./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-races/race-2_3-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_3-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 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 19:32:46,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 19:32:46,184 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 19:32:46,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 19:32:46,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 19:32:46,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 19:32:46,210 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 19:32:46,210 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 19:32:46,210 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 19:32:46,210 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 19:32:46,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 19:32:46,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 19:32:46,212 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 19:32:46,212 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 19:32:46,212 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 19:32:46,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 19:32:46,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 19:32:46,212 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 19:32:46,213 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 19:32:46,213 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 19:32:46,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 19:32:46,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 19:32:46,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 19:32:46,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 19:32:46,213 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 19:32:46,213 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 19:32:46,213 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 19:32:46,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 19:32:46,213 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 19:32:46,213 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 19:32:46,214 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 19:32:46,214 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 19:32:46,214 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 19:32:46,214 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 19:32:46,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:32:46,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 19:32:46,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 19:32:46,214 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 19:32:46,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 19:32:46,214 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 19:32:46,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 19:32:46,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 19:32:46,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 19:32:46,215 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 19:32:46,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 19:32:46,215 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 -> 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc [2025-03-17 19:32:46,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 19:32:46,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 19:32:46,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 19:32:46,468 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 19:32:46,468 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 19:32:46,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2025-03-17 19:32:47,713 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4e49ad24/8997c06c6a464a5c882567f93e722220/FLAGf97c4f74e [2025-03-17 19:32:48,015 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 19:32:48,018 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2025-03-17 19:32:48,047 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4e49ad24/8997c06c6a464a5c882567f93e722220/FLAGf97c4f74e [2025-03-17 19:32:48,058 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4e49ad24/8997c06c6a464a5c882567f93e722220 [2025-03-17 19:32:48,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 19:32:48,062 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 19:32:48,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 19:32:48,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 19:32:48,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 19:32:48,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:32:48" (1/1) ... [2025-03-17 19:32:48,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@486eb593 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 19:32:48,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:32:48" (1/1) ... [2025-03-17 19:32:48,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 19:32:48,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:32:48,361 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 19:32:48,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:32:48,456 INFO L204 MainTranslator]: Completed translation [2025-03-17 19:32:48,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:32:48 WrapperNode [2025-03-17 19:32:48,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 19:32:48,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 19:32:48,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 19:32:48,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 19:32:48,463 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 19:32:48,477 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 19:32:48,499 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 154 [2025-03-17 19:32:48,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 19:32:48,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 19:32:48,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 19:32:48,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 19:32:48,508 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 19:32:48,508 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 19:32:48,510 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 19:32:48,527 INFO L175 MemorySlicer]: Split 19 memory accesses to 3 slices as follows [2, 15, 2]. 79 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 10 writes are split as follows [0, 8, 2]. [2025-03-17 19:32:48,527 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 19:32:48,528 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 19:32:48,542 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 19:32:48,547 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 19:32:48,550 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 19:32:48,555 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 19:32:48,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 19:32:48,561 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 19:32:48,561 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 19:32:48,561 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 19:32:48,562 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 19:32:48,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:32:48,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:32:48,587 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 19:32:48,589 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 19:32:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2025-03-17 19:32:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2025-03-17 19:32:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-17 19:32:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 19:32:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 19:32:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-17 19:32:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-17 19:32:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 19:32:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 19:32:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 19:32:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 19:32:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 19:32:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 19:32:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-17 19:32:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 19:32:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 19:32:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 19:32:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 19:32:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 19:32:48,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 19:32:48,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 19:32:48,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 19:32:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 19:32:48,609 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 19:32:48,817 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 19:32:48,819 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 19:32:49,063 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-17 19:32:49,064 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 19:32:49,224 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 19:32:49,224 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 19:32:49,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:32:49 BoogieIcfgContainer [2025-03-17 19:32:49,224 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 19:32:49,226 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 19:32:49,226 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 19:32:49,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 19:32:49,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:32:48" (1/3) ... [2025-03-17 19:32:49,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a25445b 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 19:32:49,233 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 19:32:49,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a25445b 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 19:32:49,234 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 19:32:49,235 INFO L128 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2025-03-17 19:32:49,245 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 19:32:49,247 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-2_3-container_of.i that has 2 procedures, 32 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-03-17 19:32:49,247 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-17 19:32:49,287 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-17 19:32:49,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 45 transitions, 104 flow [2025-03-17 19:32:49,337 INFO L124 PetriNetUnfolderBase]: 2/48 cut-off events. [2025-03-17 19:32:49,339 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-17 19:32:49,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 48 events. 2/48 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 88 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 24. Up to 3 conditions per place. [2025-03-17 19:32:49,341 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 45 transitions, 104 flow [2025-03-17 19:32:49,343 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 39 transitions, 87 flow [2025-03-17 19:32:49,354 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 19:32:49,364 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;@1151673a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 19:32:49,366 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-17 19:32:49,372 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 19:32:49,372 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2025-03-17 19:32:49,373 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 19:32:49,373 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:49,373 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:49,374 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 19:32:49,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:49,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1963272926, now seen corresponding path program 1 times [2025-03-17 19:32:49,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:49,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103468331] [2025-03-17 19:32:49,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:32:49,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:49,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-17 19:32:49,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-17 19:32:49,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:32:49,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:50,134 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 19:32:50,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:50,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103468331] [2025-03-17 19:32:50,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103468331] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:50,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:50,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 19:32:50,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037486312] [2025-03-17 19:32:50,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:50,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 19:32:50,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:50,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 19:32:50,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 19:32:50,166 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-17 19:32:50,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 87 flow. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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 19:32:50,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:50,170 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-17 19:32:50,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:50,833 INFO L124 PetriNetUnfolderBase]: 2305/3802 cut-off events. [2025-03-17 19:32:50,835 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2025-03-17 19:32:50,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7572 conditions, 3802 events. 2305/3802 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 21422 event pairs, 1459 based on Foata normal form. 0/3314 useless extension candidates. Maximal degree in co-relation 7480. Up to 2586 conditions per place. [2025-03-17 19:32:50,859 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 74 selfloop transitions, 14 changer transitions 3/95 dead transitions. [2025-03-17 19:32:50,859 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 95 transitions, 396 flow [2025-03-17 19:32:50,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 19:32:50,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-03-17 19:32:50,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 151 transitions. [2025-03-17 19:32:50,870 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.41944444444444445 [2025-03-17 19:32:50,871 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 87 flow. Second operand 8 states and 151 transitions. [2025-03-17 19:32:50,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 95 transitions, 396 flow [2025-03-17 19:32:50,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 95 transitions, 385 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-17 19:32:50,882 INFO L231 Difference]: Finished difference. Result has 55 places, 53 transitions, 181 flow [2025-03-17 19:32:50,884 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=181, PETRI_PLACES=55, PETRI_TRANSITIONS=53} [2025-03-17 19:32:50,888 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 9 predicate places. [2025-03-17 19:32:50,888 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 53 transitions, 181 flow [2025-03-17 19:32:50,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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 19:32:50,888 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:50,889 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:50,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 19:32:50,889 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 19:32:50,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:50,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1590992622, now seen corresponding path program 1 times [2025-03-17 19:32:50,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:50,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774736533] [2025-03-17 19:32:50,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:32:50,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:50,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 19:32:50,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 19:32:50,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:32:50,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:51,189 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 19:32:51,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:51,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774736533] [2025-03-17 19:32:51,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774736533] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:51,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:51,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 19:32:51,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758743386] [2025-03-17 19:32:51,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:51,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 19:32:51,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:51,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 19:32:51,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 19:32:51,191 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-17 19:32:51,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 53 transitions, 181 flow. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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 19:32:51,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:51,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-17 19:32:51,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:51,759 INFO L124 PetriNetUnfolderBase]: 2865/4764 cut-off events. [2025-03-17 19:32:51,760 INFO L125 PetriNetUnfolderBase]: For 1137/1139 co-relation queries the response was YES. [2025-03-17 19:32:51,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10958 conditions, 4764 events. 2865/4764 cut-off events. For 1137/1139 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 28510 event pairs, 1868 based on Foata normal form. 2/4348 useless extension candidates. Maximal degree in co-relation 10046. Up to 3562 conditions per place. [2025-03-17 19:32:51,782 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 76 selfloop transitions, 18 changer transitions 5/103 dead transitions. [2025-03-17 19:32:51,782 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 103 transitions, 534 flow [2025-03-17 19:32:51,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 19:32:51,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-03-17 19:32:51,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 148 transitions. [2025-03-17 19:32:51,784 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4111111111111111 [2025-03-17 19:32:51,784 INFO L175 Difference]: Start difference. First operand has 55 places, 53 transitions, 181 flow. Second operand 8 states and 148 transitions. [2025-03-17 19:32:51,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 103 transitions, 534 flow [2025-03-17 19:32:51,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 103 transitions, 532 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 19:32:51,797 INFO L231 Difference]: Finished difference. Result has 66 places, 65 transitions, 307 flow [2025-03-17 19:32:51,798 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=307, PETRI_PLACES=66, PETRI_TRANSITIONS=65} [2025-03-17 19:32:51,798 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 20 predicate places. [2025-03-17 19:32:51,798 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 65 transitions, 307 flow [2025-03-17 19:32:51,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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 19:32:51,799 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:51,799 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:51,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 19:32:51,799 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 19:32:51,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:51,800 INFO L85 PathProgramCache]: Analyzing trace with hash -2030283668, now seen corresponding path program 1 times [2025-03-17 19:32:51,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:51,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144791284] [2025-03-17 19:32:51,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:32:51,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:51,821 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:32:51,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:32:51,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:32:51,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:52,150 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 19:32:52,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:52,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144791284] [2025-03-17 19:32:52,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144791284] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:52,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:52,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 19:32:52,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934546352] [2025-03-17 19:32:52,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:52,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 19:32:52,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:52,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 19:32:52,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:32:52,153 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-17 19:32:52,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 65 transitions, 307 flow. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 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 19:32:52,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:52,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-17 19:32:52,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:52,971 INFO L124 PetriNetUnfolderBase]: 3338/5573 cut-off events. [2025-03-17 19:32:52,972 INFO L125 PetriNetUnfolderBase]: For 3241/3249 co-relation queries the response was YES. [2025-03-17 19:32:52,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14448 conditions, 5573 events. 3338/5573 cut-off events. For 3241/3249 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 34634 event pairs, 2168 based on Foata normal form. 85/5351 useless extension candidates. Maximal degree in co-relation 14314. Up to 3435 conditions per place. [2025-03-17 19:32:53,000 INFO L140 encePairwiseOnDemand]: 36/45 looper letters, 89 selfloop transitions, 19 changer transitions 3/115 dead transitions. [2025-03-17 19:32:53,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 115 transitions, 691 flow [2025-03-17 19:32:53,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 19:32:53,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-17 19:32:53,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 140 transitions. [2025-03-17 19:32:53,006 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2025-03-17 19:32:53,006 INFO L175 Difference]: Start difference. First operand has 66 places, 65 transitions, 307 flow. Second operand 7 states and 140 transitions. [2025-03-17 19:32:53,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 115 transitions, 691 flow [2025-03-17 19:32:53,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 115 transitions, 673 flow, removed 4 selfloop flow, removed 1 redundant places. [2025-03-17 19:32:53,016 INFO L231 Difference]: Finished difference. Result has 75 places, 77 transitions, 419 flow [2025-03-17 19:32:53,016 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=289, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=419, PETRI_PLACES=75, PETRI_TRANSITIONS=77} [2025-03-17 19:32:53,016 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 29 predicate places. [2025-03-17 19:32:53,016 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 77 transitions, 419 flow [2025-03-17 19:32:53,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 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 19:32:53,017 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:53,017 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:53,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 19:32:53,017 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 19:32:53,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:53,017 INFO L85 PathProgramCache]: Analyzing trace with hash -319249088, now seen corresponding path program 1 times [2025-03-17 19:32:53,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:53,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275894776] [2025-03-17 19:32:53,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:32:53,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:53,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 19:32:53,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 19:32:53,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:32:53,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:53,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:32:53,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:53,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275894776] [2025-03-17 19:32:53,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275894776] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:53,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:53,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 19:32:53,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949149406] [2025-03-17 19:32:53,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:53,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 19:32:53,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:53,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 19:32:53,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:32:53,375 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-17 19:32:53,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 77 transitions, 419 flow. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 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 19:32:53,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:53,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-17 19:32:53,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:54,081 INFO L124 PetriNetUnfolderBase]: 3799/6366 cut-off events. [2025-03-17 19:32:54,081 INFO L125 PetriNetUnfolderBase]: For 6235/6239 co-relation queries the response was YES. [2025-03-17 19:32:54,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18130 conditions, 6366 events. 3799/6366 cut-off events. For 6235/6239 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 40863 event pairs, 2513 based on Foata normal form. 84/6116 useless extension candidates. Maximal degree in co-relation 16716. Up to 4274 conditions per place. [2025-03-17 19:32:54,113 INFO L140 encePairwiseOnDemand]: 36/45 looper letters, 95 selfloop transitions, 22 changer transitions 5/126 dead transitions. [2025-03-17 19:32:54,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 126 transitions, 878 flow [2025-03-17 19:32:54,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 19:32:54,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-17 19:32:54,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 139 transitions. [2025-03-17 19:32:54,114 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.44126984126984126 [2025-03-17 19:32:54,115 INFO L175 Difference]: Start difference. First operand has 75 places, 77 transitions, 419 flow. Second operand 7 states and 139 transitions. [2025-03-17 19:32:54,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 126 transitions, 878 flow [2025-03-17 19:32:54,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 126 transitions, 852 flow, removed 12 selfloop flow, removed 1 redundant places. [2025-03-17 19:32:54,128 INFO L231 Difference]: Finished difference. Result has 84 places, 89 transitions, 571 flow [2025-03-17 19:32:54,128 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=407, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=571, PETRI_PLACES=84, PETRI_TRANSITIONS=89} [2025-03-17 19:32:54,129 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 38 predicate places. [2025-03-17 19:32:54,129 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 89 transitions, 571 flow [2025-03-17 19:32:54,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 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 19:32:54,129 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:54,129 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:54,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 19:32:54,129 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 19:32:54,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:54,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1502860137, now seen corresponding path program 1 times [2025-03-17 19:32:54,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:54,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646821618] [2025-03-17 19:32:54,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:32:54,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:54,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-17 19:32:54,150 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:32:54,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:32:54,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:54,316 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 19:32:54,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:54,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646821618] [2025-03-17 19:32:54,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646821618] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:54,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:54,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 19:32:54,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388247618] [2025-03-17 19:32:54,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:54,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 19:32:54,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:54,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 19:32:54,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:32:54,319 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-17 19:32:54,319 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 89 transitions, 571 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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 19:32:54,319 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:54,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-17 19:32:54,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:55,738 INFO L124 PetriNetUnfolderBase]: 6918/12313 cut-off events. [2025-03-17 19:32:55,738 INFO L125 PetriNetUnfolderBase]: For 13690/13701 co-relation queries the response was YES. [2025-03-17 19:32:55,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33815 conditions, 12313 events. 6918/12313 cut-off events. For 13690/13701 co-relation queries the response was YES. Maximal size of possible extension queue 597. Compared 95855 event pairs, 739 based on Foata normal form. 198/11958 useless extension candidates. Maximal degree in co-relation 33655. Up to 3356 conditions per place. [2025-03-17 19:32:55,791 INFO L140 encePairwiseOnDemand]: 32/45 looper letters, 193 selfloop transitions, 38 changer transitions 12/247 dead transitions. [2025-03-17 19:32:55,792 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 247 transitions, 1841 flow [2025-03-17 19:32:55,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 19:32:55,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-17 19:32:55,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 259 transitions. [2025-03-17 19:32:55,793 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5232323232323233 [2025-03-17 19:32:55,793 INFO L175 Difference]: Start difference. First operand has 84 places, 89 transitions, 571 flow. Second operand 11 states and 259 transitions. [2025-03-17 19:32:55,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 247 transitions, 1841 flow [2025-03-17 19:32:55,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 247 transitions, 1789 flow, removed 24 selfloop flow, removed 1 redundant places. [2025-03-17 19:32:55,816 INFO L231 Difference]: Finished difference. Result has 101 places, 117 transitions, 884 flow [2025-03-17 19:32:55,816 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=884, PETRI_PLACES=101, PETRI_TRANSITIONS=117} [2025-03-17 19:32:55,816 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 55 predicate places. [2025-03-17 19:32:55,816 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 117 transitions, 884 flow [2025-03-17 19:32:55,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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 19:32:55,817 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:55,817 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:55,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 19:32:55,817 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 19:32:55,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:55,817 INFO L85 PathProgramCache]: Analyzing trace with hash -702087511, now seen corresponding path program 2 times [2025-03-17 19:32:55,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:55,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607440822] [2025-03-17 19:32:55,817 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:32:55,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:55,831 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 15 statements into 1 equivalence classes. [2025-03-17 19:32:55,838 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:32:55,838 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:32:55,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:56,010 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 19:32:56,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:56,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607440822] [2025-03-17 19:32:56,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607440822] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:56,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:56,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 19:32:56,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110719119] [2025-03-17 19:32:56,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:56,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 19:32:56,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:56,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 19:32:56,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:32:56,012 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-17 19:32:56,012 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 117 transitions, 884 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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 19:32:56,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:56,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-17 19:32:56,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:32:57,960 INFO L124 PetriNetUnfolderBase]: 9440/16859 cut-off events. [2025-03-17 19:32:57,960 INFO L125 PetriNetUnfolderBase]: For 51756/51796 co-relation queries the response was YES. [2025-03-17 19:32:58,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60469 conditions, 16859 events. 9440/16859 cut-off events. For 51756/51796 co-relation queries the response was YES. Maximal size of possible extension queue 847. Compared 139218 event pairs, 1226 based on Foata normal form. 305/16523 useless extension candidates. Maximal degree in co-relation 52889. Up to 4325 conditions per place. [2025-03-17 19:32:58,062 INFO L140 encePairwiseOnDemand]: 31/45 looper letters, 234 selfloop transitions, 122 changer transitions 24/384 dead transitions. [2025-03-17 19:32:58,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 384 transitions, 3423 flow [2025-03-17 19:32:58,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-17 19:32:58,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-17 19:32:58,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 401 transitions. [2025-03-17 19:32:58,065 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.49506172839506174 [2025-03-17 19:32:58,065 INFO L175 Difference]: Start difference. First operand has 101 places, 117 transitions, 884 flow. Second operand 18 states and 401 transitions. [2025-03-17 19:32:58,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 384 transitions, 3423 flow [2025-03-17 19:32:58,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 384 transitions, 3322 flow, removed 34 selfloop flow, removed 2 redundant places. [2025-03-17 19:32:58,262 INFO L231 Difference]: Finished difference. Result has 131 places, 219 transitions, 2233 flow [2025-03-17 19:32:58,262 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=855, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2233, PETRI_PLACES=131, PETRI_TRANSITIONS=219} [2025-03-17 19:32:58,263 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 85 predicate places. [2025-03-17 19:32:58,264 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 219 transitions, 2233 flow [2025-03-17 19:32:58,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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 19:32:58,264 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:32:58,264 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:32:58,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 19:32:58,264 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 19:32:58,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:32:58,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1328981975, now seen corresponding path program 1 times [2025-03-17 19:32:58,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:32:58,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365054280] [2025-03-17 19:32:58,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:32:58,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:32:58,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-17 19:32:58,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:32:58,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:32:58,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:32:58,470 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 19:32:58,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:32:58,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365054280] [2025-03-17 19:32:58,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365054280] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:32:58,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:32:58,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 19:32:58,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682967005] [2025-03-17 19:32:58,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:32:58,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 19:32:58,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:32:58,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 19:32:58,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:32:58,473 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-17 19:32:58,473 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 219 transitions, 2233 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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 19:32:58,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:32:58,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-17 19:32:58,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:00,962 INFO L124 PetriNetUnfolderBase]: 11280/20502 cut-off events. [2025-03-17 19:33:00,962 INFO L125 PetriNetUnfolderBase]: For 116213/116254 co-relation queries the response was YES. [2025-03-17 19:33:01,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87261 conditions, 20502 events. 11280/20502 cut-off events. For 116213/116254 co-relation queries the response was YES. Maximal size of possible extension queue 1073. Compared 177556 event pairs, 1188 based on Foata normal form. 468/20293 useless extension candidates. Maximal degree in co-relation 81359. Up to 6650 conditions per place. [2025-03-17 19:33:01,118 INFO L140 encePairwiseOnDemand]: 32/45 looper letters, 330 selfloop transitions, 152 changer transitions 68/554 dead transitions. [2025-03-17 19:33:01,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 554 transitions, 6628 flow [2025-03-17 19:33:01,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 19:33:01,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-17 19:33:01,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 262 transitions. [2025-03-17 19:33:01,119 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5292929292929293 [2025-03-17 19:33:01,119 INFO L175 Difference]: Start difference. First operand has 131 places, 219 transitions, 2233 flow. Second operand 11 states and 262 transitions. [2025-03-17 19:33:01,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 554 transitions, 6628 flow [2025-03-17 19:33:02,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 554 transitions, 6308 flow, removed 159 selfloop flow, removed 1 redundant places. [2025-03-17 19:33:02,034 INFO L231 Difference]: Finished difference. Result has 148 places, 325 transitions, 3783 flow [2025-03-17 19:33:02,034 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=2057, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3783, PETRI_PLACES=148, PETRI_TRANSITIONS=325} [2025-03-17 19:33:02,035 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 102 predicate places. [2025-03-17 19:33:02,035 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 325 transitions, 3783 flow [2025-03-17 19:33:02,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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 19:33:02,035 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:02,035 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:02,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 19:33:02,035 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 19:33:02,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:02,036 INFO L85 PathProgramCache]: Analyzing trace with hash -997922071, now seen corresponding path program 2 times [2025-03-17 19:33:02,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:02,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321984224] [2025-03-17 19:33:02,036 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:33:02,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:02,048 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 15 statements into 1 equivalence classes. [2025-03-17 19:33:02,054 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 19:33:02,054 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:33:02,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:02,200 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 19:33:02,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:02,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321984224] [2025-03-17 19:33:02,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321984224] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:02,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:02,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 19:33:02,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733885657] [2025-03-17 19:33:02,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:02,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 19:33:02,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:02,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 19:33:02,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:33:02,203 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-17 19:33:02,204 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 325 transitions, 3783 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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 19:33:02,204 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:02,204 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-17 19:33:02,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:05,896 INFO L124 PetriNetUnfolderBase]: 13475/24735 cut-off events. [2025-03-17 19:33:05,897 INFO L125 PetriNetUnfolderBase]: For 221708/221799 co-relation queries the response was YES. [2025-03-17 19:33:06,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123623 conditions, 24735 events. 13475/24735 cut-off events. For 221708/221799 co-relation queries the response was YES. Maximal size of possible extension queue 1352. Compared 223318 event pairs, 1689 based on Foata normal form. 460/24473 useless extension candidates. Maximal degree in co-relation 116163. Up to 7505 conditions per place. [2025-03-17 19:33:06,112 INFO L140 encePairwiseOnDemand]: 31/45 looper letters, 283 selfloop transitions, 343 changer transitions 70/700 dead transitions. [2025-03-17 19:33:06,112 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 700 transitions, 9514 flow [2025-03-17 19:33:06,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-17 19:33:06,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-17 19:33:06,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 416 transitions. [2025-03-17 19:33:06,114 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5135802469135803 [2025-03-17 19:33:06,114 INFO L175 Difference]: Start difference. First operand has 148 places, 325 transitions, 3783 flow. Second operand 18 states and 416 transitions. [2025-03-17 19:33:06,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 700 transitions, 9514 flow [2025-03-17 19:33:07,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 700 transitions, 9283 flow, removed 114 selfloop flow, removed 1 redundant places. [2025-03-17 19:33:07,588 INFO L231 Difference]: Finished difference. Result has 178 places, 483 transitions, 6858 flow [2025-03-17 19:33:07,588 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=3674, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=6858, PETRI_PLACES=178, PETRI_TRANSITIONS=483} [2025-03-17 19:33:07,589 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 132 predicate places. [2025-03-17 19:33:07,589 INFO L471 AbstractCegarLoop]: Abstraction has has 178 places, 483 transitions, 6858 flow [2025-03-17 19:33:07,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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 19:33:07,589 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:07,589 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:07,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 19:33:07,589 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-17 19:33:07,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:07,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1382677185, now seen corresponding path program 1 times [2025-03-17 19:33:07,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:07,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959203897] [2025-03-17 19:33:07,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:33:07,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:07,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-17 19:33:07,607 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 19:33:07,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:07,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:07,993 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 19:33:07,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:07,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959203897] [2025-03-17 19:33:07,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959203897] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:07,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:07,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-17 19:33:07,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682713876] [2025-03-17 19:33:07,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:07,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 19:33:07,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:07,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 19:33:07,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:33:07,994 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-17 19:33:07,994 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 483 transitions, 6858 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:07,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:07,994 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-17 19:33:07,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:12,445 INFO L124 PetriNetUnfolderBase]: 14447/26426 cut-off events. [2025-03-17 19:33:12,445 INFO L125 PetriNetUnfolderBase]: For 373076/373176 co-relation queries the response was YES. [2025-03-17 19:33:12,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153113 conditions, 26426 events. 14447/26426 cut-off events. For 373076/373176 co-relation queries the response was YES. Maximal size of possible extension queue 1410. Compared 240771 event pairs, 8302 based on Foata normal form. 191/25832 useless extension candidates. Maximal degree in co-relation 143643. Up to 19315 conditions per place. [2025-03-17 19:33:12,719 INFO L140 encePairwiseOnDemand]: 33/45 looper letters, 559 selfloop transitions, 40 changer transitions 47/650 dead transitions. [2025-03-17 19:33:12,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 650 transitions, 10314 flow [2025-03-17 19:33:12,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 19:33:12,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-17 19:33:12,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 195 transitions. [2025-03-17 19:33:12,721 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3939393939393939 [2025-03-17 19:33:12,721 INFO L175 Difference]: Start difference. First operand has 178 places, 483 transitions, 6858 flow. Second operand 11 states and 195 transitions. [2025-03-17 19:33:12,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 650 transitions, 10314 flow [2025-03-17 19:33:15,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 650 transitions, 9895 flow, removed 137 selfloop flow, removed 2 redundant places. [2025-03-17 19:33:15,861 INFO L231 Difference]: Finished difference. Result has 193 places, 511 transitions, 6965 flow [2025-03-17 19:33:15,861 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=6514, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=6965, PETRI_PLACES=193, PETRI_TRANSITIONS=511} [2025-03-17 19:33:15,862 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 147 predicate places. [2025-03-17 19:33:15,862 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 511 transitions, 6965 flow [2025-03-17 19:33:15,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:15,862 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:15,862 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:15,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 19:33:15,862 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 19:33:15,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:15,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1327212181, now seen corresponding path program 2 times [2025-03-17 19:33:15,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:15,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843177680] [2025-03-17 19:33:15,863 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:33:15,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:15,873 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-17 19:33:15,878 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 19:33:15,878 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:33:15,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:16,148 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 19:33:16,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:16,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843177680] [2025-03-17 19:33:16,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843177680] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:16,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:16,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-17 19:33:16,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264342971] [2025-03-17 19:33:16,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:16,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 19:33:16,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:16,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 19:33:16,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:33:16,151 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-17 19:33:16,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 511 transitions, 6965 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:16,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:16,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-17 19:33:16,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:21,359 INFO L124 PetriNetUnfolderBase]: 15681/28502 cut-off events. [2025-03-17 19:33:21,360 INFO L125 PetriNetUnfolderBase]: For 441973/442076 co-relation queries the response was YES. [2025-03-17 19:33:21,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166582 conditions, 28502 events. 15681/28502 cut-off events. For 441973/442076 co-relation queries the response was YES. Maximal size of possible extension queue 1530. Compared 262119 event pairs, 9115 based on Foata normal form. 196/27850 useless extension candidates. Maximal degree in co-relation 165187. Up to 21320 conditions per place. [2025-03-17 19:33:21,590 INFO L140 encePairwiseOnDemand]: 32/45 looper letters, 564 selfloop transitions, 65 changer transitions 47/680 dead transitions. [2025-03-17 19:33:21,590 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 680 transitions, 10473 flow [2025-03-17 19:33:21,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-17 19:33:21,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-17 19:33:21,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 261 transitions. [2025-03-17 19:33:21,592 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3411764705882353 [2025-03-17 19:33:21,592 INFO L175 Difference]: Start difference. First operand has 193 places, 511 transitions, 6965 flow. Second operand 17 states and 261 transitions. [2025-03-17 19:33:21,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 680 transitions, 10473 flow [2025-03-17 19:33:25,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 680 transitions, 10390 flow, removed 26 selfloop flow, removed 3 redundant places. [2025-03-17 19:33:25,041 INFO L231 Difference]: Finished difference. Result has 212 places, 535 transitions, 7422 flow [2025-03-17 19:33:25,041 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=6900, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=511, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=7422, PETRI_PLACES=212, PETRI_TRANSITIONS=535} [2025-03-17 19:33:25,042 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 166 predicate places. [2025-03-17 19:33:25,042 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 535 transitions, 7422 flow [2025-03-17 19:33:25,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:25,042 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:25,042 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:25,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-17 19:33:25,042 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 19:33:25,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:25,043 INFO L85 PathProgramCache]: Analyzing trace with hash -151233698, now seen corresponding path program 1 times [2025-03-17 19:33:25,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:25,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544893277] [2025-03-17 19:33:25,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:33:25,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:25,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-17 19:33:25,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 19:33:25,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:33:25,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:25,361 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 19:33:25,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:25,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544893277] [2025-03-17 19:33:25,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544893277] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:25,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:25,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-17 19:33:25,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071378889] [2025-03-17 19:33:25,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:25,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 19:33:25,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:25,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 19:33:25,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:33:25,363 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-17 19:33:25,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 535 transitions, 7422 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:25,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:25,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-17 19:33:25,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 19:33:31,135 INFO L124 PetriNetUnfolderBase]: 18118/32888 cut-off events. [2025-03-17 19:33:31,135 INFO L125 PetriNetUnfolderBase]: For 552092/552200 co-relation queries the response was YES. [2025-03-17 19:33:31,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195680 conditions, 32888 events. 18118/32888 cut-off events. For 552092/552200 co-relation queries the response was YES. Maximal size of possible extension queue 1778. Compared 307991 event pairs, 10923 based on Foata normal form. 250/32190 useless extension candidates. Maximal degree in co-relation 191241. Up to 25722 conditions per place. [2025-03-17 19:33:31,742 INFO L140 encePairwiseOnDemand]: 33/45 looper letters, 538 selfloop transitions, 51 changer transitions 25/618 dead transitions. [2025-03-17 19:33:31,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 618 transitions, 9551 flow [2025-03-17 19:33:31,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 19:33:31,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-17 19:33:31,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 179 transitions. [2025-03-17 19:33:31,744 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3977777777777778 [2025-03-17 19:33:31,744 INFO L175 Difference]: Start difference. First operand has 212 places, 535 transitions, 7422 flow. Second operand 10 states and 179 transitions. [2025-03-17 19:33:31,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 618 transitions, 9551 flow [2025-03-17 19:33:36,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 618 transitions, 9367 flow, removed 43 selfloop flow, removed 8 redundant places. [2025-03-17 19:33:36,212 INFO L231 Difference]: Finished difference. Result has 216 places, 538 transitions, 7422 flow [2025-03-17 19:33:36,212 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=7254, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=535, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=485, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=7422, PETRI_PLACES=216, PETRI_TRANSITIONS=538} [2025-03-17 19:33:36,212 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 170 predicate places. [2025-03-17 19:33:36,212 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 538 transitions, 7422 flow [2025-03-17 19:33:36,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:36,213 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 19:33:36,213 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:33:36,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-17 19:33:36,213 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 19:33:36,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:33:36,213 INFO L85 PathProgramCache]: Analyzing trace with hash -913030582, now seen corresponding path program 2 times [2025-03-17 19:33:36,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:33:36,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078456888] [2025-03-17 19:33:36,213 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:33:36,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:33:36,224 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-17 19:33:36,228 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 19:33:36,229 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:33:36,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:33:36,489 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 19:33:36,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:33:36,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078456888] [2025-03-17 19:33:36,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078456888] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:33:36,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:33:36,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-17 19:33:36,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404563263] [2025-03-17 19:33:36,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:33:36,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 19:33:36,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:33:36,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 19:33:36,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:33:36,491 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-17 19:33:36,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 538 transitions, 7422 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:33:36,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 19:33:36,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-17 19:33:36,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand