./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-2_2-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 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-2_2-container_of.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 23:31:05,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 23:31:06,010 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 23:31:06,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 23:31:06,018 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 23:31:06,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 23:31:06,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 23:31:06,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 23:31:06,041 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 23:31:06,042 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 23:31:06,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 23:31:06,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 23:31:06,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 23:31:06,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 23:31:06,045 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 23:31:06,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 23:31:06,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 23:31:06,046 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 23:31:06,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 23:31:06,047 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 23:31:06,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 23:31:06,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 23:31:06,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 23:31:06,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 23:31:06,054 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 23:31:06,054 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 23:31:06,054 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 23:31:06,055 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 23:31:06,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 23:31:06,055 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 23:31:06,055 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 23:31:06,056 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 23:31:06,056 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 23:31:06,056 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 23:31:06,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:31:06,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 23:31:06,057 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 23:31:06,057 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 23:31:06,057 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 23:31:06,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 23:31:06,058 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 23:31:06,058 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 23:31:06,058 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 23:31:06,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 23:31:06,060 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 [2024-10-24 23:31:06,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 23:31:06,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 23:31:06,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 23:31:06,351 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 23:31:06,352 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 23:31:06,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2024-10-24 23:31:07,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 23:31:08,263 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 23:31:08,264 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2024-10-24 23:31:08,309 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7e0083d7/13932134716f448bb8aaef4557fae585/FLAG119724f98 [2024-10-24 23:31:08,328 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7e0083d7/13932134716f448bb8aaef4557fae585 [2024-10-24 23:31:08,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 23:31:08,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 23:31:08,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 23:31:08,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 23:31:08,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 23:31:08,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:31:08" (1/1) ... [2024-10-24 23:31:08,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1c863e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:08, skipping insertion in model container [2024-10-24 23:31:08,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:31:08" (1/1) ... [2024-10-24 23:31:08,410 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 23:31:08,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:31:08,917 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 23:31:08,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:31:09,033 INFO L204 MainTranslator]: Completed translation [2024-10-24 23:31:09,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:09 WrapperNode [2024-10-24 23:31:09,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 23:31:09,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 23:31:09,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 23:31:09,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 23:31:09,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:09" (1/1) ... [2024-10-24 23:31:09,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:09" (1/1) ... [2024-10-24 23:31:09,097 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 11, calls inlined = 14, statements flattened = 120 [2024-10-24 23:31:09,098 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 23:31:09,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 23:31:09,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 23:31:09,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 23:31:09,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:09" (1/1) ... [2024-10-24 23:31:09,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:09" (1/1) ... [2024-10-24 23:31:09,115 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:09" (1/1) ... [2024-10-24 23:31:09,135 INFO L175 MemorySlicer]: Split 15 memory accesses to 3 slices as follows [2, 11, 2]. 73 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 6, 2]. [2024-10-24 23:31:09,135 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:09" (1/1) ... [2024-10-24 23:31:09,136 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:09" (1/1) ... [2024-10-24 23:31:09,147 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:09" (1/1) ... [2024-10-24 23:31:09,149 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:09" (1/1) ... [2024-10-24 23:31:09,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:09" (1/1) ... [2024-10-24 23:31:09,156 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:09" (1/1) ... [2024-10-24 23:31:09,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 23:31:09,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 23:31:09,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 23:31:09,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 23:31:09,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:09" (1/1) ... [2024-10-24 23:31:09,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:31:09,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:31:09,220 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) [2024-10-24 23:31:09,222 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 [2024-10-24 23:31:09,275 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-10-24 23:31:09,275 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-10-24 23:31:09,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 23:31:09,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 23:31:09,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 23:31:09,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 23:31:09,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 23:31:09,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 23:31:09,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 23:31:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 23:31:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 23:31:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 23:31:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 23:31:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 23:31:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 23:31:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 23:31:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 23:31:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 23:31:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 23:31:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 23:31:09,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 23:31:09,282 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 23:31:09,540 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 23:31:09,542 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 23:31:09,832 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 23:31:09,832 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 23:31:09,997 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 23:31:09,998 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 23:31:09,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:31:09 BoogieIcfgContainer [2024-10-24 23:31:09,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 23:31:10,002 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 23:31:10,002 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 23:31:10,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 23:31:10,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:31:08" (1/3) ... [2024-10-24 23:31:10,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26fba59d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:31:10, skipping insertion in model container [2024-10-24 23:31:10,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:31:09" (2/3) ... [2024-10-24 23:31:10,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26fba59d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:31:10, skipping insertion in model container [2024-10-24 23:31:10,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:31:09" (3/3) ... [2024-10-24 23:31:10,009 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2024-10-24 23:31:10,026 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 23:31:10,026 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 23:31:10,026 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 23:31:10,072 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-24 23:31:10,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 34 transitions, 82 flow [2024-10-24 23:31:10,146 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-10-24 23:31:10,146 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 23:31:10,149 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 75 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 21. Up to 3 conditions per place. [2024-10-24 23:31:10,149 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 34 transitions, 82 flow [2024-10-24 23:31:10,153 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 65 flow [2024-10-24 23:31:10,167 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 23:31:10,174 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;@2c57cadc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 23:31:10,175 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-24 23:31:10,183 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 23:31:10,184 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2024-10-24 23:31:10,184 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 23:31:10,184 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:10,185 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:10,186 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:10,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:10,191 INFO L85 PathProgramCache]: Analyzing trace with hash -183419474, now seen corresponding path program 1 times [2024-10-24 23:31:10,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:10,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766838312] [2024-10-24 23:31:10,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:10,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:11,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:11,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:11,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766838312] [2024-10-24 23:31:11,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766838312] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:11,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:11,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 23:31:11,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523093054] [2024-10-24 23:31:11,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:11,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 23:31:11,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:11,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 23:31:11,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 23:31:11,238 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:11,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 65 flow. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:11,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:11,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:11,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:11,831 INFO L124 PetriNetUnfolderBase]: 769/1306 cut-off events. [2024-10-24 23:31:11,832 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-10-24 23:31:11,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2638 conditions, 1306 events. 769/1306 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 6470 event pairs, 347 based on Foata normal form. 0/1086 useless extension candidates. Maximal degree in co-relation 2568. Up to 850 conditions per place. [2024-10-24 23:31:11,848 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 20 changer transitions 2/86 dead transitions. [2024-10-24 23:31:11,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 86 transitions, 366 flow [2024-10-24 23:31:11,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 23:31:11,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-24 23:31:11,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 129 transitions. [2024-10-24 23:31:11,867 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.37941176470588234 [2024-10-24 23:31:11,869 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 65 flow. Second operand 10 states and 129 transitions. [2024-10-24 23:31:11,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 86 transitions, 366 flow [2024-10-24 23:31:11,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 86 transitions, 355 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-24 23:31:11,882 INFO L231 Difference]: Finished difference. Result has 46 places, 48 transitions, 188 flow [2024-10-24 23:31:11,885 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=188, PETRI_PLACES=46, PETRI_TRANSITIONS=48} [2024-10-24 23:31:11,890 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 11 predicate places. [2024-10-24 23:31:11,891 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 48 transitions, 188 flow [2024-10-24 23:31:11,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:11,891 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:11,892 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:11,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 23:31:11,893 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:11,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:11,894 INFO L85 PathProgramCache]: Analyzing trace with hash -186141248, now seen corresponding path program 1 times [2024-10-24 23:31:11,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:11,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208838650] [2024-10-24 23:31:11,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:11,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:12,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:12,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:12,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208838650] [2024-10-24 23:31:12,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208838650] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:12,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:12,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 23:31:12,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433709164] [2024-10-24 23:31:12,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:12,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 23:31:12,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:12,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 23:31:12,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 23:31:12,382 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:12,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 48 transitions, 188 flow. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:12,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:12,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:12,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:12,883 INFO L124 PetriNetUnfolderBase]: 899/1554 cut-off events. [2024-10-24 23:31:12,883 INFO L125 PetriNetUnfolderBase]: For 794/794 co-relation queries the response was YES. [2024-10-24 23:31:12,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3993 conditions, 1554 events. 899/1554 cut-off events. For 794/794 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 8213 event pairs, 631 based on Foata normal form. 0/1372 useless extension candidates. Maximal degree in co-relation 2189. Up to 1126 conditions per place. [2024-10-24 23:31:12,900 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 64 selfloop transitions, 27 changer transitions 4/96 dead transitions. [2024-10-24 23:31:12,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 96 transitions, 550 flow [2024-10-24 23:31:12,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 23:31:12,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-24 23:31:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 125 transitions. [2024-10-24 23:31:12,903 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.36764705882352944 [2024-10-24 23:31:12,903 INFO L175 Difference]: Start difference. First operand has 46 places, 48 transitions, 188 flow. Second operand 10 states and 125 transitions. [2024-10-24 23:31:12,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 96 transitions, 550 flow [2024-10-24 23:31:12,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 96 transitions, 548 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 23:31:12,909 INFO L231 Difference]: Finished difference. Result has 58 places, 64 transitions, 344 flow [2024-10-24 23:31:12,910 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=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=344, PETRI_PLACES=58, PETRI_TRANSITIONS=64} [2024-10-24 23:31:12,912 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 23 predicate places. [2024-10-24 23:31:12,912 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 64 transitions, 344 flow [2024-10-24 23:31:12,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:12,912 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:12,913 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:12,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 23:31:12,913 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:12,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:12,916 INFO L85 PathProgramCache]: Analyzing trace with hash -3978691, now seen corresponding path program 1 times [2024-10-24 23:31:12,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:12,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476708179] [2024-10-24 23:31:12,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:12,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:13,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:13,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:13,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476708179] [2024-10-24 23:31:13,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476708179] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:13,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:13,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:31:13,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600120277] [2024-10-24 23:31:13,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:13,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 23:31:13,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:13,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 23:31:13,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:31:13,433 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:13,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 64 transitions, 344 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:13,434 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:13,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:13,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:14,307 INFO L124 PetriNetUnfolderBase]: 1410/2455 cut-off events. [2024-10-24 23:31:14,307 INFO L125 PetriNetUnfolderBase]: For 2390/2394 co-relation queries the response was YES. [2024-10-24 23:31:14,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7340 conditions, 2455 events. 1410/2455 cut-off events. For 2390/2394 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 14577 event pairs, 653 based on Foata normal form. 54/2347 useless extension candidates. Maximal degree in co-relation 4394. Up to 1397 conditions per place. [2024-10-24 23:31:14,324 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 121 selfloop transitions, 66 changer transitions 4/192 dead transitions. [2024-10-24 23:31:14,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 192 transitions, 1364 flow [2024-10-24 23:31:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 23:31:14,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-10-24 23:31:14,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 202 transitions. [2024-10-24 23:31:14,327 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3494809688581315 [2024-10-24 23:31:14,327 INFO L175 Difference]: Start difference. First operand has 58 places, 64 transitions, 344 flow. Second operand 17 states and 202 transitions. [2024-10-24 23:31:14,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 192 transitions, 1364 flow [2024-10-24 23:31:14,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 192 transitions, 1364 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 23:31:14,341 INFO L231 Difference]: Finished difference. Result has 86 places, 123 transitions, 983 flow [2024-10-24 23:31:14,341 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=983, PETRI_PLACES=86, PETRI_TRANSITIONS=123} [2024-10-24 23:31:14,342 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 51 predicate places. [2024-10-24 23:31:14,342 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 123 transitions, 983 flow [2024-10-24 23:31:14,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:14,342 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:14,343 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:14,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 23:31:14,343 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:14,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:14,344 INFO L85 PathProgramCache]: Analyzing trace with hash -859285121, now seen corresponding path program 1 times [2024-10-24 23:31:14,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:14,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532866924] [2024-10-24 23:31:14,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:14,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:14,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:14,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:14,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532866924] [2024-10-24 23:31:14,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532866924] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:14,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:14,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 23:31:14,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088968327] [2024-10-24 23:31:14,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:14,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 23:31:14,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:14,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 23:31:14,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 23:31:14,857 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:14,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 123 transitions, 983 flow. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:14,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:14,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:14,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:15,597 INFO L124 PetriNetUnfolderBase]: 1416/2509 cut-off events. [2024-10-24 23:31:15,597 INFO L125 PetriNetUnfolderBase]: For 6890/6904 co-relation queries the response was YES. [2024-10-24 23:31:15,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9596 conditions, 2509 events. 1416/2509 cut-off events. For 6890/6904 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 15284 event pairs, 592 based on Foata normal form. 68/2401 useless extension candidates. Maximal degree in co-relation 8877. Up to 1610 conditions per place. [2024-10-24 23:31:15,660 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 112 selfloop transitions, 90 changer transitions 19/222 dead transitions. [2024-10-24 23:31:15,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 222 transitions, 2146 flow [2024-10-24 23:31:15,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 23:31:15,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-24 23:31:15,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 167 transitions. [2024-10-24 23:31:15,662 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.35084033613445376 [2024-10-24 23:31:15,662 INFO L175 Difference]: Start difference. First operand has 86 places, 123 transitions, 983 flow. Second operand 14 states and 167 transitions. [2024-10-24 23:31:15,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 222 transitions, 2146 flow [2024-10-24 23:31:15,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 222 transitions, 2040 flow, removed 45 selfloop flow, removed 3 redundant places. [2024-10-24 23:31:15,708 INFO L231 Difference]: Finished difference. Result has 104 places, 159 transitions, 1605 flow [2024-10-24 23:31:15,709 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=937, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1605, PETRI_PLACES=104, PETRI_TRANSITIONS=159} [2024-10-24 23:31:15,710 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 69 predicate places. [2024-10-24 23:31:15,710 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 159 transitions, 1605 flow [2024-10-24 23:31:15,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:15,711 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:15,711 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:15,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 23:31:15,711 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:15,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:15,712 INFO L85 PathProgramCache]: Analyzing trace with hash -415995041, now seen corresponding path program 2 times [2024-10-24 23:31:15,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:15,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093981959] [2024-10-24 23:31:15,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:15,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:16,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:16,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093981959] [2024-10-24 23:31:16,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093981959] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:16,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:16,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:31:16,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426165135] [2024-10-24 23:31:16,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:16,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 23:31:16,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:16,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 23:31:16,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:31:16,259 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:16,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 159 transitions, 1605 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:16,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:16,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:16,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:17,171 INFO L124 PetriNetUnfolderBase]: 1564/2782 cut-off events. [2024-10-24 23:31:17,171 INFO L125 PetriNetUnfolderBase]: For 9431/9449 co-relation queries the response was YES. [2024-10-24 23:31:17,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11526 conditions, 2782 events. 1564/2782 cut-off events. For 9431/9449 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 17451 event pairs, 616 based on Foata normal form. 72/2664 useless extension candidates. Maximal degree in co-relation 10753. Up to 1607 conditions per place. [2024-10-24 23:31:17,202 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 106 selfloop transitions, 124 changer transitions 19/250 dead transitions. [2024-10-24 23:31:17,203 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 250 transitions, 2816 flow [2024-10-24 23:31:17,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 23:31:17,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-24 23:31:17,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 201 transitions. [2024-10-24 23:31:17,206 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3284313725490196 [2024-10-24 23:31:17,206 INFO L175 Difference]: Start difference. First operand has 104 places, 159 transitions, 1605 flow. Second operand 18 states and 201 transitions. [2024-10-24 23:31:17,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 250 transitions, 2816 flow [2024-10-24 23:31:17,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 250 transitions, 2751 flow, removed 25 selfloop flow, removed 3 redundant places. [2024-10-24 23:31:17,272 INFO L231 Difference]: Finished difference. Result has 123 places, 185 transitions, 2198 flow [2024-10-24 23:31:17,275 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1552, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2198, PETRI_PLACES=123, PETRI_TRANSITIONS=185} [2024-10-24 23:31:17,276 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 88 predicate places. [2024-10-24 23:31:17,276 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 185 transitions, 2198 flow [2024-10-24 23:31:17,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:17,276 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:17,276 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:17,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 23:31:17,276 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:17,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:17,277 INFO L85 PathProgramCache]: Analyzing trace with hash -410632661, now seen corresponding path program 3 times [2024-10-24 23:31:17,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:17,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258397754] [2024-10-24 23:31:17,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:17,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:17,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:17,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:17,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258397754] [2024-10-24 23:31:17,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258397754] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:17,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:17,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:31:17,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915002242] [2024-10-24 23:31:17,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:17,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 23:31:17,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:17,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 23:31:17,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:31:17,756 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:17,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 185 transitions, 2198 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:17,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:17,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:17,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:18,612 INFO L124 PetriNetUnfolderBase]: 1729/3110 cut-off events. [2024-10-24 23:31:18,613 INFO L125 PetriNetUnfolderBase]: For 11792/11796 co-relation queries the response was YES. [2024-10-24 23:31:18,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13248 conditions, 3110 events. 1729/3110 cut-off events. For 11792/11796 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 20222 event pairs, 849 based on Foata normal form. 56/2960 useless extension candidates. Maximal degree in co-relation 12848. Up to 1870 conditions per place. [2024-10-24 23:31:18,650 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 105 selfloop transitions, 109 changer transitions 13/228 dead transitions. [2024-10-24 23:31:18,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 228 transitions, 2954 flow [2024-10-24 23:31:18,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 23:31:18,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-24 23:31:18,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 150 transitions. [2024-10-24 23:31:18,652 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.36764705882352944 [2024-10-24 23:31:18,652 INFO L175 Difference]: Start difference. First operand has 123 places, 185 transitions, 2198 flow. Second operand 12 states and 150 transitions. [2024-10-24 23:31:18,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 228 transitions, 2954 flow [2024-10-24 23:31:18,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 228 transitions, 2847 flow, removed 34 selfloop flow, removed 7 redundant places. [2024-10-24 23:31:18,728 INFO L231 Difference]: Finished difference. Result has 130 places, 188 transitions, 2427 flow [2024-10-24 23:31:18,729 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2094, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2427, PETRI_PLACES=130, PETRI_TRANSITIONS=188} [2024-10-24 23:31:18,729 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 95 predicate places. [2024-10-24 23:31:18,729 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 188 transitions, 2427 flow [2024-10-24 23:31:18,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:18,730 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:18,730 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:18,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 23:31:18,730 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:18,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:18,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1299970082, now seen corresponding path program 1 times [2024-10-24 23:31:18,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:18,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724874356] [2024-10-24 23:31:18,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:18,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:19,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:19,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:19,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724874356] [2024-10-24 23:31:19,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724874356] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:19,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:19,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:31:19,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871868033] [2024-10-24 23:31:19,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:19,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 23:31:19,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:19,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 23:31:19,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:31:19,321 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:19,321 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 188 transitions, 2427 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:19,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:19,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:19,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:20,335 INFO L124 PetriNetUnfolderBase]: 1967/3514 cut-off events. [2024-10-24 23:31:20,335 INFO L125 PetriNetUnfolderBase]: For 15345/15355 co-relation queries the response was YES. [2024-10-24 23:31:20,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15298 conditions, 3514 events. 1967/3514 cut-off events. For 15345/15355 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 23216 event pairs, 947 based on Foata normal form. 82/3368 useless extension candidates. Maximal degree in co-relation 14986. Up to 2269 conditions per place. [2024-10-24 23:31:20,383 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 173 selfloop transitions, 87 changer transitions 12/273 dead transitions. [2024-10-24 23:31:20,383 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 273 transitions, 3597 flow [2024-10-24 23:31:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 23:31:20,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-24 23:31:20,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 178 transitions. [2024-10-24 23:31:20,385 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.34901960784313724 [2024-10-24 23:31:20,385 INFO L175 Difference]: Start difference. First operand has 130 places, 188 transitions, 2427 flow. Second operand 15 states and 178 transitions. [2024-10-24 23:31:20,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 273 transitions, 3597 flow [2024-10-24 23:31:20,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 273 transitions, 3410 flow, removed 35 selfloop flow, removed 6 redundant places. [2024-10-24 23:31:20,473 INFO L231 Difference]: Finished difference. Result has 142 places, 211 transitions, 2752 flow [2024-10-24 23:31:20,475 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2266, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2752, PETRI_PLACES=142, PETRI_TRANSITIONS=211} [2024-10-24 23:31:20,477 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 107 predicate places. [2024-10-24 23:31:20,477 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 211 transitions, 2752 flow [2024-10-24 23:31:20,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:20,477 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:20,478 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:20,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 23:31:20,479 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:20,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:20,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1506623297, now seen corresponding path program 2 times [2024-10-24 23:31:20,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:20,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995592551] [2024-10-24 23:31:20,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:20,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:20,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:20,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:20,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995592551] [2024-10-24 23:31:20,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995592551] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:20,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:20,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:31:20,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056082620] [2024-10-24 23:31:20,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:20,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 23:31:20,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:20,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 23:31:20,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:31:20,866 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:20,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 211 transitions, 2752 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:20,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:20,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:20,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:21,953 INFO L124 PetriNetUnfolderBase]: 2198/3934 cut-off events. [2024-10-24 23:31:21,953 INFO L125 PetriNetUnfolderBase]: For 21412/21414 co-relation queries the response was YES. [2024-10-24 23:31:21,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18649 conditions, 3934 events. 2198/3934 cut-off events. For 21412/21414 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 26611 event pairs, 978 based on Foata normal form. 56/3738 useless extension candidates. Maximal degree in co-relation 17908. Up to 2459 conditions per place. [2024-10-24 23:31:22,001 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 144 selfloop transitions, 140 changer transitions 8/293 dead transitions. [2024-10-24 23:31:22,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 293 transitions, 4120 flow [2024-10-24 23:31:22,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 23:31:22,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-24 23:31:22,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 199 transitions. [2024-10-24 23:31:22,003 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32516339869281047 [2024-10-24 23:31:22,003 INFO L175 Difference]: Start difference. First operand has 142 places, 211 transitions, 2752 flow. Second operand 18 states and 199 transitions. [2024-10-24 23:31:22,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 293 transitions, 4120 flow [2024-10-24 23:31:22,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 293 transitions, 4030 flow, removed 11 selfloop flow, removed 9 redundant places. [2024-10-24 23:31:22,123 INFO L231 Difference]: Finished difference. Result has 155 places, 232 transitions, 3404 flow [2024-10-24 23:31:22,124 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2670, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=3404, PETRI_PLACES=155, PETRI_TRANSITIONS=232} [2024-10-24 23:31:22,127 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 120 predicate places. [2024-10-24 23:31:22,127 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 232 transitions, 3404 flow [2024-10-24 23:31:22,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:22,130 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:22,130 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:22,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 23:31:22,130 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:22,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:22,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1506623522, now seen corresponding path program 2 times [2024-10-24 23:31:22,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:22,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540522447] [2024-10-24 23:31:22,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:22,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:22,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:22,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:22,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540522447] [2024-10-24 23:31:22,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540522447] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:22,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:22,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:31:22,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320437465] [2024-10-24 23:31:22,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:22,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 23:31:22,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:22,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 23:31:22,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:31:22,532 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:22,532 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 232 transitions, 3404 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:22,532 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:22,532 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:22,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:23,756 INFO L124 PetriNetUnfolderBase]: 2509/4501 cut-off events. [2024-10-24 23:31:23,756 INFO L125 PetriNetUnfolderBase]: For 34764/34766 co-relation queries the response was YES. [2024-10-24 23:31:23,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24088 conditions, 4501 events. 2509/4501 cut-off events. For 34764/34766 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 31285 event pairs, 1240 based on Foata normal form. 96/4327 useless extension candidates. Maximal degree in co-relation 22950. Up to 2931 conditions per place. [2024-10-24 23:31:23,808 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 225 selfloop transitions, 95 changer transitions 15/336 dead transitions. [2024-10-24 23:31:23,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 336 transitions, 5256 flow [2024-10-24 23:31:23,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 23:31:23,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-24 23:31:23,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 174 transitions. [2024-10-24 23:31:23,811 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3411764705882353 [2024-10-24 23:31:23,811 INFO L175 Difference]: Start difference. First operand has 155 places, 232 transitions, 3404 flow. Second operand 15 states and 174 transitions. [2024-10-24 23:31:23,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 336 transitions, 5256 flow [2024-10-24 23:31:24,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 336 transitions, 5094 flow, removed 41 selfloop flow, removed 7 redundant places. [2024-10-24 23:31:24,056 INFO L231 Difference]: Finished difference. Result has 167 places, 265 transitions, 4151 flow [2024-10-24 23:31:24,056 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3293, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=4151, PETRI_PLACES=167, PETRI_TRANSITIONS=265} [2024-10-24 23:31:24,058 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 132 predicate places. [2024-10-24 23:31:24,058 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 265 transitions, 4151 flow [2024-10-24 23:31:24,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:24,059 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:24,059 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:24,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 23:31:24,059 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:24,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:24,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1299969857, now seen corresponding path program 3 times [2024-10-24 23:31:24,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:24,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461189259] [2024-10-24 23:31:24,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:24,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:24,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:24,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:24,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461189259] [2024-10-24 23:31:24,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461189259] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:24,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:24,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:31:24,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730418478] [2024-10-24 23:31:24,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:24,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 23:31:24,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:24,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 23:31:24,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:31:24,552 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:24,552 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 265 transitions, 4151 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:24,552 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:24,552 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:24,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:25,744 INFO L124 PetriNetUnfolderBase]: 2455/4453 cut-off events. [2024-10-24 23:31:25,744 INFO L125 PetriNetUnfolderBase]: For 41550/41554 co-relation queries the response was YES. [2024-10-24 23:31:25,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25392 conditions, 4453 events. 2455/4453 cut-off events. For 41550/41554 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 31241 event pairs, 1236 based on Foata normal form. 80/4283 useless extension candidates. Maximal degree in co-relation 24135. Up to 2769 conditions per place. [2024-10-24 23:31:25,789 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 211 selfloop transitions, 145 changer transitions 11/368 dead transitions. [2024-10-24 23:31:25,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 368 transitions, 6058 flow [2024-10-24 23:31:25,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-24 23:31:25,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-10-24 23:31:25,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 224 transitions. [2024-10-24 23:31:25,791 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32941176470588235 [2024-10-24 23:31:25,792 INFO L175 Difference]: Start difference. First operand has 167 places, 265 transitions, 4151 flow. Second operand 20 states and 224 transitions. [2024-10-24 23:31:25,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 368 transitions, 6058 flow [2024-10-24 23:31:26,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 368 transitions, 5907 flow, removed 40 selfloop flow, removed 5 redundant places. [2024-10-24 23:31:26,102 INFO L231 Difference]: Finished difference. Result has 186 places, 294 transitions, 4962 flow [2024-10-24 23:31:26,103 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4020, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=4962, PETRI_PLACES=186, PETRI_TRANSITIONS=294} [2024-10-24 23:31:26,104 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 151 predicate places. [2024-10-24 23:31:26,104 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 294 transitions, 4962 flow [2024-10-24 23:31:26,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:26,104 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:26,105 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:26,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 23:31:26,105 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:26,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:26,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1305332462, now seen corresponding path program 3 times [2024-10-24 23:31:26,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:26,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253886017] [2024-10-24 23:31:26,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:26,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:26,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:26,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:26,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253886017] [2024-10-24 23:31:26,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253886017] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:26,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:26,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:31:26,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320231962] [2024-10-24 23:31:26,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:26,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 23:31:26,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:26,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 23:31:26,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:31:26,539 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:26,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 294 transitions, 4962 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:26,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:26,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:26,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:27,801 INFO L124 PetriNetUnfolderBase]: 2422/4444 cut-off events. [2024-10-24 23:31:27,801 INFO L125 PetriNetUnfolderBase]: For 51080/51082 co-relation queries the response was YES. [2024-10-24 23:31:27,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26904 conditions, 4444 events. 2422/4444 cut-off events. For 51080/51082 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 31674 event pairs, 1270 based on Foata normal form. 72/4274 useless extension candidates. Maximal degree in co-relation 25641. Up to 2758 conditions per place. [2024-10-24 23:31:27,847 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 203 selfloop transitions, 148 changer transitions 15/367 dead transitions. [2024-10-24 23:31:27,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 367 transitions, 6354 flow [2024-10-24 23:31:27,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 23:31:27,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-24 23:31:27,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 210 transitions. [2024-10-24 23:31:27,849 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32507739938080493 [2024-10-24 23:31:27,849 INFO L175 Difference]: Start difference. First operand has 186 places, 294 transitions, 4962 flow. Second operand 19 states and 210 transitions. [2024-10-24 23:31:27,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 367 transitions, 6354 flow [2024-10-24 23:31:28,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 367 transitions, 6020 flow, removed 56 selfloop flow, removed 13 redundant places. [2024-10-24 23:31:28,127 INFO L231 Difference]: Finished difference. Result has 196 places, 301 transitions, 5218 flow [2024-10-24 23:31:28,127 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4667, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=141, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=5218, PETRI_PLACES=196, PETRI_TRANSITIONS=301} [2024-10-24 23:31:28,127 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 161 predicate places. [2024-10-24 23:31:28,128 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 301 transitions, 5218 flow [2024-10-24 23:31:28,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:28,128 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:28,128 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:28,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 23:31:28,128 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:28,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:28,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1499473457, now seen corresponding path program 4 times [2024-10-24 23:31:28,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:28,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820437173] [2024-10-24 23:31:28,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:28,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:28,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:28,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:28,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820437173] [2024-10-24 23:31:28,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820437173] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:28,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:28,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:31:28,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596486549] [2024-10-24 23:31:28,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:28,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 23:31:28,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:28,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 23:31:28,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:31:28,591 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:28,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 301 transitions, 5218 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:28,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:28,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:28,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:30,043 INFO L124 PetriNetUnfolderBase]: 2350/4338 cut-off events. [2024-10-24 23:31:30,043 INFO L125 PetriNetUnfolderBase]: For 49537/49537 co-relation queries the response was YES. [2024-10-24 23:31:30,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26293 conditions, 4338 events. 2350/4338 cut-off events. For 49537/49537 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 30806 event pairs, 1203 based on Foata normal form. 52/4154 useless extension candidates. Maximal degree in co-relation 25363. Up to 2587 conditions per place. [2024-10-24 23:31:30,084 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 168 selfloop transitions, 194 changer transitions 10/373 dead transitions. [2024-10-24 23:31:30,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 373 transitions, 6644 flow [2024-10-24 23:31:30,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-24 23:31:30,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-10-24 23:31:30,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 231 transitions. [2024-10-24 23:31:30,088 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3088235294117647 [2024-10-24 23:31:30,088 INFO L175 Difference]: Start difference. First operand has 196 places, 301 transitions, 5218 flow. Second operand 22 states and 231 transitions. [2024-10-24 23:31:30,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 373 transitions, 6644 flow [2024-10-24 23:31:30,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 373 transitions, 6328 flow, removed 52 selfloop flow, removed 13 redundant places. [2024-10-24 23:31:30,342 INFO L231 Difference]: Finished difference. Result has 207 places, 307 transitions, 5500 flow [2024-10-24 23:31:30,342 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4936, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=5500, PETRI_PLACES=207, PETRI_TRANSITIONS=307} [2024-10-24 23:31:30,343 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 172 predicate places. [2024-10-24 23:31:30,343 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 307 transitions, 5500 flow [2024-10-24 23:31:30,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:30,343 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:30,343 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:30,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 23:31:30,343 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:30,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:30,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1615928707, now seen corresponding path program 1 times [2024-10-24 23:31:30,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:30,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455218416] [2024-10-24 23:31:30,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:30,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:30,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:30,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:30,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455218416] [2024-10-24 23:31:30,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455218416] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:30,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:30,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:30,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357496635] [2024-10-24 23:31:30,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:30,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:30,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:30,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:30,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:30,863 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:30,863 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 307 transitions, 5500 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:30,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:30,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:30,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:32,210 INFO L124 PetriNetUnfolderBase]: 2300/4297 cut-off events. [2024-10-24 23:31:32,210 INFO L125 PetriNetUnfolderBase]: For 52440/52440 co-relation queries the response was YES. [2024-10-24 23:31:32,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26503 conditions, 4297 events. 2300/4297 cut-off events. For 52440/52440 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 30659 event pairs, 800 based on Foata normal form. 0/4091 useless extension candidates. Maximal degree in co-relation 25905. Up to 2038 conditions per place. [2024-10-24 23:31:32,241 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 243 selfloop transitions, 178 changer transitions 20/442 dead transitions. [2024-10-24 23:31:32,241 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 442 transitions, 7721 flow [2024-10-24 23:31:32,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-24 23:31:32,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-10-24 23:31:32,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 234 transitions. [2024-10-24 23:31:32,242 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31283422459893045 [2024-10-24 23:31:32,242 INFO L175 Difference]: Start difference. First operand has 207 places, 307 transitions, 5500 flow. Second operand 22 states and 234 transitions. [2024-10-24 23:31:32,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 442 transitions, 7721 flow [2024-10-24 23:31:32,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 442 transitions, 7380 flow, removed 29 selfloop flow, removed 14 redundant places. [2024-10-24 23:31:32,459 INFO L231 Difference]: Finished difference. Result has 220 places, 354 transitions, 6317 flow [2024-10-24 23:31:32,459 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5181, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=6317, PETRI_PLACES=220, PETRI_TRANSITIONS=354} [2024-10-24 23:31:32,460 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 185 predicate places. [2024-10-24 23:31:32,460 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 354 transitions, 6317 flow [2024-10-24 23:31:32,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:32,460 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:32,460 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:32,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 23:31:32,460 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:32,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:32,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1615928708, now seen corresponding path program 1 times [2024-10-24 23:31:32,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:32,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639877056] [2024-10-24 23:31:32,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:32,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:32,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:32,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:32,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639877056] [2024-10-24 23:31:32,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639877056] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:32,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:32,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:32,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409227730] [2024-10-24 23:31:32,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:32,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:32,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:32,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:32,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:32,961 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:32,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 354 transitions, 6317 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:32,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:32,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:32,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:33,960 INFO L124 PetriNetUnfolderBase]: 1826/3479 cut-off events. [2024-10-24 23:31:33,960 INFO L125 PetriNetUnfolderBase]: For 61327/61329 co-relation queries the response was YES. [2024-10-24 23:31:33,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23887 conditions, 3479 events. 1826/3479 cut-off events. For 61327/61329 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 24723 event pairs, 847 based on Foata normal form. 14/3367 useless extension candidates. Maximal degree in co-relation 23285. Up to 2924 conditions per place. [2024-10-24 23:31:33,989 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 312 selfloop transitions, 77 changer transitions 16/406 dead transitions. [2024-10-24 23:31:33,989 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 406 transitions, 7437 flow [2024-10-24 23:31:33,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 23:31:33,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-24 23:31:33,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 160 transitions. [2024-10-24 23:31:33,990 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3137254901960784 [2024-10-24 23:31:33,990 INFO L175 Difference]: Start difference. First operand has 220 places, 354 transitions, 6317 flow. Second operand 15 states and 160 transitions. [2024-10-24 23:31:33,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 406 transitions, 7437 flow [2024-10-24 23:31:34,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 406 transitions, 7263 flow, removed 44 selfloop flow, removed 8 redundant places. [2024-10-24 23:31:34,249 INFO L231 Difference]: Finished difference. Result has 233 places, 361 transitions, 6415 flow [2024-10-24 23:31:34,250 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6165, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6415, PETRI_PLACES=233, PETRI_TRANSITIONS=361} [2024-10-24 23:31:34,250 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 198 predicate places. [2024-10-24 23:31:34,250 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 361 transitions, 6415 flow [2024-10-24 23:31:34,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:34,251 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:34,251 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:34,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 23:31:34,251 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:34,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:34,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1283461148, now seen corresponding path program 2 times [2024-10-24 23:31:34,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:34,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901975379] [2024-10-24 23:31:34,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:34,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:34,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:34,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:34,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901975379] [2024-10-24 23:31:34,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901975379] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:34,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:34,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:34,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714918769] [2024-10-24 23:31:34,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:34,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:34,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:34,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:34,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:34,714 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:34,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 361 transitions, 6415 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:34,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:34,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:34,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:35,798 INFO L124 PetriNetUnfolderBase]: 2082/3988 cut-off events. [2024-10-24 23:31:35,799 INFO L125 PetriNetUnfolderBase]: For 77206/77208 co-relation queries the response was YES. [2024-10-24 23:31:35,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26891 conditions, 3988 events. 2082/3988 cut-off events. For 77206/77208 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 29265 event pairs, 887 based on Foata normal form. 28/3890 useless extension candidates. Maximal degree in co-relation 26285. Up to 2918 conditions per place. [2024-10-24 23:31:35,834 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 370 selfloop transitions, 95 changer transitions 8/474 dead transitions. [2024-10-24 23:31:35,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 474 transitions, 8576 flow [2024-10-24 23:31:35,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 23:31:35,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-24 23:31:35,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 217 transitions. [2024-10-24 23:31:35,835 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33591331269349844 [2024-10-24 23:31:35,835 INFO L175 Difference]: Start difference. First operand has 233 places, 361 transitions, 6415 flow. Second operand 19 states and 217 transitions. [2024-10-24 23:31:35,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 474 transitions, 8576 flow [2024-10-24 23:31:36,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 474 transitions, 8384 flow, removed 54 selfloop flow, removed 8 redundant places. [2024-10-24 23:31:36,180 INFO L231 Difference]: Finished difference. Result has 250 places, 391 transitions, 7116 flow [2024-10-24 23:31:36,181 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6284, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=7116, PETRI_PLACES=250, PETRI_TRANSITIONS=391} [2024-10-24 23:31:36,181 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 215 predicate places. [2024-10-24 23:31:36,182 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 391 transitions, 7116 flow [2024-10-24 23:31:36,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:36,182 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:36,182 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:36,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 23:31:36,182 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:36,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:36,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1281673688, now seen corresponding path program 3 times [2024-10-24 23:31:36,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:36,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258846274] [2024-10-24 23:31:36,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:36,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:36,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:36,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:36,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258846274] [2024-10-24 23:31:36,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258846274] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:36,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:36,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:36,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064246084] [2024-10-24 23:31:36,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:36,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:36,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:36,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:36,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:36,651 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:36,651 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 391 transitions, 7116 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:36,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:36,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:36,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:38,145 INFO L124 PetriNetUnfolderBase]: 2046/3930 cut-off events. [2024-10-24 23:31:38,146 INFO L125 PetriNetUnfolderBase]: For 78405/78407 co-relation queries the response was YES. [2024-10-24 23:31:38,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27059 conditions, 3930 events. 2046/3930 cut-off events. For 78405/78407 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 28839 event pairs, 871 based on Foata normal form. 28/3832 useless extension candidates. Maximal degree in co-relation 26605. Up to 2918 conditions per place. [2024-10-24 23:31:38,193 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 366 selfloop transitions, 97 changer transitions 6/470 dead transitions. [2024-10-24 23:31:38,193 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 470 transitions, 8698 flow [2024-10-24 23:31:38,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 23:31:38,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-24 23:31:38,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 210 transitions. [2024-10-24 23:31:38,195 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32507739938080493 [2024-10-24 23:31:38,195 INFO L175 Difference]: Start difference. First operand has 250 places, 391 transitions, 7116 flow. Second operand 19 states and 210 transitions. [2024-10-24 23:31:38,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 470 transitions, 8698 flow [2024-10-24 23:31:38,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 470 transitions, 8461 flow, removed 99 selfloop flow, removed 4 redundant places. [2024-10-24 23:31:38,671 INFO L231 Difference]: Finished difference. Result has 271 places, 398 transitions, 7319 flow [2024-10-24 23:31:38,672 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6927, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=7319, PETRI_PLACES=271, PETRI_TRANSITIONS=398} [2024-10-24 23:31:38,672 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 236 predicate places. [2024-10-24 23:31:38,672 INFO L471 AbstractCegarLoop]: Abstraction has has 271 places, 398 transitions, 7319 flow [2024-10-24 23:31:38,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:38,673 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:38,673 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:38,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 23:31:38,673 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:38,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:38,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1714398118, now seen corresponding path program 1 times [2024-10-24 23:31:38,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:38,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304543606] [2024-10-24 23:31:38,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:38,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:38,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:38,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:38,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304543606] [2024-10-24 23:31:38,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304543606] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:38,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:38,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:31:38,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782745105] [2024-10-24 23:31:38,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:38,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:31:38,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:38,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:31:38,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:31:38,754 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 34 [2024-10-24 23:31:38,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 398 transitions, 7319 flow. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:38,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:38,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 34 [2024-10-24 23:31:38,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:39,182 INFO L124 PetriNetUnfolderBase]: 1153/2232 cut-off events. [2024-10-24 23:31:39,182 INFO L125 PetriNetUnfolderBase]: For 42683/42683 co-relation queries the response was YES. [2024-10-24 23:31:39,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15062 conditions, 2232 events. 1153/2232 cut-off events. For 42683/42683 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 15233 event pairs, 228 based on Foata normal form. 0/2168 useless extension candidates. Maximal degree in co-relation 14848. Up to 1416 conditions per place. [2024-10-24 23:31:39,216 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 365 selfloop transitions, 46 changer transitions 19/430 dead transitions. [2024-10-24 23:31:39,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 430 transitions, 9020 flow [2024-10-24 23:31:39,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:31:39,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-24 23:31:39,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 66 transitions. [2024-10-24 23:31:39,218 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4852941176470588 [2024-10-24 23:31:39,218 INFO L175 Difference]: Start difference. First operand has 271 places, 398 transitions, 7319 flow. Second operand 4 states and 66 transitions. [2024-10-24 23:31:39,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 430 transitions, 9020 flow [2024-10-24 23:31:39,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 430 transitions, 8629 flow, removed 54 selfloop flow, removed 15 redundant places. [2024-10-24 23:31:39,409 INFO L231 Difference]: Finished difference. Result has 254 places, 285 transitions, 5175 flow [2024-10-24 23:31:39,410 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5312, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=5175, PETRI_PLACES=254, PETRI_TRANSITIONS=285} [2024-10-24 23:31:39,410 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 219 predicate places. [2024-10-24 23:31:39,410 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 285 transitions, 5175 flow [2024-10-24 23:31:39,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:39,411 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:39,411 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:39,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 23:31:39,411 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:39,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:39,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1144929476, now seen corresponding path program 4 times [2024-10-24 23:31:39,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:39,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653072453] [2024-10-24 23:31:39,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:39,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:39,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:39,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:39,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653072453] [2024-10-24 23:31:39,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653072453] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:39,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:39,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:39,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062904544] [2024-10-24 23:31:39,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:39,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:39,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:39,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:39,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:39,955 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:39,956 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 285 transitions, 5175 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:39,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:39,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:39,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:40,821 INFO L124 PetriNetUnfolderBase]: 1131/2190 cut-off events. [2024-10-24 23:31:40,822 INFO L125 PetriNetUnfolderBase]: For 32492/32492 co-relation queries the response was YES. [2024-10-24 23:31:40,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14707 conditions, 2190 events. 1131/2190 cut-off events. For 32492/32492 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 14245 event pairs, 444 based on Foata normal form. 26/2152 useless extension candidates. Maximal degree in co-relation 14611. Up to 1547 conditions per place. [2024-10-24 23:31:40,851 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 216 selfloop transitions, 106 changer transitions 16/338 dead transitions. [2024-10-24 23:31:40,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 338 transitions, 6471 flow [2024-10-24 23:31:40,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 23:31:40,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-24 23:31:40,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 152 transitions. [2024-10-24 23:31:40,853 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31932773109243695 [2024-10-24 23:31:40,853 INFO L175 Difference]: Start difference. First operand has 254 places, 285 transitions, 5175 flow. Second operand 14 states and 152 transitions. [2024-10-24 23:31:40,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 338 transitions, 6471 flow [2024-10-24 23:31:41,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 338 transitions, 6319 flow, removed 17 selfloop flow, removed 9 redundant places. [2024-10-24 23:31:41,051 INFO L231 Difference]: Finished difference. Result has 252 places, 291 transitions, 5473 flow [2024-10-24 23:31:41,051 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5056, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5473, PETRI_PLACES=252, PETRI_TRANSITIONS=291} [2024-10-24 23:31:41,052 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 217 predicate places. [2024-10-24 23:31:41,052 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 291 transitions, 5473 flow [2024-10-24 23:31:41,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:41,052 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:41,052 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:41,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 23:31:41,052 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:41,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:41,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1283457626, now seen corresponding path program 5 times [2024-10-24 23:31:41,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:41,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861528191] [2024-10-24 23:31:41,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:41,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:41,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:41,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:41,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861528191] [2024-10-24 23:31:41,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861528191] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:41,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:41,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:41,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245439792] [2024-10-24 23:31:41,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:41,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:41,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:41,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:41,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:41,491 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:41,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 291 transitions, 5473 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:41,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:41,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:41,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:42,338 INFO L124 PetriNetUnfolderBase]: 1217/2386 cut-off events. [2024-10-24 23:31:42,339 INFO L125 PetriNetUnfolderBase]: For 35988/35988 co-relation queries the response was YES. [2024-10-24 23:31:42,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15743 conditions, 2386 events. 1217/2386 cut-off events. For 35988/35988 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 16039 event pairs, 500 based on Foata normal form. 16/2338 useless extension candidates. Maximal degree in co-relation 15454. Up to 1703 conditions per place. [2024-10-24 23:31:42,362 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 262 selfloop transitions, 94 changer transitions 15/371 dead transitions. [2024-10-24 23:31:42,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 371 transitions, 6924 flow [2024-10-24 23:31:42,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 23:31:42,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-24 23:31:42,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 191 transitions. [2024-10-24 23:31:42,363 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31209150326797386 [2024-10-24 23:31:42,364 INFO L175 Difference]: Start difference. First operand has 252 places, 291 transitions, 5473 flow. Second operand 18 states and 191 transitions. [2024-10-24 23:31:42,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 371 transitions, 6924 flow [2024-10-24 23:31:42,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 371 transitions, 6818 flow, removed 20 selfloop flow, removed 5 redundant places. [2024-10-24 23:31:42,578 INFO L231 Difference]: Finished difference. Result has 269 places, 299 transitions, 5803 flow [2024-10-24 23:31:42,579 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5387, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=5803, PETRI_PLACES=269, PETRI_TRANSITIONS=299} [2024-10-24 23:31:42,579 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 234 predicate places. [2024-10-24 23:31:42,579 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 299 transitions, 5803 flow [2024-10-24 23:31:42,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:42,579 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:42,579 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:42,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 23:31:42,580 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:42,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:42,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1139265565, now seen corresponding path program 1 times [2024-10-24 23:31:42,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:42,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753547256] [2024-10-24 23:31:42,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:42,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:43,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:43,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:43,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753547256] [2024-10-24 23:31:43,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753547256] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:43,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:43,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:43,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512978838] [2024-10-24 23:31:43,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:43,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:43,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:43,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:43,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:43,005 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:43,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 299 transitions, 5803 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:43,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:43,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:43,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:44,070 INFO L124 PetriNetUnfolderBase]: 1219/2414 cut-off events. [2024-10-24 23:31:44,071 INFO L125 PetriNetUnfolderBase]: For 39779/39779 co-relation queries the response was YES. [2024-10-24 23:31:44,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16551 conditions, 2414 events. 1219/2414 cut-off events. For 39779/39779 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 16326 event pairs, 433 based on Foata normal form. 0/2382 useless extension candidates. Maximal degree in co-relation 16272. Up to 882 conditions per place. [2024-10-24 23:31:44,097 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 231 selfloop transitions, 142 changer transitions 17/390 dead transitions. [2024-10-24 23:31:44,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 390 transitions, 7625 flow [2024-10-24 23:31:44,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-24 23:31:44,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-10-24 23:31:44,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 224 transitions. [2024-10-24 23:31:44,099 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2864450127877238 [2024-10-24 23:31:44,099 INFO L175 Difference]: Start difference. First operand has 269 places, 299 transitions, 5803 flow. Second operand 23 states and 224 transitions. [2024-10-24 23:31:44,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 390 transitions, 7625 flow [2024-10-24 23:31:44,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 390 transitions, 7463 flow, removed 36 selfloop flow, removed 8 redundant places. [2024-10-24 23:31:44,343 INFO L231 Difference]: Finished difference. Result has 288 places, 311 transitions, 6239 flow [2024-10-24 23:31:44,343 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5643, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=6239, PETRI_PLACES=288, PETRI_TRANSITIONS=311} [2024-10-24 23:31:44,344 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 253 predicate places. [2024-10-24 23:31:44,344 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 311 transitions, 6239 flow [2024-10-24 23:31:44,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:44,344 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:44,344 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:44,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 23:31:44,345 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:44,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:44,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1285245086, now seen corresponding path program 6 times [2024-10-24 23:31:44,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:44,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408411089] [2024-10-24 23:31:44,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:44,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:44,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:44,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:44,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408411089] [2024-10-24 23:31:44,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408411089] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:44,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:44,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:44,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950405588] [2024-10-24 23:31:44,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:44,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:44,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:44,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:44,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:44,808 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:44,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 311 transitions, 6239 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:44,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:44,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:44,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:45,724 INFO L124 PetriNetUnfolderBase]: 1175/2326 cut-off events. [2024-10-24 23:31:45,724 INFO L125 PetriNetUnfolderBase]: For 41852/41852 co-relation queries the response was YES. [2024-10-24 23:31:45,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16378 conditions, 2326 events. 1175/2326 cut-off events. For 41852/41852 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 15650 event pairs, 484 based on Foata normal form. 16/2342 useless extension candidates. Maximal degree in co-relation 16065. Up to 1732 conditions per place. [2024-10-24 23:31:45,744 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 254 selfloop transitions, 92 changer transitions 12/358 dead transitions. [2024-10-24 23:31:45,745 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 358 transitions, 7191 flow [2024-10-24 23:31:45,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 23:31:45,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-24 23:31:45,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 160 transitions. [2024-10-24 23:31:45,746 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3137254901960784 [2024-10-24 23:31:45,746 INFO L175 Difference]: Start difference. First operand has 288 places, 311 transitions, 6239 flow. Second operand 15 states and 160 transitions. [2024-10-24 23:31:45,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 358 transitions, 7191 flow [2024-10-24 23:31:45,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 358 transitions, 7000 flow, removed 17 selfloop flow, removed 12 redundant places. [2024-10-24 23:31:45,956 INFO L231 Difference]: Finished difference. Result has 291 places, 311 transitions, 6258 flow [2024-10-24 23:31:45,956 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6051, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6258, PETRI_PLACES=291, PETRI_TRANSITIONS=311} [2024-10-24 23:31:45,957 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 256 predicate places. [2024-10-24 23:31:45,957 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 311 transitions, 6258 flow [2024-10-24 23:31:45,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:45,957 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:45,957 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:45,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 23:31:45,957 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:45,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:45,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1139265566, now seen corresponding path program 1 times [2024-10-24 23:31:45,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:45,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823716994] [2024-10-24 23:31:45,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:45,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:46,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:46,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:46,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823716994] [2024-10-24 23:31:46,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823716994] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:46,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:46,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 23:31:46,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349678122] [2024-10-24 23:31:46,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:46,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 23:31:46,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:46,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 23:31:46,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 23:31:46,228 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:46,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 311 transitions, 6258 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:46,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:46,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:46,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:47,144 INFO L124 PetriNetUnfolderBase]: 1093/2172 cut-off events. [2024-10-24 23:31:47,144 INFO L125 PetriNetUnfolderBase]: For 42385/42385 co-relation queries the response was YES. [2024-10-24 23:31:47,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15587 conditions, 2172 events. 1093/2172 cut-off events. For 42385/42385 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 14419 event pairs, 225 based on Foata normal form. 32/2204 useless extension candidates. Maximal degree in co-relation 15276. Up to 490 conditions per place. [2024-10-24 23:31:47,167 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 212 selfloop transitions, 123 changer transitions 32/367 dead transitions. [2024-10-24 23:31:47,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 367 transitions, 7425 flow [2024-10-24 23:31:47,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 23:31:47,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-10-24 23:31:47,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 185 transitions. [2024-10-24 23:31:47,168 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32006920415224915 [2024-10-24 23:31:47,168 INFO L175 Difference]: Start difference. First operand has 291 places, 311 transitions, 6258 flow. Second operand 17 states and 185 transitions. [2024-10-24 23:31:47,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 367 transitions, 7425 flow [2024-10-24 23:31:47,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 367 transitions, 7245 flow, removed 12 selfloop flow, removed 8 redundant places. [2024-10-24 23:31:47,389 INFO L231 Difference]: Finished difference. Result has 300 places, 296 transitions, 5964 flow [2024-10-24 23:31:47,390 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6061, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=5964, PETRI_PLACES=300, PETRI_TRANSITIONS=296} [2024-10-24 23:31:47,390 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 265 predicate places. [2024-10-24 23:31:47,390 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 296 transitions, 5964 flow [2024-10-24 23:31:47,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:47,391 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:47,391 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:47,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-24 23:31:47,391 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:47,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:47,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1139480605, now seen corresponding path program 2 times [2024-10-24 23:31:47,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:47,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593561166] [2024-10-24 23:31:47,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:47,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:47,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:47,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:47,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593561166] [2024-10-24 23:31:47,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593561166] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:47,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:47,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:47,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809653342] [2024-10-24 23:31:47,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:47,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:47,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:47,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:47,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:47,833 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:47,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 296 transitions, 5964 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:47,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:47,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:47,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:48,658 INFO L124 PetriNetUnfolderBase]: 982/1953 cut-off events. [2024-10-24 23:31:48,658 INFO L125 PetriNetUnfolderBase]: For 38143/38143 co-relation queries the response was YES. [2024-10-24 23:31:48,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14423 conditions, 1953 events. 982/1953 cut-off events. For 38143/38143 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 12587 event pairs, 396 based on Foata normal form. 16/1969 useless extension candidates. Maximal degree in co-relation 14111. Up to 1479 conditions per place. [2024-10-24 23:31:48,676 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 197 selfloop transitions, 58 changer transitions 67/322 dead transitions. [2024-10-24 23:31:48,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 322 transitions, 6656 flow [2024-10-24 23:31:48,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 23:31:48,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-24 23:31:48,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 143 transitions. [2024-10-24 23:31:48,677 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3004201680672269 [2024-10-24 23:31:48,677 INFO L175 Difference]: Start difference. First operand has 300 places, 296 transitions, 5964 flow. Second operand 14 states and 143 transitions. [2024-10-24 23:31:48,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 322 transitions, 6656 flow [2024-10-24 23:31:48,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 322 transitions, 6365 flow, removed 29 selfloop flow, removed 13 redundant places. [2024-10-24 23:31:48,860 INFO L231 Difference]: Finished difference. Result has 292 places, 241 transitions, 4628 flow [2024-10-24 23:31:48,861 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5641, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=4628, PETRI_PLACES=292, PETRI_TRANSITIONS=241} [2024-10-24 23:31:48,861 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 257 predicate places. [2024-10-24 23:31:48,861 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 241 transitions, 4628 flow [2024-10-24 23:31:48,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:48,861 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:48,861 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:48,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-24 23:31:48,862 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:48,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:48,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1986023714, now seen corresponding path program 7 times [2024-10-24 23:31:48,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:48,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217073960] [2024-10-24 23:31:48,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:48,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:49,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:49,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:49,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217073960] [2024-10-24 23:31:49,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217073960] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:49,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:49,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 23:31:49,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946148865] [2024-10-24 23:31:49,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:49,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 23:31:49,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:49,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 23:31:49,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 23:31:49,120 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:49,121 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 241 transitions, 4628 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:49,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:49,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:49,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:49,916 INFO L124 PetriNetUnfolderBase]: 951/1908 cut-off events. [2024-10-24 23:31:49,916 INFO L125 PetriNetUnfolderBase]: For 30415/30415 co-relation queries the response was YES. [2024-10-24 23:31:49,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12768 conditions, 1908 events. 951/1908 cut-off events. For 30415/30415 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 12414 event pairs, 165 based on Foata normal form. 48/1956 useless extension candidates. Maximal degree in co-relation 12537. Up to 583 conditions per place. [2024-10-24 23:31:49,934 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 189 selfloop transitions, 116 changer transitions 7/312 dead transitions. [2024-10-24 23:31:49,934 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 312 transitions, 5901 flow [2024-10-24 23:31:49,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 23:31:49,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-10-24 23:31:49,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 188 transitions. [2024-10-24 23:31:49,936 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32525951557093424 [2024-10-24 23:31:49,936 INFO L175 Difference]: Start difference. First operand has 292 places, 241 transitions, 4628 flow. Second operand 17 states and 188 transitions. [2024-10-24 23:31:49,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 312 transitions, 5901 flow [2024-10-24 23:31:50,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 312 transitions, 5412 flow, removed 44 selfloop flow, removed 35 redundant places. [2024-10-24 23:31:50,068 INFO L231 Difference]: Finished difference. Result has 268 places, 253 transitions, 4691 flow [2024-10-24 23:31:50,068 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4183, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=4691, PETRI_PLACES=268, PETRI_TRANSITIONS=253} [2024-10-24 23:31:50,069 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 233 predicate places. [2024-10-24 23:31:50,069 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 253 transitions, 4691 flow [2024-10-24 23:31:50,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:50,069 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:50,069 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:50,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-24 23:31:50,069 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:50,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:50,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1986023715, now seen corresponding path program 3 times [2024-10-24 23:31:50,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:50,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829491571] [2024-10-24 23:31:50,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:50,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:50,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:50,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:50,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829491571] [2024-10-24 23:31:50,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829491571] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:50,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:50,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:50,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990905073] [2024-10-24 23:31:50,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:50,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:50,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:50,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:50,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:50,492 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:50,492 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 253 transitions, 4691 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:50,492 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:50,492 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:50,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:51,395 INFO L124 PetriNetUnfolderBase]: 879/1768 cut-off events. [2024-10-24 23:31:51,396 INFO L125 PetriNetUnfolderBase]: For 26828/26828 co-relation queries the response was YES. [2024-10-24 23:31:51,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11932 conditions, 1768 events. 879/1768 cut-off events. For 26828/26828 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 11273 event pairs, 290 based on Foata normal form. 38/1806 useless extension candidates. Maximal degree in co-relation 11705. Up to 781 conditions per place. [2024-10-24 23:31:51,412 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 190 selfloop transitions, 79 changer transitions 50/319 dead transitions. [2024-10-24 23:31:51,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 319 transitions, 5863 flow [2024-10-24 23:31:51,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-24 23:31:51,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-10-24 23:31:51,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 219 transitions. [2024-10-24 23:31:51,414 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.28005115089514065 [2024-10-24 23:31:51,414 INFO L175 Difference]: Start difference. First operand has 268 places, 253 transitions, 4691 flow. Second operand 23 states and 219 transitions. [2024-10-24 23:31:51,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 319 transitions, 5863 flow [2024-10-24 23:31:51,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 319 transitions, 5551 flow, removed 38 selfloop flow, removed 10 redundant places. [2024-10-24 23:31:51,542 INFO L231 Difference]: Finished difference. Result has 280 places, 230 transitions, 4133 flow [2024-10-24 23:31:51,542 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4381, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=4133, PETRI_PLACES=280, PETRI_TRANSITIONS=230} [2024-10-24 23:31:51,543 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 245 predicate places. [2024-10-24 23:31:51,543 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 230 transitions, 4133 flow [2024-10-24 23:31:51,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:51,543 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:51,543 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:51,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-24 23:31:51,543 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:51,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:51,544 INFO L85 PathProgramCache]: Analyzing trace with hash 468706782, now seen corresponding path program 2 times [2024-10-24 23:31:51,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:51,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54843818] [2024-10-24 23:31:51,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:51,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:52,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:52,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:52,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54843818] [2024-10-24 23:31:52,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54843818] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:52,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:52,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 23:31:52,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888249464] [2024-10-24 23:31:52,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:52,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 23:31:52,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:52,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 23:31:52,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-24 23:31:52,074 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:52,075 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 230 transitions, 4133 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:52,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:52,075 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:52,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:53,154 INFO L124 PetriNetUnfolderBase]: 826/1645 cut-off events. [2024-10-24 23:31:53,154 INFO L125 PetriNetUnfolderBase]: For 21862/21862 co-relation queries the response was YES. [2024-10-24 23:31:53,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10902 conditions, 1645 events. 826/1645 cut-off events. For 21862/21862 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 10169 event pairs, 267 based on Foata normal form. 16/1661 useless extension candidates. Maximal degree in co-relation 10678. Up to 797 conditions per place. [2024-10-24 23:31:53,175 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 181 selfloop transitions, 106 changer transitions 5/292 dead transitions. [2024-10-24 23:31:53,175 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 292 transitions, 5255 flow [2024-10-24 23:31:53,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-24 23:31:53,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2024-10-24 23:31:53,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 240 transitions. [2024-10-24 23:31:53,177 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.26143790849673204 [2024-10-24 23:31:53,177 INFO L175 Difference]: Start difference. First operand has 280 places, 230 transitions, 4133 flow. Second operand 27 states and 240 transitions. [2024-10-24 23:31:53,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 292 transitions, 5255 flow [2024-10-24 23:31:53,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 292 transitions, 4942 flow, removed 47 selfloop flow, removed 16 redundant places. [2024-10-24 23:31:53,269 INFO L231 Difference]: Finished difference. Result has 287 places, 244 transitions, 4423 flow [2024-10-24 23:31:53,269 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3878, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=4423, PETRI_PLACES=287, PETRI_TRANSITIONS=244} [2024-10-24 23:31:53,270 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 252 predicate places. [2024-10-24 23:31:53,270 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 244 transitions, 4423 flow [2024-10-24 23:31:53,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:53,270 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:53,270 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:53,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-24 23:31:53,270 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:53,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:53,271 INFO L85 PathProgramCache]: Analyzing trace with hash 728782212, now seen corresponding path program 3 times [2024-10-24 23:31:53,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:53,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839112871] [2024-10-24 23:31:53,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:53,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:53,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:53,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:53,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839112871] [2024-10-24 23:31:53,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839112871] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:53,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:53,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 23:31:53,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140102879] [2024-10-24 23:31:53,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:53,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 23:31:53,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:53,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 23:31:53,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-24 23:31:53,798 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:53,799 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 244 transitions, 4423 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:53,799 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:53,799 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:53,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:54,701 INFO L124 PetriNetUnfolderBase]: 944/1883 cut-off events. [2024-10-24 23:31:54,701 INFO L125 PetriNetUnfolderBase]: For 21270/21270 co-relation queries the response was YES. [2024-10-24 23:31:54,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11984 conditions, 1883 events. 944/1883 cut-off events. For 21270/21270 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 12160 event pairs, 275 based on Foata normal form. 8/1891 useless extension candidates. Maximal degree in co-relation 11760. Up to 833 conditions per place. [2024-10-24 23:31:54,718 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 189 selfloop transitions, 115 changer transitions 5/309 dead transitions. [2024-10-24 23:31:54,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 309 transitions, 5458 flow [2024-10-24 23:31:54,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-24 23:31:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-10-24 23:31:54,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 227 transitions. [2024-10-24 23:31:54,720 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.25678733031674206 [2024-10-24 23:31:54,720 INFO L175 Difference]: Start difference. First operand has 287 places, 244 transitions, 4423 flow. Second operand 26 states and 227 transitions. [2024-10-24 23:31:54,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 309 transitions, 5458 flow [2024-10-24 23:31:54,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 309 transitions, 5303 flow, removed 15 selfloop flow, removed 14 redundant places. [2024-10-24 23:31:54,812 INFO L231 Difference]: Finished difference. Result has 300 places, 252 transitions, 4705 flow [2024-10-24 23:31:54,812 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4274, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=4705, PETRI_PLACES=300, PETRI_TRANSITIONS=252} [2024-10-24 23:31:54,813 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 265 predicate places. [2024-10-24 23:31:54,813 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 252 transitions, 4705 flow [2024-10-24 23:31:54,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:54,813 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:54,813 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:54,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-24 23:31:54,813 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:54,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:54,814 INFO L85 PathProgramCache]: Analyzing trace with hash 487783842, now seen corresponding path program 8 times [2024-10-24 23:31:54,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:54,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848887110] [2024-10-24 23:31:54,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:54,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:55,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:55,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:55,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848887110] [2024-10-24 23:31:55,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848887110] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:55,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:55,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 23:31:55,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332010399] [2024-10-24 23:31:55,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:55,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 23:31:55,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:55,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 23:31:55,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 23:31:55,084 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:55,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 252 transitions, 4705 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:55,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:55,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:55,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:55,792 INFO L124 PetriNetUnfolderBase]: 988/1989 cut-off events. [2024-10-24 23:31:55,792 INFO L125 PetriNetUnfolderBase]: For 25126/25126 co-relation queries the response was YES. [2024-10-24 23:31:55,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12738 conditions, 1989 events. 988/1989 cut-off events. For 25126/25126 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 13204 event pairs, 179 based on Foata normal form. 38/2027 useless extension candidates. Maximal degree in co-relation 12387. Up to 313 conditions per place. [2024-10-24 23:31:55,813 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 202 selfloop transitions, 112 changer transitions 9/323 dead transitions. [2024-10-24 23:31:55,813 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 323 transitions, 5858 flow [2024-10-24 23:31:55,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 23:31:55,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-24 23:31:55,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 210 transitions. [2024-10-24 23:31:55,814 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32507739938080493 [2024-10-24 23:31:55,814 INFO L175 Difference]: Start difference. First operand has 300 places, 252 transitions, 4705 flow. Second operand 19 states and 210 transitions. [2024-10-24 23:31:55,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 323 transitions, 5858 flow [2024-10-24 23:31:55,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 323 transitions, 5726 flow, removed 30 selfloop flow, removed 12 redundant places. [2024-10-24 23:31:55,939 INFO L231 Difference]: Finished difference. Result has 311 places, 252 transitions, 4880 flow [2024-10-24 23:31:55,940 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4611, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4880, PETRI_PLACES=311, PETRI_TRANSITIONS=252} [2024-10-24 23:31:55,940 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 276 predicate places. [2024-10-24 23:31:55,940 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 252 transitions, 4880 flow [2024-10-24 23:31:55,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:55,940 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:55,940 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:55,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-24 23:31:55,941 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:55,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:55,941 INFO L85 PathProgramCache]: Analyzing trace with hash -2114789132, now seen corresponding path program 4 times [2024-10-24 23:31:55,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:55,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112235424] [2024-10-24 23:31:55,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:55,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:56,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:56,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:56,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112235424] [2024-10-24 23:31:56,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112235424] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:56,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:56,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:56,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131179958] [2024-10-24 23:31:56,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:56,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:56,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:56,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:56,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:56,399 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:56,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 252 transitions, 4880 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:56,400 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:56,400 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:56,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:57,414 INFO L124 PetriNetUnfolderBase]: 884/1799 cut-off events. [2024-10-24 23:31:57,414 INFO L125 PetriNetUnfolderBase]: For 25093/25093 co-relation queries the response was YES. [2024-10-24 23:31:57,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11904 conditions, 1799 events. 884/1799 cut-off events. For 25093/25093 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 11752 event pairs, 236 based on Foata normal form. 56/1855 useless extension candidates. Maximal degree in co-relation 11656. Up to 983 conditions per place. [2024-10-24 23:31:57,433 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 217 selfloop transitions, 91 changer transitions 5/313 dead transitions. [2024-10-24 23:31:57,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 313 transitions, 5836 flow [2024-10-24 23:31:57,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-24 23:31:57,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2024-10-24 23:31:57,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 250 transitions. [2024-10-24 23:31:57,434 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.26260504201680673 [2024-10-24 23:31:57,434 INFO L175 Difference]: Start difference. First operand has 311 places, 252 transitions, 4880 flow. Second operand 28 states and 250 transitions. [2024-10-24 23:31:57,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 313 transitions, 5836 flow [2024-10-24 23:31:57,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 313 transitions, 5223 flow, removed 120 selfloop flow, removed 30 redundant places. [2024-10-24 23:31:57,559 INFO L231 Difference]: Finished difference. Result has 307 places, 253 transitions, 4506 flow [2024-10-24 23:31:57,560 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4310, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=4506, PETRI_PLACES=307, PETRI_TRANSITIONS=253} [2024-10-24 23:31:57,561 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 272 predicate places. [2024-10-24 23:31:57,561 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 253 transitions, 4506 flow [2024-10-24 23:31:57,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:57,561 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:57,561 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:57,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-24 23:31:57,561 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:57,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:57,562 INFO L85 PathProgramCache]: Analyzing trace with hash 294059473, now seen corresponding path program 2 times [2024-10-24 23:31:57,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:57,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306828850] [2024-10-24 23:31:57,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:57,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:58,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:58,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:58,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306828850] [2024-10-24 23:31:58,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306828850] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:58,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:58,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 23:31:58,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470776305] [2024-10-24 23:31:58,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:58,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 23:31:58,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:58,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 23:31:58,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-24 23:31:58,069 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:58,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 253 transitions, 4506 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:58,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:58,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:58,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:31:58,938 INFO L124 PetriNetUnfolderBase]: 844/1727 cut-off events. [2024-10-24 23:31:58,939 INFO L125 PetriNetUnfolderBase]: For 15995/15995 co-relation queries the response was YES. [2024-10-24 23:31:58,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10624 conditions, 1727 events. 844/1727 cut-off events. For 15995/15995 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 11211 event pairs, 308 based on Foata normal form. 32/1759 useless extension candidates. Maximal degree in co-relation 10233. Up to 646 conditions per place. [2024-10-24 23:31:58,963 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 178 selfloop transitions, 80 changer transitions 40/298 dead transitions. [2024-10-24 23:31:58,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 298 transitions, 5328 flow [2024-10-24 23:31:58,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-24 23:31:58,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-10-24 23:31:58,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 218 transitions. [2024-10-24 23:31:58,967 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.26715686274509803 [2024-10-24 23:31:58,967 INFO L175 Difference]: Start difference. First operand has 307 places, 253 transitions, 4506 flow. Second operand 24 states and 218 transitions. [2024-10-24 23:31:58,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 298 transitions, 5328 flow [2024-10-24 23:31:59,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 298 transitions, 5066 flow, removed 6 selfloop flow, removed 24 redundant places. [2024-10-24 23:31:59,073 INFO L231 Difference]: Finished difference. Result has 307 places, 230 transitions, 3935 flow [2024-10-24 23:31:59,074 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4238, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3935, PETRI_PLACES=307, PETRI_TRANSITIONS=230} [2024-10-24 23:31:59,075 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 272 predicate places. [2024-10-24 23:31:59,075 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 230 transitions, 3935 flow [2024-10-24 23:31:59,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:59,075 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:31:59,075 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:31:59,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-24 23:31:59,076 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:31:59,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:31:59,076 INFO L85 PathProgramCache]: Analyzing trace with hash 293844433, now seen corresponding path program 4 times [2024-10-24 23:31:59,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:31:59,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747524981] [2024-10-24 23:31:59,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:31:59,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:31:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:31:59,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:31:59,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:31:59,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747524981] [2024-10-24 23:31:59,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747524981] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:31:59,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:31:59,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:31:59,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139623855] [2024-10-24 23:31:59,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:31:59,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:31:59,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:31:59,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:31:59,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:31:59,502 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:31:59,502 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 230 transitions, 3935 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:31:59,502 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:31:59,502 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:31:59,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:32:00,229 INFO L124 PetriNetUnfolderBase]: 734/1527 cut-off events. [2024-10-24 23:32:00,229 INFO L125 PetriNetUnfolderBase]: For 13093/13093 co-relation queries the response was YES. [2024-10-24 23:32:00,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9005 conditions, 1527 events. 734/1527 cut-off events. For 13093/13093 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 9712 event pairs, 290 based on Foata normal form. 28/1555 useless extension candidates. Maximal degree in co-relation 8699. Up to 573 conditions per place. [2024-10-24 23:32:00,242 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 143 selfloop transitions, 68 changer transitions 63/274 dead transitions. [2024-10-24 23:32:00,243 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 274 transitions, 4769 flow [2024-10-24 23:32:00,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 23:32:00,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-10-24 23:32:00,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 196 transitions. [2024-10-24 23:32:00,244 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.27450980392156865 [2024-10-24 23:32:00,244 INFO L175 Difference]: Start difference. First operand has 307 places, 230 transitions, 3935 flow. Second operand 21 states and 196 transitions. [2024-10-24 23:32:00,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 274 transitions, 4769 flow [2024-10-24 23:32:00,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 274 transitions, 4438 flow, removed 20 selfloop flow, removed 29 redundant places. [2024-10-24 23:32:00,306 INFO L231 Difference]: Finished difference. Result has 292 places, 190 transitions, 3026 flow [2024-10-24 23:32:00,306 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3583, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=3026, PETRI_PLACES=292, PETRI_TRANSITIONS=190} [2024-10-24 23:32:00,307 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 257 predicate places. [2024-10-24 23:32:00,307 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 190 transitions, 3026 flow [2024-10-24 23:32:00,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:32:00,307 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:32:00,307 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:32:00,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-24 23:32:00,307 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:32:00,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:32:00,308 INFO L85 PathProgramCache]: Analyzing trace with hash -710199932, now seen corresponding path program 9 times [2024-10-24 23:32:00,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:32:00,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441957789] [2024-10-24 23:32:00,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:32:00,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:32:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:32:00,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:32:00,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:32:00,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441957789] [2024-10-24 23:32:00,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441957789] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:32:00,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:32:00,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:32:00,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611043624] [2024-10-24 23:32:00,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:32:00,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:32:00,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:32:00,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:32:00,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:32:00,707 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:32:00,707 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 190 transitions, 3026 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:32:00,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:32:00,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:32:00,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:32:01,192 INFO L124 PetriNetUnfolderBase]: 584/1215 cut-off events. [2024-10-24 23:32:01,192 INFO L125 PetriNetUnfolderBase]: For 7242/7242 co-relation queries the response was YES. [2024-10-24 23:32:01,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6691 conditions, 1215 events. 584/1215 cut-off events. For 7242/7242 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 7361 event pairs, 225 based on Foata normal form. 22/1237 useless extension candidates. Maximal degree in co-relation 6638. Up to 796 conditions per place. [2024-10-24 23:32:01,206 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 164 selfloop transitions, 47 changer transitions 11/222 dead transitions. [2024-10-24 23:32:01,206 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 222 transitions, 3504 flow [2024-10-24 23:32:01,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 23:32:01,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-10-24 23:32:01,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 158 transitions. [2024-10-24 23:32:01,207 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.29044117647058826 [2024-10-24 23:32:01,208 INFO L175 Difference]: Start difference. First operand has 292 places, 190 transitions, 3026 flow. Second operand 16 states and 158 transitions. [2024-10-24 23:32:01,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 222 transitions, 3504 flow [2024-10-24 23:32:01,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 222 transitions, 3113 flow, removed 11 selfloop flow, removed 37 redundant places. [2024-10-24 23:32:01,250 INFO L231 Difference]: Finished difference. Result has 255 places, 180 transitions, 2592 flow [2024-10-24 23:32:01,250 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2592, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2592, PETRI_PLACES=255, PETRI_TRANSITIONS=180} [2024-10-24 23:32:01,251 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 220 predicate places. [2024-10-24 23:32:01,251 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 180 transitions, 2592 flow [2024-10-24 23:32:01,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:32:01,251 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:32:01,251 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:32:01,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-24 23:32:01,251 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:32:01,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:32:01,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1986238755, now seen corresponding path program 3 times [2024-10-24 23:32:01,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:32:01,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038357008] [2024-10-24 23:32:01,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:32:01,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:32:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:32:01,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:32:01,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:32:01,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038357008] [2024-10-24 23:32:01,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038357008] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:32:01,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:32:01,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 23:32:01,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797506219] [2024-10-24 23:32:01,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:32:01,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 23:32:01,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:32:01,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 23:32:01,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-24 23:32:01,705 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:32:01,705 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 180 transitions, 2592 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:32:01,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:32:01,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:32:01,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:32:02,363 INFO L124 PetriNetUnfolderBase]: 538/1137 cut-off events. [2024-10-24 23:32:02,363 INFO L125 PetriNetUnfolderBase]: For 4122/4122 co-relation queries the response was YES. [2024-10-24 23:32:02,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6125 conditions, 1137 events. 538/1137 cut-off events. For 4122/4122 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 6848 event pairs, 179 based on Foata normal form. 48/1185 useless extension candidates. Maximal degree in co-relation 6085. Up to 414 conditions per place. [2024-10-24 23:32:02,371 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 96 selfloop transitions, 53 changer transitions 62/211 dead transitions. [2024-10-24 23:32:02,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 211 transitions, 3087 flow [2024-10-24 23:32:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-24 23:32:02,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-10-24 23:32:02,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 204 transitions. [2024-10-24 23:32:02,372 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.25 [2024-10-24 23:32:02,372 INFO L175 Difference]: Start difference. First operand has 255 places, 180 transitions, 2592 flow. Second operand 24 states and 204 transitions. [2024-10-24 23:32:02,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 211 transitions, 3087 flow [2024-10-24 23:32:02,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 211 transitions, 2789 flow, removed 8 selfloop flow, removed 22 redundant places. [2024-10-24 23:32:02,389 INFO L231 Difference]: Finished difference. Result has 255 places, 130 transitions, 1624 flow [2024-10-24 23:32:02,389 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2263, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=1624, PETRI_PLACES=255, PETRI_TRANSITIONS=130} [2024-10-24 23:32:02,390 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 220 predicate places. [2024-10-24 23:32:02,390 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 130 transitions, 1624 flow [2024-10-24 23:32:02,390 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) [2024-10-24 23:32:02,390 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:32:02,390 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:32:02,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-24 23:32:02,390 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:32:02,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:32:02,390 INFO L85 PathProgramCache]: Analyzing trace with hash 728782213, now seen corresponding path program 4 times [2024-10-24 23:32:02,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:32:02,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263132264] [2024-10-24 23:32:02,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:32:02,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:32:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:32:02,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:32:02,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:32:02,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263132264] [2024-10-24 23:32:02,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263132264] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:32:02,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:32:02,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:32:02,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255267528] [2024-10-24 23:32:02,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:32:02,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:32:02,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:32:02,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:32:02,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:32:02,808 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:32:02,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 130 transitions, 1624 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:32:02,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:32:02,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:32:02,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:32:03,264 INFO L124 PetriNetUnfolderBase]: 339/740 cut-off events. [2024-10-24 23:32:03,265 INFO L125 PetriNetUnfolderBase]: For 1804/1804 co-relation queries the response was YES. [2024-10-24 23:32:03,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3652 conditions, 740 events. 339/740 cut-off events. For 1804/1804 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3980 event pairs, 116 based on Foata normal form. 24/764 useless extension candidates. Maximal degree in co-relation 3618. Up to 414 conditions per place. [2024-10-24 23:32:03,269 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 67 selfloop transitions, 36 changer transitions 45/148 dead transitions. [2024-10-24 23:32:03,269 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 148 transitions, 1910 flow [2024-10-24 23:32:03,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 23:32:03,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-10-24 23:32:03,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 166 transitions. [2024-10-24 23:32:03,270 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.23249299719887956 [2024-10-24 23:32:03,270 INFO L175 Difference]: Start difference. First operand has 255 places, 130 transitions, 1624 flow. Second operand 21 states and 166 transitions. [2024-10-24 23:32:03,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 148 transitions, 1910 flow [2024-10-24 23:32:03,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 148 transitions, 1604 flow, removed 4 selfloop flow, removed 46 redundant places. [2024-10-24 23:32:03,280 INFO L231 Difference]: Finished difference. Result has 199 places, 93 transitions, 1080 flow [2024-10-24 23:32:03,280 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1252, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1080, PETRI_PLACES=199, PETRI_TRANSITIONS=93} [2024-10-24 23:32:03,281 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 164 predicate places. [2024-10-24 23:32:03,281 INFO L471 AbstractCegarLoop]: Abstraction has has 199 places, 93 transitions, 1080 flow [2024-10-24 23:32:03,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:32:03,281 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:32:03,281 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:32:03,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-24 23:32:03,281 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:32:03,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:32:03,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1340752818, now seen corresponding path program 1 times [2024-10-24 23:32:03,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:32:03,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870631436] [2024-10-24 23:32:03,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:32:03,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:32:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:32:03,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:32:03,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:32:03,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870631436] [2024-10-24 23:32:03,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870631436] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:32:03,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:32:03,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:32:03,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705916563] [2024-10-24 23:32:03,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:32:03,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:32:03,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:32:03,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:32:03,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:32:03,604 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:32:03,604 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 93 transitions, 1080 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:32:03,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:32:03,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:32:03,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:32:03,888 INFO L124 PetriNetUnfolderBase]: 244/551 cut-off events. [2024-10-24 23:32:03,888 INFO L125 PetriNetUnfolderBase]: For 862/862 co-relation queries the response was YES. [2024-10-24 23:32:03,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2644 conditions, 551 events. 244/551 cut-off events. For 862/862 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2779 event pairs, 138 based on Foata normal form. 6/557 useless extension candidates. Maximal degree in co-relation 2625. Up to 381 conditions per place. [2024-10-24 23:32:03,890 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 71 selfloop transitions, 27 changer transitions 22/120 dead transitions. [2024-10-24 23:32:03,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 120 transitions, 1419 flow [2024-10-24 23:32:03,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 23:32:03,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-10-24 23:32:03,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 119 transitions. [2024-10-24 23:32:03,891 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2692307692307692 [2024-10-24 23:32:03,891 INFO L175 Difference]: Start difference. First operand has 199 places, 93 transitions, 1080 flow. Second operand 13 states and 119 transitions. [2024-10-24 23:32:03,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 120 transitions, 1419 flow [2024-10-24 23:32:03,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 120 transitions, 1280 flow, removed 0 selfloop flow, removed 16 redundant places. [2024-10-24 23:32:03,895 INFO L231 Difference]: Finished difference. Result has 151 places, 83 transitions, 876 flow [2024-10-24 23:32:03,896 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=932, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=876, PETRI_PLACES=151, PETRI_TRANSITIONS=83} [2024-10-24 23:32:03,896 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 116 predicate places. [2024-10-24 23:32:03,896 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 83 transitions, 876 flow [2024-10-24 23:32:03,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:32:03,896 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:32:03,896 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:32:03,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-24 23:32:03,897 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:32:03,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:32:03,897 INFO L85 PathProgramCache]: Analyzing trace with hash 422805618, now seen corresponding path program 2 times [2024-10-24 23:32:03,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:32:03,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329482878] [2024-10-24 23:32:03,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:32:03,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:32:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:32:04,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:32:04,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:32:04,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329482878] [2024-10-24 23:32:04,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329482878] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:32:04,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:32:04,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:32:04,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680679611] [2024-10-24 23:32:04,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:32:04,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:32:04,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:32:04,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:32:04,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:32:04,216 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:32:04,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 83 transitions, 876 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:32:04,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:32:04,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:32:04,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:32:04,574 INFO L124 PetriNetUnfolderBase]: 212/483 cut-off events. [2024-10-24 23:32:04,574 INFO L125 PetriNetUnfolderBase]: For 427/427 co-relation queries the response was YES. [2024-10-24 23:32:04,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2159 conditions, 483 events. 212/483 cut-off events. For 427/427 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2313 event pairs, 85 based on Foata normal form. 6/489 useless extension candidates. Maximal degree in co-relation 2142. Up to 314 conditions per place. [2024-10-24 23:32:04,577 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 39 selfloop transitions, 44 changer transitions 21/104 dead transitions. [2024-10-24 23:32:04,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 104 transitions, 1119 flow [2024-10-24 23:32:04,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 23:32:04,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-10-24 23:32:04,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 132 transitions. [2024-10-24 23:32:04,578 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.22837370242214533 [2024-10-24 23:32:04,578 INFO L175 Difference]: Start difference. First operand has 151 places, 83 transitions, 876 flow. Second operand 17 states and 132 transitions. [2024-10-24 23:32:04,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 104 transitions, 1119 flow [2024-10-24 23:32:04,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 104 transitions, 1003 flow, removed 1 selfloop flow, removed 17 redundant places. [2024-10-24 23:32:04,582 INFO L231 Difference]: Finished difference. Result has 142 places, 76 transitions, 783 flow [2024-10-24 23:32:04,582 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=783, PETRI_PLACES=142, PETRI_TRANSITIONS=76} [2024-10-24 23:32:04,583 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 107 predicate places. [2024-10-24 23:32:04,583 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 76 transitions, 783 flow [2024-10-24 23:32:04,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:32:04,583 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:32:04,583 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:32:04,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-24 23:32:04,583 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:32:04,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:32:04,584 INFO L85 PathProgramCache]: Analyzing trace with hash 536997132, now seen corresponding path program 3 times [2024-10-24 23:32:04,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:32:04,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039017458] [2024-10-24 23:32:04,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:32:04,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:32:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:32:04,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:32:04,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:32:04,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039017458] [2024-10-24 23:32:04,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039017458] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:32:04,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:32:04,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:32:04,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546561162] [2024-10-24 23:32:04,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:32:04,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:32:04,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:32:04,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:32:04,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:32:04,911 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:32:04,912 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 76 transitions, 783 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:32:04,912 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:32:04,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:32:04,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:32:05,224 INFO L124 PetriNetUnfolderBase]: 185/420 cut-off events. [2024-10-24 23:32:05,225 INFO L125 PetriNetUnfolderBase]: For 342/342 co-relation queries the response was YES. [2024-10-24 23:32:05,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1891 conditions, 420 events. 185/420 cut-off events. For 342/342 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1917 event pairs, 94 based on Foata normal form. 6/424 useless extension candidates. Maximal degree in co-relation 1875. Up to 244 conditions per place. [2024-10-24 23:32:05,227 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 53 selfloop transitions, 22 changer transitions 27/102 dead transitions. [2024-10-24 23:32:05,227 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 102 transitions, 1036 flow [2024-10-24 23:32:05,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 23:32:05,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-24 23:32:05,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 133 transitions. [2024-10-24 23:32:05,228 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2607843137254902 [2024-10-24 23:32:05,228 INFO L175 Difference]: Start difference. First operand has 142 places, 76 transitions, 783 flow. Second operand 15 states and 133 transitions. [2024-10-24 23:32:05,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 102 transitions, 1036 flow [2024-10-24 23:32:05,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 102 transitions, 941 flow, removed 0 selfloop flow, removed 12 redundant places. [2024-10-24 23:32:05,231 INFO L231 Difference]: Finished difference. Result has 130 places, 59 transitions, 552 flow [2024-10-24 23:32:05,231 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=675, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=552, PETRI_PLACES=130, PETRI_TRANSITIONS=59} [2024-10-24 23:32:05,231 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 95 predicate places. [2024-10-24 23:32:05,231 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 59 transitions, 552 flow [2024-10-24 23:32:05,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:32:05,232 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:32:05,232 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:32:05,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-24 23:32:05,232 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:32:05,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:32:05,232 INFO L85 PathProgramCache]: Analyzing trace with hash -380950068, now seen corresponding path program 4 times [2024-10-24 23:32:05,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:32:05,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548161576] [2024-10-24 23:32:05,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:32:05,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:32:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:32:05,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:32:05,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:32:05,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548161576] [2024-10-24 23:32:05,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548161576] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:32:05,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:32:05,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:32:05,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876774452] [2024-10-24 23:32:05,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:32:05,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:32:05,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:32:05,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:32:05,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:32:05,565 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:32:05,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 59 transitions, 552 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:32:05,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:32:05,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:32:05,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:32:05,859 INFO L124 PetriNetUnfolderBase]: 147/342 cut-off events. [2024-10-24 23:32:05,860 INFO L125 PetriNetUnfolderBase]: For 259/259 co-relation queries the response was YES. [2024-10-24 23:32:05,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1445 conditions, 342 events. 147/342 cut-off events. For 259/259 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1467 event pairs, 56 based on Foata normal form. 6/348 useless extension candidates. Maximal degree in co-relation 1429. Up to 206 conditions per place. [2024-10-24 23:32:05,861 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 28 selfloop transitions, 18 changer transitions 35/81 dead transitions. [2024-10-24 23:32:05,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 81 transitions, 754 flow [2024-10-24 23:32:05,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 23:32:05,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-10-24 23:32:05,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 135 transitions. [2024-10-24 23:32:05,862 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.23356401384083045 [2024-10-24 23:32:05,862 INFO L175 Difference]: Start difference. First operand has 130 places, 59 transitions, 552 flow. Second operand 17 states and 135 transitions. [2024-10-24 23:32:05,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 81 transitions, 754 flow [2024-10-24 23:32:05,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 81 transitions, 681 flow, removed 1 selfloop flow, removed 13 redundant places. [2024-10-24 23:32:05,864 INFO L231 Difference]: Finished difference. Result has 116 places, 41 transitions, 370 flow [2024-10-24 23:32:05,864 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=370, PETRI_PLACES=116, PETRI_TRANSITIONS=41} [2024-10-24 23:32:05,865 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 81 predicate places. [2024-10-24 23:32:05,865 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 41 transitions, 370 flow [2024-10-24 23:32:05,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:32:05,865 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:32:05,865 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:32:05,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-24 23:32:05,865 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:32:05,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:32:05,865 INFO L85 PathProgramCache]: Analyzing trace with hash 156956044, now seen corresponding path program 5 times [2024-10-24 23:32:05,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:32:05,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203152] [2024-10-24 23:32:05,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:32:05,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:32:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:32:06,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:32:06,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:32:06,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203152] [2024-10-24 23:32:06,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203152] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:32:06,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:32:06,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:32:06,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156707014] [2024-10-24 23:32:06,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:32:06,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:32:06,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:32:06,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:32:06,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:32:06,196 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:32:06,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 41 transitions, 370 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:32:06,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:32:06,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:32:06,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:32:06,509 INFO L124 PetriNetUnfolderBase]: 102/237 cut-off events. [2024-10-24 23:32:06,509 INFO L125 PetriNetUnfolderBase]: For 203/203 co-relation queries the response was YES. [2024-10-24 23:32:06,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 951 conditions, 237 events. 102/237 cut-off events. For 203/203 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 924 event pairs, 0 based on Foata normal form. 12/249 useless extension candidates. Maximal degree in co-relation 937. Up to 96 conditions per place. [2024-10-24 23:32:06,510 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 22 selfloop transitions, 15 changer transitions 23/60 dead transitions. [2024-10-24 23:32:06,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 60 transitions, 524 flow [2024-10-24 23:32:06,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 23:32:06,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-10-24 23:32:06,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 117 transitions. [2024-10-24 23:32:06,511 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.21507352941176472 [2024-10-24 23:32:06,511 INFO L175 Difference]: Start difference. First operand has 116 places, 41 transitions, 370 flow. Second operand 16 states and 117 transitions. [2024-10-24 23:32:06,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 60 transitions, 524 flow [2024-10-24 23:32:06,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 60 transitions, 456 flow, removed 1 selfloop flow, removed 17 redundant places. [2024-10-24 23:32:06,512 INFO L231 Difference]: Finished difference. Result has 90 places, 28 transitions, 191 flow [2024-10-24 23:32:06,512 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=291, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=191, PETRI_PLACES=90, PETRI_TRANSITIONS=28} [2024-10-24 23:32:06,513 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 55 predicate places. [2024-10-24 23:32:06,513 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 28 transitions, 191 flow [2024-10-24 23:32:06,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:32:06,513 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:32:06,514 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:32:06,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-24 23:32:06,514 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-24 23:32:06,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:32:06,514 INFO L85 PathProgramCache]: Analyzing trace with hash -760991156, now seen corresponding path program 6 times [2024-10-24 23:32:06,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:32:06,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266194120] [2024-10-24 23:32:06,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:32:06,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:32:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:32:06,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:32:06,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:32:06,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266194120] [2024-10-24 23:32:06,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266194120] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:32:06,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:32:06,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 23:32:06,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987233288] [2024-10-24 23:32:06,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:32:06,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:32:06,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:32:06,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:32:06,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:32:06,823 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-10-24 23:32:06,823 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 28 transitions, 191 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:32:06,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:32:06,823 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-10-24 23:32:06,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:32:07,024 INFO L124 PetriNetUnfolderBase]: 50/125 cut-off events. [2024-10-24 23:32:07,024 INFO L125 PetriNetUnfolderBase]: For 84/84 co-relation queries the response was YES. [2024-10-24 23:32:07,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 448 conditions, 125 events. 50/125 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 375 event pairs, 0 based on Foata normal form. 12/137 useless extension candidates. Maximal degree in co-relation 437. Up to 48 conditions per place. [2024-10-24 23:32:07,025 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 0 selfloop transitions, 0 changer transitions 40/40 dead transitions. [2024-10-24 23:32:07,025 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 40 transitions, 288 flow [2024-10-24 23:32:07,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 23:32:07,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-10-24 23:32:07,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 90 transitions. [2024-10-24 23:32:07,026 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.20361990950226244 [2024-10-24 23:32:07,026 INFO L175 Difference]: Start difference. First operand has 90 places, 28 transitions, 191 flow. Second operand 13 states and 90 transitions. [2024-10-24 23:32:07,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 40 transitions, 288 flow [2024-10-24 23:32:07,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 40 transitions, 228 flow, removed 1 selfloop flow, removed 18 redundant places. [2024-10-24 23:32:07,027 INFO L231 Difference]: Finished difference. Result has 64 places, 0 transitions, 0 flow [2024-10-24 23:32:07,027 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=64, PETRI_TRANSITIONS=0} [2024-10-24 23:32:07,027 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 29 predicate places. [2024-10-24 23:32:07,027 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 0 transitions, 0 flow [2024-10-24 23:32:07,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:32:07,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-10-24 23:32:07,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-10-24 23:32:07,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-24 23:32:07,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-24 23:32:07,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-24 23:32:07,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-24 23:32:07,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-24 23:32:07,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-24 23:32:07,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-24 23:32:07,031 INFO L407 BasicCegarLoop]: Path program histogram: [9, 6, 4, 4, 4, 4, 3, 3, 1, 1, 1] [2024-10-24 23:32:07,036 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 23:32:07,036 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 23:32:07,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:32:07 BasicIcfg [2024-10-24 23:32:07,042 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 23:32:07,043 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 23:32:07,043 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 23:32:07,043 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 23:32:07,044 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:31:09" (3/4) ... [2024-10-24 23:32:07,046 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 23:32:07,049 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-10-24 23:32:07,056 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2024-10-24 23:32:07,056 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2024-10-24 23:32:07,056 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-10-24 23:32:07,057 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 23:32:07,151 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 23:32:07,152 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 23:32:07,152 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 23:32:07,153 INFO L158 Benchmark]: Toolchain (without parser) took 58819.72ms. Allocated memory was 176.2MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 99.5MB in the beginning and 1.1GB in the end (delta: -977.8MB). Peak memory consumption was 390.6MB. Max. memory is 16.1GB. [2024-10-24 23:32:07,153 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 176.2MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 23:32:07,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 699.58ms. Allocated memory was 176.2MB in the beginning and 213.9MB in the end (delta: 37.7MB). Free memory was 99.3MB in the beginning and 160.2MB in the end (delta: -60.9MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-10-24 23:32:07,153 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.16ms. Allocated memory is still 213.9MB. Free memory was 160.2MB in the beginning and 157.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 23:32:07,154 INFO L158 Benchmark]: Boogie Preprocessor took 66.06ms. Allocated memory is still 213.9MB. Free memory was 157.0MB in the beginning and 153.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 23:32:07,154 INFO L158 Benchmark]: RCFGBuilder took 830.22ms. Allocated memory is still 213.9MB. Free memory was 152.8MB in the beginning and 107.8MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-10-24 23:32:07,154 INFO L158 Benchmark]: TraceAbstraction took 57040.69ms. Allocated memory was 213.9MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 107.8MB in the beginning and 1.1GB in the end (delta: -974.8MB). Peak memory consumption was 351.7MB. Max. memory is 16.1GB. [2024-10-24 23:32:07,155 INFO L158 Benchmark]: Witness Printer took 109.15ms. Allocated memory is still 1.5GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-24 23:32:07,157 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 176.2MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 699.58ms. Allocated memory was 176.2MB in the beginning and 213.9MB in the end (delta: 37.7MB). Free memory was 99.3MB in the beginning and 160.2MB in the end (delta: -60.9MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.16ms. Allocated memory is still 213.9MB. Free memory was 160.2MB in the beginning and 157.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.06ms. Allocated memory is still 213.9MB. Free memory was 157.0MB in the beginning and 153.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 830.22ms. Allocated memory is still 213.9MB. Free memory was 152.8MB in the beginning and 107.8MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 57040.69ms. Allocated memory was 213.9MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 107.8MB in the beginning and 1.1GB in the end (delta: -974.8MB). Peak memory consumption was 351.7MB. Max. memory is 16.1GB. * Witness Printer took 109.15ms. Allocated memory is still 1.5GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 5.2MB). 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: 56.9s, OverallIterations: 40, TraceHistogramMax: 1, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.0s, AutomataDifference: 39.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3286 SdHoareTripleChecker+Valid, 11.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3285 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 9.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 420 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14861 IncrementalHoareTripleChecker+Invalid, 15281 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 420 mSolverCounterUnsat, 1 mSDtfsCounter, 14861 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 844 GetRequests, 92 SyntacticMatches, 7 SemanticMatches, 745 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2648 ImplicationChecksByTransitivity, 9.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7319occurred in iteration=16, InterpolantAutomatonStates: 707, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 16.3s InterpolantComputationTime, 542 NumberOfCodeBlocks, 542 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 502 ConstructedInterpolants, 0 QuantifiedInterpolants, 5502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 40 InterpolantComputations, 40 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 23:32:07,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE