77.5MB in the end (delta: 30.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-17 19:33:21,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.75ms. Allocated memory is still 142.6MB. Free memory was 77.5MB in the beginning and 75.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 19:33:21,289 INFO L158 Benchmark]: Boogie Preprocessor took 30.98ms. Allocated memory is still 142.6MB. Free memory was 75.1MB in the beginning and 72.0MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 19:33:21,290 INFO L158 Benchmark]: IcfgBuilder took 615.81ms. Allocated memory is still 142.6MB. Free memory was 72.0MB in the beginning and 89.7MB in the end (delta: -17.8MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2025-03-17 19:33:21,290 INFO L158 Benchmark]: TraceAbstraction took 32281.55ms. Allocated memory was 142.6MB in the beginning and 788.5MB in the end (delta: 645.9MB). Free memory was 88.9MB in the beginning and 593.6MB in the end (delta: -504.7MB). Peak memory consumption was 137.8MB. Max. memory is 16.1GB. [2025-03-17 19:33:21,290 INFO L158 Benchmark]: Witness Printer took 72.28ms. Allocated memory is still 788.5MB. Free memory was 593.6MB in the beginning and 589.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 19:33:21,291 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.51ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 77.5MB in the end (delta: 30.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.75ms. Allocated memory is still 142.6MB. Free memory was 77.5MB in the beginning and 75.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.98ms. Allocated memory is still 142.6MB. Free memory was 75.1MB in the beginning and 72.0MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 615.81ms. Allocated memory is still 142.6MB. Free memory was 72.0MB in the beginning and 89.7MB in the end (delta: -17.8MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * TraceAbstraction took 32281.55ms. Allocated memory was 142.6MB in the beginning and 788.5MB in the end (delta: 645.9MB). Free memory was 88.9MB in the beginning and 593.6MB in the end (delta: -504.7MB). Peak memory consumption was 137.8MB. Max. memory is 16.1GB. * Witness Printer took 72.28ms. Allocated memory is still 788.5MB. Free memory was 593.6MB in the beginning and 589.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3905]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3905]: 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 4 procedures, 48 locations, 51 edges, 8 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: 32.2s, OverallIterations: 38, TraceHistogramMax: 1, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 20.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3750 SdHoareTripleChecker+Valid, 8.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3537 mSDsluCounter, 3867 SdHoareTripleChecker+Invalid, 7.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3727 mSDsCounter, 563 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15546 IncrementalHoareTripleChecker+Invalid, 16109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 563 mSolverCounterUnsat, 140 mSDtfsCounter, 15546 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 697 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 657 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1853 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2958occurred in iteration=22, InterpolantAutomatonStates: 600, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.8s InterpolantComputationTime, 567 NumberOfCodeBlocks, 567 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 529 ConstructedInterpolants, 0 QuantifiedInterpolants, 6498 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 38 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-17 19:33:21,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE