./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 fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 21:50:40,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 21:50:40,074 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 21:50:40,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 21:50:40,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 21:50:40,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 21:50:40,121 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 21:50:40,121 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 21:50:40,122 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 21:50:40,124 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 21:50:40,125 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 21:50:40,125 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 21:50:40,126 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 21:50:40,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 21:50:40,126 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 21:50:40,127 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 21:50:40,128 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 21:50:40,128 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 21:50:40,128 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 21:50:40,128 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 21:50:40,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 21:50:40,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 21:50:40,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 21:50:40,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 21:50:40,130 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 21:50:40,130 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 21:50:40,130 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 21:50:40,130 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 21:50:40,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 21:50:40,131 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 21:50:40,131 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 21:50:40,131 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 21:50:40,131 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 21:50:40,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 21:50:40,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:50:40,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 21:50:40,132 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 21:50:40,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 21:50:40,133 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 21:50:40,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 21:50:40,133 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 21:50:40,134 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 21:50:40,134 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 21:50:40,134 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 21:50:40,134 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 [2024-11-20 21:50:40,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 21:50:40,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 21:50:40,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 21:50:40,442 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 21:50:40,442 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 21:50:40,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2024-11-20 21:50:41,823 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 21:50:42,115 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 21:50:42,116 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2024-11-20 21:50:42,146 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b325c6db/75d920a512e84ffc97dbc76d94a6401e/FLAGc66259d8c [2024-11-20 21:50:42,407 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b325c6db/75d920a512e84ffc97dbc76d94a6401e [2024-11-20 21:50:42,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 21:50:42,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 21:50:42,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 21:50:42,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 21:50:42,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 21:50:42,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:50:42" (1/1) ... [2024-11-20 21:50:42,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1418bded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:42, skipping insertion in model container [2024-11-20 21:50:42,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:50:42" (1/1) ... [2024-11-20 21:50:42,512 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 21:50:42,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:50:42,938 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 21:50:42,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:50:43,038 INFO L204 MainTranslator]: Completed translation [2024-11-20 21:50:43,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:43 WrapperNode [2024-11-20 21:50:43,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 21:50:43,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 21:50:43,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 21:50:43,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 21:50:43,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:43" (1/1) ... [2024-11-20 21:50:43,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:43" (1/1) ... [2024-11-20 21:50:43,074 INFO L138 Inliner]: procedures = 246, calls = 44, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 145 [2024-11-20 21:50:43,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 21:50:43,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 21:50:43,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 21:50:43,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 21:50:43,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:43" (1/1) ... [2024-11-20 21:50:43,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:43" (1/1) ... [2024-11-20 21:50:43,090 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:43" (1/1) ... [2024-11-20 21:50:43,110 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]. [2024-11-20 21:50:43,114 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:43" (1/1) ... [2024-11-20 21:50:43,114 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:43" (1/1) ... [2024-11-20 21:50:43,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:43" (1/1) ... [2024-11-20 21:50:43,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:43" (1/1) ... [2024-11-20 21:50:43,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:43" (1/1) ... [2024-11-20 21:50:43,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:43" (1/1) ... [2024-11-20 21:50:43,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 21:50:43,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 21:50:43,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 21:50:43,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 21:50:43,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:43" (1/1) ... [2024-11-20 21:50:43,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:50:43,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:50:43,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 21:50:43,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 21:50:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-20 21:50:43,267 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-20 21:50:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-20 21:50:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 21:50:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 21:50:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-20 21:50:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 21:50:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 21:50:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 21:50:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 21:50:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 21:50:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 21:50:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 21:50:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 21:50:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 21:50:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 21:50:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 21:50:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 21:50:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 21:50:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 21:50:43,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 21:50:43,269 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 21:50:43,499 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 21:50:43,500 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 21:50:43,893 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 21:50:43,897 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 21:50:44,050 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 21:50:44,050 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 21:50:44,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:50:44 BoogieIcfgContainer [2024-11-20 21:50:44,051 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 21:50:44,053 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 21:50:44,053 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 21:50:44,057 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 21:50:44,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:50:42" (1/3) ... [2024-11-20 21:50:44,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8492478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:50:44, skipping insertion in model container [2024-11-20 21:50:44,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:43" (2/3) ... [2024-11-20 21:50:44,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8492478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:50:44, skipping insertion in model container [2024-11-20 21:50:44,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:50:44" (3/3) ... [2024-11-20 21:50:44,059 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2024-11-20 21:50:44,071 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 21:50:44,072 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 21:50:44,072 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 21:50:44,112 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-20 21:50:44,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 34 transitions, 82 flow [2024-11-20 21:50:44,165 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-11-20 21:50:44,166 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 21:50:44,168 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. [2024-11-20 21:50:44,168 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 34 transitions, 82 flow [2024-11-20 21:50:44,170 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 65 flow [2024-11-20 21:50:44,181 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 21:50:44,187 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;@5700b591, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 21:50:44,187 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-20 21:50:44,193 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 21:50:44,193 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-11-20 21:50:44,194 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 21:50:44,194 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:44,194 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:44,195 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:44,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:44,199 INFO L85 PathProgramCache]: Analyzing trace with hash -504691518, now seen corresponding path program 1 times [2024-11-20 21:50:44,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:44,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19979915] [2024-11-20 21:50:44,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:44,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:44,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:44,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:44,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19979915] [2024-11-20 21:50:44,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19979915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:44,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:44,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 21:50:44,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199331524] [2024-11-20 21:50:44,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:44,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 21:50:44,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:44,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 21:50:44,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:50:44,856 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:50:44,858 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) [2024-11-20 21:50:44,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:44,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:50:44,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:45,214 INFO L124 PetriNetUnfolderBase]: 769/1310 cut-off events. [2024-11-20 21:50:45,215 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-11-20 21:50:45,218 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. [2024-11-20 21:50:45,224 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 20 changer transitions 2/86 dead transitions. [2024-11-20 21:50:45,224 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 86 transitions, 366 flow [2024-11-20 21:50:45,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 21:50:45,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-20 21:50:45,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 129 transitions. [2024-11-20 21:50:45,234 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.37941176470588234 [2024-11-20 21:50:45,235 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 65 flow. Second operand 10 states and 129 transitions. [2024-11-20 21:50:45,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 86 transitions, 366 flow [2024-11-20 21:50:45,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 86 transitions, 355 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-20 21:50:45,241 INFO L231 Difference]: Finished difference. Result has 46 places, 48 transitions, 188 flow [2024-11-20 21:50:45,242 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} [2024-11-20 21:50:45,245 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 11 predicate places. [2024-11-20 21:50:45,245 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 48 transitions, 188 flow [2024-11-20 21:50:45,246 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) [2024-11-20 21:50:45,246 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:45,246 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:45,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 21:50:45,246 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:45,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:45,247 INFO L85 PathProgramCache]: Analyzing trace with hash -263510488, now seen corresponding path program 1 times [2024-11-20 21:50:45,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:45,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276212404] [2024-11-20 21:50:45,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:45,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:45,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:45,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:45,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276212404] [2024-11-20 21:50:45,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276212404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:45,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:45,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 21:50:45,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305502911] [2024-11-20 21:50:45,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:45,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 21:50:45,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:45,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 21:50:45,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:50:45,425 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:50:45,425 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) [2024-11-20 21:50:45,426 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:45,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:50:45,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:45,709 INFO L124 PetriNetUnfolderBase]: 899/1554 cut-off events. [2024-11-20 21:50:45,709 INFO L125 PetriNetUnfolderBase]: For 770/770 co-relation queries the response was YES. [2024-11-20 21:50:45,712 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. [2024-11-20 21:50:45,717 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 26 changer transitions 4/94 dead transitions. [2024-11-20 21:50:45,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 94 transitions, 534 flow [2024-11-20 21:50:45,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 21:50:45,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-20 21:50:45,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 123 transitions. [2024-11-20 21:50:45,719 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.36176470588235293 [2024-11-20 21:50:45,719 INFO L175 Difference]: Start difference. First operand has 46 places, 48 transitions, 188 flow. Second operand 10 states and 123 transitions. [2024-11-20 21:50:45,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 94 transitions, 534 flow [2024-11-20 21:50:45,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 94 transitions, 532 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 21:50:45,724 INFO L231 Difference]: Finished difference. Result has 57 places, 62 transitions, 327 flow [2024-11-20 21:50:45,724 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} [2024-11-20 21:50:45,724 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 22 predicate places. [2024-11-20 21:50:45,725 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 62 transitions, 327 flow [2024-11-20 21:50:45,725 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) [2024-11-20 21:50:45,725 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:45,725 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:45,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 21:50:45,725 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:45,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:45,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1753387897, now seen corresponding path program 1 times [2024-11-20 21:50:45,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:45,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778017512] [2024-11-20 21:50:45,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:45,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:46,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:46,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:46,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778017512] [2024-11-20 21:50:46,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778017512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:46,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:46,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 21:50:46,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668739273] [2024-11-20 21:50:46,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:46,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 21:50:46,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:46,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 21:50:46,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-20 21:50:46,031 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:50:46,031 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) [2024-11-20 21:50:46,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:46,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:50:46,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:46,614 INFO L124 PetriNetUnfolderBase]: 1170/2023 cut-off events. [2024-11-20 21:50:46,614 INFO L125 PetriNetUnfolderBase]: For 1932/1943 co-relation queries the response was YES. [2024-11-20 21:50:46,617 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. [2024-11-20 21:50:46,624 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 80 selfloop transitions, 47 changer transitions 7/135 dead transitions. [2024-11-20 21:50:46,624 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 135 transitions, 884 flow [2024-11-20 21:50:46,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-20 21:50:46,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-20 21:50:46,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 194 transitions. [2024-11-20 21:50:46,626 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3356401384083045 [2024-11-20 21:50:46,626 INFO L175 Difference]: Start difference. First operand has 57 places, 62 transitions, 327 flow. Second operand 17 states and 194 transitions. [2024-11-20 21:50:46,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 135 transitions, 884 flow [2024-11-20 21:50:46,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 135 transitions, 882 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 21:50:46,635 INFO L231 Difference]: Finished difference. Result has 76 places, 78 transitions, 557 flow [2024-11-20 21:50:46,636 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} [2024-11-20 21:50:46,636 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 41 predicate places. [2024-11-20 21:50:46,637 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 78 transitions, 557 flow [2024-11-20 21:50:46,637 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) [2024-11-20 21:50:46,637 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:46,637 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:46,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 21:50:46,638 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:46,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:46,638 INFO L85 PathProgramCache]: Analyzing trace with hash -37422999, now seen corresponding path program 1 times [2024-11-20 21:50:46,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:46,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89709086] [2024-11-20 21:50:46,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:46,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:46,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:46,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:46,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89709086] [2024-11-20 21:50:46,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89709086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:46,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:46,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 21:50:46,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848323861] [2024-11-20 21:50:46,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:46,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 21:50:46,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:46,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 21:50:46,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-20 21:50:46,982 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:50:46,983 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) [2024-11-20 21:50:46,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:46,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:50:46,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:47,437 INFO L124 PetriNetUnfolderBase]: 1249/2203 cut-off events. [2024-11-20 21:50:47,437 INFO L125 PetriNetUnfolderBase]: For 4363/4374 co-relation queries the response was YES. [2024-11-20 21:50:47,442 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. [2024-11-20 21:50:47,449 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 77 selfloop transitions, 41 changer transitions 5/124 dead transitions. [2024-11-20 21:50:47,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 124 transitions, 1011 flow [2024-11-20 21:50:47,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 21:50:47,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-20 21:50:47,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 153 transitions. [2024-11-20 21:50:47,453 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.375 [2024-11-20 21:50:47,453 INFO L175 Difference]: Start difference. First operand has 76 places, 78 transitions, 557 flow. Second operand 12 states and 153 transitions. [2024-11-20 21:50:47,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 124 transitions, 1011 flow [2024-11-20 21:50:47,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 124 transitions, 882 flow, removed 18 selfloop flow, removed 13 redundant places. [2024-11-20 21:50:47,465 INFO L231 Difference]: Finished difference. Result has 77 places, 82 transitions, 584 flow [2024-11-20 21:50:47,465 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} [2024-11-20 21:50:47,466 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 42 predicate places. [2024-11-20 21:50:47,466 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 82 transitions, 584 flow [2024-11-20 21:50:47,467 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) [2024-11-20 21:50:47,467 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:47,468 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:47,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 21:50:47,468 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:47,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:47,468 INFO L85 PathProgramCache]: Analyzing trace with hash -31858585, now seen corresponding path program 2 times [2024-11-20 21:50:47,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:47,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86385662] [2024-11-20 21:50:47,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:47,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:47,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:47,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:47,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86385662] [2024-11-20 21:50:47,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86385662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:47,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:47,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 21:50:47,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501350023] [2024-11-20 21:50:47,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:47,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 21:50:47,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:47,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 21:50:47,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-20 21:50:47,722 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:50:47,722 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) [2024-11-20 21:50:47,722 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:47,722 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:50:47,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:48,267 INFO L124 PetriNetUnfolderBase]: 1484/2586 cut-off events. [2024-11-20 21:50:48,267 INFO L125 PetriNetUnfolderBase]: For 5677/5681 co-relation queries the response was YES. [2024-11-20 21:50:48,273 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. [2024-11-20 21:50:48,281 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 88 selfloop transitions, 69 changer transitions 8/166 dead transitions. [2024-11-20 21:50:48,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 166 transitions, 1393 flow [2024-11-20 21:50:48,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 21:50:48,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-20 21:50:48,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 209 transitions. [2024-11-20 21:50:48,283 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3415032679738562 [2024-11-20 21:50:48,283 INFO L175 Difference]: Start difference. First operand has 77 places, 82 transitions, 584 flow. Second operand 18 states and 209 transitions. [2024-11-20 21:50:48,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 166 transitions, 1393 flow [2024-11-20 21:50:48,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 166 transitions, 1317 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-11-20 21:50:48,294 INFO L231 Difference]: Finished difference. Result has 93 places, 105 transitions, 941 flow [2024-11-20 21:50:48,295 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} [2024-11-20 21:50:48,295 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 58 predicate places. [2024-11-20 21:50:48,295 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 105 transitions, 941 flow [2024-11-20 21:50:48,296 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) [2024-11-20 21:50:48,296 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:48,296 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:48,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 21:50:48,296 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:48,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:48,297 INFO L85 PathProgramCache]: Analyzing trace with hash -32060619, now seen corresponding path program 2 times [2024-11-20 21:50:48,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:48,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459857164] [2024-11-20 21:50:48,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:48,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:48,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:48,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:48,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459857164] [2024-11-20 21:50:48,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459857164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:48,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:48,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 21:50:48,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476116410] [2024-11-20 21:50:48,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:48,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 21:50:48,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:48,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 21:50:48,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-20 21:50:48,556 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:50:48,557 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) [2024-11-20 21:50:48,557 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:48,557 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:50:48,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:49,169 INFO L124 PetriNetUnfolderBase]: 1588/2831 cut-off events. [2024-11-20 21:50:49,169 INFO L125 PetriNetUnfolderBase]: For 10506/10514 co-relation queries the response was YES. [2024-11-20 21:50:49,176 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. [2024-11-20 21:50:49,184 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 87 selfloop transitions, 63 changer transitions 6/157 dead transitions. [2024-11-20 21:50:49,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 157 transitions, 1515 flow [2024-11-20 21:50:49,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 21:50:49,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-20 21:50:49,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 175 transitions. [2024-11-20 21:50:49,186 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.36764705882352944 [2024-11-20 21:50:49,187 INFO L175 Difference]: Start difference. First operand has 93 places, 105 transitions, 941 flow. Second operand 14 states and 175 transitions. [2024-11-20 21:50:49,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 157 transitions, 1515 flow [2024-11-20 21:50:49,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 157 transitions, 1432 flow, removed 12 selfloop flow, removed 8 redundant places. [2024-11-20 21:50:49,204 INFO L231 Difference]: Finished difference. Result has 101 places, 108 transitions, 1070 flow [2024-11-20 21:50:49,204 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} [2024-11-20 21:50:49,205 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 66 predicate places. [2024-11-20 21:50:49,205 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 108 transitions, 1070 flow [2024-11-20 21:50:49,205 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) [2024-11-20 21:50:49,205 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:49,206 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:49,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 21:50:49,206 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:49,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:49,206 INFO L85 PathProgramCache]: Analyzing trace with hash 169230665, now seen corresponding path program 3 times [2024-11-20 21:50:49,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:49,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095249554] [2024-11-20 21:50:49,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:49,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:49,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:49,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:49,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095249554] [2024-11-20 21:50:49,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095249554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:49,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:49,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 21:50:49,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920162428] [2024-11-20 21:50:49,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:49,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 21:50:49,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:49,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 21:50:49,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-20 21:50:49,428 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:50:49,428 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) [2024-11-20 21:50:49,428 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:49,428 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:50:49,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:49,954 INFO L124 PetriNetUnfolderBase]: 1674/2938 cut-off events. [2024-11-20 21:50:49,955 INFO L125 PetriNetUnfolderBase]: For 13002/13015 co-relation queries the response was YES. [2024-11-20 21:50:49,964 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. [2024-11-20 21:50:49,974 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 107 selfloop transitions, 51 changer transitions 6/165 dead transitions. [2024-11-20 21:50:49,975 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 165 transitions, 1812 flow [2024-11-20 21:50:49,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 21:50:49,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-20 21:50:49,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 151 transitions. [2024-11-20 21:50:49,979 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3700980392156863 [2024-11-20 21:50:49,979 INFO L175 Difference]: Start difference. First operand has 101 places, 108 transitions, 1070 flow. Second operand 12 states and 151 transitions. [2024-11-20 21:50:49,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 165 transitions, 1812 flow [2024-11-20 21:50:50,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 165 transitions, 1708 flow, removed 14 selfloop flow, removed 8 redundant places. [2024-11-20 21:50:50,009 INFO L231 Difference]: Finished difference. Result has 109 places, 121 transitions, 1284 flow [2024-11-20 21:50:50,009 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} [2024-11-20 21:50:50,010 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 74 predicate places. [2024-11-20 21:50:50,010 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 121 transitions, 1284 flow [2024-11-20 21:50:50,010 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) [2024-11-20 21:50:50,010 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:50,010 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:50,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 21:50:50,011 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:50,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:50,011 INFO L85 PathProgramCache]: Analyzing trace with hash 162080825, now seen corresponding path program 4 times [2024-11-20 21:50:50,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:50,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961615663] [2024-11-20 21:50:50,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:50,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:50,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:50,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:50,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961615663] [2024-11-20 21:50:50,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961615663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:50,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:50,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 21:50:50,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385126596] [2024-11-20 21:50:50,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:50,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 21:50:50,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:50,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 21:50:50,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-20 21:50:50,232 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:50:50,232 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) [2024-11-20 21:50:50,232 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:50,232 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:50:50,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:50,887 INFO L124 PetriNetUnfolderBase]: 1687/3017 cut-off events. [2024-11-20 21:50:50,888 INFO L125 PetriNetUnfolderBase]: For 15362/15378 co-relation queries the response was YES. [2024-11-20 21:50:50,898 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. [2024-11-20 21:50:50,907 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 114 selfloop transitions, 64 changer transitions 8/187 dead transitions. [2024-11-20 21:50:50,907 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 187 transitions, 2168 flow [2024-11-20 21:50:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 21:50:50,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-20 21:50:50,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 173 transitions. [2024-11-20 21:50:50,909 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3634453781512605 [2024-11-20 21:50:50,909 INFO L175 Difference]: Start difference. First operand has 109 places, 121 transitions, 1284 flow. Second operand 14 states and 173 transitions. [2024-11-20 21:50:50,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 187 transitions, 2168 flow [2024-11-20 21:50:50,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 187 transitions, 2026 flow, removed 26 selfloop flow, removed 8 redundant places. [2024-11-20 21:50:50,942 INFO L231 Difference]: Finished difference. Result has 117 places, 134 transitions, 1514 flow [2024-11-20 21:50:50,942 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} [2024-11-20 21:50:50,943 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 82 predicate places. [2024-11-20 21:50:50,943 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 134 transitions, 1514 flow [2024-11-20 21:50:50,943 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) [2024-11-20 21:50:50,943 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:50,944 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:50,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 21:50:50,944 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:50,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:50,944 INFO L85 PathProgramCache]: Analyzing trace with hash 161878791, now seen corresponding path program 3 times [2024-11-20 21:50:50,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:50,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675929980] [2024-11-20 21:50:50,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:50,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:51,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:51,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:51,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675929980] [2024-11-20 21:50:51,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675929980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:51,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:51,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 21:50:51,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614099572] [2024-11-20 21:50:51,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:51,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 21:50:51,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:51,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 21:50:51,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-20 21:50:51,215 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:50:51,215 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) [2024-11-20 21:50:51,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:51,215 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:50:51,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:51,897 INFO L124 PetriNetUnfolderBase]: 1700/3117 cut-off events. [2024-11-20 21:50:51,897 INFO L125 PetriNetUnfolderBase]: For 21815/21819 co-relation queries the response was YES. [2024-11-20 21:50:51,906 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. [2024-11-20 21:50:51,913 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 105 selfloop transitions, 81 changer transitions 10/197 dead transitions. [2024-11-20 21:50:51,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 197 transitions, 2314 flow [2024-11-20 21:50:51,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 21:50:51,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-20 21:50:51,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 207 transitions. [2024-11-20 21:50:51,915 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3382352941176471 [2024-11-20 21:50:51,915 INFO L175 Difference]: Start difference. First operand has 117 places, 134 transitions, 1514 flow. Second operand 18 states and 207 transitions. [2024-11-20 21:50:51,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 197 transitions, 2314 flow [2024-11-20 21:50:51,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 197 transitions, 2182 flow, removed 40 selfloop flow, removed 6 redundant places. [2024-11-20 21:50:51,952 INFO L231 Difference]: Finished difference. Result has 131 places, 138 transitions, 1661 flow [2024-11-20 21:50:51,952 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} [2024-11-20 21:50:51,953 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 96 predicate places. [2024-11-20 21:50:51,953 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 138 transitions, 1661 flow [2024-11-20 21:50:51,953 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) [2024-11-20 21:50:51,953 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:51,953 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:51,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 21:50:51,953 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:51,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:51,954 INFO L85 PathProgramCache]: Analyzing trace with hash 982595489, now seen corresponding path program 1 times [2024-11-20 21:50:51,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:51,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368312576] [2024-11-20 21:50:51,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:51,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:51,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:51,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:51,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368312576] [2024-11-20 21:50:51,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368312576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:51,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:51,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:50:51,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922064625] [2024-11-20 21:50:51,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:51,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:50:52,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:52,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:50:52,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:50:52,001 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 34 [2024-11-20 21:50:52,001 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) [2024-11-20 21:50:52,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:52,001 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 34 [2024-11-20 21:50:52,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:52,184 INFO L124 PetriNetUnfolderBase]: 836/1583 cut-off events. [2024-11-20 21:50:52,184 INFO L125 PetriNetUnfolderBase]: For 10489/10489 co-relation queries the response was YES. [2024-11-20 21:50:52,188 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. [2024-11-20 21:50:52,193 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 216 selfloop transitions, 7 changer transitions 6/229 dead transitions. [2024-11-20 21:50:52,193 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 229 transitions, 3264 flow [2024-11-20 21:50:52,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:50:52,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 21:50:52,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 66 transitions. [2024-11-20 21:50:52,195 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4852941176470588 [2024-11-20 21:50:52,195 INFO L175 Difference]: Start difference. First operand has 131 places, 138 transitions, 1661 flow. Second operand 4 states and 66 transitions. [2024-11-20 21:50:52,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 229 transitions, 3264 flow [2024-11-20 21:50:52,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 229 transitions, 3115 flow, removed 9 selfloop flow, removed 12 redundant places. [2024-11-20 21:50:52,214 INFO L231 Difference]: Finished difference. Result has 119 places, 95 transitions, 1019 flow [2024-11-20 21:50:52,214 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} [2024-11-20 21:50:52,215 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 84 predicate places. [2024-11-20 21:50:52,215 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 95 transitions, 1019 flow [2024-11-20 21:50:52,215 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) [2024-11-20 21:50:52,215 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:52,216 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:52,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 21:50:52,216 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:52,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:52,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1524550870, now seen corresponding path program 1 times [2024-11-20 21:50:52,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:52,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378382594] [2024-11-20 21:50:52,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:52,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:52,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:52,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:52,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378382594] [2024-11-20 21:50:52,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378382594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:52,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:52,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 21:50:52,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130265993] [2024-11-20 21:50:52,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:52,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 21:50:52,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:52,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 21:50:52,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:50:52,656 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:50:52,657 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) [2024-11-20 21:50:52,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:52,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:50:52,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:53,044 INFO L124 PetriNetUnfolderBase]: 700/1339 cut-off events. [2024-11-20 21:50:53,045 INFO L125 PetriNetUnfolderBase]: For 7784/7784 co-relation queries the response was YES. [2024-11-20 21:50:53,049 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. [2024-11-20 21:50:53,052 INFO L140 encePairwiseOnDemand]: 26/34 looper letters, 106 selfloop transitions, 39 changer transitions 0/145 dead transitions. [2024-11-20 21:50:53,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 145 transitions, 1558 flow [2024-11-20 21:50:53,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 21:50:53,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-20 21:50:53,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 134 transitions. [2024-11-20 21:50:53,053 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3582887700534759 [2024-11-20 21:50:53,053 INFO L175 Difference]: Start difference. First operand has 119 places, 95 transitions, 1019 flow. Second operand 11 states and 134 transitions. [2024-11-20 21:50:53,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 145 transitions, 1558 flow [2024-11-20 21:50:53,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 145 transitions, 1523 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 21:50:53,078 INFO L231 Difference]: Finished difference. Result has 130 places, 97 transitions, 1138 flow [2024-11-20 21:50:53,079 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} [2024-11-20 21:50:53,079 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 95 predicate places. [2024-11-20 21:50:53,079 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 97 transitions, 1138 flow [2024-11-20 21:50:53,079 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) [2024-11-20 21:50:53,080 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:53,080 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:53,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 21:50:53,080 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:53,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:53,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1749510291, now seen corresponding path program 1 times [2024-11-20 21:50:53,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:53,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766020839] [2024-11-20 21:50:53,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:53,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:53,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:53,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:53,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766020839] [2024-11-20 21:50:53,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766020839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:53,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:53,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 21:50:53,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572474756] [2024-11-20 21:50:53,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:53,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 21:50:53,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:53,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 21:50:53,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-20 21:50:53,452 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:50:53,452 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) [2024-11-20 21:50:53,452 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:53,452 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:50:53,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:54,188 INFO L124 PetriNetUnfolderBase]: 716/1367 cut-off events. [2024-11-20 21:50:54,188 INFO L125 PetriNetUnfolderBase]: For 10270/10270 co-relation queries the response was YES. [2024-11-20 21:50:54,193 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. [2024-11-20 21:50:54,197 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 107 selfloop transitions, 70 changer transitions 22/199 dead transitions. [2024-11-20 21:50:54,197 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 199 transitions, 2020 flow [2024-11-20 21:50:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-20 21:50:54,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2024-11-20 21:50:54,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 272 transitions. [2024-11-20 21:50:54,199 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2857142857142857 [2024-11-20 21:50:54,199 INFO L175 Difference]: Start difference. First operand has 130 places, 97 transitions, 1138 flow. Second operand 28 states and 272 transitions. [2024-11-20 21:50:54,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 199 transitions, 2020 flow [2024-11-20 21:50:54,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 199 transitions, 1914 flow, removed 18 selfloop flow, removed 6 redundant places. [2024-11-20 21:50:54,234 INFO L231 Difference]: Finished difference. Result has 155 places, 104 transitions, 1298 flow [2024-11-20 21:50:54,234 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} [2024-11-20 21:50:54,235 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 120 predicate places. [2024-11-20 21:50:54,235 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 104 transitions, 1298 flow [2024-11-20 21:50:54,235 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) [2024-11-20 21:50:54,235 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:54,235 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:54,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 21:50:54,235 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:54,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:54,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1747636342, now seen corresponding path program 2 times [2024-11-20 21:50:54,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:54,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88044602] [2024-11-20 21:50:54,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:54,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:54,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:54,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:54,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88044602] [2024-11-20 21:50:54,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88044602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:54,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:54,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 21:50:54,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460953014] [2024-11-20 21:50:54,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:54,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 21:50:54,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:54,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 21:50:54,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:50:54,447 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:50:54,447 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) [2024-11-20 21:50:54,447 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:54,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:50:54,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:54,789 INFO L124 PetriNetUnfolderBase]: 730/1403 cut-off events. [2024-11-20 21:50:54,789 INFO L125 PetriNetUnfolderBase]: For 11437/11437 co-relation queries the response was YES. [2024-11-20 21:50:54,794 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. [2024-11-20 21:50:54,797 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 108 selfloop transitions, 24 changer transitions 14/146 dead transitions. [2024-11-20 21:50:54,797 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 146 transitions, 1812 flow [2024-11-20 21:50:54,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 21:50:54,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-20 21:50:54,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 116 transitions. [2024-11-20 21:50:54,798 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3790849673202614 [2024-11-20 21:50:54,798 INFO L175 Difference]: Start difference. First operand has 155 places, 104 transitions, 1298 flow. Second operand 9 states and 116 transitions. [2024-11-20 21:50:54,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 146 transitions, 1812 flow [2024-11-20 21:50:54,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 146 transitions, 1667 flow, removed 33 selfloop flow, removed 18 redundant places. [2024-11-20 21:50:54,835 INFO L231 Difference]: Finished difference. Result has 144 places, 94 transitions, 1120 flow [2024-11-20 21:50:54,836 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} [2024-11-20 21:50:54,836 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 109 predicate places. [2024-11-20 21:50:54,836 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 94 transitions, 1120 flow [2024-11-20 21:50:54,837 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) [2024-11-20 21:50:54,837 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:54,837 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:54,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 21:50:54,837 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:54,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:54,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1603530772, now seen corresponding path program 1 times [2024-11-20 21:50:54,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:54,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872755812] [2024-11-20 21:50:54,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:54,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:54,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:54,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:54,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872755812] [2024-11-20 21:50:54,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872755812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:54,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:54,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 21:50:54,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158507116] [2024-11-20 21:50:54,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:54,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 21:50:54,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:54,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 21:50:54,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:50:54,978 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:50:54,978 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) [2024-11-20 21:50:54,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:54,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:50:54,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:55,233 INFO L124 PetriNetUnfolderBase]: 594/1149 cut-off events. [2024-11-20 21:50:55,234 INFO L125 PetriNetUnfolderBase]: For 8861/8861 co-relation queries the response was YES. [2024-11-20 21:50:55,238 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. [2024-11-20 21:50:55,242 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 101 selfloop transitions, 23 changer transitions 0/124 dead transitions. [2024-11-20 21:50:55,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 124 transitions, 1487 flow [2024-11-20 21:50:55,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 21:50:55,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-20 21:50:55,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 102 transitions. [2024-11-20 21:50:55,243 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.375 [2024-11-20 21:50:55,243 INFO L175 Difference]: Start difference. First operand has 144 places, 94 transitions, 1120 flow. Second operand 8 states and 102 transitions. [2024-11-20 21:50:55,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 124 transitions, 1487 flow [2024-11-20 21:50:55,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 124 transitions, 1382 flow, removed 27 selfloop flow, removed 11 redundant places. [2024-11-20 21:50:55,276 INFO L231 Difference]: Finished difference. Result has 139 places, 96 transitions, 1119 flow [2024-11-20 21:50:55,276 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} [2024-11-20 21:50:55,277 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 104 predicate places. [2024-11-20 21:50:55,277 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 96 transitions, 1119 flow [2024-11-20 21:50:55,277 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) [2024-11-20 21:50:55,277 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:55,277 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:55,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 21:50:55,277 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:55,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:55,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1603530771, now seen corresponding path program 1 times [2024-11-20 21:50:55,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:55,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13423403] [2024-11-20 21:50:55,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:55,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:55,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:55,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:55,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13423403] [2024-11-20 21:50:55,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13423403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:55,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:55,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 21:50:55,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803673593] [2024-11-20 21:50:55,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:55,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 21:50:55,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:55,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 21:50:55,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-20 21:50:55,657 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:50:55,657 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) [2024-11-20 21:50:55,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:55,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:50:55,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:56,252 INFO L124 PetriNetUnfolderBase]: 592/1155 cut-off events. [2024-11-20 21:50:56,252 INFO L125 PetriNetUnfolderBase]: For 8881/8881 co-relation queries the response was YES. [2024-11-20 21:50:56,256 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. [2024-11-20 21:50:56,259 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 80 selfloop transitions, 38 changer transitions 36/154 dead transitions. [2024-11-20 21:50:56,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 154 transitions, 1699 flow [2024-11-20 21:50:56,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 21:50:56,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-20 21:50:56,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 198 transitions. [2024-11-20 21:50:56,260 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2911764705882353 [2024-11-20 21:50:56,260 INFO L175 Difference]: Start difference. First operand has 139 places, 96 transitions, 1119 flow. Second operand 20 states and 198 transitions. [2024-11-20 21:50:56,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 154 transitions, 1699 flow [2024-11-20 21:50:56,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 154 transitions, 1659 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-11-20 21:50:56,282 INFO L231 Difference]: Finished difference. Result has 156 places, 82 transitions, 980 flow [2024-11-20 21:50:56,283 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} [2024-11-20 21:50:56,283 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 121 predicate places. [2024-11-20 21:50:56,283 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 82 transitions, 980 flow [2024-11-20 21:50:56,283 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) [2024-11-20 21:50:56,283 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:56,283 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:56,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 21:50:56,284 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:56,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:56,284 INFO L85 PathProgramCache]: Analyzing trace with hash -551526517, now seen corresponding path program 2 times [2024-11-20 21:50:56,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:56,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487670910] [2024-11-20 21:50:56,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:56,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:56,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:56,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487670910] [2024-11-20 21:50:56,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487670910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:56,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:56,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:50:56,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845962175] [2024-11-20 21:50:56,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:56,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:50:56,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:56,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:50:56,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:50:56,606 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:50:56,607 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) [2024-11-20 21:50:56,607 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:56,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:50:56,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:57,044 INFO L124 PetriNetUnfolderBase]: 459/894 cut-off events. [2024-11-20 21:50:57,045 INFO L125 PetriNetUnfolderBase]: For 7009/7009 co-relation queries the response was YES. [2024-11-20 21:50:57,048 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. [2024-11-20 21:50:57,050 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 50 selfloop transitions, 35 changer transitions 42/127 dead transitions. [2024-11-20 21:50:57,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 127 transitions, 1370 flow [2024-11-20 21:50:57,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 21:50:57,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-20 21:50:57,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 186 transitions. [2024-11-20 21:50:57,051 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2735294117647059 [2024-11-20 21:50:57,051 INFO L175 Difference]: Start difference. First operand has 156 places, 82 transitions, 980 flow. Second operand 20 states and 186 transitions. [2024-11-20 21:50:57,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 127 transitions, 1370 flow [2024-11-20 21:50:57,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 127 transitions, 1203 flow, removed 18 selfloop flow, removed 26 redundant places. [2024-11-20 21:50:57,067 INFO L231 Difference]: Finished difference. Result has 140 places, 65 transitions, 723 flow [2024-11-20 21:50:57,067 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} [2024-11-20 21:50:57,068 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 105 predicate places. [2024-11-20 21:50:57,068 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 65 transitions, 723 flow [2024-11-20 21:50:57,068 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) [2024-11-20 21:50:57,068 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:57,068 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:57,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 21:50:57,069 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:57,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:57,069 INFO L85 PathProgramCache]: Analyzing trace with hash -578070548, now seen corresponding path program 2 times [2024-11-20 21:50:57,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:57,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007297407] [2024-11-20 21:50:57,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:57,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:57,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:57,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:57,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007297407] [2024-11-20 21:50:57,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007297407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:57,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:57,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 21:50:57,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110523290] [2024-11-20 21:50:57,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:57,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 21:50:57,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:57,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 21:50:57,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:50:57,207 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:50:57,207 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) [2024-11-20 21:50:57,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:57,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:50:57,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:57,408 INFO L124 PetriNetUnfolderBase]: 413/802 cut-off events. [2024-11-20 21:50:57,409 INFO L125 PetriNetUnfolderBase]: For 4568/4568 co-relation queries the response was YES. [2024-11-20 21:50:57,411 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. [2024-11-20 21:50:57,413 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 67 selfloop transitions, 19 changer transitions 0/86 dead transitions. [2024-11-20 21:50:57,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 86 transitions, 973 flow [2024-11-20 21:50:57,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 21:50:57,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-20 21:50:57,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 81 transitions. [2024-11-20 21:50:57,414 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3403361344537815 [2024-11-20 21:50:57,414 INFO L175 Difference]: Start difference. First operand has 140 places, 65 transitions, 723 flow. Second operand 7 states and 81 transitions. [2024-11-20 21:50:57,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 86 transitions, 973 flow [2024-11-20 21:50:57,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 86 transitions, 866 flow, removed 10 selfloop flow, removed 19 redundant places. [2024-11-20 21:50:57,425 INFO L231 Difference]: Finished difference. Result has 112 places, 67 transitions, 706 flow [2024-11-20 21:50:57,425 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} [2024-11-20 21:50:57,426 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 77 predicate places. [2024-11-20 21:50:57,426 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 67 transitions, 706 flow [2024-11-20 21:50:57,426 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) [2024-11-20 21:50:57,426 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:57,426 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:57,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 21:50:57,426 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:57,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:57,427 INFO L85 PathProgramCache]: Analyzing trace with hash -310528147, now seen corresponding path program 2 times [2024-11-20 21:50:57,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:57,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426541610] [2024-11-20 21:50:57,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:57,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:57,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:57,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:57,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426541610] [2024-11-20 21:50:57,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426541610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:57,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:57,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 21:50:57,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073921756] [2024-11-20 21:50:57,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:57,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 21:50:57,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:57,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 21:50:57,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-20 21:50:57,754 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:50:57,754 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) [2024-11-20 21:50:57,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:57,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:50:57,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:58,372 INFO L124 PetriNetUnfolderBase]: 383/748 cut-off events. [2024-11-20 21:50:58,372 INFO L125 PetriNetUnfolderBase]: For 3563/3563 co-relation queries the response was YES. [2024-11-20 21:50:58,374 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. [2024-11-20 21:50:58,376 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 74 selfloop transitions, 32 changer transitions 30/136 dead transitions. [2024-11-20 21:50:58,376 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 136 transitions, 1272 flow [2024-11-20 21:50:58,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-20 21:50:58,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-11-20 21:50:58,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 232 transitions. [2024-11-20 21:50:58,377 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.26244343891402716 [2024-11-20 21:50:58,377 INFO L175 Difference]: Start difference. First operand has 112 places, 67 transitions, 706 flow. Second operand 26 states and 232 transitions. [2024-11-20 21:50:58,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 136 transitions, 1272 flow [2024-11-20 21:50:58,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 136 transitions, 1241 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-11-20 21:50:58,389 INFO L231 Difference]: Finished difference. Result has 136 places, 58 transitions, 604 flow [2024-11-20 21:50:58,389 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} [2024-11-20 21:50:58,390 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 101 predicate places. [2024-11-20 21:50:58,390 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 58 transitions, 604 flow [2024-11-20 21:50:58,390 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) [2024-11-20 21:50:58,390 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:58,390 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:58,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 21:50:58,390 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:58,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:58,391 INFO L85 PathProgramCache]: Analyzing trace with hash -310528148, now seen corresponding path program 3 times [2024-11-20 21:50:58,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:58,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038171097] [2024-11-20 21:50:58,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:58,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:58,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:58,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:58,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038171097] [2024-11-20 21:50:58,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038171097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:58,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:58,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 21:50:58,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591198181] [2024-11-20 21:50:58,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:58,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 21:50:58,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:58,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 21:50:58,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:50:58,693 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:50:58,694 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) [2024-11-20 21:50:58,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:58,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:50:58,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:59,017 INFO L124 PetriNetUnfolderBase]: 291/582 cut-off events. [2024-11-20 21:50:59,017 INFO L125 PetriNetUnfolderBase]: For 3086/3086 co-relation queries the response was YES. [2024-11-20 21:50:59,019 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. [2024-11-20 21:50:59,020 INFO L140 encePairwiseOnDemand]: 26/34 looper letters, 58 selfloop transitions, 17 changer transitions 13/88 dead transitions. [2024-11-20 21:50:59,020 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 88 transitions, 888 flow [2024-11-20 21:50:59,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 21:50:59,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-20 21:50:59,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 107 transitions. [2024-11-20 21:50:59,021 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31470588235294117 [2024-11-20 21:50:59,021 INFO L175 Difference]: Start difference. First operand has 136 places, 58 transitions, 604 flow. Second operand 10 states and 107 transitions. [2024-11-20 21:50:59,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 88 transitions, 888 flow [2024-11-20 21:50:59,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 88 transitions, 726 flow, removed 19 selfloop flow, removed 30 redundant places. [2024-11-20 21:50:59,028 INFO L231 Difference]: Finished difference. Result has 108 places, 52 transitions, 435 flow [2024-11-20 21:50:59,028 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} [2024-11-20 21:50:59,028 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 73 predicate places. [2024-11-20 21:50:59,029 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 52 transitions, 435 flow [2024-11-20 21:50:59,029 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) [2024-11-20 21:50:59,029 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:59,029 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:59,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-20 21:50:59,029 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:59,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:59,030 INFO L85 PathProgramCache]: Analyzing trace with hash 941264484, now seen corresponding path program 3 times [2024-11-20 21:50:59,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:59,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429683085] [2024-11-20 21:50:59,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:59,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:59,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:59,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:59,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429683085] [2024-11-20 21:50:59,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429683085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:59,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:59,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 21:50:59,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840544339] [2024-11-20 21:50:59,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:59,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 21:50:59,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:59,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 21:50:59,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:50:59,233 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:50:59,233 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) [2024-11-20 21:50:59,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:59,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:50:59,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:59,420 INFO L124 PetriNetUnfolderBase]: 204/419 cut-off events. [2024-11-20 21:50:59,420 INFO L125 PetriNetUnfolderBase]: For 1480/1480 co-relation queries the response was YES. [2024-11-20 21:50:59,421 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. [2024-11-20 21:50:59,421 INFO L140 encePairwiseOnDemand]: 26/34 looper letters, 45 selfloop transitions, 16 changer transitions 6/67 dead transitions. [2024-11-20 21:50:59,422 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 67 transitions, 603 flow [2024-11-20 21:50:59,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 21:50:59,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-20 21:50:59,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 76 transitions. [2024-11-20 21:50:59,422 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31932773109243695 [2024-11-20 21:50:59,422 INFO L175 Difference]: Start difference. First operand has 108 places, 52 transitions, 435 flow. Second operand 7 states and 76 transitions. [2024-11-20 21:50:59,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 67 transitions, 603 flow [2024-11-20 21:50:59,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 67 transitions, 525 flow, removed 4 selfloop flow, removed 13 redundant places. [2024-11-20 21:50:59,425 INFO L231 Difference]: Finished difference. Result has 89 places, 44 transitions, 308 flow [2024-11-20 21:50:59,425 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} [2024-11-20 21:50:59,426 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 54 predicate places. [2024-11-20 21:50:59,426 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 44 transitions, 308 flow [2024-11-20 21:50:59,426 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) [2024-11-20 21:50:59,426 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:59,426 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:59,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-20 21:50:59,426 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:59,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:59,427 INFO L85 PathProgramCache]: Analyzing trace with hash 946713355, now seen corresponding path program 3 times [2024-11-20 21:50:59,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:59,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544999548] [2024-11-20 21:50:59,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:59,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:59,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:59,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:59,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544999548] [2024-11-20 21:50:59,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544999548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:59,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:59,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:50:59,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461156218] [2024-11-20 21:50:59,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:59,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:50:59,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:59,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:50:59,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:50:59,684 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:50:59,684 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) [2024-11-20 21:50:59,684 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:59,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:50:59,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:59,976 INFO L124 PetriNetUnfolderBase]: 126/263 cut-off events. [2024-11-20 21:50:59,976 INFO L125 PetriNetUnfolderBase]: For 732/732 co-relation queries the response was YES. [2024-11-20 21:50:59,976 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. [2024-11-20 21:50:59,977 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 24 selfloop transitions, 17 changer transitions 37/78 dead transitions. [2024-11-20 21:50:59,977 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 78 transitions, 592 flow [2024-11-20 21:50:59,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 21:50:59,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-20 21:50:59,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 133 transitions. [2024-11-20 21:50:59,978 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.24448529411764705 [2024-11-20 21:50:59,978 INFO L175 Difference]: Start difference. First operand has 89 places, 44 transitions, 308 flow. Second operand 16 states and 133 transitions. [2024-11-20 21:50:59,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 78 transitions, 592 flow [2024-11-20 21:50:59,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 78 transitions, 512 flow, removed 4 selfloop flow, removed 10 redundant places. [2024-11-20 21:50:59,980 INFO L231 Difference]: Finished difference. Result has 83 places, 29 transitions, 180 flow [2024-11-20 21:50:59,980 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} [2024-11-20 21:50:59,980 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 48 predicate places. [2024-11-20 21:50:59,981 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 29 transitions, 180 flow [2024-11-20 21:50:59,981 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) [2024-11-20 21:50:59,981 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:59,981 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:50:59,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-20 21:50:59,981 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-20 21:50:59,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:59,981 INFO L85 PathProgramCache]: Analyzing trace with hash 946928395, now seen corresponding path program 3 times [2024-11-20 21:50:59,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:59,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123732519] [2024-11-20 21:50:59,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:59,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:51:00,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:51:00,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:51:00,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123732519] [2024-11-20 21:51:00,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123732519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:51:00,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:51:00,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:51:00,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103822170] [2024-11-20 21:51:00,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:51:00,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:51:00,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:51:00,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:51:00,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:51:00,250 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-20 21:51:00,251 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) [2024-11-20 21:51:00,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:51:00,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-20 21:51:00,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:51:00,462 INFO L124 PetriNetUnfolderBase]: 44/101 cut-off events. [2024-11-20 21:51:00,462 INFO L125 PetriNetUnfolderBase]: For 114/114 co-relation queries the response was YES. [2024-11-20 21:51:00,462 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. [2024-11-20 21:51:00,463 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 0 selfloop transitions, 0 changer transitions 44/44 dead transitions. [2024-11-20 21:51:00,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 44 transitions, 310 flow [2024-11-20 21:51:00,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 21:51:00,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-20 21:51:00,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 95 transitions. [2024-11-20 21:51:00,464 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2149321266968326 [2024-11-20 21:51:00,464 INFO L175 Difference]: Start difference. First operand has 83 places, 29 transitions, 180 flow. Second operand 13 states and 95 transitions. [2024-11-20 21:51:00,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 44 transitions, 310 flow [2024-11-20 21:51:00,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 44 transitions, 243 flow, removed 1 selfloop flow, removed 19 redundant places. [2024-11-20 21:51:00,467 INFO L231 Difference]: Finished difference. Result has 54 places, 0 transitions, 0 flow [2024-11-20 21:51:00,468 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} [2024-11-20 21:51:00,468 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 19 predicate places. [2024-11-20 21:51:00,468 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 0 transitions, 0 flow [2024-11-20 21:51:00,468 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) [2024-11-20 21:51:00,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-11-20 21:51:00,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-11-20 21:51:00,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-20 21:51:00,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-20 21:51:00,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-20 21:51:00,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-20 21:51:00,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-20 21:51:00,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-20 21:51:00,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-20 21:51:00,473 INFO L407 BasicCegarLoop]: Path program histogram: [4, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-20 21:51:00,478 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 21:51:00,479 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 21:51:00,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:51:00 BasicIcfg [2024-11-20 21:51:00,484 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 21:51:00,484 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 21:51:00,484 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 21:51:00,485 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 21:51:00,485 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:50:44" (3/4) ... [2024-11-20 21:51:00,486 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 21:51:00,489 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-20 21:51:00,498 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 120 nodes and edges [2024-11-20 21:51:00,498 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2024-11-20 21:51:00,498 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-20 21:51:00,498 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 21:51:00,585 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 21:51:00,586 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 21:51:00,586 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 21:51:00,587 INFO L158 Benchmark]: Toolchain (without parser) took 18176.18ms. Allocated memory was 201.3MB in the beginning and 780.1MB in the end (delta: 578.8MB). Free memory was 119.0MB in the beginning and 321.2MB in the end (delta: -202.2MB). Peak memory consumption was 376.8MB. Max. memory is 16.1GB. [2024-11-20 21:51:00,587 INFO L158 Benchmark]: CDTParser took 1.01ms. Allocated memory is still 201.3MB. Free memory is still 167.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 21:51:00,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 626.38ms. Allocated memory is still 201.3MB. Free memory was 118.6MB in the beginning and 138.8MB in the end (delta: -20.1MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-11-20 21:51:00,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.75ms. Allocated memory is still 201.3MB. Free memory was 138.8MB in the beginning and 135.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 21:51:00,588 INFO L158 Benchmark]: Boogie Preprocessor took 73.18ms. Allocated memory is still 201.3MB. Free memory was 135.6MB in the beginning and 132.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 21:51:00,588 INFO L158 Benchmark]: RCFGBuilder took 902.75ms. Allocated memory is still 201.3MB. Free memory was 132.4MB in the beginning and 122.2MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-20 21:51:00,588 INFO L158 Benchmark]: TraceAbstraction took 16430.59ms. Allocated memory was 201.3MB in the beginning and 780.1MB in the end (delta: 578.8MB). Free memory was 121.2MB in the beginning and 327.5MB in the end (delta: -206.3MB). Peak memory consumption was 373.6MB. Max. memory is 16.1GB. [2024-11-20 21:51:00,588 INFO L158 Benchmark]: Witness Printer took 101.94ms. Allocated memory is still 780.1MB. Free memory was 327.5MB in the beginning and 321.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 21:51:00,590 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01ms. Allocated memory is still 201.3MB. Free memory is still 167.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 626.38ms. Allocated memory is still 201.3MB. Free memory was 118.6MB in the beginning and 138.8MB in the end (delta: -20.1MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.75ms. Allocated memory is still 201.3MB. Free memory was 138.8MB in the beginning and 135.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.18ms. Allocated memory is still 201.3MB. Free memory was 135.6MB in the beginning and 132.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 902.75ms. Allocated memory is still 201.3MB. Free memory was 132.4MB in the beginning and 122.2MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 16430.59ms. Allocated memory was 201.3MB in the beginning and 780.1MB in the end (delta: 578.8MB). Free memory was 121.2MB in the beginning and 327.5MB in the end (delta: -206.3MB). Peak memory consumption was 373.6MB. Max. memory is 16.1GB. * Witness Printer took 101.94ms. Allocated memory is still 780.1MB. Free memory was 327.5MB in the beginning and 321.2MB 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: 16.3s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1518 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1517 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 3.8s 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, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 354 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 318 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 930 ImplicationChecksByTransitivity, 2.8s 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.4s 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! [2024-11-20 21:51:00,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE