./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:54:04,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:54:04,519 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 23:54:04,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:54:04,529 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:54:04,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:54:04,560 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:54:04,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:54:04,562 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:54:04,563 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:54:04,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:54:04,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:54:04,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:54:04,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:54:04,565 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:54:04,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:54:04,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:54:04,566 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 23:54:04,566 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:54:04,566 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 23:54:04,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:54:04,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:54:04,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:54:04,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:54:04,572 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:54:04,573 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:54:04,573 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:54:04,573 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 23:54:04,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:54:04,574 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:54:04,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:54:04,574 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:54:04,574 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:54:04,575 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:54:04,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:54:04,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:54:04,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:54:04,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:54:04,576 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:54:04,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:54:04,576 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:54:04,577 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:54:04,578 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:54:04,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:54:04,579 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 [2024-10-11 23:54:04,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:54:04,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:54:04,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:54:04,882 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:54:04,883 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:54:04,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2024-10-11 23:54:06,308 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:54:06,657 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:54:06,658 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2024-10-11 23:54:06,698 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d6cf109be/553b933867284787878662e9c9c43916/FLAG80dcb9089 [2024-10-11 23:54:06,718 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d6cf109be/553b933867284787878662e9c9c43916 [2024-10-11 23:54:06,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:54:06,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:54:06,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:54:06,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:54:06,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:54:06,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:54:06" (1/1) ... [2024-10-11 23:54:06,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac85872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:06, skipping insertion in model container [2024-10-11 23:54:06,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:54:06" (1/1) ... [2024-10-11 23:54:06,858 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:54:07,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:54:07,295 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:54:07,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:54:07,417 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:54:07,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:07 WrapperNode [2024-10-11 23:54:07,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:54:07,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:54:07,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:54:07,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:54:07,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:07" (1/1) ... [2024-10-11 23:54:07,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:07" (1/1) ... [2024-10-11 23:54:07,483 INFO L138 Inliner]: procedures = 246, calls = 44, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 145 [2024-10-11 23:54:07,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:54:07,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:54:07,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:54:07,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:54:07,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:07" (1/1) ... [2024-10-11 23:54:07,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:07" (1/1) ... [2024-10-11 23:54:07,500 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:07" (1/1) ... [2024-10-11 23:54:07,522 INFO L175 MemorySlicer]: Split 17 memory accesses to 3 slices as follows [2, 2, 13]. 76 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 2, 6]. [2024-10-11 23:54:07,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:07" (1/1) ... [2024-10-11 23:54:07,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:07" (1/1) ... [2024-10-11 23:54:07,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:07" (1/1) ... [2024-10-11 23:54:07,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:07" (1/1) ... [2024-10-11 23:54:07,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:07" (1/1) ... [2024-10-11 23:54:07,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:07" (1/1) ... [2024-10-11 23:54:07,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:54:07,552 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:54:07,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:54:07,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:54:07,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:07" (1/1) ... [2024-10-11 23:54:07,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:54:07,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:54:07,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:54:07,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:54:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-10-11 23:54:07,657 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-10-11 23:54:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-11 23:54:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 23:54:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 23:54:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-11 23:54:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 23:54:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 23:54:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 23:54:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 23:54:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 23:54:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 23:54:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:54:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 23:54:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 23:54:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 23:54:07,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 23:54:07,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 23:54:07,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 23:54:07,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:54:07,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:54:07,665 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 23:54:07,933 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:54:07,936 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:54:08,211 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 23:54:08,211 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:54:08,526 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:54:08,526 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 23:54:08,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:54:08 BoogieIcfgContainer [2024-10-11 23:54:08,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:54:08,530 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:54:08,530 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:54:08,533 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:54:08,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:54:06" (1/3) ... [2024-10-11 23:54:08,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c66a79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:54:08, skipping insertion in model container [2024-10-11 23:54:08,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:54:07" (2/3) ... [2024-10-11 23:54:08,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c66a79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:54:08, skipping insertion in model container [2024-10-11 23:54:08,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:54:08" (3/3) ... [2024-10-11 23:54:08,536 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2024-10-11 23:54:08,552 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:54:08,553 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-11 23:54:08,553 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 23:54:08,595 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-11 23:54:08,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 34 transitions, 82 flow [2024-10-11 23:54:08,661 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-10-11 23:54:08,662 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 23:54:08,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 37 events. 2/37 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 72 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 21. Up to 3 conditions per place. [2024-10-11 23:54:08,665 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 34 transitions, 82 flow [2024-10-11 23:54:08,668 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 65 flow [2024-10-11 23:54:08,676 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:54:08,684 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;@64a348ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:54:08,685 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-11 23:54:08,690 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 23:54:08,691 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-10-11 23:54:08,691 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 23:54:08,691 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:08,692 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:08,693 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:08,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:08,699 INFO L85 PathProgramCache]: Analyzing trace with hash -504691518, now seen corresponding path program 1 times [2024-10-11 23:54:08,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:08,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124471928] [2024-10-11 23:54:08,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:08,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:09,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:09,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:09,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124471928] [2024-10-11 23:54:09,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124471928] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:09,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:09,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:54:09,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584382434] [2024-10-11 23:54:09,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:09,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 23:54:09,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:09,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 23:54:09,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:54:09,592 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:09,594 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 65 flow. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:09,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:09,595 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:09,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:10,229 INFO L124 PetriNetUnfolderBase]: 769/1310 cut-off events. [2024-10-11 23:54:10,231 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-10-11 23:54:10,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2642 conditions, 1310 events. 769/1310 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 6493 event pairs, 367 based on Foata normal form. 0/1090 useless extension candidates. Maximal degree in co-relation 2572. Up to 850 conditions per place. [2024-10-11 23:54:10,250 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 20 changer transitions 2/86 dead transitions. [2024-10-11 23:54:10,251 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 86 transitions, 366 flow [2024-10-11 23:54:10,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 23:54:10,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-11 23:54:10,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 129 transitions. [2024-10-11 23:54:10,268 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.37941176470588234 [2024-10-11 23:54:10,270 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 65 flow. Second operand 10 states and 129 transitions. [2024-10-11 23:54:10,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 86 transitions, 366 flow [2024-10-11 23:54:10,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 86 transitions, 355 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-11 23:54:10,279 INFO L231 Difference]: Finished difference. Result has 46 places, 48 transitions, 188 flow [2024-10-11 23:54:10,281 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=188, PETRI_PLACES=46, PETRI_TRANSITIONS=48} [2024-10-11 23:54:10,285 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 11 predicate places. [2024-10-11 23:54:10,287 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 48 transitions, 188 flow [2024-10-11 23:54:10,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:10,288 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:10,288 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:10,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 23:54:10,289 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:10,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:10,291 INFO L85 PathProgramCache]: Analyzing trace with hash -263510488, now seen corresponding path program 1 times [2024-10-11 23:54:10,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:10,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494387645] [2024-10-11 23:54:10,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:10,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:10,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:10,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:10,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494387645] [2024-10-11 23:54:10,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494387645] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:10,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:10,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:54:10,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183639991] [2024-10-11 23:54:10,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:10,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 23:54:10,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:10,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 23:54:10,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:54:10,640 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:10,641 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 48 transitions, 188 flow. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:10,641 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:10,641 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:10,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:11,069 INFO L124 PetriNetUnfolderBase]: 899/1554 cut-off events. [2024-10-11 23:54:11,069 INFO L125 PetriNetUnfolderBase]: For 770/770 co-relation queries the response was YES. [2024-10-11 23:54:11,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3993 conditions, 1554 events. 899/1554 cut-off events. For 770/770 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 8185 event pairs, 569 based on Foata normal form. 0/1372 useless extension candidates. Maximal degree in co-relation 3585. Up to 1126 conditions per place. [2024-10-11 23:54:11,082 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 26 changer transitions 4/94 dead transitions. [2024-10-11 23:54:11,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 94 transitions, 534 flow [2024-10-11 23:54:11,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 23:54:11,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-11 23:54:11,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 123 transitions. [2024-10-11 23:54:11,084 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.36176470588235293 [2024-10-11 23:54:11,084 INFO L175 Difference]: Start difference. First operand has 46 places, 48 transitions, 188 flow. Second operand 10 states and 123 transitions. [2024-10-11 23:54:11,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 94 transitions, 534 flow [2024-10-11 23:54:11,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 94 transitions, 532 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 23:54:11,091 INFO L231 Difference]: Finished difference. Result has 57 places, 62 transitions, 327 flow [2024-10-11 23:54:11,091 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=327, PETRI_PLACES=57, PETRI_TRANSITIONS=62} [2024-10-11 23:54:11,092 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 22 predicate places. [2024-10-11 23:54:11,092 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 62 transitions, 327 flow [2024-10-11 23:54:11,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:11,092 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:11,093 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:11,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 23:54:11,093 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:11,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:11,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1753387897, now seen corresponding path program 1 times [2024-10-11 23:54:11,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:11,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613012574] [2024-10-11 23:54:11,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:11,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:11,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:11,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:11,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613012574] [2024-10-11 23:54:11,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613012574] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:11,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:11,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:54:11,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110798986] [2024-10-11 23:54:11,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:11,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:54:11,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:11,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:54:11,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 23:54:11,555 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:11,556 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 62 transitions, 327 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:11,556 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:11,556 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:11,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:12,332 INFO L124 PetriNetUnfolderBase]: 1170/2023 cut-off events. [2024-10-11 23:54:12,332 INFO L125 PetriNetUnfolderBase]: For 1932/1943 co-relation queries the response was YES. [2024-10-11 23:54:12,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6072 conditions, 2023 events. 1170/2023 cut-off events. For 1932/1943 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 11433 event pairs, 391 based on Foata normal form. 69/1950 useless extension candidates. Maximal degree in co-relation 5974. Up to 1101 conditions per place. [2024-10-11 23:54:12,347 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 80 selfloop transitions, 47 changer transitions 7/135 dead transitions. [2024-10-11 23:54:12,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 135 transitions, 884 flow [2024-10-11 23:54:12,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 23:54:12,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-10-11 23:54:12,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 194 transitions. [2024-10-11 23:54:12,350 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3356401384083045 [2024-10-11 23:54:12,350 INFO L175 Difference]: Start difference. First operand has 57 places, 62 transitions, 327 flow. Second operand 17 states and 194 transitions. [2024-10-11 23:54:12,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 135 transitions, 884 flow [2024-10-11 23:54:12,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 135 transitions, 882 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 23:54:12,359 INFO L231 Difference]: Finished difference. Result has 76 places, 78 transitions, 557 flow [2024-10-11 23:54:12,359 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=557, PETRI_PLACES=76, PETRI_TRANSITIONS=78} [2024-10-11 23:54:12,360 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 41 predicate places. [2024-10-11 23:54:12,360 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 78 transitions, 557 flow [2024-10-11 23:54:12,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:12,361 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:12,361 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:12,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 23:54:12,361 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:12,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:12,362 INFO L85 PathProgramCache]: Analyzing trace with hash -37422999, now seen corresponding path program 1 times [2024-10-11 23:54:12,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:12,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971004872] [2024-10-11 23:54:12,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:12,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:12,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:12,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:12,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971004872] [2024-10-11 23:54:12,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971004872] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:12,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:12,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:54:12,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959646727] [2024-10-11 23:54:12,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:12,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:54:12,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:12,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:54:12,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-11 23:54:12,816 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:12,818 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 78 transitions, 557 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:12,818 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:12,818 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:12,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:13,506 INFO L124 PetriNetUnfolderBase]: 1249/2203 cut-off events. [2024-10-11 23:54:13,507 INFO L125 PetriNetUnfolderBase]: For 4363/4374 co-relation queries the response was YES. [2024-10-11 23:54:13,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7852 conditions, 2203 events. 1249/2203 cut-off events. For 4363/4374 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 13000 event pairs, 679 based on Foata normal form. 45/2098 useless extension candidates. Maximal degree in co-relation 7740. Up to 1287 conditions per place. [2024-10-11 23:54:13,523 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 77 selfloop transitions, 41 changer transitions 5/124 dead transitions. [2024-10-11 23:54:13,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 124 transitions, 1011 flow [2024-10-11 23:54:13,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 23:54:13,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-11 23:54:13,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 153 transitions. [2024-10-11 23:54:13,526 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.375 [2024-10-11 23:54:13,526 INFO L175 Difference]: Start difference. First operand has 76 places, 78 transitions, 557 flow. Second operand 12 states and 153 transitions. [2024-10-11 23:54:13,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 124 transitions, 1011 flow [2024-10-11 23:54:13,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 124 transitions, 882 flow, removed 18 selfloop flow, removed 13 redundant places. [2024-10-11 23:54:13,542 INFO L231 Difference]: Finished difference. Result has 77 places, 82 transitions, 584 flow [2024-10-11 23:54:13,542 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=447, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=584, PETRI_PLACES=77, PETRI_TRANSITIONS=82} [2024-10-11 23:54:13,543 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 42 predicate places. [2024-10-11 23:54:13,543 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 82 transitions, 584 flow [2024-10-11 23:54:13,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:13,543 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:13,544 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:13,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 23:54:13,544 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:13,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:13,544 INFO L85 PathProgramCache]: Analyzing trace with hash -31858585, now seen corresponding path program 2 times [2024-10-11 23:54:13,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:13,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220699144] [2024-10-11 23:54:13,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:13,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:13,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:13,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:13,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220699144] [2024-10-11 23:54:13,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220699144] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:13,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:13,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:54:13,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855824188] [2024-10-11 23:54:13,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:13,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:54:13,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:13,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:54:13,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-11 23:54:13,949 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:13,950 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 82 transitions, 584 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:13,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:13,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:13,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:14,763 INFO L124 PetriNetUnfolderBase]: 1484/2586 cut-off events. [2024-10-11 23:54:14,764 INFO L125 PetriNetUnfolderBase]: For 5677/5681 co-relation queries the response was YES. [2024-10-11 23:54:14,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9644 conditions, 2586 events. 1484/2586 cut-off events. For 5677/5681 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 15610 event pairs, 522 based on Foata normal form. 62/2472 useless extension candidates. Maximal degree in co-relation 9527. Up to 1326 conditions per place. [2024-10-11 23:54:14,786 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 88 selfloop transitions, 69 changer transitions 8/166 dead transitions. [2024-10-11 23:54:14,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 166 transitions, 1393 flow [2024-10-11 23:54:14,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 23:54:14,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-11 23:54:14,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 209 transitions. [2024-10-11 23:54:14,789 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3415032679738562 [2024-10-11 23:54:14,789 INFO L175 Difference]: Start difference. First operand has 77 places, 82 transitions, 584 flow. Second operand 18 states and 209 transitions. [2024-10-11 23:54:14,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 166 transitions, 1393 flow [2024-10-11 23:54:14,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 166 transitions, 1317 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-10-11 23:54:14,812 INFO L231 Difference]: Finished difference. Result has 93 places, 105 transitions, 941 flow [2024-10-11 23:54:14,813 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=527, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=941, PETRI_PLACES=93, PETRI_TRANSITIONS=105} [2024-10-11 23:54:14,814 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 58 predicate places. [2024-10-11 23:54:14,814 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 105 transitions, 941 flow [2024-10-11 23:54:14,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:14,814 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:14,815 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:14,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 23:54:14,815 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:14,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:14,815 INFO L85 PathProgramCache]: Analyzing trace with hash -32060619, now seen corresponding path program 2 times [2024-10-11 23:54:14,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:14,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157678452] [2024-10-11 23:54:14,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:14,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:15,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:15,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:15,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157678452] [2024-10-11 23:54:15,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157678452] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:15,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:15,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:54:15,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84222676] [2024-10-11 23:54:15,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:15,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:54:15,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:15,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:54:15,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-11 23:54:15,123 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:15,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 105 transitions, 941 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:15,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:15,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:15,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:15,934 INFO L124 PetriNetUnfolderBase]: 1588/2831 cut-off events. [2024-10-11 23:54:15,935 INFO L125 PetriNetUnfolderBase]: For 10506/10514 co-relation queries the response was YES. [2024-10-11 23:54:15,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11935 conditions, 2831 events. 1588/2831 cut-off events. For 10506/10514 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 17813 event pairs, 850 based on Foata normal form. 60/2711 useless extension candidates. Maximal degree in co-relation 11808. Up to 1496 conditions per place. [2024-10-11 23:54:15,959 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 87 selfloop transitions, 63 changer transitions 6/157 dead transitions. [2024-10-11 23:54:15,960 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 157 transitions, 1515 flow [2024-10-11 23:54:15,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 23:54:15,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-11 23:54:15,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 175 transitions. [2024-10-11 23:54:15,961 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.36764705882352944 [2024-10-11 23:54:15,962 INFO L175 Difference]: Start difference. First operand has 93 places, 105 transitions, 941 flow. Second operand 14 states and 175 transitions. [2024-10-11 23:54:15,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 157 transitions, 1515 flow [2024-10-11 23:54:15,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 157 transitions, 1432 flow, removed 12 selfloop flow, removed 8 redundant places. [2024-10-11 23:54:15,987 INFO L231 Difference]: Finished difference. Result has 101 places, 108 transitions, 1070 flow [2024-10-11 23:54:15,987 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=867, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1070, PETRI_PLACES=101, PETRI_TRANSITIONS=108} [2024-10-11 23:54:15,988 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 66 predicate places. [2024-10-11 23:54:15,988 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 108 transitions, 1070 flow [2024-10-11 23:54:15,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:15,989 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:15,989 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:15,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 23:54:15,989 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:15,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:15,990 INFO L85 PathProgramCache]: Analyzing trace with hash 169230665, now seen corresponding path program 3 times [2024-10-11 23:54:15,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:15,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905984503] [2024-10-11 23:54:15,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:15,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:16,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:16,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:16,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905984503] [2024-10-11 23:54:16,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905984503] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:16,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:16,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:54:16,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886679989] [2024-10-11 23:54:16,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:16,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:54:16,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:16,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:54:16,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-11 23:54:16,337 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:16,337 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 108 transitions, 1070 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:16,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:16,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:16,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:17,201 INFO L124 PetriNetUnfolderBase]: 1674/2938 cut-off events. [2024-10-11 23:54:17,201 INFO L125 PetriNetUnfolderBase]: For 13002/13015 co-relation queries the response was YES. [2024-10-11 23:54:17,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13332 conditions, 2938 events. 1674/2938 cut-off events. For 13002/13015 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 18391 event pairs, 918 based on Foata normal form. 48/2780 useless extension candidates. Maximal degree in co-relation 12063. Up to 2093 conditions per place. [2024-10-11 23:54:17,228 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 107 selfloop transitions, 51 changer transitions 6/165 dead transitions. [2024-10-11 23:54:17,228 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 165 transitions, 1812 flow [2024-10-11 23:54:17,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 23:54:17,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-11 23:54:17,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 151 transitions. [2024-10-11 23:54:17,230 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3700980392156863 [2024-10-11 23:54:17,230 INFO L175 Difference]: Start difference. First operand has 101 places, 108 transitions, 1070 flow. Second operand 12 states and 151 transitions. [2024-10-11 23:54:17,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 165 transitions, 1812 flow [2024-10-11 23:54:17,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 165 transitions, 1708 flow, removed 14 selfloop flow, removed 8 redundant places. [2024-10-11 23:54:17,268 INFO L231 Difference]: Finished difference. Result has 109 places, 121 transitions, 1284 flow [2024-10-11 23:54:17,268 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=984, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1284, PETRI_PLACES=109, PETRI_TRANSITIONS=121} [2024-10-11 23:54:17,269 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 74 predicate places. [2024-10-11 23:54:17,269 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 121 transitions, 1284 flow [2024-10-11 23:54:17,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:17,269 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:17,269 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:17,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 23:54:17,270 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:17,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:17,270 INFO L85 PathProgramCache]: Analyzing trace with hash 162080825, now seen corresponding path program 4 times [2024-10-11 23:54:17,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:17,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821247993] [2024-10-11 23:54:17,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:17,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:17,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:17,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:17,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821247993] [2024-10-11 23:54:17,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821247993] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:17,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:17,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:54:17,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822573385] [2024-10-11 23:54:17,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:17,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:54:17,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:17,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:54:17,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-11 23:54:17,603 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:17,603 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 121 transitions, 1284 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:17,603 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:17,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:17,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:18,452 INFO L124 PetriNetUnfolderBase]: 1687/3017 cut-off events. [2024-10-11 23:54:18,453 INFO L125 PetriNetUnfolderBase]: For 15362/15378 co-relation queries the response was YES. [2024-10-11 23:54:18,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14008 conditions, 3017 events. 1687/3017 cut-off events. For 15362/15378 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 19354 event pairs, 844 based on Foata normal form. 70/2903 useless extension candidates. Maximal degree in co-relation 12623. Up to 1740 conditions per place. [2024-10-11 23:54:18,482 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 114 selfloop transitions, 64 changer transitions 8/187 dead transitions. [2024-10-11 23:54:18,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 187 transitions, 2168 flow [2024-10-11 23:54:18,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 23:54:18,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-11 23:54:18,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 173 transitions. [2024-10-11 23:54:18,485 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3634453781512605 [2024-10-11 23:54:18,485 INFO L175 Difference]: Start difference. First operand has 109 places, 121 transitions, 1284 flow. Second operand 14 states and 173 transitions. [2024-10-11 23:54:18,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 187 transitions, 2168 flow [2024-10-11 23:54:18,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 187 transitions, 2026 flow, removed 26 selfloop flow, removed 8 redundant places. [2024-10-11 23:54:18,530 INFO L231 Difference]: Finished difference. Result has 117 places, 134 transitions, 1514 flow [2024-10-11 23:54:18,532 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1152, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1514, PETRI_PLACES=117, PETRI_TRANSITIONS=134} [2024-10-11 23:54:18,533 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 82 predicate places. [2024-10-11 23:54:18,533 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 134 transitions, 1514 flow [2024-10-11 23:54:18,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:18,537 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:18,537 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:18,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 23:54:18,538 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:18,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:18,538 INFO L85 PathProgramCache]: Analyzing trace with hash 161878791, now seen corresponding path program 3 times [2024-10-11 23:54:18,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:18,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535679826] [2024-10-11 23:54:18,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:18,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:18,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:18,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:18,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535679826] [2024-10-11 23:54:18,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535679826] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:18,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:18,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:54:18,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220793029] [2024-10-11 23:54:18,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:18,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:54:18,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:18,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:54:18,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-11 23:54:18,857 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:18,857 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 134 transitions, 1514 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:18,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:18,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:18,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:19,820 INFO L124 PetriNetUnfolderBase]: 1700/3117 cut-off events. [2024-10-11 23:54:19,821 INFO L125 PetriNetUnfolderBase]: For 21815/21819 co-relation queries the response was YES. [2024-10-11 23:54:19,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15396 conditions, 3117 events. 1700/3117 cut-off events. For 21815/21819 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 20771 event pairs, 828 based on Foata normal form. 82/3033 useless extension candidates. Maximal degree in co-relation 15254. Up to 1882 conditions per place. [2024-10-11 23:54:19,854 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 105 selfloop transitions, 81 changer transitions 10/197 dead transitions. [2024-10-11 23:54:19,855 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 197 transitions, 2314 flow [2024-10-11 23:54:19,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 23:54:19,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-11 23:54:19,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 207 transitions. [2024-10-11 23:54:19,857 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3382352941176471 [2024-10-11 23:54:19,857 INFO L175 Difference]: Start difference. First operand has 117 places, 134 transitions, 1514 flow. Second operand 18 states and 207 transitions. [2024-10-11 23:54:19,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 197 transitions, 2314 flow [2024-10-11 23:54:19,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 197 transitions, 2182 flow, removed 40 selfloop flow, removed 6 redundant places. [2024-10-11 23:54:19,915 INFO L231 Difference]: Finished difference. Result has 131 places, 138 transitions, 1661 flow [2024-10-11 23:54:19,916 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1410, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1661, PETRI_PLACES=131, PETRI_TRANSITIONS=138} [2024-10-11 23:54:19,917 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 96 predicate places. [2024-10-11 23:54:19,917 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 138 transitions, 1661 flow [2024-10-11 23:54:19,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:19,917 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:19,917 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:19,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 23:54:19,918 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:19,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:19,918 INFO L85 PathProgramCache]: Analyzing trace with hash 982595489, now seen corresponding path program 1 times [2024-10-11 23:54:19,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:19,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739377065] [2024-10-11 23:54:19,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:19,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:19,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:19,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:19,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739377065] [2024-10-11 23:54:19,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739377065] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:19,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:19,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:54:19,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984642881] [2024-10-11 23:54:19,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:19,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:54:19,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:19,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:54:19,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:54:19,998 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 34 [2024-10-11 23:54:19,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 138 transitions, 1661 flow. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:19,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:19,999 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 34 [2024-10-11 23:54:19,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:20,269 INFO L124 PetriNetUnfolderBase]: 836/1583 cut-off events. [2024-10-11 23:54:20,269 INFO L125 PetriNetUnfolderBase]: For 10489/10489 co-relation queries the response was YES. [2024-10-11 23:54:20,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7512 conditions, 1583 events. 836/1583 cut-off events. For 10489/10489 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 10005 event pairs, 62 based on Foata normal form. 0/1503 useless extension candidates. Maximal degree in co-relation 6785. Up to 924 conditions per place. [2024-10-11 23:54:20,280 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 216 selfloop transitions, 7 changer transitions 6/229 dead transitions. [2024-10-11 23:54:20,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 229 transitions, 3264 flow [2024-10-11 23:54:20,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:54:20,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-11 23:54:20,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 66 transitions. [2024-10-11 23:54:20,283 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4852941176470588 [2024-10-11 23:54:20,283 INFO L175 Difference]: Start difference. First operand has 131 places, 138 transitions, 1661 flow. Second operand 4 states and 66 transitions. [2024-10-11 23:54:20,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 229 transitions, 3264 flow [2024-10-11 23:54:20,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 229 transitions, 3115 flow, removed 9 selfloop flow, removed 12 redundant places. [2024-10-11 23:54:20,310 INFO L231 Difference]: Finished difference. Result has 119 places, 95 transitions, 1019 flow [2024-10-11 23:54:20,310 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1033, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1019, PETRI_PLACES=119, PETRI_TRANSITIONS=95} [2024-10-11 23:54:20,311 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 84 predicate places. [2024-10-11 23:54:20,312 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 95 transitions, 1019 flow [2024-10-11 23:54:20,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:20,313 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:20,313 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:20,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 23:54:20,313 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:20,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:20,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1524550870, now seen corresponding path program 1 times [2024-10-11 23:54:20,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:20,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629639672] [2024-10-11 23:54:20,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:20,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:20,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:20,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:20,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629639672] [2024-10-11 23:54:20,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629639672] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:20,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:20,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 23:54:20,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903341240] [2024-10-11 23:54:20,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:20,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 23:54:20,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:20,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 23:54:20,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:54:20,760 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:20,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 95 transitions, 1019 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:20,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:20,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:20,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:21,339 INFO L124 PetriNetUnfolderBase]: 700/1339 cut-off events. [2024-10-11 23:54:21,339 INFO L125 PetriNetUnfolderBase]: For 7784/7784 co-relation queries the response was YES. [2024-10-11 23:54:21,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6945 conditions, 1339 events. 700/1339 cut-off events. For 7784/7784 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 7667 event pairs, 185 based on Foata normal form. 0/1251 useless extension candidates. Maximal degree in co-relation 6802. Up to 378 conditions per place. [2024-10-11 23:54:21,355 INFO L140 encePairwiseOnDemand]: 26/34 looper letters, 106 selfloop transitions, 39 changer transitions 0/145 dead transitions. [2024-10-11 23:54:21,356 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 145 transitions, 1558 flow [2024-10-11 23:54:21,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 23:54:21,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-11 23:54:21,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 134 transitions. [2024-10-11 23:54:21,357 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3582887700534759 [2024-10-11 23:54:21,360 INFO L175 Difference]: Start difference. First operand has 119 places, 95 transitions, 1019 flow. Second operand 11 states and 134 transitions. [2024-10-11 23:54:21,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 145 transitions, 1558 flow [2024-10-11 23:54:21,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 145 transitions, 1523 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 23:54:21,399 INFO L231 Difference]: Finished difference. Result has 130 places, 97 transitions, 1138 flow [2024-10-11 23:54:21,399 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1011, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1138, PETRI_PLACES=130, PETRI_TRANSITIONS=97} [2024-10-11 23:54:21,400 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 95 predicate places. [2024-10-11 23:54:21,401 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 97 transitions, 1138 flow [2024-10-11 23:54:21,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:21,401 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:21,401 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:21,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 23:54:21,401 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:21,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:21,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1749510291, now seen corresponding path program 1 times [2024-10-11 23:54:21,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:21,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099950369] [2024-10-11 23:54:21,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:21,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:21,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:21,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:21,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099950369] [2024-10-11 23:54:21,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099950369] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:21,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:21,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 23:54:21,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026245190] [2024-10-11 23:54:21,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:21,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:54:21,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:21,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:54:21,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:54:21,882 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:21,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 97 transitions, 1138 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:21,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:21,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:21,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:22,768 INFO L124 PetriNetUnfolderBase]: 716/1367 cut-off events. [2024-10-11 23:54:22,768 INFO L125 PetriNetUnfolderBase]: For 10270/10270 co-relation queries the response was YES. [2024-10-11 23:54:22,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7179 conditions, 1367 events. 716/1367 cut-off events. For 10270/10270 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 7913 event pairs, 114 based on Foata normal form. 30/1349 useless extension candidates. Maximal degree in co-relation 7027. Up to 516 conditions per place. [2024-10-11 23:54:22,785 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 107 selfloop transitions, 70 changer transitions 22/199 dead transitions. [2024-10-11 23:54:22,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 199 transitions, 2020 flow [2024-10-11 23:54:22,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-11 23:54:22,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2024-10-11 23:54:22,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 272 transitions. [2024-10-11 23:54:22,787 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2857142857142857 [2024-10-11 23:54:22,787 INFO L175 Difference]: Start difference. First operand has 130 places, 97 transitions, 1138 flow. Second operand 28 states and 272 transitions. [2024-10-11 23:54:22,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 199 transitions, 2020 flow [2024-10-11 23:54:22,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 199 transitions, 1914 flow, removed 18 selfloop flow, removed 6 redundant places. [2024-10-11 23:54:22,831 INFO L231 Difference]: Finished difference. Result has 155 places, 104 transitions, 1298 flow [2024-10-11 23:54:22,831 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1020, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=1298, PETRI_PLACES=155, PETRI_TRANSITIONS=104} [2024-10-11 23:54:22,832 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 120 predicate places. [2024-10-11 23:54:22,832 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 104 transitions, 1298 flow [2024-10-11 23:54:22,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:22,833 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:22,833 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:22,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 23:54:22,833 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:22,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:22,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1747636342, now seen corresponding path program 2 times [2024-10-11 23:54:22,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:22,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35064063] [2024-10-11 23:54:22,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:22,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:23,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:23,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:23,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35064063] [2024-10-11 23:54:23,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35064063] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:23,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:23,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:54:23,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936397565] [2024-10-11 23:54:23,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:23,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 23:54:23,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:23,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 23:54:23,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:54:23,028 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:23,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 104 transitions, 1298 flow. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:23,028 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:23,028 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:23,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:23,452 INFO L124 PetriNetUnfolderBase]: 730/1403 cut-off events. [2024-10-11 23:54:23,452 INFO L125 PetriNetUnfolderBase]: For 11437/11437 co-relation queries the response was YES. [2024-10-11 23:54:23,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7443 conditions, 1403 events. 730/1403 cut-off events. For 11437/11437 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 8219 event pairs, 248 based on Foata normal form. 30/1369 useless extension candidates. Maximal degree in co-relation 7322. Up to 402 conditions per place. [2024-10-11 23:54:23,464 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 108 selfloop transitions, 24 changer transitions 14/146 dead transitions. [2024-10-11 23:54:23,464 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 146 transitions, 1812 flow [2024-10-11 23:54:23,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 23:54:23,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-11 23:54:23,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 116 transitions. [2024-10-11 23:54:23,467 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3790849673202614 [2024-10-11 23:54:23,467 INFO L175 Difference]: Start difference. First operand has 155 places, 104 transitions, 1298 flow. Second operand 9 states and 116 transitions. [2024-10-11 23:54:23,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 146 transitions, 1812 flow [2024-10-11 23:54:23,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 146 transitions, 1667 flow, removed 33 selfloop flow, removed 18 redundant places. [2024-10-11 23:54:23,515 INFO L231 Difference]: Finished difference. Result has 144 places, 94 transitions, 1120 flow [2024-10-11 23:54:23,515 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1165, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1120, PETRI_PLACES=144, PETRI_TRANSITIONS=94} [2024-10-11 23:54:23,517 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 109 predicate places. [2024-10-11 23:54:23,517 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 94 transitions, 1120 flow [2024-10-11 23:54:23,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:23,518 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:23,518 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:23,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 23:54:23,518 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:23,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:23,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1603530772, now seen corresponding path program 1 times [2024-10-11 23:54:23,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:23,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998339283] [2024-10-11 23:54:23,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:23,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:23,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:23,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:23,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998339283] [2024-10-11 23:54:23,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998339283] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:23,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:23,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:54:23,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702176234] [2024-10-11 23:54:23,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:23,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 23:54:23,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:23,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 23:54:23,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:54:23,707 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:23,707 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 94 transitions, 1120 flow. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:23,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:23,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:23,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:24,047 INFO L124 PetriNetUnfolderBase]: 594/1149 cut-off events. [2024-10-11 23:54:24,049 INFO L125 PetriNetUnfolderBase]: For 8861/8861 co-relation queries the response was YES. [2024-10-11 23:54:24,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6031 conditions, 1149 events. 594/1149 cut-off events. For 8861/8861 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 6396 event pairs, 199 based on Foata normal form. 0/1117 useless extension candidates. Maximal degree in co-relation 5933. Up to 444 conditions per place. [2024-10-11 23:54:24,063 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 101 selfloop transitions, 23 changer transitions 0/124 dead transitions. [2024-10-11 23:54:24,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 124 transitions, 1487 flow [2024-10-11 23:54:24,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 23:54:24,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-11 23:54:24,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 102 transitions. [2024-10-11 23:54:24,065 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.375 [2024-10-11 23:54:24,065 INFO L175 Difference]: Start difference. First operand has 144 places, 94 transitions, 1120 flow. Second operand 8 states and 102 transitions. [2024-10-11 23:54:24,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 124 transitions, 1487 flow [2024-10-11 23:54:24,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 124 transitions, 1382 flow, removed 27 selfloop flow, removed 11 redundant places. [2024-10-11 23:54:24,105 INFO L231 Difference]: Finished difference. Result has 139 places, 96 transitions, 1119 flow [2024-10-11 23:54:24,105 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1025, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1119, PETRI_PLACES=139, PETRI_TRANSITIONS=96} [2024-10-11 23:54:24,106 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 104 predicate places. [2024-10-11 23:54:24,106 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 96 transitions, 1119 flow [2024-10-11 23:54:24,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:24,106 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:24,106 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:24,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 23:54:24,107 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:24,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:24,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1603530771, now seen corresponding path program 1 times [2024-10-11 23:54:24,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:24,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473751270] [2024-10-11 23:54:24,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:24,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:24,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:24,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:24,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473751270] [2024-10-11 23:54:24,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473751270] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:24,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:24,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 23:54:24,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345974052] [2024-10-11 23:54:24,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:24,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:54:24,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:24,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:54:24,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:54:24,546 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:24,546 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 96 transitions, 1119 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:24,546 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:24,546 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:24,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:25,259 INFO L124 PetriNetUnfolderBase]: 592/1155 cut-off events. [2024-10-11 23:54:25,260 INFO L125 PetriNetUnfolderBase]: For 8881/8881 co-relation queries the response was YES. [2024-10-11 23:54:25,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5900 conditions, 1155 events. 592/1155 cut-off events. For 8881/8881 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 6510 event pairs, 191 based on Foata normal form. 32/1187 useless extension candidates. Maximal degree in co-relation 5803. Up to 414 conditions per place. [2024-10-11 23:54:25,271 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 80 selfloop transitions, 38 changer transitions 36/154 dead transitions. [2024-10-11 23:54:25,271 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 154 transitions, 1699 flow [2024-10-11 23:54:25,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 23:54:25,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-10-11 23:54:25,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 198 transitions. [2024-10-11 23:54:25,273 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2911764705882353 [2024-10-11 23:54:25,273 INFO L175 Difference]: Start difference. First operand has 139 places, 96 transitions, 1119 flow. Second operand 20 states and 198 transitions. [2024-10-11 23:54:25,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 154 transitions, 1699 flow [2024-10-11 23:54:25,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 154 transitions, 1659 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-10-11 23:54:25,301 INFO L231 Difference]: Finished difference. Result has 156 places, 82 transitions, 980 flow [2024-10-11 23:54:25,302 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1069, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=980, PETRI_PLACES=156, PETRI_TRANSITIONS=82} [2024-10-11 23:54:25,303 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 121 predicate places. [2024-10-11 23:54:25,303 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 82 transitions, 980 flow [2024-10-11 23:54:25,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:25,304 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:25,304 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:25,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 23:54:25,304 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:25,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:25,305 INFO L85 PathProgramCache]: Analyzing trace with hash -551526517, now seen corresponding path program 2 times [2024-10-11 23:54:25,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:25,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423429771] [2024-10-11 23:54:25,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:25,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:25,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:25,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:25,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423429771] [2024-10-11 23:54:25,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423429771] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:25,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:25,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 23:54:25,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515345275] [2024-10-11 23:54:25,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:25,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 23:54:25,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:25,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 23:54:25,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:54:25,688 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:25,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 82 transitions, 980 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:25,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:25,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:25,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:26,199 INFO L124 PetriNetUnfolderBase]: 459/894 cut-off events. [2024-10-11 23:54:26,199 INFO L125 PetriNetUnfolderBase]: For 7009/7009 co-relation queries the response was YES. [2024-10-11 23:54:26,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4742 conditions, 894 events. 459/894 cut-off events. For 7009/7009 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4673 event pairs, 102 based on Foata normal form. 10/904 useless extension candidates. Maximal degree in co-relation 4663. Up to 390 conditions per place. [2024-10-11 23:54:26,205 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 50 selfloop transitions, 35 changer transitions 42/127 dead transitions. [2024-10-11 23:54:26,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 127 transitions, 1370 flow [2024-10-11 23:54:26,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 23:54:26,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-10-11 23:54:26,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 186 transitions. [2024-10-11 23:54:26,207 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2735294117647059 [2024-10-11 23:54:26,207 INFO L175 Difference]: Start difference. First operand has 156 places, 82 transitions, 980 flow. Second operand 20 states and 186 transitions. [2024-10-11 23:54:26,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 127 transitions, 1370 flow [2024-10-11 23:54:26,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 127 transitions, 1203 flow, removed 18 selfloop flow, removed 26 redundant places. [2024-10-11 23:54:26,232 INFO L231 Difference]: Finished difference. Result has 140 places, 65 transitions, 723 flow [2024-10-11 23:54:26,232 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=797, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=723, PETRI_PLACES=140, PETRI_TRANSITIONS=65} [2024-10-11 23:54:26,233 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 105 predicate places. [2024-10-11 23:54:26,233 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 65 transitions, 723 flow [2024-10-11 23:54:26,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:26,235 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:26,235 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:26,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 23:54:26,236 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:26,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:26,236 INFO L85 PathProgramCache]: Analyzing trace with hash -578070548, now seen corresponding path program 2 times [2024-10-11 23:54:26,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:26,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005480692] [2024-10-11 23:54:26,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:26,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:26,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:26,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:26,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005480692] [2024-10-11 23:54:26,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005480692] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:26,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:26,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:54:26,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144061067] [2024-10-11 23:54:26,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:26,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 23:54:26,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:26,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 23:54:26,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:54:26,435 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:26,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 65 transitions, 723 flow. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:26,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:26,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:26,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:26,677 INFO L124 PetriNetUnfolderBase]: 413/802 cut-off events. [2024-10-11 23:54:26,678 INFO L125 PetriNetUnfolderBase]: For 4568/4568 co-relation queries the response was YES. [2024-10-11 23:54:26,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3962 conditions, 802 events. 413/802 cut-off events. For 4568/4568 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4087 event pairs, 96 based on Foata normal form. 32/834 useless extension candidates. Maximal degree in co-relation 3914. Up to 340 conditions per place. [2024-10-11 23:54:26,684 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 67 selfloop transitions, 19 changer transitions 0/86 dead transitions. [2024-10-11 23:54:26,684 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 86 transitions, 973 flow [2024-10-11 23:54:26,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:54:26,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-11 23:54:26,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 81 transitions. [2024-10-11 23:54:26,686 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3403361344537815 [2024-10-11 23:54:26,686 INFO L175 Difference]: Start difference. First operand has 140 places, 65 transitions, 723 flow. Second operand 7 states and 81 transitions. [2024-10-11 23:54:26,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 86 transitions, 973 flow [2024-10-11 23:54:26,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 86 transitions, 866 flow, removed 10 selfloop flow, removed 19 redundant places. [2024-10-11 23:54:26,700 INFO L231 Difference]: Finished difference. Result has 112 places, 67 transitions, 706 flow [2024-10-11 23:54:26,700 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=623, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=706, PETRI_PLACES=112, PETRI_TRANSITIONS=67} [2024-10-11 23:54:26,701 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 77 predicate places. [2024-10-11 23:54:26,701 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 67 transitions, 706 flow [2024-10-11 23:54:26,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:26,701 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:26,701 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:26,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 23:54:26,701 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:26,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:26,702 INFO L85 PathProgramCache]: Analyzing trace with hash -310528147, now seen corresponding path program 2 times [2024-10-11 23:54:26,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:26,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597509552] [2024-10-11 23:54:26,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:26,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:27,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:27,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:27,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597509552] [2024-10-11 23:54:27,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597509552] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:27,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:27,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 23:54:27,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339125514] [2024-10-11 23:54:27,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:27,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:54:27,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:27,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:54:27,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:54:27,160 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:27,161 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 67 transitions, 706 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:27,161 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:27,161 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:27,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:27,888 INFO L124 PetriNetUnfolderBase]: 383/748 cut-off events. [2024-10-11 23:54:27,888 INFO L125 PetriNetUnfolderBase]: For 3563/3563 co-relation queries the response was YES. [2024-10-11 23:54:27,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3656 conditions, 748 events. 383/748 cut-off events. For 3563/3563 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3817 event pairs, 70 based on Foata normal form. 32/780 useless extension candidates. Maximal degree in co-relation 3614. Up to 254 conditions per place. [2024-10-11 23:54:27,893 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 74 selfloop transitions, 32 changer transitions 30/136 dead transitions. [2024-10-11 23:54:27,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 136 transitions, 1272 flow [2024-10-11 23:54:27,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-11 23:54:27,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-10-11 23:54:27,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 232 transitions. [2024-10-11 23:54:27,896 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.26244343891402716 [2024-10-11 23:54:27,896 INFO L175 Difference]: Start difference. First operand has 112 places, 67 transitions, 706 flow. Second operand 26 states and 232 transitions. [2024-10-11 23:54:27,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 136 transitions, 1272 flow [2024-10-11 23:54:27,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 136 transitions, 1241 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-10-11 23:54:27,914 INFO L231 Difference]: Finished difference. Result has 136 places, 58 transitions, 604 flow [2024-10-11 23:54:27,914 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=668, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=604, PETRI_PLACES=136, PETRI_TRANSITIONS=58} [2024-10-11 23:54:27,914 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 101 predicate places. [2024-10-11 23:54:27,915 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 58 transitions, 604 flow [2024-10-11 23:54:27,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:27,915 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:27,915 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:27,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 23:54:27,915 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:27,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:27,916 INFO L85 PathProgramCache]: Analyzing trace with hash -310528148, now seen corresponding path program 3 times [2024-10-11 23:54:27,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:27,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618049466] [2024-10-11 23:54:27,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:27,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:28,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:28,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:28,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618049466] [2024-10-11 23:54:28,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618049466] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:28,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:28,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 23:54:28,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935333544] [2024-10-11 23:54:28,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:28,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 23:54:28,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:28,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 23:54:28,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:54:28,242 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:28,242 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 58 transitions, 604 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:28,242 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:28,242 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:28,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:28,570 INFO L124 PetriNetUnfolderBase]: 291/582 cut-off events. [2024-10-11 23:54:28,571 INFO L125 PetriNetUnfolderBase]: For 3086/3086 co-relation queries the response was YES. [2024-10-11 23:54:28,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2900 conditions, 582 events. 291/582 cut-off events. For 3086/3086 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2759 event pairs, 84 based on Foata normal form. 8/590 useless extension candidates. Maximal degree in co-relation 2853. Up to 244 conditions per place. [2024-10-11 23:54:28,575 INFO L140 encePairwiseOnDemand]: 26/34 looper letters, 58 selfloop transitions, 17 changer transitions 13/88 dead transitions. [2024-10-11 23:54:28,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 88 transitions, 888 flow [2024-10-11 23:54:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 23:54:28,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-11 23:54:28,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 107 transitions. [2024-10-11 23:54:28,577 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31470588235294117 [2024-10-11 23:54:28,577 INFO L175 Difference]: Start difference. First operand has 136 places, 58 transitions, 604 flow. Second operand 10 states and 107 transitions. [2024-10-11 23:54:28,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 88 transitions, 888 flow [2024-10-11 23:54:28,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 88 transitions, 726 flow, removed 19 selfloop flow, removed 30 redundant places. [2024-10-11 23:54:28,587 INFO L231 Difference]: Finished difference. Result has 108 places, 52 transitions, 435 flow [2024-10-11 23:54:28,587 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=435, PETRI_PLACES=108, PETRI_TRANSITIONS=52} [2024-10-11 23:54:28,587 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 73 predicate places. [2024-10-11 23:54:28,588 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 52 transitions, 435 flow [2024-10-11 23:54:28,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:28,588 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:28,588 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:28,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 23:54:28,589 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:28,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:28,589 INFO L85 PathProgramCache]: Analyzing trace with hash 941264484, now seen corresponding path program 3 times [2024-10-11 23:54:28,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:28,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697239643] [2024-10-11 23:54:28,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:28,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:28,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:28,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:28,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697239643] [2024-10-11 23:54:28,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697239643] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:28,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:28,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 23:54:28,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539877706] [2024-10-11 23:54:28,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:28,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 23:54:28,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:28,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 23:54:28,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:54:28,894 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:28,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 52 transitions, 435 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:28,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:28,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:28,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:29,126 INFO L124 PetriNetUnfolderBase]: 204/419 cut-off events. [2024-10-11 23:54:29,126 INFO L125 PetriNetUnfolderBase]: For 1480/1480 co-relation queries the response was YES. [2024-10-11 23:54:29,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1874 conditions, 419 events. 204/419 cut-off events. For 1480/1480 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1845 event pairs, 42 based on Foata normal form. 40/459 useless extension candidates. Maximal degree in co-relation 1842. Up to 186 conditions per place. [2024-10-11 23:54:29,128 INFO L140 encePairwiseOnDemand]: 26/34 looper letters, 45 selfloop transitions, 16 changer transitions 6/67 dead transitions. [2024-10-11 23:54:29,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 67 transitions, 603 flow [2024-10-11 23:54:29,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:54:29,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-11 23:54:29,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 76 transitions. [2024-10-11 23:54:29,129 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31932773109243695 [2024-10-11 23:54:29,129 INFO L175 Difference]: Start difference. First operand has 108 places, 52 transitions, 435 flow. Second operand 7 states and 76 transitions. [2024-10-11 23:54:29,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 67 transitions, 603 flow [2024-10-11 23:54:29,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 67 transitions, 525 flow, removed 4 selfloop flow, removed 13 redundant places. [2024-10-11 23:54:29,135 INFO L231 Difference]: Finished difference. Result has 89 places, 44 transitions, 308 flow [2024-10-11 23:54:29,135 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=308, PETRI_PLACES=89, PETRI_TRANSITIONS=44} [2024-10-11 23:54:29,137 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 54 predicate places. [2024-10-11 23:54:29,137 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 44 transitions, 308 flow [2024-10-11 23:54:29,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:29,137 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:29,138 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:29,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 23:54:29,138 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:29,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:29,138 INFO L85 PathProgramCache]: Analyzing trace with hash 946713355, now seen corresponding path program 3 times [2024-10-11 23:54:29,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:29,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397669627] [2024-10-11 23:54:29,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:29,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:29,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:29,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:29,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397669627] [2024-10-11 23:54:29,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397669627] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:29,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:29,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 23:54:29,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94432404] [2024-10-11 23:54:29,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:29,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 23:54:29,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:29,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 23:54:29,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:54:29,522 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:29,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 44 transitions, 308 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:29,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:29,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:29,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:29,892 INFO L124 PetriNetUnfolderBase]: 126/263 cut-off events. [2024-10-11 23:54:29,892 INFO L125 PetriNetUnfolderBase]: For 732/732 co-relation queries the response was YES. [2024-10-11 23:54:29,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1135 conditions, 263 events. 126/263 cut-off events. For 732/732 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 998 event pairs, 12 based on Foata normal form. 20/283 useless extension candidates. Maximal degree in co-relation 1125. Up to 54 conditions per place. [2024-10-11 23:54:29,893 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 24 selfloop transitions, 17 changer transitions 37/78 dead transitions. [2024-10-11 23:54:29,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 78 transitions, 592 flow [2024-10-11 23:54:29,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 23:54:29,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-10-11 23:54:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 133 transitions. [2024-10-11 23:54:29,894 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.24448529411764705 [2024-10-11 23:54:29,894 INFO L175 Difference]: Start difference. First operand has 89 places, 44 transitions, 308 flow. Second operand 16 states and 133 transitions. [2024-10-11 23:54:29,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 78 transitions, 592 flow [2024-10-11 23:54:29,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 78 transitions, 512 flow, removed 4 selfloop flow, removed 10 redundant places. [2024-10-11 23:54:29,896 INFO L231 Difference]: Finished difference. Result has 83 places, 29 transitions, 180 flow [2024-10-11 23:54:29,897 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=180, PETRI_PLACES=83, PETRI_TRANSITIONS=29} [2024-10-11 23:54:29,897 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 48 predicate places. [2024-10-11 23:54:29,897 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 29 transitions, 180 flow [2024-10-11 23:54:29,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:29,897 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:54:29,897 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:54:29,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 23:54:29,897 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-11 23:54:29,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:54:29,898 INFO L85 PathProgramCache]: Analyzing trace with hash 946928395, now seen corresponding path program 3 times [2024-10-11 23:54:29,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:54:29,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026588834] [2024-10-11 23:54:29,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:54:29,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:54:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:54:30,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:54:30,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:54:30,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026588834] [2024-10-11 23:54:30,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026588834] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:54:30,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:54:30,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 23:54:30,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961080145] [2024-10-11 23:54:30,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:54:30,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 23:54:30,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:54:30,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 23:54:30,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:54:30,326 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-11 23:54:30,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 29 transitions, 180 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:30,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:54:30,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-11 23:54:30,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:54:30,595 INFO L124 PetriNetUnfolderBase]: 44/101 cut-off events. [2024-10-11 23:54:30,596 INFO L125 PetriNetUnfolderBase]: For 114/114 co-relation queries the response was YES. [2024-10-11 23:54:30,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 101 events. 44/101 cut-off events. For 114/114 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 257 event pairs, 4 based on Foata normal form. 8/109 useless extension candidates. Maximal degree in co-relation 418. Up to 28 conditions per place. [2024-10-11 23:54:30,596 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 0 selfloop transitions, 0 changer transitions 44/44 dead transitions. [2024-10-11 23:54:30,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 44 transitions, 310 flow [2024-10-11 23:54:30,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 23:54:30,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-10-11 23:54:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 95 transitions. [2024-10-11 23:54:30,599 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2149321266968326 [2024-10-11 23:54:30,599 INFO L175 Difference]: Start difference. First operand has 83 places, 29 transitions, 180 flow. Second operand 13 states and 95 transitions. [2024-10-11 23:54:30,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 44 transitions, 310 flow [2024-10-11 23:54:30,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 44 transitions, 243 flow, removed 1 selfloop flow, removed 19 redundant places. [2024-10-11 23:54:30,601 INFO L231 Difference]: Finished difference. Result has 54 places, 0 transitions, 0 flow [2024-10-11 23:54:30,601 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=54, PETRI_TRANSITIONS=0} [2024-10-11 23:54:30,601 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 19 predicate places. [2024-10-11 23:54:30,601 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 0 transitions, 0 flow [2024-10-11 23:54:30,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:54:30,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-10-11 23:54:30,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-10-11 23:54:30,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-11 23:54:30,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-11 23:54:30,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-11 23:54:30,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-11 23:54:30,606 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-11 23:54:30,606 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-11 23:54:30,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-11 23:54:30,606 INFO L407 BasicCegarLoop]: Path program histogram: [4, 3, 3, 3, 3, 3, 1, 1, 1] [2024-10-11 23:54:30,612 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 23:54:30,613 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 23:54:30,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 11:54:30 BasicIcfg [2024-10-11 23:54:30,618 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 23:54:30,619 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 23:54:30,619 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 23:54:30,619 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 23:54:30,620 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:54:08" (3/4) ... [2024-10-11 23:54:30,621 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 23:54:30,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-10-11 23:54:30,635 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 120 nodes and edges [2024-10-11 23:54:30,635 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2024-10-11 23:54:30,635 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-11 23:54:30,636 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 23:54:30,738 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 23:54:30,738 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 23:54:30,739 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 23:54:30,739 INFO L158 Benchmark]: Toolchain (without parser) took 24015.84ms. Allocated memory was 132.1MB in the beginning and 809.5MB in the end (delta: 677.4MB). Free memory was 57.0MB in the beginning and 308.0MB in the end (delta: -251.0MB). Peak memory consumption was 429.5MB. Max. memory is 16.1GB. [2024-10-11 23:54:30,739 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:54:30,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 691.39ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 56.8MB in the beginning and 139.6MB in the end (delta: -82.7MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-10-11 23:54:30,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.15ms. Allocated memory is still 201.3MB. Free memory was 139.6MB in the beginning and 137.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 23:54:30,740 INFO L158 Benchmark]: Boogie Preprocessor took 65.03ms. Allocated memory is still 201.3MB. Free memory was 137.4MB in the beginning and 133.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 23:54:30,741 INFO L158 Benchmark]: RCFGBuilder took 975.34ms. Allocated memory is still 201.3MB. Free memory was 133.3MB in the beginning and 149.9MB in the end (delta: -16.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-10-11 23:54:30,741 INFO L158 Benchmark]: TraceAbstraction took 22087.73ms. Allocated memory was 201.3MB in the beginning and 809.5MB in the end (delta: 608.2MB). Free memory was 149.9MB in the beginning and 314.3MB in the end (delta: -164.4MB). Peak memory consumption was 446.9MB. Max. memory is 16.1GB. [2024-10-11 23:54:30,742 INFO L158 Benchmark]: Witness Printer took 119.64ms. Allocated memory is still 809.5MB. Free memory was 314.3MB in the beginning and 308.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 23:54:30,743 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 691.39ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 56.8MB in the beginning and 139.6MB in the end (delta: -82.7MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.15ms. Allocated memory is still 201.3MB. Free memory was 139.6MB in the beginning and 137.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.03ms. Allocated memory is still 201.3MB. Free memory was 137.4MB in the beginning and 133.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 975.34ms. Allocated memory is still 201.3MB. Free memory was 133.3MB in the beginning and 149.9MB in the end (delta: -16.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 22087.73ms. Allocated memory was 201.3MB in the beginning and 809.5MB in the end (delta: 608.2MB). Free memory was 149.9MB in the beginning and 314.3MB in the end (delta: -164.4MB). Peak memory consumption was 446.9MB. Max. memory is 16.1GB. * Witness Printer took 119.64ms. Allocated memory is still 809.5MB. Free memory was 314.3MB in the beginning and 308.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3914]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3914]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 42 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 22.0s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 13.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1518 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1517 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 241 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6998 IncrementalHoareTripleChecker+Invalid, 7239 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 241 mSolverCounterUnsat, 0 mSDtfsCounter, 6998 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 354 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 318 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 930 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1661occurred in iteration=9, InterpolantAutomatonStates: 304, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 2383 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 23:54:30,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE