./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-races/race-2_2-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_2-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 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 19:32:45,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 19:32:46,033 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 19:32:46,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 19:32:46,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 19:32:46,057 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 19:32:46,058 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 19:32:46,058 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 19:32:46,058 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 19:32:46,058 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 19:32:46,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 19:32:46,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 19:32:46,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 19:32:46,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 19:32:46,059 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 19:32:46,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 19:32:46,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 19:32:46,059 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 19:32:46,059 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 19:32:46,059 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 19:32:46,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 19:32:46,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 19:32:46,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 19:32:46,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 19:32:46,060 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 19:32:46,060 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 19:32:46,060 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 19:32:46,060 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 19:32:46,060 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 19:32:46,060 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 19:32:46,060 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 19:32:46,060 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 19:32:46,060 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 19:32:46,060 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 19:32:46,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:32:46,060 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 19:32:46,060 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 19:32:46,060 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 19:32:46,060 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 19:32:46,061 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 19:32:46,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 19:32:46,061 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 19:32:46,061 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 19:32:46,061 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 19:32:46,061 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 19:32:46,061 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 -> 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 [2025-03-17 19:32:46,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 19:32:46,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 19:32:46,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 19:32:46,293 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 19:32:46,293 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 19:32:46,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2025-03-17 19:32:47,450 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee7224802/6436193092e7407d8656f00271a80b78/FLAG61cd2d090 [2025-03-17 19:32:47,753 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 19:32:47,754 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2025-03-17 19:32:47,780 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee7224802/6436193092e7407d8656f00271a80b78/FLAG61cd2d090 [2025-03-17 19:32:48,022 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee7224802/6436193092e7407d8656f00271a80b78 [2025-03-17 19:32:48,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 19:32:48,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 19:32:48,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 19:32:48,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 19:32:48,029 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 19:32:48,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:32:48" (1/1) ... [2025-03-17 19:32:48,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f635327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:32:48, skipping insertion in model container [2025-03-17 19:32:48,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:32:48" (1/1) ... [2025-03-17 19:32:48,071 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 19:32:48,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:32:48,337 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 19:32:48,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:32:48,436 INFO L204 MainTranslator]: Completed translation [2025-03-17 19:32:48,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:32:48 WrapperNode [2025-03-17 19:32:48,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 19:32:48,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 19:32:48,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 19:32:48,439 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 19:32:48,444 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 19:32:48,461 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 19:32:48,477 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 11, calls inlined = 14, statements flattened = 120 [2025-03-17 19:32:48,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 19:32:48,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 19:32:48,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 19:32:48,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 19:32:48,484 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 19:32:48,484 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 19:32:48,487 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 19:32:48,499 INFO L175 MemorySlicer]: Split 15 memory accesses to 3 slices as follows [2, 2, 11]. 73 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, 2, 6]. [2025-03-17 19:32:48,499 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 19:32:48,500 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 19:32:48,508 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 19:32:48,509 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 19:32:48,511 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 19:32:48,512 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 19:32:48,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 19:32:48,516 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 19:32:48,516 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 19:32:48,516 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 19:32:48,517 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 19:32:48,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:32:48,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:32:48,552 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 19:32:48,553 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 19:32:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2025-03-17 19:32:48,570 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2025-03-17 19:32:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-17 19:32:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 19:32:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 19:32:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-17 19:32:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 19:32:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 19:32:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 19:32:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 19:32:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 19:32:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 19:32:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 19:32:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 19:32:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 19:32:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 19:32:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 19:32:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 19:32:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 19:32:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 19:32:48,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 19:32:48,572 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 19:32:48,792 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 19:32:48,793 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 19:32:48,985 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-17 19:32:48,986 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 19:32:49,150 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 19:32:49,150 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 19:32:49,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:32:49 BoogieIcfgContainer [2025-03-17 19:32:49,151 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 19:32:49,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 19:32:49,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 19:32:49,159 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 19:32:49,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:32:48" (1/3) ... [2025-03-17 19:32:49,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f89f380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:32:49, skipping insertion in model container [2025-03-17 19:32:49,161 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 19:32:49,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f89f380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:32:49, skipping insertion in model container [2025-03-17 19:32:49,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:32:49" (3/3) ... [2025-03-17 19:32:49,162 INFO L128 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2025-03-17 19:32:49,175 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 19:32:49,176 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-2_2-container_of.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-03-17 19:32:49,177 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-17 19:32:49,233 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-17 19:32:49,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 34 transitions, 82 flow [2025-03-17 19:32:49,316 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2025-03-17 19:32:49,317 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-17 19:32:49,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 37 events. 2/37 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 77 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 21. Up to 3 conditions per place. [2025-03-17 19:32:49,319 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 34 transitions, 82 flow [2025-03-17 19:32:49,321 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 65 flow [2025-03-17 19:32:49,326 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 19:32:49,338 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;@520e3616, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 19:32:49,338 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-17 19:32:49,343 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 19:32:49,343 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2025-03-17 19:32:49,343 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 19:32:49,344 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:49,344 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:49,344 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 19:32:49,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:49,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1950603561, now seen corresponding path program 1 times [2025-03-17 19:32:49,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:49,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284770305] [2025-03-17 19:32:49,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:32:49,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:49,471 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-17 19:32:49,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-17 19:32:49,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:32:49,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:50,082 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 19:32:50,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:50,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284770305] [2025-03-17 19:32:50,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284770305] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:50,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:50,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 19:32:50,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946703233] [2025-03-17 19:32:50,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:50,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 19:32:50,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:50,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 19:32:50,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 19:32:50,113 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:32:50,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 65 flow. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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 19:32:50,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:50,115 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:32:50,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:50,567 INFO L124 PetriNetUnfolderBase]: 769/1306 cut-off events. [2025-03-17 19:32:50,568 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2025-03-17 19:32:50,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2638 conditions, 1306 events. 769/1306 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 6475 event pairs, 347 based on Foata normal form. 0/1086 useless extension candidates. Maximal degree in co-relation 2568. Up to 850 conditions per place. [2025-03-17 19:32:50,579 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 20 changer transitions 2/86 dead transitions. [2025-03-17 19:32:50,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 86 transitions, 366 flow [2025-03-17 19:32:50,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 19:32:50,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-17 19:32:50,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 129 transitions. [2025-03-17 19:32:50,591 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.37941176470588234 [2025-03-17 19:32:50,593 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 65 flow. Second operand 10 states and 129 transitions. [2025-03-17 19:32:50,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 86 transitions, 366 flow [2025-03-17 19:32:50,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 86 transitions, 355 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-17 19:32:50,599 INFO L231 Difference]: Finished difference. Result has 46 places, 48 transitions, 188 flow [2025-03-17 19:32:50,601 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=188, PETRI_PLACES=46, PETRI_TRANSITIONS=48} [2025-03-17 19:32:50,604 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 11 predicate places. [2025-03-17 19:32:50,605 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 48 transitions, 188 flow [2025-03-17 19:32:50,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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 19:32:50,605 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:50,605 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:50,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 19:32:50,606 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 19:32:50,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:50,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1727157151, now seen corresponding path program 1 times [2025-03-17 19:32:50,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:50,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298864898] [2025-03-17 19:32:50,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:32:50,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:50,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-17 19:32:50,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-17 19:32:50,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:32:50,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:50,983 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 19:32:50,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:50,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298864898] [2025-03-17 19:32:50,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298864898] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:50,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:50,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 19:32:50,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014917457] [2025-03-17 19:32:50,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:50,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 19:32:50,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:50,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 19:32:50,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 19:32:50,986 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:32:50,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 48 transitions, 188 flow. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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 19:32:50,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:50,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:32:50,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:51,351 INFO L124 PetriNetUnfolderBase]: 899/1554 cut-off events. [2025-03-17 19:32:51,352 INFO L125 PetriNetUnfolderBase]: For 756/756 co-relation queries the response was YES. [2025-03-17 19:32:51,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3993 conditions, 1554 events. 899/1554 cut-off events. For 756/756 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 8231 event pairs, 533 based on Foata normal form. 0/1372 useless extension candidates. Maximal degree in co-relation 3585. Up to 1126 conditions per place. [2025-03-17 19:32:51,363 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 64 selfloop transitions, 27 changer transitions 4/96 dead transitions. [2025-03-17 19:32:51,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 96 transitions, 550 flow [2025-03-17 19:32:51,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 19:32:51,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-17 19:32:51,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 125 transitions. [2025-03-17 19:32:51,366 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.36764705882352944 [2025-03-17 19:32:51,366 INFO L175 Difference]: Start difference. First operand has 46 places, 48 transitions, 188 flow. Second operand 10 states and 125 transitions. [2025-03-17 19:32:51,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 96 transitions, 550 flow [2025-03-17 19:32:51,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 96 transitions, 548 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 19:32:51,372 INFO L231 Difference]: Finished difference. Result has 58 places, 64 transitions, 344 flow [2025-03-17 19:32:51,373 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=344, PETRI_PLACES=58, PETRI_TRANSITIONS=64} [2025-03-17 19:32:51,373 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 23 predicate places. [2025-03-17 19:32:51,374 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 64 transitions, 344 flow [2025-03-17 19:32:51,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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 19:32:51,374 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:51,375 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:51,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 19:32:51,375 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 19:32:51,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:51,376 INFO L85 PathProgramCache]: Analyzing trace with hash 23124202, now seen corresponding path program 1 times [2025-03-17 19:32:51,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:51,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679749137] [2025-03-17 19:32:51,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:32:51,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:51,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 19:32:51,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 19:32:51,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:32:51,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:51,856 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 19:32:51,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:51,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679749137] [2025-03-17 19:32:51,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679749137] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:51,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:51,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-17 19:32:51,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123710850] [2025-03-17 19:32:51,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:51,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 19:32:51,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:51,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 19:32:51,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:32:51,858 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:32:51,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 64 transitions, 344 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 19:32:51,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:51,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:32:51,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:52,422 INFO L124 PetriNetUnfolderBase]: 1385/2406 cut-off events. [2025-03-17 19:32:52,423 INFO L125 PetriNetUnfolderBase]: For 2397/2397 co-relation queries the response was YES. [2025-03-17 19:32:52,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7248 conditions, 2406 events. 1385/2406 cut-off events. For 2397/2397 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 14215 event pairs, 625 based on Foata normal form. 58/2304 useless extension candidates. Maximal degree in co-relation 4622. Up to 1524 conditions per place. [2025-03-17 19:32:52,438 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 98 selfloop transitions, 49 changer transitions 7/155 dead transitions. [2025-03-17 19:32:52,439 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 155 transitions, 1108 flow [2025-03-17 19:32:52,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 19:32:52,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-17 19:32:52,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 154 transitions. [2025-03-17 19:32:52,442 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.37745098039215685 [2025-03-17 19:32:52,442 INFO L175 Difference]: Start difference. First operand has 58 places, 64 transitions, 344 flow. Second operand 12 states and 154 transitions. [2025-03-17 19:32:52,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 155 transitions, 1108 flow [2025-03-17 19:32:52,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 155 transitions, 1108 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-17 19:32:52,456 INFO L231 Difference]: Finished difference. Result has 77 places, 104 transitions, 806 flow [2025-03-17 19:32:52,456 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=344, 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=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=806, PETRI_PLACES=77, PETRI_TRANSITIONS=104} [2025-03-17 19:32:52,457 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 42 predicate places. [2025-03-17 19:32:52,457 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 104 transitions, 806 flow [2025-03-17 19:32:52,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 19:32:52,457 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:52,457 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:52,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 19:32:52,457 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 19:32:52,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:52,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1933028510, now seen corresponding path program 1 times [2025-03-17 19:32:52,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:52,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721802342] [2025-03-17 19:32:52,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:32:52,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:52,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 19:32:52,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 19:32:52,485 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:32:52,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:52,850 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 19:32:52,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:52,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721802342] [2025-03-17 19:32:52,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721802342] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:52,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:52,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-17 19:32:52,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593434881] [2025-03-17 19:32:52,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:52,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 19:32:52,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:52,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 19:32:52,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:32:52,853 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:32:52,853 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 104 transitions, 806 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 19:32:52,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:52,853 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:32:52,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:53,784 INFO L124 PetriNetUnfolderBase]: 1656/2895 cut-off events. [2025-03-17 19:32:53,784 INFO L125 PetriNetUnfolderBase]: For 8244/8252 co-relation queries the response was YES. [2025-03-17 19:32:53,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11049 conditions, 2895 events. 1656/2895 cut-off events. For 8244/8252 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 17937 event pairs, 711 based on Foata normal form. 62/2769 useless extension candidates. Maximal degree in co-relation 10738. Up to 1646 conditions per place. [2025-03-17 19:32:53,802 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 107 selfloop transitions, 98 changer transitions 5/211 dead transitions. [2025-03-17 19:32:53,803 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 211 transitions, 1926 flow [2025-03-17 19:32:53,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-17 19:32:53,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-03-17 19:32:53,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 235 transitions. [2025-03-17 19:32:53,805 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3141711229946524 [2025-03-17 19:32:53,805 INFO L175 Difference]: Start difference. First operand has 77 places, 104 transitions, 806 flow. Second operand 22 states and 235 transitions. [2025-03-17 19:32:53,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 211 transitions, 1926 flow [2025-03-17 19:32:53,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 211 transitions, 1897 flow, removed 10 selfloop flow, removed 2 redundant places. [2025-03-17 19:32:53,821 INFO L231 Difference]: Finished difference. Result has 104 places, 146 transitions, 1447 flow [2025-03-17 19:32:53,821 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=789, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1447, PETRI_PLACES=104, PETRI_TRANSITIONS=146} [2025-03-17 19:32:53,822 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 69 predicate places. [2025-03-17 19:32:53,822 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 146 transitions, 1447 flow [2025-03-17 19:32:53,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 19:32:53,822 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:53,822 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:53,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 19:32:53,822 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 19:32:53,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:53,823 INFO L85 PathProgramCache]: Analyzing trace with hash -425528482, now seen corresponding path program 2 times [2025-03-17 19:32:53,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:53,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091851488] [2025-03-17 19:32:53,823 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:32:53,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:53,836 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 12 statements into 1 equivalence classes. [2025-03-17 19:32:53,845 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 19:32:53,845 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:32:53,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:54,162 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 19:32:54,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:54,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091851488] [2025-03-17 19:32:54,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091851488] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:54,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:54,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-17 19:32:54,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118167759] [2025-03-17 19:32:54,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:54,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 19:32:54,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:54,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 19:32:54,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:32:54,163 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:32:54,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 146 transitions, 1447 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 19:32:54,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:54,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:32:54,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:54,963 INFO L124 PetriNetUnfolderBase]: 1952/3475 cut-off events. [2025-03-17 19:32:54,963 INFO L125 PetriNetUnfolderBase]: For 16734/16736 co-relation queries the response was YES. [2025-03-17 19:32:54,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15361 conditions, 3475 events. 1952/3475 cut-off events. For 16734/16736 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 22748 event pairs, 1105 based on Foata normal form. 52/3319 useless extension candidates. Maximal degree in co-relation 15130. Up to 2295 conditions per place. [2025-03-17 19:32:54,987 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 144 selfloop transitions, 93 changer transitions 7/245 dead transitions. [2025-03-17 19:32:54,987 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 245 transitions, 2704 flow [2025-03-17 19:32:54,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-17 19:32:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-17 19:32:54,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 219 transitions. [2025-03-17 19:32:54,988 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3220588235294118 [2025-03-17 19:32:54,988 INFO L175 Difference]: Start difference. First operand has 104 places, 146 transitions, 1447 flow. Second operand 20 states and 219 transitions. [2025-03-17 19:32:54,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 245 transitions, 2704 flow [2025-03-17 19:32:55,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 245 transitions, 2576 flow, removed 30 selfloop flow, removed 7 redundant places. [2025-03-17 19:32:55,017 INFO L231 Difference]: Finished difference. Result has 122 places, 185 transitions, 2034 flow [2025-03-17 19:32:55,017 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1343, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2034, PETRI_PLACES=122, PETRI_TRANSITIONS=185} [2025-03-17 19:32:55,017 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 87 predicate places. [2025-03-17 19:32:55,018 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 185 transitions, 2034 flow [2025-03-17 19:32:55,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 19:32:55,018 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:55,018 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:55,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 19:32:55,018 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 19:32:55,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:55,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1933028734, now seen corresponding path program 2 times [2025-03-17 19:32:55,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:55,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021077510] [2025-03-17 19:32:55,020 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:32:55,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:55,033 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 12 statements into 1 equivalence classes. [2025-03-17 19:32:55,044 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 19:32:55,044 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:32:55,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:55,311 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 19:32:55,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:55,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021077510] [2025-03-17 19:32:55,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021077510] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:55,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:55,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-17 19:32:55,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037089106] [2025-03-17 19:32:55,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:55,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 19:32:55,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:55,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 19:32:55,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:32:55,313 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:32:55,313 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 185 transitions, 2034 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 19:32:55,313 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:55,313 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:32:55,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:56,040 INFO L124 PetriNetUnfolderBase]: 1983/3568 cut-off events. [2025-03-17 19:32:56,041 INFO L125 PetriNetUnfolderBase]: For 21699/21701 co-relation queries the response was YES. [2025-03-17 19:32:56,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16815 conditions, 3568 events. 1983/3568 cut-off events. For 21699/21701 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 23789 event pairs, 1126 based on Foata normal form. 70/3430 useless extension candidates. Maximal degree in co-relation 16557. Up to 2140 conditions per place. [2025-03-17 19:32:56,070 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 142 selfloop transitions, 85 changer transitions 12/240 dead transitions. [2025-03-17 19:32:56,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 240 transitions, 2937 flow [2025-03-17 19:32:56,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 19:32:56,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-17 19:32:56,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 170 transitions. [2025-03-17 19:32:56,072 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2025-03-17 19:32:56,072 INFO L175 Difference]: Start difference. First operand has 122 places, 185 transitions, 2034 flow. Second operand 15 states and 170 transitions. [2025-03-17 19:32:56,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 240 transitions, 2937 flow [2025-03-17 19:32:56,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 240 transitions, 2753 flow, removed 67 selfloop flow, removed 5 redundant places. [2025-03-17 19:32:56,118 INFO L231 Difference]: Finished difference. Result has 134 places, 190 transitions, 2154 flow [2025-03-17 19:32:56,119 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1894, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2154, PETRI_PLACES=134, PETRI_TRANSITIONS=190} [2025-03-17 19:32:56,119 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 99 predicate places. [2025-03-17 19:32:56,119 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 190 transitions, 2154 flow [2025-03-17 19:32:56,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 19:32:56,120 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:56,120 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:56,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 19:32:56,120 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 19:32:56,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:56,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1739089324, now seen corresponding path program 3 times [2025-03-17 19:32:56,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:56,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198975801] [2025-03-17 19:32:56,121 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 19:32:56,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:56,136 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 12 statements into 1 equivalence classes. [2025-03-17 19:32:56,141 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 19:32:56,141 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-17 19:32:56,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:56,383 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 19:32:56,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:56,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198975801] [2025-03-17 19:32:56,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198975801] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:56,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:56,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-17 19:32:56,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056332814] [2025-03-17 19:32:56,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:56,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 19:32:56,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:56,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 19:32:56,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:32:56,385 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:32:56,385 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 190 transitions, 2154 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 19:32:56,385 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:56,385 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:32:56,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:57,223 INFO L124 PetriNetUnfolderBase]: 1851/3349 cut-off events. [2025-03-17 19:32:57,223 INFO L125 PetriNetUnfolderBase]: For 21466/21468 co-relation queries the response was YES. [2025-03-17 19:32:57,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16246 conditions, 3349 events. 1851/3349 cut-off events. For 21466/21468 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 22338 event pairs, 953 based on Foata normal form. 74/3239 useless extension candidates. Maximal degree in co-relation 15962. Up to 1967 conditions per place. [2025-03-17 19:32:57,251 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 155 selfloop transitions, 118 changer transitions 11/285 dead transitions. [2025-03-17 19:32:57,251 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 285 transitions, 3556 flow [2025-03-17 19:32:57,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-17 19:32:57,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-17 19:32:57,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 214 transitions. [2025-03-17 19:32:57,253 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.33126934984520123 [2025-03-17 19:32:57,253 INFO L175 Difference]: Start difference. First operand has 134 places, 190 transitions, 2154 flow. Second operand 19 states and 214 transitions. [2025-03-17 19:32:57,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 285 transitions, 3556 flow [2025-03-17 19:32:57,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 285 transitions, 3360 flow, removed 27 selfloop flow, removed 10 redundant places. [2025-03-17 19:32:57,293 INFO L231 Difference]: Finished difference. Result has 150 places, 216 transitions, 2680 flow [2025-03-17 19:32:57,293 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1980, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2680, PETRI_PLACES=150, PETRI_TRANSITIONS=216} [2025-03-17 19:32:57,294 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 115 predicate places. [2025-03-17 19:32:57,294 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 216 transitions, 2680 flow [2025-03-17 19:32:57,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 19:32:57,294 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:57,294 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:57,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 19:32:57,294 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 19:32:57,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:57,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1733726720, now seen corresponding path program 3 times [2025-03-17 19:32:57,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:57,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776120820] [2025-03-17 19:32:57,295 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 19:32:57,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:57,307 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 12 statements into 1 equivalence classes. [2025-03-17 19:32:57,312 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 19:32:57,312 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-17 19:32:57,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:57,573 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 19:32:57,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:57,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776120820] [2025-03-17 19:32:57,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776120820] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:57,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:57,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-17 19:32:57,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662746863] [2025-03-17 19:32:57,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:57,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 19:32:57,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:57,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 19:32:57,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:32:57,576 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:32:57,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 216 transitions, 2680 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 19:32:57,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:57,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:32:57,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:58,422 INFO L124 PetriNetUnfolderBase]: 1849/3417 cut-off events. [2025-03-17 19:32:58,422 INFO L125 PetriNetUnfolderBase]: For 27597/27599 co-relation queries the response was YES. [2025-03-17 19:32:58,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17837 conditions, 3417 events. 1849/3417 cut-off events. For 27597/27599 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 23268 event pairs, 1146 based on Foata normal form. 54/3293 useless extension candidates. Maximal degree in co-relation 17407. Up to 1990 conditions per place. [2025-03-17 19:32:58,457 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 152 selfloop transitions, 116 changer transitions 7/276 dead transitions. [2025-03-17 19:32:58,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 276 transitions, 3662 flow [2025-03-17 19:32:58,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-17 19:32:58,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-17 19:32:58,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 220 transitions. [2025-03-17 19:32:58,461 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3235294117647059 [2025-03-17 19:32:58,461 INFO L175 Difference]: Start difference. First operand has 150 places, 216 transitions, 2680 flow. Second operand 20 states and 220 transitions. [2025-03-17 19:32:58,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 276 transitions, 3662 flow [2025-03-17 19:32:58,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 276 transitions, 3424 flow, removed 50 selfloop flow, removed 13 redundant places. [2025-03-17 19:32:58,535 INFO L231 Difference]: Finished difference. Result has 159 places, 223 transitions, 2850 flow [2025-03-17 19:32:58,536 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2470, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2850, PETRI_PLACES=159, PETRI_TRANSITIONS=223} [2025-03-17 19:32:58,536 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 124 predicate places. [2025-03-17 19:32:58,536 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 223 transitions, 2850 flow [2025-03-17 19:32:58,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 19:32:58,536 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:58,536 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:58,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 19:32:58,537 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 19:32:58,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:58,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1387412965, now seen corresponding path program 1 times [2025-03-17 19:32:58,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:58,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314017033] [2025-03-17 19:32:58,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:32:58,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:58,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:32:58,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:32:58,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:32:58,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:58,919 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 19:32:58,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:58,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314017033] [2025-03-17 19:32:58,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314017033] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:58,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:58,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:32:58,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406005746] [2025-03-17 19:32:58,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:58,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:32:58,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:58,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:32:58,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:32:58,921 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:32:58,921 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 223 transitions, 2850 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:32:58,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:58,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:32:58,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:59,683 INFO L124 PetriNetUnfolderBase]: 1759/3217 cut-off events. [2025-03-17 19:32:59,683 INFO L125 PetriNetUnfolderBase]: For 26322/26324 co-relation queries the response was YES. [2025-03-17 19:32:59,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17552 conditions, 3217 events. 1759/3217 cut-off events. For 26322/26324 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 21464 event pairs, 459 based on Foata normal form. 0/3039 useless extension candidates. Maximal degree in co-relation 16918. Up to 1637 conditions per place. [2025-03-17 19:32:59,708 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 222 selfloop transitions, 73 changer transitions 11/307 dead transitions. [2025-03-17 19:32:59,708 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 307 transitions, 4146 flow [2025-03-17 19:32:59,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-17 19:32:59,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-17 19:32:59,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 190 transitions. [2025-03-17 19:32:59,710 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.328719723183391 [2025-03-17 19:32:59,710 INFO L175 Difference]: Start difference. First operand has 159 places, 223 transitions, 2850 flow. Second operand 17 states and 190 transitions. [2025-03-17 19:32:59,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 307 transitions, 4146 flow [2025-03-17 19:32:59,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 307 transitions, 3886 flow, removed 12 selfloop flow, removed 14 redundant places. [2025-03-17 19:32:59,801 INFO L231 Difference]: Finished difference. Result has 171 places, 244 transitions, 3176 flow [2025-03-17 19:32:59,802 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2595, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=3176, PETRI_PLACES=171, PETRI_TRANSITIONS=244} [2025-03-17 19:32:59,803 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 136 predicate places. [2025-03-17 19:32:59,803 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 244 transitions, 3176 flow [2025-03-17 19:32:59,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:32:59,804 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:59,804 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:59,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 19:32:59,804 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:32:59,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:59,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1387412964, now seen corresponding path program 1 times [2025-03-17 19:32:59,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:59,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441820634] [2025-03-17 19:32:59,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:32:59,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:59,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:32:59,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:32:59,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:32:59,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:00,214 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 19:33:00,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:00,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441820634] [2025-03-17 19:33:00,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441820634] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:00,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:00,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:00,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954328113] [2025-03-17 19:33:00,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:00,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:00,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:00,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:00,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:00,217 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:00,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 244 transitions, 3176 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:00,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:00,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:00,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:01,123 INFO L124 PetriNetUnfolderBase]: 1784/3312 cut-off events. [2025-03-17 19:33:01,124 INFO L125 PetriNetUnfolderBase]: For 42848/42850 co-relation queries the response was YES. [2025-03-17 19:33:01,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19042 conditions, 3312 events. 1784/3312 cut-off events. For 42848/42850 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 22494 event pairs, 530 based on Foata normal form. 74/3302 useless extension candidates. Maximal degree in co-relation 18587. Up to 1690 conditions per place. [2025-03-17 19:33:01,148 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 202 selfloop transitions, 132 changer transitions 20/355 dead transitions. [2025-03-17 19:33:01,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 355 transitions, 4867 flow [2025-03-17 19:33:01,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-17 19:33:01,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-03-17 19:33:01,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 233 transitions. [2025-03-17 19:33:01,150 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3114973262032086 [2025-03-17 19:33:01,150 INFO L175 Difference]: Start difference. First operand has 171 places, 244 transitions, 3176 flow. Second operand 22 states and 233 transitions. [2025-03-17 19:33:01,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 355 transitions, 4867 flow [2025-03-17 19:33:01,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 355 transitions, 4478 flow, removed 133 selfloop flow, removed 8 redundant places. [2025-03-17 19:33:01,275 INFO L231 Difference]: Finished difference. Result has 187 places, 267 transitions, 3505 flow [2025-03-17 19:33:01,275 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2819, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=3505, PETRI_PLACES=187, PETRI_TRANSITIONS=267} [2025-03-17 19:33:01,276 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 152 predicate places. [2025-03-17 19:33:01,276 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 267 transitions, 3505 flow [2025-03-17 19:33:01,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:01,276 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:01,276 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:01,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-17 19:33:01,277 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 19:33:01,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:01,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1053157945, now seen corresponding path program 2 times [2025-03-17 19:33:01,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:01,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687840728] [2025-03-17 19:33:01,277 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:33:01,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:01,287 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:33:01,292 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:01,293 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:33:01,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:01,595 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 19:33:01,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:01,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687840728] [2025-03-17 19:33:01,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687840728] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:01,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:01,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:01,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964162500] [2025-03-17 19:33:01,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:01,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:01,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:01,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:01,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:01,596 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:01,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 267 transitions, 3505 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:01,597 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:01,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:01,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:02,366 INFO L124 PetriNetUnfolderBase]: 1678/3227 cut-off events. [2025-03-17 19:33:02,366 INFO L125 PetriNetUnfolderBase]: For 45566/45568 co-relation queries the response was YES. [2025-03-17 19:33:02,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18932 conditions, 3227 events. 1678/3227 cut-off events. For 45566/45568 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 22883 event pairs, 661 based on Foata normal form. 28/3171 useless extension candidates. Maximal degree in co-relation 18476. Up to 2195 conditions per place. [2025-03-17 19:33:02,387 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 286 selfloop transitions, 78 changer transitions 14/379 dead transitions. [2025-03-17 19:33:02,387 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 379 transitions, 5304 flow [2025-03-17 19:33:02,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-17 19:33:02,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-17 19:33:02,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 218 transitions. [2025-03-17 19:33:02,395 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.33746130030959753 [2025-03-17 19:33:02,395 INFO L175 Difference]: Start difference. First operand has 187 places, 267 transitions, 3505 flow. Second operand 19 states and 218 transitions. [2025-03-17 19:33:02,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 379 transitions, 5304 flow [2025-03-17 19:33:02,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 379 transitions, 5036 flow, removed 87 selfloop flow, removed 10 redundant places. [2025-03-17 19:33:02,534 INFO L231 Difference]: Finished difference. Result has 205 places, 293 transitions, 3992 flow [2025-03-17 19:33:02,534 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3339, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=3992, PETRI_PLACES=205, PETRI_TRANSITIONS=293} [2025-03-17 19:33:02,535 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 170 predicate places. [2025-03-17 19:33:02,535 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 293 transitions, 3992 flow [2025-03-17 19:33:02,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:02,536 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:02,536 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:02,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-17 19:33:02,536 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 19:33:02,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:02,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1054945405, now seen corresponding path program 3 times [2025-03-17 19:33:02,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:02,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056412561] [2025-03-17 19:33:02,537 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 19:33:02,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:02,548 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:33:02,556 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:02,558 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-17 19:33:02,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:02,890 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 19:33:02,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:02,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056412561] [2025-03-17 19:33:02,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056412561] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:02,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:02,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:02,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204005009] [2025-03-17 19:33:02,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:02,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:02,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:02,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:02,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:02,892 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:02,892 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 293 transitions, 3992 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:02,893 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:02,893 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:02,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:03,801 INFO L124 PetriNetUnfolderBase]: 1638/3162 cut-off events. [2025-03-17 19:33:03,801 INFO L125 PetriNetUnfolderBase]: For 43274/43276 co-relation queries the response was YES. [2025-03-17 19:33:03,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18689 conditions, 3162 events. 1638/3162 cut-off events. For 43274/43276 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 22371 event pairs, 533 based on Foata normal form. 28/3106 useless extension candidates. Maximal degree in co-relation 18259. Up to 1395 conditions per place. [2025-03-17 19:33:03,825 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 275 selfloop transitions, 97 changer transitions 16/389 dead transitions. [2025-03-17 19:33:03,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 389 transitions, 5546 flow [2025-03-17 19:33:03,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-17 19:33:03,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-17 19:33:03,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 228 transitions. [2025-03-17 19:33:03,826 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.35294117647058826 [2025-03-17 19:33:03,826 INFO L175 Difference]: Start difference. First operand has 205 places, 293 transitions, 3992 flow. Second operand 19 states and 228 transitions. [2025-03-17 19:33:03,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 389 transitions, 5546 flow [2025-03-17 19:33:03,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 389 transitions, 5443 flow, removed 28 selfloop flow, removed 5 redundant places. [2025-03-17 19:33:03,965 INFO L231 Difference]: Finished difference. Result has 224 places, 303 transitions, 4364 flow [2025-03-17 19:33:03,966 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3901, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4364, PETRI_PLACES=224, PETRI_TRANSITIONS=303} [2025-03-17 19:33:03,967 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 189 predicate places. [2025-03-17 19:33:03,967 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 303 transitions, 4364 flow [2025-03-17 19:33:03,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:03,967 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:03,967 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:03,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-17 19:33:03,967 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:03,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:03,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1738905987, now seen corresponding path program 1 times [2025-03-17 19:33:03,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:03,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340662804] [2025-03-17 19:33:03,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:33:03,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:03,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:33:03,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:03,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:03,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:04,037 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 19:33:04,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:04,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340662804] [2025-03-17 19:33:04,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340662804] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:04,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:04,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 19:33:04,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319062162] [2025-03-17 19:33:04,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:04,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:33:04,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:04,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:33:04,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:33:04,040 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 34 [2025-03-17 19:33:04,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 303 transitions, 4364 flow. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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 19:33:04,040 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:04,040 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 34 [2025-03-17 19:33:04,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:04,315 INFO L124 PetriNetUnfolderBase]: 857/1674 cut-off events. [2025-03-17 19:33:04,315 INFO L125 PetriNetUnfolderBase]: For 22027/22027 co-relation queries the response was YES. [2025-03-17 19:33:04,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9703 conditions, 1674 events. 857/1674 cut-off events. For 22027/22027 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 10685 event pairs, 196 based on Foata normal form. 0/1634 useless extension candidates. Maximal degree in co-relation 9507. Up to 1099 conditions per place. [2025-03-17 19:33:04,328 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 275 selfloop transitions, 37 changer transitions 20/332 dead transitions. [2025-03-17 19:33:04,329 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 332 transitions, 5506 flow [2025-03-17 19:33:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:33:04,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-17 19:33:04,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 66 transitions. [2025-03-17 19:33:04,330 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4852941176470588 [2025-03-17 19:33:04,330 INFO L175 Difference]: Start difference. First operand has 224 places, 303 transitions, 4364 flow. Second operand 4 states and 66 transitions. [2025-03-17 19:33:04,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 332 transitions, 5506 flow [2025-03-17 19:33:04,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 332 transitions, 5094 flow, removed 73 selfloop flow, removed 17 redundant places. [2025-03-17 19:33:04,401 INFO L231 Difference]: Finished difference. Result has 205 places, 217 transitions, 2894 flow [2025-03-17 19:33:04,401 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3044, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=2894, PETRI_PLACES=205, PETRI_TRANSITIONS=217} [2025-03-17 19:33:04,402 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 170 predicate places. [2025-03-17 19:33:04,402 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 217 transitions, 2894 flow [2025-03-17 19:33:04,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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 19:33:04,402 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:04,402 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:04,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-17 19:33:04,402 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:04,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:04,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1781153844, now seen corresponding path program 1 times [2025-03-17 19:33:04,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:04,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847321923] [2025-03-17 19:33:04,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:33:04,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:04,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:33:04,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:04,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:04,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:04,756 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 19:33:04,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:04,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847321923] [2025-03-17 19:33:04,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847321923] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:04,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:04,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-17 19:33:04,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507883459] [2025-03-17 19:33:04,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:04,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 19:33:04,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:04,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 19:33:04,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2025-03-17 19:33:04,758 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:04,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 217 transitions, 2894 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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 19:33:04,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:04,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:04,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:05,466 INFO L124 PetriNetUnfolderBase]: 861/1678 cut-off events. [2025-03-17 19:33:05,466 INFO L125 PetriNetUnfolderBase]: For 16201/16201 co-relation queries the response was YES. [2025-03-17 19:33:05,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9637 conditions, 1678 events. 861/1678 cut-off events. For 16201/16201 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 10215 event pairs, 286 based on Foata normal form. 0/1654 useless extension candidates. Maximal degree in co-relation 9558. Up to 600 conditions per place. [2025-03-17 19:33:05,478 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 194 selfloop transitions, 102 changer transitions 11/307 dead transitions. [2025-03-17 19:33:05,479 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 307 transitions, 4321 flow [2025-03-17 19:33:05,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-17 19:33:05,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-03-17 19:33:05,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 224 transitions. [2025-03-17 19:33:05,480 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2864450127877238 [2025-03-17 19:33:05,480 INFO L175 Difference]: Start difference. First operand has 205 places, 217 transitions, 2894 flow. Second operand 23 states and 224 transitions. [2025-03-17 19:33:05,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 307 transitions, 4321 flow [2025-03-17 19:33:05,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 307 transitions, 4225 flow, removed 9 selfloop flow, removed 7 redundant places. [2025-03-17 19:33:05,536 INFO L231 Difference]: Finished difference. Result has 216 places, 230 transitions, 3330 flow [2025-03-17 19:33:05,536 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2838, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=3330, PETRI_PLACES=216, PETRI_TRANSITIONS=230} [2025-03-17 19:33:05,536 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 181 predicate places. [2025-03-17 19:33:05,536 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 230 transitions, 3330 flow [2025-03-17 19:33:05,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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 19:33:05,537 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:05,537 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:05,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-17 19:33:05,537 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 19:33:05,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:05,537 INFO L85 PathProgramCache]: Analyzing trace with hash -916327243, now seen corresponding path program 4 times [2025-03-17 19:33:05,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:05,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187751682] [2025-03-17 19:33:05,537 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-17 19:33:05,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:05,548 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 14 statements into 2 equivalence classes. [2025-03-17 19:33:05,553 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:05,557 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-17 19:33:05,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:05,753 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 19:33:05,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:05,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187751682] [2025-03-17 19:33:05,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187751682] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:05,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:05,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 19:33:05,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054710890] [2025-03-17 19:33:05,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:05,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 19:33:05,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:05,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 19:33:05,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-17 19:33:05,755 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:05,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 230 transitions, 3330 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 19:33:05,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:05,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:05,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:06,313 INFO L124 PetriNetUnfolderBase]: 963/1898 cut-off events. [2025-03-17 19:33:06,313 INFO L125 PetriNetUnfolderBase]: For 20144/20144 co-relation queries the response was YES. [2025-03-17 19:33:06,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10740 conditions, 1898 events. 963/1898 cut-off events. For 20144/20144 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 12127 event pairs, 163 based on Foata normal form. 26/1924 useless extension candidates. Maximal degree in co-relation 10273. Up to 589 conditions per place. [2025-03-17 19:33:06,344 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 216 selfloop transitions, 100 changer transitions 7/323 dead transitions. [2025-03-17 19:33:06,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 323 transitions, 4672 flow [2025-03-17 19:33:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-17 19:33:06,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-17 19:33:06,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 209 transitions. [2025-03-17 19:33:06,345 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3415032679738562 [2025-03-17 19:33:06,345 INFO L175 Difference]: Start difference. First operand has 216 places, 230 transitions, 3330 flow. Second operand 18 states and 209 transitions. [2025-03-17 19:33:06,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 323 transitions, 4672 flow [2025-03-17 19:33:06,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 323 transitions, 4549 flow, removed 13 selfloop flow, removed 11 redundant places. [2025-03-17 19:33:06,403 INFO L231 Difference]: Finished difference. Result has 227 places, 248 transitions, 3702 flow [2025-03-17 19:33:06,403 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3215, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=3702, PETRI_PLACES=227, PETRI_TRANSITIONS=248} [2025-03-17 19:33:06,403 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 192 predicate places. [2025-03-17 19:33:06,403 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 248 transitions, 3702 flow [2025-03-17 19:33:06,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 19:33:06,404 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:06,404 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:06,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-17 19:33:06,404 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:06,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:06,404 INFO L85 PathProgramCache]: Analyzing trace with hash -910964862, now seen corresponding path program 2 times [2025-03-17 19:33:06,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:06,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191277703] [2025-03-17 19:33:06,404 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:33:06,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:06,413 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:33:06,417 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:06,417 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:33:06,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:06,685 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 19:33:06,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:06,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191277703] [2025-03-17 19:33:06,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191277703] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:06,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:06,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:06,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997438432] [2025-03-17 19:33:06,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:06,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:06,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:06,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:06,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:06,687 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:06,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 248 transitions, 3702 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:06,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:06,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:06,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:07,256 INFO L124 PetriNetUnfolderBase]: 939/1860 cut-off events. [2025-03-17 19:33:07,257 INFO L125 PetriNetUnfolderBase]: For 23404/23404 co-relation queries the response was YES. [2025-03-17 19:33:07,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11158 conditions, 1860 events. 939/1860 cut-off events. For 23404/23404 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 11885 event pairs, 399 based on Foata normal form. 16/1876 useless extension candidates. Maximal degree in co-relation 10984. Up to 1331 conditions per place. [2025-03-17 19:33:07,268 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 191 selfloop transitions, 66 changer transitions 29/286 dead transitions. [2025-03-17 19:33:07,268 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 286 transitions, 4490 flow [2025-03-17 19:33:07,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-17 19:33:07,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-17 19:33:07,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 165 transitions. [2025-03-17 19:33:07,269 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.30330882352941174 [2025-03-17 19:33:07,269 INFO L175 Difference]: Start difference. First operand has 227 places, 248 transitions, 3702 flow. Second operand 16 states and 165 transitions. [2025-03-17 19:33:07,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 286 transitions, 4490 flow [2025-03-17 19:33:07,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 286 transitions, 4362 flow, removed 56 selfloop flow, removed 3 redundant places. [2025-03-17 19:33:07,365 INFO L231 Difference]: Finished difference. Result has 241 places, 238 transitions, 3594 flow [2025-03-17 19:33:07,365 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3559, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=3594, PETRI_PLACES=241, PETRI_TRANSITIONS=238} [2025-03-17 19:33:07,365 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 206 predicate places. [2025-03-17 19:33:07,365 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 238 transitions, 3594 flow [2025-03-17 19:33:07,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:07,365 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:07,365 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:07,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-17 19:33:07,366 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 19:33:07,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:07,366 INFO L85 PathProgramCache]: Analyzing trace with hash -910749823, now seen corresponding path program 1 times [2025-03-17 19:33:07,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:07,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175216941] [2025-03-17 19:33:07,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:33:07,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:07,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:33:07,382 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:07,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:07,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:07,623 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 19:33:07,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:07,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175216941] [2025-03-17 19:33:07,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175216941] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:07,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:07,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 19:33:07,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448162465] [2025-03-17 19:33:07,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:07,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 19:33:07,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:07,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 19:33:07,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-17 19:33:07,625 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:07,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 238 transitions, 3594 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 19:33:07,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:07,625 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:07,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:08,159 INFO L124 PetriNetUnfolderBase]: 876/1731 cut-off events. [2025-03-17 19:33:08,160 INFO L125 PetriNetUnfolderBase]: For 21070/21070 co-relation queries the response was YES. [2025-03-17 19:33:08,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10309 conditions, 1731 events. 876/1731 cut-off events. For 21070/21070 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 10796 event pairs, 168 based on Foata normal form. 16/1747 useless extension candidates. Maximal degree in co-relation 10161. Up to 416 conditions per place. [2025-03-17 19:33:08,174 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 172 selfloop transitions, 82 changer transitions 40/294 dead transitions. [2025-03-17 19:33:08,174 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 294 transitions, 4554 flow [2025-03-17 19:33:08,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-17 19:33:08,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-17 19:33:08,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 193 transitions. [2025-03-17 19:33:08,176 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.315359477124183 [2025-03-17 19:33:08,176 INFO L175 Difference]: Start difference. First operand has 241 places, 238 transitions, 3594 flow. Second operand 18 states and 193 transitions. [2025-03-17 19:33:08,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 294 transitions, 4554 flow [2025-03-17 19:33:08,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 294 transitions, 4336 flow, removed 24 selfloop flow, removed 17 redundant places. [2025-03-17 19:33:08,260 INFO L231 Difference]: Finished difference. Result has 236 places, 209 transitions, 3134 flow [2025-03-17 19:33:08,261 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3382, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=3134, PETRI_PLACES=236, PETRI_TRANSITIONS=209} [2025-03-17 19:33:08,261 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 201 predicate places. [2025-03-17 19:33:08,261 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 209 transitions, 3134 flow [2025-03-17 19:33:08,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 19:33:08,262 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:08,262 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:08,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-17 19:33:08,262 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 19:33:08,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:08,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1056729343, now seen corresponding path program 5 times [2025-03-17 19:33:08,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:08,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353931898] [2025-03-17 19:33:08,264 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-17 19:33:08,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:08,277 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:33:08,284 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:08,284 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:33:08,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:08,582 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 19:33:08,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:08,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353931898] [2025-03-17 19:33:08,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353931898] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:08,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:08,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:08,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768444655] [2025-03-17 19:33:08,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:08,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:08,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:08,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:08,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:08,583 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:08,583 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 209 transitions, 3134 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:08,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:08,583 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:08,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:09,073 INFO L124 PetriNetUnfolderBase]: 783/1554 cut-off events. [2025-03-17 19:33:09,074 INFO L125 PetriNetUnfolderBase]: For 17581/17581 co-relation queries the response was YES. [2025-03-17 19:33:09,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9031 conditions, 1554 events. 783/1554 cut-off events. For 17581/17581 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 9510 event pairs, 314 based on Foata normal form. 16/1570 useless extension candidates. Maximal degree in co-relation 8872. Up to 1154 conditions per place. [2025-03-17 19:33:09,085 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 186 selfloop transitions, 51 changer transitions 11/248 dead transitions. [2025-03-17 19:33:09,085 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 248 transitions, 3755 flow [2025-03-17 19:33:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 19:33:09,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-17 19:33:09,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 160 transitions. [2025-03-17 19:33:09,086 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3137254901960784 [2025-03-17 19:33:09,086 INFO L175 Difference]: Start difference. First operand has 236 places, 209 transitions, 3134 flow. Second operand 15 states and 160 transitions. [2025-03-17 19:33:09,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 248 transitions, 3755 flow [2025-03-17 19:33:09,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 248 transitions, 3514 flow, removed 29 selfloop flow, removed 20 redundant places. [2025-03-17 19:33:09,147 INFO L231 Difference]: Finished difference. Result has 220 places, 205 transitions, 2955 flow [2025-03-17 19:33:09,147 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2894, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2955, PETRI_PLACES=220, PETRI_TRANSITIONS=205} [2025-03-17 19:33:09,147 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 185 predicate places. [2025-03-17 19:33:09,147 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 205 transitions, 2955 flow [2025-03-17 19:33:09,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:09,147 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:09,147 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:09,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-17 19:33:09,148 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:09,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:09,148 INFO L85 PathProgramCache]: Analyzing trace with hash -335704668, now seen corresponding path program 2 times [2025-03-17 19:33:09,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:09,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348440231] [2025-03-17 19:33:09,148 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:33:09,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:09,157 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:33:09,161 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:09,161 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:33:09,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:09,422 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 19:33:09,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:09,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348440231] [2025-03-17 19:33:09,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348440231] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:09,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:09,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:09,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938922763] [2025-03-17 19:33:09,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:09,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:09,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:09,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:09,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:09,424 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:09,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 205 transitions, 2955 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:09,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:09,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:09,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:10,217 INFO L124 PetriNetUnfolderBase]: 799/1594 cut-off events. [2025-03-17 19:33:10,217 INFO L125 PetriNetUnfolderBase]: For 16320/16320 co-relation queries the response was YES. [2025-03-17 19:33:10,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9084 conditions, 1594 events. 799/1594 cut-off events. For 16320/16320 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 9823 event pairs, 239 based on Foata normal form. 16/1610 useless extension candidates. Maximal degree in co-relation 8931. Up to 754 conditions per place. [2025-03-17 19:33:10,230 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 169 selfloop transitions, 105 changer transitions 11/285 dead transitions. [2025-03-17 19:33:10,230 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 285 transitions, 4203 flow [2025-03-17 19:33:10,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-17 19:33:10,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2025-03-17 19:33:10,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 239 transitions. [2025-03-17 19:33:10,232 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2703619909502262 [2025-03-17 19:33:10,232 INFO L175 Difference]: Start difference. First operand has 220 places, 205 transitions, 2955 flow. Second operand 26 states and 239 transitions. [2025-03-17 19:33:10,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 285 transitions, 4203 flow [2025-03-17 19:33:10,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 285 transitions, 4096 flow, removed 13 selfloop flow, removed 8 redundant places. [2025-03-17 19:33:10,289 INFO L231 Difference]: Finished difference. Result has 244 places, 218 transitions, 3372 flow [2025-03-17 19:33:10,290 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2851, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=3372, PETRI_PLACES=244, PETRI_TRANSITIONS=218} [2025-03-17 19:33:10,290 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 209 predicate places. [2025-03-17 19:33:10,290 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 218 transitions, 3372 flow [2025-03-17 19:33:10,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:10,291 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:10,291 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:10,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-17 19:33:10,291 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 19:33:10,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:10,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1886488429, now seen corresponding path program 6 times [2025-03-17 19:33:10,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:10,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408842303] [2025-03-17 19:33:10,292 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-17 19:33:10,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:10,304 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:33:10,309 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:10,310 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-17 19:33:10,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:10,471 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 19:33:10,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:10,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408842303] [2025-03-17 19:33:10,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408842303] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:10,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:10,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 19:33:10,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220051184] [2025-03-17 19:33:10,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:10,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 19:33:10,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:10,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 19:33:10,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-17 19:33:10,473 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:10,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 218 transitions, 3372 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 19:33:10,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:10,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:10,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:11,019 INFO L124 PetriNetUnfolderBase]: 815/1646 cut-off events. [2025-03-17 19:33:11,019 INFO L125 PetriNetUnfolderBase]: For 18343/18343 co-relation queries the response was YES. [2025-03-17 19:33:11,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9402 conditions, 1646 events. 815/1646 cut-off events. For 18343/18343 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 10404 event pairs, 108 based on Foata normal form. 48/1694 useless extension candidates. Maximal degree in co-relation 9245. Up to 480 conditions per place. [2025-03-17 19:33:11,031 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 163 selfloop transitions, 107 changer transitions 7/277 dead transitions. [2025-03-17 19:33:11,032 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 277 transitions, 4330 flow [2025-03-17 19:33:11,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-17 19:33:11,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-17 19:33:11,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 186 transitions. [2025-03-17 19:33:11,032 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3217993079584775 [2025-03-17 19:33:11,032 INFO L175 Difference]: Start difference. First operand has 244 places, 218 transitions, 3372 flow. Second operand 17 states and 186 transitions. [2025-03-17 19:33:11,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 277 transitions, 4330 flow [2025-03-17 19:33:11,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 277 transitions, 4230 flow, removed 17 selfloop flow, removed 11 redundant places. [2025-03-17 19:33:11,090 INFO L231 Difference]: Finished difference. Result has 253 places, 224 transitions, 3676 flow [2025-03-17 19:33:11,091 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3280, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=3676, PETRI_PLACES=253, PETRI_TRANSITIONS=224} [2025-03-17 19:33:11,091 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 218 predicate places. [2025-03-17 19:33:11,091 INFO L471 AbstractCegarLoop]: Abstraction has has 253 places, 224 transitions, 3676 flow [2025-03-17 19:33:11,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 19:33:11,091 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:11,091 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:11,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-17 19:33:11,091 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 19:33:11,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:11,091 INFO L85 PathProgramCache]: Analyzing trace with hash -479896729, now seen corresponding path program 7 times [2025-03-17 19:33:11,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:11,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089716332] [2025-03-17 19:33:11,092 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-17 19:33:11,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:11,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:33:11,103 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:11,103 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:11,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:11,357 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 19:33:11,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:11,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089716332] [2025-03-17 19:33:11,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089716332] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:11,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:11,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:11,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222501945] [2025-03-17 19:33:11,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:11,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:11,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:11,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:11,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:11,358 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:11,358 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 224 transitions, 3676 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:11,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:11,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:11,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:11,935 INFO L124 PetriNetUnfolderBase]: 947/1938 cut-off events. [2025-03-17 19:33:11,936 INFO L125 PetriNetUnfolderBase]: For 25850/25850 co-relation queries the response was YES. [2025-03-17 19:33:11,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11633 conditions, 1938 events. 947/1938 cut-off events. For 25850/25850 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 12823 event pairs, 303 based on Foata normal form. 22/1960 useless extension candidates. Maximal degree in co-relation 11454. Up to 961 conditions per place. [2025-03-17 19:33:11,951 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 212 selfloop transitions, 83 changer transitions 9/304 dead transitions. [2025-03-17 19:33:11,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 304 transitions, 5067 flow [2025-03-17 19:33:11,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-17 19:33:11,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-17 19:33:11,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 195 transitions. [2025-03-17 19:33:11,952 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3018575851393189 [2025-03-17 19:33:11,952 INFO L175 Difference]: Start difference. First operand has 253 places, 224 transitions, 3676 flow. Second operand 19 states and 195 transitions. [2025-03-17 19:33:11,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 304 transitions, 5067 flow [2025-03-17 19:33:12,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 304 transitions, 4911 flow, removed 27 selfloop flow, removed 9 redundant places. [2025-03-17 19:33:12,038 INFO L231 Difference]: Finished difference. Result has 268 places, 238 transitions, 4081 flow [2025-03-17 19:33:12,038 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3542, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4081, PETRI_PLACES=268, PETRI_TRANSITIONS=238} [2025-03-17 19:33:12,039 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 233 predicate places. [2025-03-17 19:33:12,039 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 238 transitions, 4081 flow [2025-03-17 19:33:12,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:12,039 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:12,039 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:12,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-17 19:33:12,039 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:12,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:12,039 INFO L85 PathProgramCache]: Analyzing trace with hash 689540516, now seen corresponding path program 3 times [2025-03-17 19:33:12,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:12,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274799763] [2025-03-17 19:33:12,039 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 19:33:12,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:12,048 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:33:12,052 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:12,052 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-17 19:33:12,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:12,313 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 19:33:12,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:12,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274799763] [2025-03-17 19:33:12,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274799763] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:12,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:12,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:12,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693948488] [2025-03-17 19:33:12,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:12,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:12,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:12,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:12,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:12,315 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:12,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 238 transitions, 4081 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:12,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:12,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:12,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:13,014 INFO L124 PetriNetUnfolderBase]: 939/1922 cut-off events. [2025-03-17 19:33:13,014 INFO L125 PetriNetUnfolderBase]: For 27693/27693 co-relation queries the response was YES. [2025-03-17 19:33:13,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11758 conditions, 1922 events. 939/1922 cut-off events. For 27693/27693 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 12763 event pairs, 356 based on Foata normal form. 38/1960 useless extension candidates. Maximal degree in co-relation 11397. Up to 957 conditions per place. [2025-03-17 19:33:13,027 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 191 selfloop transitions, 77 changer transitions 48/316 dead transitions. [2025-03-17 19:33:13,027 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 316 transitions, 5511 flow [2025-03-17 19:33:13,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-17 19:33:13,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-03-17 19:33:13,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 217 transitions. [2025-03-17 19:33:13,028 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2774936061381074 [2025-03-17 19:33:13,028 INFO L175 Difference]: Start difference. First operand has 268 places, 238 transitions, 4081 flow. Second operand 23 states and 217 transitions. [2025-03-17 19:33:13,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 316 transitions, 5511 flow [2025-03-17 19:33:13,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 316 transitions, 5271 flow, removed 27 selfloop flow, removed 11 redundant places. [2025-03-17 19:33:13,119 INFO L231 Difference]: Finished difference. Result has 281 places, 224 transitions, 3813 flow [2025-03-17 19:33:13,119 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3776, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=3813, PETRI_PLACES=281, PETRI_TRANSITIONS=224} [2025-03-17 19:33:13,119 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 246 predicate places. [2025-03-17 19:33:13,119 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 224 transitions, 3813 flow [2025-03-17 19:33:13,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:13,120 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:13,120 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:13,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-17 19:33:13,120 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 19:33:13,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:13,120 INFO L85 PathProgramCache]: Analyzing trace with hash -481684189, now seen corresponding path program 8 times [2025-03-17 19:33:13,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:13,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337330271] [2025-03-17 19:33:13,120 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:33:13,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:13,128 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:33:13,131 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:13,131 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:33:13,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:13,368 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 19:33:13,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:13,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337330271] [2025-03-17 19:33:13,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337330271] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:13,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:13,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:13,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594048054] [2025-03-17 19:33:13,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:13,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:13,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:13,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:13,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:13,369 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:13,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 224 transitions, 3813 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:13,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:13,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:13,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:13,855 INFO L124 PetriNetUnfolderBase]: 798/1625 cut-off events. [2025-03-17 19:33:13,856 INFO L125 PetriNetUnfolderBase]: For 21823/21823 co-relation queries the response was YES. [2025-03-17 19:33:13,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9898 conditions, 1625 events. 798/1625 cut-off events. For 21823/21823 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 10255 event pairs, 266 based on Foata normal form. 22/1647 useless extension candidates. Maximal degree in co-relation 9555. Up to 892 conditions per place. [2025-03-17 19:33:13,867 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 183 selfloop transitions, 77 changer transitions 10/270 dead transitions. [2025-03-17 19:33:13,868 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 270 transitions, 4634 flow [2025-03-17 19:33:13,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-17 19:33:13,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-17 19:33:13,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 165 transitions. [2025-03-17 19:33:13,869 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.30330882352941174 [2025-03-17 19:33:13,869 INFO L175 Difference]: Start difference. First operand has 281 places, 224 transitions, 3813 flow. Second operand 16 states and 165 transitions. [2025-03-17 19:33:13,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 270 transitions, 4634 flow [2025-03-17 19:33:13,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 270 transitions, 4335 flow, removed 35 selfloop flow, removed 20 redundant places. [2025-03-17 19:33:13,942 INFO L231 Difference]: Finished difference. Result has 270 places, 225 transitions, 3763 flow [2025-03-17 19:33:13,942 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3534, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=3763, PETRI_PLACES=270, PETRI_TRANSITIONS=225} [2025-03-17 19:33:13,942 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 235 predicate places. [2025-03-17 19:33:13,942 INFO L471 AbstractCegarLoop]: Abstraction has has 270 places, 225 transitions, 3763 flow [2025-03-17 19:33:13,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:13,943 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:13,943 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:13,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-17 19:33:13,943 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 19:33:13,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:13,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1886273389, now seen corresponding path program 2 times [2025-03-17 19:33:13,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:13,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589316506] [2025-03-17 19:33:13,946 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:33:13,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:13,955 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:33:13,959 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:13,959 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:33:13,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:14,191 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 19:33:14,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:14,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589316506] [2025-03-17 19:33:14,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589316506] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:14,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:14,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 19:33:14,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636001719] [2025-03-17 19:33:14,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:14,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 19:33:14,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:14,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 19:33:14,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-17 19:33:14,192 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:14,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 225 transitions, 3763 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 19:33:14,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:14,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:14,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:14,650 INFO L124 PetriNetUnfolderBase]: 780/1591 cut-off events. [2025-03-17 19:33:14,650 INFO L125 PetriNetUnfolderBase]: For 17788/17788 co-relation queries the response was YES. [2025-03-17 19:33:14,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9501 conditions, 1591 events. 780/1591 cut-off events. For 17788/17788 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 10078 event pairs, 134 based on Foata normal form. 16/1607 useless extension candidates. Maximal degree in co-relation 9121. Up to 650 conditions per place. [2025-03-17 19:33:14,662 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 156 selfloop transitions, 115 changer transitions 0/271 dead transitions. [2025-03-17 19:33:14,662 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 271 transitions, 4613 flow [2025-03-17 19:33:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-17 19:33:14,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-17 19:33:14,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 176 transitions. [2025-03-17 19:33:14,663 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2875816993464052 [2025-03-17 19:33:14,663 INFO L175 Difference]: Start difference. First operand has 270 places, 225 transitions, 3763 flow. Second operand 18 states and 176 transitions. [2025-03-17 19:33:14,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 271 transitions, 4613 flow [2025-03-17 19:33:14,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 271 transitions, 4438 flow, removed 12 selfloop flow, removed 10 redundant places. [2025-03-17 19:33:14,729 INFO L231 Difference]: Finished difference. Result has 282 places, 232 transitions, 3977 flow [2025-03-17 19:33:14,729 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3590, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=3977, PETRI_PLACES=282, PETRI_TRANSITIONS=232} [2025-03-17 19:33:14,729 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 247 predicate places. [2025-03-17 19:33:14,729 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 232 transitions, 3977 flow [2025-03-17 19:33:14,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 19:33:14,730 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:14,730 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:14,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-17 19:33:14,730 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 19:33:14,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:14,730 INFO L85 PathProgramCache]: Analyzing trace with hash 716299586, now seen corresponding path program 4 times [2025-03-17 19:33:14,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:14,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590832451] [2025-03-17 19:33:14,731 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-17 19:33:14,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:14,738 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 14 statements into 2 equivalence classes. [2025-03-17 19:33:14,741 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:14,742 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-17 19:33:14,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:15,007 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 19:33:15,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:15,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590832451] [2025-03-17 19:33:15,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590832451] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:15,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:15,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:15,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202052345] [2025-03-17 19:33:15,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:15,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:15,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:15,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:15,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:15,008 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:15,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 232 transitions, 3977 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:15,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:15,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:15,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:15,613 INFO L124 PetriNetUnfolderBase]: 750/1533 cut-off events. [2025-03-17 19:33:15,614 INFO L125 PetriNetUnfolderBase]: For 18094/18094 co-relation queries the response was YES. [2025-03-17 19:33:15,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9195 conditions, 1533 events. 750/1533 cut-off events. For 18094/18094 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9579 event pairs, 259 based on Foata normal form. 28/1561 useless extension candidates. Maximal degree in co-relation 8838. Up to 463 conditions per place. [2025-03-17 19:33:15,626 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 149 selfloop transitions, 112 changer transitions 0/261 dead transitions. [2025-03-17 19:33:15,626 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 261 transitions, 4485 flow [2025-03-17 19:33:15,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-17 19:33:15,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-03-17 19:33:15,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 210 transitions. [2025-03-17 19:33:15,627 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.26854219948849106 [2025-03-17 19:33:15,627 INFO L175 Difference]: Start difference. First operand has 282 places, 232 transitions, 3977 flow. Second operand 23 states and 210 transitions. [2025-03-17 19:33:15,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 261 transitions, 4485 flow [2025-03-17 19:33:15,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 261 transitions, 4115 flow, removed 23 selfloop flow, removed 15 redundant places. [2025-03-17 19:33:15,697 INFO L231 Difference]: Finished difference. Result has 287 places, 228 transitions, 3739 flow [2025-03-17 19:33:15,697 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3515, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=112, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=3739, PETRI_PLACES=287, PETRI_TRANSITIONS=228} [2025-03-17 19:33:15,697 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 252 predicate places. [2025-03-17 19:33:15,697 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 228 transitions, 3739 flow [2025-03-17 19:33:15,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:15,697 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:15,697 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:15,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-17 19:33:15,697 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 19:33:15,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:15,698 INFO L85 PathProgramCache]: Analyzing trace with hash 946256066, now seen corresponding path program 3 times [2025-03-17 19:33:15,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:15,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373695225] [2025-03-17 19:33:15,698 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 19:33:15,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:15,707 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:33:15,710 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:15,710 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-17 19:33:15,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:16,030 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 19:33:16,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:16,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373695225] [2025-03-17 19:33:16,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373695225] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:16,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:16,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-03-17 19:33:16,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674555633] [2025-03-17 19:33:16,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:16,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 19:33:16,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:16,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 19:33:16,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2025-03-17 19:33:16,032 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:16,032 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 228 transitions, 3739 flow. Second operand has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 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 19:33:16,032 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:16,032 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:16,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:16,892 INFO L124 PetriNetUnfolderBase]: 782/1597 cut-off events. [2025-03-17 19:33:16,892 INFO L125 PetriNetUnfolderBase]: For 13253/13253 co-relation queries the response was YES. [2025-03-17 19:33:16,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9289 conditions, 1597 events. 782/1597 cut-off events. For 13253/13253 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 10063 event pairs, 209 based on Foata normal form. 8/1605 useless extension candidates. Maximal degree in co-relation 8943. Up to 746 conditions per place. [2025-03-17 19:33:16,904 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 146 selfloop transitions, 122 changer transitions 27/295 dead transitions. [2025-03-17 19:33:16,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 295 transitions, 4710 flow [2025-03-17 19:33:16,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-03-17 19:33:16,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2025-03-17 19:33:16,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 268 transitions. [2025-03-17 19:33:16,905 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.25426944971537 [2025-03-17 19:33:16,905 INFO L175 Difference]: Start difference. First operand has 287 places, 228 transitions, 3739 flow. Second operand 31 states and 268 transitions. [2025-03-17 19:33:16,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 295 transitions, 4710 flow [2025-03-17 19:33:16,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 295 transitions, 4400 flow, removed 21 selfloop flow, removed 26 redundant places. [2025-03-17 19:33:16,953 INFO L231 Difference]: Finished difference. Result has 293 places, 227 transitions, 3672 flow [2025-03-17 19:33:16,954 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3433, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=3672, PETRI_PLACES=293, PETRI_TRANSITIONS=227} [2025-03-17 19:33:16,954 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 258 predicate places. [2025-03-17 19:33:16,954 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 227 transitions, 3672 flow [2025-03-17 19:33:16,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 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 19:33:16,954 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:16,954 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:16,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-03-17 19:33:16,954 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 19:33:16,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:16,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1886273388, now seen corresponding path program 4 times [2025-03-17 19:33:16,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:16,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084887613] [2025-03-17 19:33:16,955 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-17 19:33:16,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:16,963 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 14 statements into 2 equivalence classes. [2025-03-17 19:33:16,966 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:16,966 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-17 19:33:16,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:17,283 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 19:33:17,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:17,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084887613] [2025-03-17 19:33:17,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084887613] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:17,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:17,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-17 19:33:17,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456884468] [2025-03-17 19:33:17,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:17,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 19:33:17,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:17,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 19:33:17,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-17 19:33:17,284 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:17,284 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 227 transitions, 3672 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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 19:33:17,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:17,284 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:17,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:18,026 INFO L124 PetriNetUnfolderBase]: 726/1493 cut-off events. [2025-03-17 19:33:18,026 INFO L125 PetriNetUnfolderBase]: For 11646/11646 co-relation queries the response was YES. [2025-03-17 19:33:18,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8527 conditions, 1493 events. 726/1493 cut-off events. For 11646/11646 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 9301 event pairs, 216 based on Foata normal form. 16/1509 useless extension candidates. Maximal degree in co-relation 8468. Up to 764 conditions per place. [2025-03-17 19:33:18,037 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 118 selfloop transitions, 88 changer transitions 56/262 dead transitions. [2025-03-17 19:33:18,037 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 262 transitions, 4245 flow [2025-03-17 19:33:18,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-03-17 19:33:18,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2025-03-17 19:33:18,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 238 transitions. [2025-03-17 19:33:18,038 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.25925925925925924 [2025-03-17 19:33:18,038 INFO L175 Difference]: Start difference. First operand has 293 places, 227 transitions, 3672 flow. Second operand 27 states and 238 transitions. [2025-03-17 19:33:18,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 262 transitions, 4245 flow [2025-03-17 19:33:18,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 262 transitions, 3963 flow, removed 23 selfloop flow, removed 23 redundant places. [2025-03-17 19:33:18,076 INFO L231 Difference]: Finished difference. Result has 291 places, 184 transitions, 2846 flow [2025-03-17 19:33:18,076 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3343, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=2846, PETRI_PLACES=291, PETRI_TRANSITIONS=184} [2025-03-17 19:33:18,077 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 256 predicate places. [2025-03-17 19:33:18,077 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 184 transitions, 2846 flow [2025-03-17 19:33:18,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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 19:33:18,077 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:18,077 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:18,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-03-17 19:33:18,077 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:18,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:18,078 INFO L85 PathProgramCache]: Analyzing trace with hash -341282089, now seen corresponding path program 9 times [2025-03-17 19:33:18,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:18,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629954616] [2025-03-17 19:33:18,078 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 19:33:18,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:18,087 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:33:18,090 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:18,090 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-17 19:33:18,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:18,221 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 19:33:18,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:18,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629954616] [2025-03-17 19:33:18,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629954616] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:18,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:18,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 19:33:18,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767862755] [2025-03-17 19:33:18,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:18,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 19:33:18,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:18,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 19:33:18,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-17 19:33:18,222 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:18,222 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 184 transitions, 2846 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 19:33:18,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:18,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:18,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:18,641 INFO L124 PetriNetUnfolderBase]: 573/1200 cut-off events. [2025-03-17 19:33:18,642 INFO L125 PetriNetUnfolderBase]: For 7358/7358 co-relation queries the response was YES. [2025-03-17 19:33:18,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6364 conditions, 1200 events. 573/1200 cut-off events. For 7358/7358 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 7326 event pairs, 98 based on Foata normal form. 38/1238 useless extension candidates. Maximal degree in co-relation 6314. Up to 216 conditions per place. [2025-03-17 19:33:18,650 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 126 selfloop transitions, 64 changer transitions 42/232 dead transitions. [2025-03-17 19:33:18,651 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 232 transitions, 3452 flow [2025-03-17 19:33:18,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-17 19:33:18,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-17 19:33:18,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 196 transitions. [2025-03-17 19:33:18,652 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.30340557275541796 [2025-03-17 19:33:18,652 INFO L175 Difference]: Start difference. First operand has 291 places, 184 transitions, 2846 flow. Second operand 19 states and 196 transitions. [2025-03-17 19:33:18,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 232 transitions, 3452 flow [2025-03-17 19:33:18,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 232 transitions, 3092 flow, removed 10 selfloop flow, removed 45 redundant places. [2025-03-17 19:33:18,674 INFO L231 Difference]: Finished difference. Result has 237 places, 146 transitions, 1888 flow [2025-03-17 19:33:18,675 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2463, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1888, PETRI_PLACES=237, PETRI_TRANSITIONS=146} [2025-03-17 19:33:18,675 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 202 predicate places. [2025-03-17 19:33:18,675 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 146 transitions, 1888 flow [2025-03-17 19:33:18,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 19:33:18,675 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:18,675 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:18,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-03-17 19:33:18,675 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:18,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:18,676 INFO L85 PathProgramCache]: Analyzing trace with hash 522575215, now seen corresponding path program 3 times [2025-03-17 19:33:18,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:18,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006036807] [2025-03-17 19:33:18,676 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 19:33:18,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:18,686 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:33:18,689 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:18,689 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-17 19:33:18,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:18,945 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 19:33:18,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:18,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006036807] [2025-03-17 19:33:18,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006036807] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:18,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:18,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:33:18,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443774381] [2025-03-17 19:33:18,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:18,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:33:18,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:18,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:33:18,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:33:18,948 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:18,948 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 146 transitions, 1888 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:18,948 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:18,948 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:18,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:19,389 INFO L124 PetriNetUnfolderBase]: 413/882 cut-off events. [2025-03-17 19:33:19,389 INFO L125 PetriNetUnfolderBase]: For 3948/3948 co-relation queries the response was YES. [2025-03-17 19:33:19,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4426 conditions, 882 events. 413/882 cut-off events. For 3948/3948 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4898 event pairs, 196 based on Foata normal form. 24/906 useless extension candidates. Maximal degree in co-relation 4391. Up to 450 conditions per place. [2025-03-17 19:33:19,393 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 93 selfloop transitions, 34 changer transitions 51/178 dead transitions. [2025-03-17 19:33:19,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 178 transitions, 2310 flow [2025-03-17 19:33:19,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-17 19:33:19,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-03-17 19:33:19,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 193 transitions. [2025-03-17 19:33:19,394 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2580213903743315 [2025-03-17 19:33:19,394 INFO L175 Difference]: Start difference. First operand has 237 places, 146 transitions, 1888 flow. Second operand 22 states and 193 transitions. [2025-03-17 19:33:19,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 178 transitions, 2310 flow [2025-03-17 19:33:19,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 178 transitions, 1945 flow, removed 8 selfloop flow, removed 32 redundant places. [2025-03-17 19:33:19,405 INFO L231 Difference]: Finished difference. Result has 218 places, 105 transitions, 1109 flow [2025-03-17 19:33:19,405 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1519, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1109, PETRI_PLACES=218, PETRI_TRANSITIONS=105} [2025-03-17 19:33:19,406 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 183 predicate places. [2025-03-17 19:33:19,406 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 105 transitions, 1109 flow [2025-03-17 19:33:19,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 19:33:19,406 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:19,406 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:19,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-03-17 19:33:19,406 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 19:33:19,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:19,406 INFO L85 PathProgramCache]: Analyzing trace with hash 957297956, now seen corresponding path program 5 times [2025-03-17 19:33:19,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:19,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894467851] [2025-03-17 19:33:19,407 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-17 19:33:19,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:19,415 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:33:19,418 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:19,418 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:33:19,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:19,673 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 19:33:19,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:19,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894467851] [2025-03-17 19:33:19,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894467851] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:19,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:19,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-17 19:33:19,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977272692] [2025-03-17 19:33:19,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:19,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 19:33:19,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:19,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 19:33:19,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-03-17 19:33:19,674 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:19,674 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 105 transitions, 1109 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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 19:33:19,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:19,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:19,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:20,056 INFO L124 PetriNetUnfolderBase]: 287/632 cut-off events. [2025-03-17 19:33:20,057 INFO L125 PetriNetUnfolderBase]: For 1338/1338 co-relation queries the response was YES. [2025-03-17 19:33:20,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2868 conditions, 632 events. 287/632 cut-off events. For 1338/1338 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 3254 event pairs, 104 based on Foata normal form. 8/640 useless extension candidates. Maximal degree in co-relation 2841. Up to 408 conditions per place. [2025-03-17 19:33:20,059 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 79 selfloop transitions, 47 changer transitions 0/126 dead transitions. [2025-03-17 19:33:20,059 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 126 transitions, 1383 flow [2025-03-17 19:33:20,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-17 19:33:20,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-17 19:33:20,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 148 transitions. [2025-03-17 19:33:20,060 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.22910216718266255 [2025-03-17 19:33:20,060 INFO L175 Difference]: Start difference. First operand has 218 places, 105 transitions, 1109 flow. Second operand 19 states and 148 transitions. [2025-03-17 19:33:20,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 126 transitions, 1383 flow [2025-03-17 19:33:20,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 126 transitions, 1188 flow, removed 6 selfloop flow, removed 34 redundant places. [2025-03-17 19:33:20,064 INFO L231 Difference]: Finished difference. Result has 176 places, 102 transitions, 966 flow [2025-03-17 19:33:20,065 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=872, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=966, PETRI_PLACES=176, PETRI_TRANSITIONS=102} [2025-03-17 19:33:20,065 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 141 predicate places. [2025-03-17 19:33:20,065 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 102 transitions, 966 flow [2025-03-17 19:33:20,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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 19:33:20,065 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:20,065 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:20,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-03-17 19:33:20,065 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:20,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:20,066 INFO L85 PathProgramCache]: Analyzing trace with hash 957297955, now seen corresponding path program 4 times [2025-03-17 19:33:20,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:20,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029486955] [2025-03-17 19:33:20,066 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-17 19:33:20,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:20,073 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 14 statements into 2 equivalence classes. [2025-03-17 19:33:20,076 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:33:20,076 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-17 19:33:20,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:20,364 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 19:33:20,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:20,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029486955] [2025-03-17 19:33:20,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029486955] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:20,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:20,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-17 19:33:20,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032389331] [2025-03-17 19:33:20,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:20,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 19:33:20,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:20,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 19:33:20,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-03-17 19:33:20,365 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:20,365 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 102 transitions, 966 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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 19:33:20,365 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:20,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:20,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:20,802 INFO L124 PetriNetUnfolderBase]: 277/614 cut-off events. [2025-03-17 19:33:20,802 INFO L125 PetriNetUnfolderBase]: For 797/797 co-relation queries the response was YES. [2025-03-17 19:33:20,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2659 conditions, 614 events. 277/614 cut-off events. For 797/797 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 3145 event pairs, 158 based on Foata normal form. 8/618 useless extension candidates. Maximal degree in co-relation 2642. Up to 498 conditions per place. [2025-03-17 19:33:20,804 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 71 selfloop transitions, 21 changer transitions 32/124 dead transitions. [2025-03-17 19:33:20,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 124 transitions, 1267 flow [2025-03-17 19:33:20,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-17 19:33:20,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-17 19:33:20,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 140 transitions. [2025-03-17 19:33:20,805 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.22875816993464052 [2025-03-17 19:33:20,805 INFO L175 Difference]: Start difference. First operand has 176 places, 102 transitions, 966 flow. Second operand 18 states and 140 transitions. [2025-03-17 19:33:20,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 124 transitions, 1267 flow [2025-03-17 19:33:20,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 124 transitions, 1154 flow, removed 3 selfloop flow, removed 19 redundant places. [2025-03-17 19:33:20,808 INFO L231 Difference]: Finished difference. Result has 172 places, 83 transitions, 780 flow [2025-03-17 19:33:20,809 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=848, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=780, PETRI_PLACES=172, PETRI_TRANSITIONS=83} [2025-03-17 19:33:20,809 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 137 predicate places. [2025-03-17 19:33:20,809 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 83 transitions, 780 flow [2025-03-17 19:33:20,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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 19:33:20,809 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:20,809 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:20,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-03-17 19:33:20,809 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 19:33:20,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:20,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1791369021, now seen corresponding path program 1 times [2025-03-17 19:33:20,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:20,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018098951] [2025-03-17 19:33:20,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:33:20,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:20,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-17 19:33:20,820 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 19:33:20,820 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:20,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:21,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:21,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:21,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018098951] [2025-03-17 19:33:21,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018098951] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:33:21,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975111163] [2025-03-17 19:33:21,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:33:21,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:33:21,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:33:21,025 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:33:21,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 19:33:21,121 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-17 19:33:21,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 19:33:21,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:21,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:21,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 53 conjuncts are in the unsatisfiable core [2025-03-17 19:33:21,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:33:21,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2025-03-17 19:33:21,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2025-03-17 19:33:21,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2025-03-17 19:33:21,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-17 19:33:21,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-03-17 19:33:21,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:21,403 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:33:21,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2025-03-17 19:33:21,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:21,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975111163] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:33:21,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:33:21,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9] total 25 [2025-03-17 19:33:21,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853701459] [2025-03-17 19:33:21,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:33:21,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-03-17 19:33:21,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:21,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-03-17 19:33:21,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2025-03-17 19:33:21,654 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:21,654 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 83 transitions, 780 flow. Second operand has 26 states, 26 states have (on average 5.730769230769231) internal successors, (149), 26 states have internal predecessors, (149), 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 19:33:21,654 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:21,654 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:21,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:22,137 INFO L124 PetriNetUnfolderBase]: 230/521 cut-off events. [2025-03-17 19:33:22,137 INFO L125 PetriNetUnfolderBase]: For 611/611 co-relation queries the response was YES. [2025-03-17 19:33:22,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2288 conditions, 521 events. 230/521 cut-off events. For 611/611 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2607 event pairs, 137 based on Foata normal form. 6/527 useless extension candidates. Maximal degree in co-relation 2272. Up to 361 conditions per place. [2025-03-17 19:33:22,139 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 64 selfloop transitions, 26 changer transitions 22/112 dead transitions. [2025-03-17 19:33:22,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 112 transitions, 1105 flow [2025-03-17 19:33:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 19:33:22,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-17 19:33:22,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 127 transitions. [2025-03-17 19:33:22,140 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2668067226890756 [2025-03-17 19:33:22,140 INFO L175 Difference]: Start difference. First operand has 172 places, 83 transitions, 780 flow. Second operand 14 states and 127 transitions. [2025-03-17 19:33:22,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 112 transitions, 1105 flow [2025-03-17 19:33:22,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 112 transitions, 1030 flow, removed 0 selfloop flow, removed 12 redundant places. [2025-03-17 19:33:22,143 INFO L231 Difference]: Finished difference. Result has 141 places, 73 transitions, 638 flow [2025-03-17 19:33:22,143 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=694, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=638, PETRI_PLACES=141, PETRI_TRANSITIONS=73} [2025-03-17 19:33:22,148 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 106 predicate places. [2025-03-17 19:33:22,148 INFO L471 AbstractCegarLoop]: Abstraction has has 141 places, 73 transitions, 638 flow [2025-03-17 19:33:22,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.730769230769231) internal successors, (149), 26 states have internal predecessors, (149), 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 19:33:22,148 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:22,148 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:22,156 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 19:33:22,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2025-03-17 19:33:22,349 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 19:33:22,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:22,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1728647875, now seen corresponding path program 2 times [2025-03-17 19:33:22,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:22,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795198714] [2025-03-17 19:33:22,349 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:33:22,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:22,361 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 2 equivalence classes. [2025-03-17 19:33:22,368 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 19:33:22,368 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 19:33:22,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:22,635 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:33:22,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:22,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795198714] [2025-03-17 19:33:22,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795198714] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:33:22,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515876832] [2025-03-17 19:33:22,635 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:33:22,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:33:22,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:33:22,638 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:33:22,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 19:33:22,733 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 2 equivalence classes. [2025-03-17 19:33:22,757 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 19:33:22,757 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 19:33:22,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:22,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 55 conjuncts are in the unsatisfiable core [2025-03-17 19:33:22,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:33:22,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2025-03-17 19:33:22,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2025-03-17 19:33:22,941 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-17 19:33:22,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 23 [2025-03-17 19:33:22,978 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-17 19:33:22,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 14 [2025-03-17 19:33:22,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-03-17 19:33:22,994 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:22,994 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:33:23,300 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:23,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515876832] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:33:23,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:33:23,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 10] total 27 [2025-03-17 19:33:23,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398806544] [2025-03-17 19:33:23,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:33:23,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-03-17 19:33:23,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:23,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-03-17 19:33:23,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=641, Unknown=0, NotChecked=0, Total=756 [2025-03-17 19:33:23,303 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:23,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 73 transitions, 638 flow. Second operand has 28 states, 28 states have (on average 5.607142857142857) internal successors, (157), 28 states have internal predecessors, (157), 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 19:33:23,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:23,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:23,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:24,362 INFO L124 PetriNetUnfolderBase]: 194/447 cut-off events. [2025-03-17 19:33:24,362 INFO L125 PetriNetUnfolderBase]: For 350/350 co-relation queries the response was YES. [2025-03-17 19:33:24,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1877 conditions, 447 events. 194/447 cut-off events. For 350/350 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2158 event pairs, 26 based on Foata normal form. 24/471 useless extension candidates. Maximal degree in co-relation 1862. Up to 168 conditions per place. [2025-03-17 19:33:24,364 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 37 selfloop transitions, 48 changer transitions 39/124 dead transitions. [2025-03-17 19:33:24,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 124 transitions, 1083 flow [2025-03-17 19:33:24,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-17 19:33:24,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2025-03-17 19:33:24,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 218 transitions. [2025-03-17 19:33:24,364 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.21372549019607842 [2025-03-17 19:33:24,364 INFO L175 Difference]: Start difference. First operand has 141 places, 73 transitions, 638 flow. Second operand 30 states and 218 transitions. [2025-03-17 19:33:24,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 124 transitions, 1083 flow [2025-03-17 19:33:24,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 124 transitions, 962 flow, removed 1 selfloop flow, removed 17 redundant places. [2025-03-17 19:33:24,367 INFO L231 Difference]: Finished difference. Result has 143 places, 68 transitions, 586 flow [2025-03-17 19:33:24,367 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=586, PETRI_PLACES=143, PETRI_TRANSITIONS=68} [2025-03-17 19:33:24,367 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 108 predicate places. [2025-03-17 19:33:24,367 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 68 transitions, 586 flow [2025-03-17 19:33:24,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.607142857142857) internal successors, (157), 28 states have internal predecessors, (157), 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 19:33:24,367 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:24,367 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:24,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 19:33:24,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-03-17 19:33:24,568 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 19:33:24,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:24,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1702950001, now seen corresponding path program 3 times [2025-03-17 19:33:24,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:24,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542613182] [2025-03-17 19:33:24,568 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 19:33:24,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:24,577 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 2 equivalence classes. [2025-03-17 19:33:24,580 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 19:33:24,580 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-17 19:33:24,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:24,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:33:24,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:24,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542613182] [2025-03-17 19:33:24,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542613182] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:33:24,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85209274] [2025-03-17 19:33:24,812 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 19:33:24,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:33:24,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:33:24,814 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:33:24,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 19:33:24,935 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 2 equivalence classes. [2025-03-17 19:33:24,960 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 19:33:24,960 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-17 19:33:24,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:24,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 53 conjuncts are in the unsatisfiable core [2025-03-17 19:33:24,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:33:24,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2025-03-17 19:33:25,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2025-03-17 19:33:25,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2025-03-17 19:33:25,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-17 19:33:25,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-03-17 19:33:25,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:25,163 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:33:25,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2025-03-17 19:33:25,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:33:25,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85209274] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:33:25,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:33:25,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9] total 25 [2025-03-17 19:33:25,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569490685] [2025-03-17 19:33:25,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:33:25,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-03-17 19:33:25,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:25,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-03-17 19:33:25,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2025-03-17 19:33:25,321 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:25,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 68 transitions, 586 flow. Second operand has 26 states, 26 states have (on average 5.730769230769231) internal successors, (149), 26 states have internal predecessors, (149), 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 19:33:25,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:25,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:25,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:25,831 INFO L124 PetriNetUnfolderBase]: 123/294 cut-off events. [2025-03-17 19:33:25,831 INFO L125 PetriNetUnfolderBase]: For 190/190 co-relation queries the response was YES. [2025-03-17 19:33:25,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1317 conditions, 294 events. 123/294 cut-off events. For 190/190 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1192 event pairs, 42 based on Foata normal form. 12/306 useless extension candidates. Maximal degree in co-relation 1304. Up to 129 conditions per place. [2025-03-17 19:33:25,832 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 28 selfloop transitions, 11 changer transitions 67/106 dead transitions. [2025-03-17 19:33:25,832 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 106 transitions, 922 flow [2025-03-17 19:33:25,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-17 19:33:25,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-17 19:33:25,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 168 transitions. [2025-03-17 19:33:25,832 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.23529411764705882 [2025-03-17 19:33:25,832 INFO L175 Difference]: Start difference. First operand has 143 places, 68 transitions, 586 flow. Second operand 21 states and 168 transitions. [2025-03-17 19:33:25,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 106 transitions, 922 flow [2025-03-17 19:33:25,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 106 transitions, 862 flow, removed 5 selfloop flow, removed 12 redundant places. [2025-03-17 19:33:25,834 INFO L231 Difference]: Finished difference. Result has 124 places, 36 transitions, 296 flow [2025-03-17 19:33:25,834 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=296, PETRI_PLACES=124, PETRI_TRANSITIONS=36} [2025-03-17 19:33:25,834 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 89 predicate places. [2025-03-17 19:33:25,835 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 36 transitions, 296 flow [2025-03-17 19:33:25,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.730769230769231) internal successors, (149), 26 states have internal predecessors, (149), 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 19:33:25,835 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:25,835 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:25,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 19:33:26,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:33:26,035 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 19:33:26,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:26,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1808945713, now seen corresponding path program 4 times [2025-03-17 19:33:26,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:26,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404385840] [2025-03-17 19:33:26,036 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-17 19:33:26,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:26,044 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 16 statements into 2 equivalence classes. [2025-03-17 19:33:26,047 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 19:33:26,047 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-17 19:33:26,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:33:26,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:26,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404385840] [2025-03-17 19:33:26,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404385840] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:33:26,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712547378] [2025-03-17 19:33:26,265 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-17 19:33:26,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:33:26,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:33:26,267 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:33:26,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 19:33:26,357 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 16 statements into 2 equivalence classes. [2025-03-17 19:33:26,371 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 19:33:26,371 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-17 19:33:26,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:26,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 53 conjuncts are in the unsatisfiable core [2025-03-17 19:33:26,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:33:26,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2025-03-17 19:33:26,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2025-03-17 19:33:26,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2025-03-17 19:33:26,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-17 19:33:26,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-03-17 19:33:26,586 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:33:26,586 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:33:26,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2025-03-17 19:33:26,755 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:33:26,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712547378] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:33:26,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:33:26,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9] total 25 [2025-03-17 19:33:26,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15529857] [2025-03-17 19:33:26,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:33:26,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-03-17 19:33:26,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:26,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-03-17 19:33:26,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2025-03-17 19:33:26,756 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2025-03-17 19:33:26,757 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 36 transitions, 296 flow. Second operand has 26 states, 26 states have (on average 5.730769230769231) internal successors, (149), 26 states have internal predecessors, (149), 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 19:33:26,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:26,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2025-03-17 19:33:26,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:27,149 INFO L124 PetriNetUnfolderBase]: 50/125 cut-off events. [2025-03-17 19:33:27,149 INFO L125 PetriNetUnfolderBase]: For 108/108 co-relation queries the response was YES. [2025-03-17 19:33:27,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 539 conditions, 125 events. 50/125 cut-off events. For 108/108 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 352 event pairs, 4 based on Foata normal form. 12/137 useless extension candidates. Maximal degree in co-relation 528. Up to 44 conditions per place. [2025-03-17 19:33:27,149 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 0 selfloop transitions, 0 changer transitions 48/48 dead transitions. [2025-03-17 19:33:27,149 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 48 transitions, 408 flow [2025-03-17 19:33:27,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-17 19:33:27,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-17 19:33:27,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 107 transitions. [2025-03-17 19:33:27,150 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.19669117647058823 [2025-03-17 19:33:27,150 INFO L175 Difference]: Start difference. First operand has 124 places, 36 transitions, 296 flow. Second operand 16 states and 107 transitions. [2025-03-17 19:33:27,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 48 transitions, 408 flow [2025-03-17 19:33:27,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 48 transitions, 346 flow, removed 0 selfloop flow, removed 17 redundant places. [2025-03-17 19:33:27,151 INFO L231 Difference]: Finished difference. Result has 77 places, 0 transitions, 0 flow [2025-03-17 19:33:27,151 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=0, PETRI_PLACES=77, PETRI_TRANSITIONS=0} [2025-03-17 19:33:27,151 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 42 predicate places. [2025-03-17 19:33:27,151 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 0 transitions, 0 flow [2025-03-17 19:33:27,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.730769230769231) internal successors, (149), 26 states have internal predecessors, (149), 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 19:33:27,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2025-03-17 19:33:27,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2025-03-17 19:33:27,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2025-03-17 19:33:27,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2025-03-17 19:33:27,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2025-03-17 19:33:27,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2025-03-17 19:33:27,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2025-03-17 19:33:27,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2025-03-17 19:33:27,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 19:33:27,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:33:27,354 INFO L422 BasicCegarLoop]: Path program histogram: [9, 5, 4, 4, 4, 3, 3, 1, 1, 1] [2025-03-17 19:33:27,358 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-17 19:33:27,358 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 19:33:27,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 07:33:27 BasicIcfg [2025-03-17 19:33:27,361 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 19:33:27,361 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 19:33:27,361 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 19:33:27,361 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 19:33:27,362 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:32:49" (3/4) ... [2025-03-17 19:33:27,363 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 19:33:27,364 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure my_callback [2025-03-17 19:33:27,367 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 102 nodes and edges [2025-03-17 19:33:27,368 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2025-03-17 19:33:27,368 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-03-17 19:33:27,368 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 19:33:27,433 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 19:33:27,434 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 19:33:27,434 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 19:33:27,435 INFO L158 Benchmark]: Toolchain (without parser) took 39409.51ms. Allocated memory was 167.8MB in the beginning and 285.2MB in the end (delta: 117.4MB). Free memory was 120.1MB in the beginning and 114.2MB in the end (delta: 5.9MB). Peak memory consumption was 121.7MB. Max. memory is 16.1GB. [2025-03-17 19:33:27,435 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 19:33:27,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.22ms. Allocated memory is still 167.8MB. Free memory was 119.7MB in the beginning and 89.3MB in the end (delta: 30.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-17 19:33:27,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.02ms. Allocated memory is still 167.8MB. Free memory was 89.3MB in the beginning and 87.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 19:33:27,436 INFO L158 Benchmark]: Boogie Preprocessor took 36.80ms. Allocated memory is still 167.8MB. Free memory was 87.1MB in the beginning and 83.8MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 19:33:27,437 INFO L158 Benchmark]: IcfgBuilder took 635.31ms. Allocated memory is still 167.8MB. Free memory was 83.8MB in the beginning and 41.9MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-17 19:33:27,437 INFO L158 Benchmark]: TraceAbstraction took 38205.42ms. Allocated memory was 167.8MB in the beginning and 285.2MB in the end (delta: 117.4MB). Free memory was 41.0MB in the beginning and 120.5MB in the end (delta: -79.5MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2025-03-17 19:33:27,437 INFO L158 Benchmark]: Witness Printer took 72.79ms. Allocated memory is still 285.2MB. Free memory was 120.5MB in the beginning and 114.2MB in the end (delta: 6.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 19:33:27,438 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.22ms. Allocated memory is still 167.8MB. Free memory was 119.7MB in the beginning and 89.3MB in the end (delta: 30.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.02ms. Allocated memory is still 167.8MB. Free memory was 89.3MB in the beginning and 87.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.80ms. Allocated memory is still 167.8MB. Free memory was 87.1MB in the beginning and 83.8MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 635.31ms. Allocated memory is still 167.8MB. Free memory was 83.8MB in the beginning and 41.9MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 38205.42ms. Allocated memory was 167.8MB in the beginning and 285.2MB in the end (delta: 117.4MB). Free memory was 41.0MB in the beginning and 120.5MB in the end (delta: -79.5MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Witness Printer took 72.79ms. Allocated memory is still 285.2MB. Free memory was 120.5MB in the beginning and 114.2MB in the end (delta: 6.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3914]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3914]: 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, 42 locations, 45 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: 38.1s, OverallIterations: 35, TraceHistogramMax: 1, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.0s, AutomataDifference: 24.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3550 SdHoareTripleChecker+Valid, 8.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3550 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 7.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 487 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14494 IncrementalHoareTripleChecker+Invalid, 14981 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 487 mSolverCounterUnsat, 0 mSDtfsCounter, 14494 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 912 GetRequests, 131 SyntacticMatches, 6 SemanticMatches, 775 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3602 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4364occurred in iteration=12, InterpolantAutomatonStates: 658, 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, 0.4s SatisfiabilityAnalysisTime, 11.5s InterpolantComputationTime, 540 NumberOfCodeBlocks, 540 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 561 ConstructedInterpolants, 8 QuantifiedInterpolants, 6409 SizeOfPredicates, 102 NumberOfNonLiveVariables, 748 ConjunctsInSsa, 214 ConjunctsInUnsatCore, 43 InterpolantComputations, 31 PerfectInterpolantSequences, 11/51 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 19:33:27,454 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