./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 75716fdd637a22328d600b3257cf24f40a7920b464397c315485c5ed90fb6ece --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:54:33,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:54:34,063 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:54:34,072 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:54:34,073 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:54:34,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:54:34,104 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:54:34,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:54:34,105 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:54:34,106 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:54:34,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:54:34,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:54:34,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:54:34,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:54:34,110 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:54:34,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:54:34,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:54:34,111 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:54:34,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:54:34,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:54:34,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:54:34,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:54:34,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:54:34,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:54:34,114 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:54:34,115 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:54:34,115 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:54:34,115 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:54:34,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:54:34,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:54:34,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:54:34,116 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:54:34,117 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:54:34,117 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:54:34,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:54:34,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:54:34,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:54:34,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:54:34,118 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:54:34,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:54:34,118 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:54:34,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:54:34,119 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:54:34,119 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:54:34,119 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75716fdd637a22328d600b3257cf24f40a7920b464397c315485c5ed90fb6ece [2024-11-19 13:54:34,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:54:34,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:54:34,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:54:34,444 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:54:34,445 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:54:34,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2024-11-19 13:54:35,858 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:54:36,191 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:54:36,192 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2024-11-19 13:54:36,229 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dee8549c6/c419e6fc28344acbae16a310e4582575/FLAGf1b46f53f [2024-11-19 13:54:36,244 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dee8549c6/c419e6fc28344acbae16a310e4582575 [2024-11-19 13:54:36,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:54:36,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:54:36,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:54:36,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:54:36,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:54:36,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:54:36" (1/1) ... [2024-11-19 13:54:36,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c567169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:36, skipping insertion in model container [2024-11-19 13:54:36,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:54:36" (1/1) ... [2024-11-19 13:54:36,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:54:36,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:54:36,839 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:54:36,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:54:36,949 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:54:36,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:36 WrapperNode [2024-11-19 13:54:36,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:54:36,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:54:36,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:54:36,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:54:36,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:36" (1/1) ... [2024-11-19 13:54:36,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:36" (1/1) ... [2024-11-19 13:54:37,024 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 145 [2024-11-19 13:54:37,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:54:37,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:54:37,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:54:37,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:54:37,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:36" (1/1) ... [2024-11-19 13:54:37,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:36" (1/1) ... [2024-11-19 13:54:37,047 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:36" (1/1) ... [2024-11-19 13:54:37,071 INFO L175 MemorySlicer]: Split 17 memory accesses to 3 slices as follows [2, 2, 13]. 76 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 2, 6]. [2024-11-19 13:54:37,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:36" (1/1) ... [2024-11-19 13:54:37,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:36" (1/1) ... [2024-11-19 13:54:37,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:36" (1/1) ... [2024-11-19 13:54:37,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:36" (1/1) ... [2024-11-19 13:54:37,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:36" (1/1) ... [2024-11-19 13:54:37,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:36" (1/1) ... [2024-11-19 13:54:37,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:54:37,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:54:37,107 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:54:37,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:54:37,108 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:36" (1/1) ... [2024-11-19 13:54:37,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:54:37,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:54:37,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:54:37,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:54:37,230 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-19 13:54:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-19 13:54:37,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 13:54:37,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 13:54:37,235 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 13:54:37,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 13:54:37,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 13:54:37,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 13:54:37,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 13:54:37,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 13:54:37,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 13:54:37,236 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 13:54:37,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:54:37,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 13:54:37,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 13:54:37,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 13:54:37,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:54:37,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 13:54:37,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 13:54:37,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:54:37,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:54:37,245 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 13:54:37,574 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:54:37,577 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:54:37,863 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 13:54:37,863 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:54:38,069 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:54:38,070 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:54:38,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:54:38 BoogieIcfgContainer [2024-11-19 13:54:38,070 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:54:38,073 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:54:38,073 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:54:38,077 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:54:38,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:54:36" (1/3) ... [2024-11-19 13:54:38,078 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63cf07c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:54:38, skipping insertion in model container [2024-11-19 13:54:38,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:36" (2/3) ... [2024-11-19 13:54:38,078 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63cf07c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:54:38, skipping insertion in model container [2024-11-19 13:54:38,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:54:38" (3/3) ... [2024-11-19 13:54:38,081 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2024-11-19 13:54:38,096 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:54:38,097 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:54:38,097 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 13:54:38,157 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-19 13:54:38,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 38 transitions, 90 flow [2024-11-19 13:54:38,229 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2024-11-19 13:54:38,230 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 13:54:38,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 41 events. 2/41 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 79 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 23. Up to 3 conditions per place. [2024-11-19 13:54:38,232 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 38 transitions, 90 flow [2024-11-19 13:54:38,236 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 32 transitions, 73 flow [2024-11-19 13:54:38,249 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:54:38,257 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;@11c36441, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:54:38,258 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-19 13:54:38,265 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 13:54:38,266 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-11-19 13:54:38,266 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 13:54:38,266 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:38,267 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:38,268 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:38,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:38,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1371065065, now seen corresponding path program 1 times [2024-11-19 13:54:38,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:38,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796286318] [2024-11-19 13:54:38,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:38,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:39,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:39,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:39,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796286318] [2024-11-19 13:54:39,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796286318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:39,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:39,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 13:54:39,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188487433] [2024-11-19 13:54:39,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:39,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:54:39,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:39,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:54:39,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:54:39,256 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-19 13:54:39,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 32 transitions, 73 flow. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 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) [2024-11-19 13:54:39,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:39,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-19 13:54:39,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:39,801 INFO L124 PetriNetUnfolderBase]: 621/1208 cut-off events. [2024-11-19 13:54:39,801 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-19 13:54:39,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2271 conditions, 1208 events. 621/1208 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 6838 event pairs, 193 based on Foata normal form. 44/1176 useless extension candidates. Maximal degree in co-relation 2198. Up to 862 conditions per place. [2024-11-19 13:54:39,821 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 58 selfloop transitions, 18 changer transitions 3/84 dead transitions. [2024-11-19 13:54:39,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 84 transitions, 344 flow [2024-11-19 13:54:39,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 13:54:39,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-19 13:54:39,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 155 transitions. [2024-11-19 13:54:39,837 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45321637426900585 [2024-11-19 13:54:39,839 INFO L175 Difference]: Start difference. First operand has 39 places, 32 transitions, 73 flow. Second operand 9 states and 155 transitions. [2024-11-19 13:54:39,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 84 transitions, 344 flow [2024-11-19 13:54:39,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 84 transitions, 336 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 13:54:39,851 INFO L231 Difference]: Finished difference. Result has 48 places, 50 transitions, 182 flow [2024-11-19 13:54:39,854 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=182, PETRI_PLACES=48, PETRI_TRANSITIONS=50} [2024-11-19 13:54:39,861 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 9 predicate places. [2024-11-19 13:54:39,862 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 50 transitions, 182 flow [2024-11-19 13:54:39,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 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) [2024-11-19 13:54:39,862 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:39,862 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:39,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:54:39,863 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:39,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:39,864 INFO L85 PathProgramCache]: Analyzing trace with hash 625871757, now seen corresponding path program 1 times [2024-11-19 13:54:39,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:39,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85585886] [2024-11-19 13:54:39,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:39,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:40,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:40,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:40,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85585886] [2024-11-19 13:54:40,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85585886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:40,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:40,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 13:54:40,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602716897] [2024-11-19 13:54:40,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:40,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:54:40,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:40,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:54:40,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:54:40,252 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-19 13:54:40,253 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 50 transitions, 182 flow. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:40,253 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:40,253 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-19 13:54:40,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:40,654 INFO L124 PetriNetUnfolderBase]: 672/1238 cut-off events. [2024-11-19 13:54:40,655 INFO L125 PetriNetUnfolderBase]: For 466/466 co-relation queries the response was YES. [2024-11-19 13:54:40,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2972 conditions, 1238 events. 672/1238 cut-off events. For 466/466 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 6664 event pairs, 319 based on Foata normal form. 44/1248 useless extension candidates. Maximal degree in co-relation 2499. Up to 951 conditions per place. [2024-11-19 13:54:40,663 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 60 selfloop transitions, 24 changer transitions 5/94 dead transitions. [2024-11-19 13:54:40,664 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 94 transitions, 496 flow [2024-11-19 13:54:40,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 13:54:40,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-19 13:54:40,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 153 transitions. [2024-11-19 13:54:40,667 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4473684210526316 [2024-11-19 13:54:40,667 INFO L175 Difference]: Start difference. First operand has 48 places, 50 transitions, 182 flow. Second operand 9 states and 153 transitions. [2024-11-19 13:54:40,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 94 transitions, 496 flow [2024-11-19 13:54:40,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 94 transitions, 494 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 13:54:40,673 INFO L231 Difference]: Finished difference. Result has 57 places, 62 transitions, 299 flow [2024-11-19 13:54:40,673 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=299, PETRI_PLACES=57, PETRI_TRANSITIONS=62} [2024-11-19 13:54:40,674 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 18 predicate places. [2024-11-19 13:54:40,674 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 62 transitions, 299 flow [2024-11-19 13:54:40,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:40,675 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:40,675 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:40,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 13:54:40,676 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:40,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:40,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1799878917, now seen corresponding path program 1 times [2024-11-19 13:54:40,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:40,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515734933] [2024-11-19 13:54:40,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:40,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:41,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:41,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:41,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515734933] [2024-11-19 13:54:41,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515734933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:41,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:41,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:54:41,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408968514] [2024-11-19 13:54:41,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:41,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:54:41,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:41,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:54:41,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:54:41,212 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-19 13:54:41,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 62 transitions, 299 flow. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:41,213 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:41,213 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-19 13:54:41,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:41,848 INFO L124 PetriNetUnfolderBase]: 728/1329 cut-off events. [2024-11-19 13:54:41,849 INFO L125 PetriNetUnfolderBase]: For 1096/1096 co-relation queries the response was YES. [2024-11-19 13:54:41,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3679 conditions, 1329 events. 728/1329 cut-off events. For 1096/1096 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 7237 event pairs, 234 based on Foata normal form. 52/1381 useless extension candidates. Maximal degree in co-relation 3575. Up to 1039 conditions per place. [2024-11-19 13:54:41,859 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 60 selfloop transitions, 26 changer transitions 18/109 dead transitions. [2024-11-19 13:54:41,859 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 109 transitions, 657 flow [2024-11-19 13:54:41,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 13:54:41,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-19 13:54:41,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 183 transitions. [2024-11-19 13:54:41,861 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.43779904306220097 [2024-11-19 13:54:41,861 INFO L175 Difference]: Start difference. First operand has 57 places, 62 transitions, 299 flow. Second operand 11 states and 183 transitions. [2024-11-19 13:54:41,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 109 transitions, 657 flow [2024-11-19 13:54:41,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 109 transitions, 655 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 13:54:41,872 INFO L231 Difference]: Finished difference. Result has 69 places, 65 transitions, 390 flow [2024-11-19 13:54:41,872 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=390, PETRI_PLACES=69, PETRI_TRANSITIONS=65} [2024-11-19 13:54:41,873 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 30 predicate places. [2024-11-19 13:54:41,874 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 65 transitions, 390 flow [2024-11-19 13:54:41,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:41,874 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:41,874 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:41,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 13:54:41,875 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:41,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:41,875 INFO L85 PathProgramCache]: Analyzing trace with hash 899651241, now seen corresponding path program 2 times [2024-11-19 13:54:41,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:41,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317477077] [2024-11-19 13:54:41,876 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:41,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:41,908 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:41,908 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:42,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:42,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:42,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317477077] [2024-11-19 13:54:42,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317477077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:42,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:42,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:54:42,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528546692] [2024-11-19 13:54:42,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:42,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:54:42,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:42,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:54:42,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:54:42,370 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-19 13:54:42,370 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 65 transitions, 390 flow. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:42,370 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:42,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-19 13:54:42,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:43,030 INFO L124 PetriNetUnfolderBase]: 796/1474 cut-off events. [2024-11-19 13:54:43,030 INFO L125 PetriNetUnfolderBase]: For 2714/2714 co-relation queries the response was YES. [2024-11-19 13:54:43,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4598 conditions, 1474 events. 796/1474 cut-off events. For 2714/2714 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 8270 event pairs, 309 based on Foata normal form. 52/1526 useless extension candidates. Maximal degree in co-relation 3666. Up to 1023 conditions per place. [2024-11-19 13:54:43,047 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 75 selfloop transitions, 39 changer transitions 12/131 dead transitions. [2024-11-19 13:54:43,047 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 131 transitions, 932 flow [2024-11-19 13:54:43,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 13:54:43,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 13:54:43,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 212 transitions. [2024-11-19 13:54:43,050 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4291497975708502 [2024-11-19 13:54:43,050 INFO L175 Difference]: Start difference. First operand has 69 places, 65 transitions, 390 flow. Second operand 13 states and 212 transitions. [2024-11-19 13:54:43,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 131 transitions, 932 flow [2024-11-19 13:54:43,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 131 transitions, 848 flow, removed 6 selfloop flow, removed 8 redundant places. [2024-11-19 13:54:43,064 INFO L231 Difference]: Finished difference. Result has 77 places, 81 transitions, 588 flow [2024-11-19 13:54:43,064 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=588, PETRI_PLACES=77, PETRI_TRANSITIONS=81} [2024-11-19 13:54:43,065 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 38 predicate places. [2024-11-19 13:54:43,065 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 81 transitions, 588 flow [2024-11-19 13:54:43,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:43,065 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:43,065 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:43,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:54:43,066 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:43,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:43,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1789759587, now seen corresponding path program 3 times [2024-11-19 13:54:43,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:43,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206397701] [2024-11-19 13:54:43,067 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:54:43,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:43,091 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:54:43,091 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:43,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:43,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:43,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206397701] [2024-11-19 13:54:43,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206397701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:43,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:43,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:54:43,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458958518] [2024-11-19 13:54:43,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:43,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:54:43,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:43,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:54:43,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:54:43,483 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-19 13:54:43,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 81 transitions, 588 flow. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:43,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:43,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-19 13:54:43,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:44,138 INFO L124 PetriNetUnfolderBase]: 780/1420 cut-off events. [2024-11-19 13:54:44,139 INFO L125 PetriNetUnfolderBase]: For 3745/3745 co-relation queries the response was YES. [2024-11-19 13:54:44,143 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4907 conditions, 1420 events. 780/1420 cut-off events. For 3745/3745 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 7687 event pairs, 224 based on Foata normal form. 52/1472 useless extension candidates. Maximal degree in co-relation 4785. Up to 1011 conditions per place. [2024-11-19 13:54:44,149 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 78 selfloop transitions, 42 changer transitions 17/142 dead transitions. [2024-11-19 13:54:44,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 142 transitions, 1122 flow [2024-11-19 13:54:44,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 13:54:44,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-19 13:54:44,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 205 transitions. [2024-11-19 13:54:44,152 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44956140350877194 [2024-11-19 13:54:44,152 INFO L175 Difference]: Start difference. First operand has 77 places, 81 transitions, 588 flow. Second operand 12 states and 205 transitions. [2024-11-19 13:54:44,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 142 transitions, 1122 flow [2024-11-19 13:54:44,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 142 transitions, 1037 flow, removed 14 selfloop flow, removed 7 redundant places. [2024-11-19 13:54:44,167 INFO L231 Difference]: Finished difference. Result has 85 places, 88 transitions, 717 flow [2024-11-19 13:54:44,169 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=522, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=717, PETRI_PLACES=85, PETRI_TRANSITIONS=88} [2024-11-19 13:54:44,170 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 46 predicate places. [2024-11-19 13:54:44,170 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 88 transitions, 717 flow [2024-11-19 13:54:44,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:44,170 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:44,170 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:44,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 13:54:44,171 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:44,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:44,171 INFO L85 PathProgramCache]: Analyzing trace with hash 546323968, now seen corresponding path program 1 times [2024-11-19 13:54:44,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:44,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071383053] [2024-11-19 13:54:44,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:44,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:44,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:44,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:44,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071383053] [2024-11-19 13:54:44,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071383053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:44,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:44,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:54:44,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325316581] [2024-11-19 13:54:44,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:44,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:54:44,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:44,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:54:44,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:54:44,600 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-19 13:54:44,601 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 88 transitions, 717 flow. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:44,601 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:44,601 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-19 13:54:44,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:45,195 INFO L124 PetriNetUnfolderBase]: 759/1422 cut-off events. [2024-11-19 13:54:45,196 INFO L125 PetriNetUnfolderBase]: For 4142/4169 co-relation queries the response was YES. [2024-11-19 13:54:45,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5138 conditions, 1422 events. 759/1422 cut-off events. For 4142/4169 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 8006 event pairs, 247 based on Foata normal form. 48/1470 useless extension candidates. Maximal degree in co-relation 5005. Up to 1000 conditions per place. [2024-11-19 13:54:45,209 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 75 selfloop transitions, 42 changer transitions 12/134 dead transitions. [2024-11-19 13:54:45,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 134 transitions, 1125 flow [2024-11-19 13:54:45,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 13:54:45,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 13:54:45,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 212 transitions. [2024-11-19 13:54:45,211 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4291497975708502 [2024-11-19 13:54:45,211 INFO L175 Difference]: Start difference. First operand has 85 places, 88 transitions, 717 flow. Second operand 13 states and 212 transitions. [2024-11-19 13:54:45,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 134 transitions, 1125 flow [2024-11-19 13:54:45,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 134 transitions, 1076 flow, removed 10 selfloop flow, removed 5 redundant places. [2024-11-19 13:54:45,228 INFO L231 Difference]: Finished difference. Result has 94 places, 85 transitions, 750 flow [2024-11-19 13:54:45,228 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=671, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=750, PETRI_PLACES=94, PETRI_TRANSITIONS=85} [2024-11-19 13:54:45,229 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 55 predicate places. [2024-11-19 13:54:45,229 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 85 transitions, 750 flow [2024-11-19 13:54:45,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:45,251 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:45,252 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:45,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 13:54:45,252 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:45,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:45,253 INFO L85 PathProgramCache]: Analyzing trace with hash 899642880, now seen corresponding path program 2 times [2024-11-19 13:54:45,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:45,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128830202] [2024-11-19 13:54:45,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:45,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:45,280 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:45,280 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:45,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:45,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:45,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128830202] [2024-11-19 13:54:45,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128830202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:45,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:45,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:54:45,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530688446] [2024-11-19 13:54:45,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:45,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:54:45,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:45,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:54:45,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:54:45,725 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-19 13:54:45,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 85 transitions, 750 flow. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:45,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:45,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-19 13:54:45,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:46,288 INFO L124 PetriNetUnfolderBase]: 768/1446 cut-off events. [2024-11-19 13:54:46,289 INFO L125 PetriNetUnfolderBase]: For 5195/5226 co-relation queries the response was YES. [2024-11-19 13:54:46,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5498 conditions, 1446 events. 768/1446 cut-off events. For 5195/5226 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 8142 event pairs, 301 based on Foata normal form. 48/1494 useless extension candidates. Maximal degree in co-relation 4337. Up to 1019 conditions per place. [2024-11-19 13:54:46,303 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 73 selfloop transitions, 40 changer transitions 13/131 dead transitions. [2024-11-19 13:54:46,304 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 131 transitions, 1178 flow [2024-11-19 13:54:46,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 13:54:46,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-19 13:54:46,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 198 transitions. [2024-11-19 13:54:46,305 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4342105263157895 [2024-11-19 13:54:46,305 INFO L175 Difference]: Start difference. First operand has 94 places, 85 transitions, 750 flow. Second operand 12 states and 198 transitions. [2024-11-19 13:54:46,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 131 transitions, 1178 flow [2024-11-19 13:54:46,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 131 transitions, 1044 flow, removed 5 selfloop flow, removed 15 redundant places. [2024-11-19 13:54:46,325 INFO L231 Difference]: Finished difference. Result has 92 places, 85 transitions, 720 flow [2024-11-19 13:54:46,325 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=619, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=720, PETRI_PLACES=92, PETRI_TRANSITIONS=85} [2024-11-19 13:54:46,326 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 53 predicate places. [2024-11-19 13:54:46,327 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 85 transitions, 720 flow [2024-11-19 13:54:46,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:46,327 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:46,327 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:46,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 13:54:46,328 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:46,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:46,328 INFO L85 PathProgramCache]: Analyzing trace with hash -578233808, now seen corresponding path program 1 times [2024-11-19 13:54:46,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:46,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480977683] [2024-11-19 13:54:46,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:46,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:46,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:46,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:46,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480977683] [2024-11-19 13:54:46,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480977683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:46,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:46,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:54:46,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486638212] [2024-11-19 13:54:46,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:46,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:54:46,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:46,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:54:46,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:54:46,406 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2024-11-19 13:54:46,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 85 transitions, 720 flow. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:46,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:46,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2024-11-19 13:54:46,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:46,568 INFO L124 PetriNetUnfolderBase]: 365/703 cut-off events. [2024-11-19 13:54:46,568 INFO L125 PetriNetUnfolderBase]: For 1975/2060 co-relation queries the response was YES. [2024-11-19 13:54:46,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2506 conditions, 703 events. 365/703 cut-off events. For 1975/2060 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3358 event pairs, 61 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 2446. Up to 346 conditions per place. [2024-11-19 13:54:46,573 INFO L140 encePairwiseOnDemand]: 35/38 looper letters, 99 selfloop transitions, 7 changer transitions 6/118 dead transitions. [2024-11-19 13:54:46,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 118 transitions, 1160 flow [2024-11-19 13:54:46,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:54:46,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 13:54:46,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2024-11-19 13:54:46,575 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5526315789473685 [2024-11-19 13:54:46,575 INFO L175 Difference]: Start difference. First operand has 92 places, 85 transitions, 720 flow. Second operand 4 states and 84 transitions. [2024-11-19 13:54:46,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 118 transitions, 1160 flow [2024-11-19 13:54:46,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 118 transitions, 977 flow, removed 25 selfloop flow, removed 15 redundant places. [2024-11-19 13:54:46,583 INFO L231 Difference]: Finished difference. Result has 72 places, 62 transitions, 418 flow [2024-11-19 13:54:46,584 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=418, PETRI_PLACES=72, PETRI_TRANSITIONS=62} [2024-11-19 13:54:46,584 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 33 predicate places. [2024-11-19 13:54:46,584 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 62 transitions, 418 flow [2024-11-19 13:54:46,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:46,585 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:46,585 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:46,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 13:54:46,585 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:46,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:46,586 INFO L85 PathProgramCache]: Analyzing trace with hash -665345599, now seen corresponding path program 1 times [2024-11-19 13:54:46,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:46,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104400340] [2024-11-19 13:54:46,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:46,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:47,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:47,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:47,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104400340] [2024-11-19 13:54:47,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104400340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:47,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:47,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:54:47,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291577695] [2024-11-19 13:54:47,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:47,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:54:47,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:47,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:54:47,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:54:47,087 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 38 [2024-11-19 13:54:47,088 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 62 transitions, 418 flow. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:47,088 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:47,088 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 38 [2024-11-19 13:54:47,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:47,554 INFO L124 PetriNetUnfolderBase]: 486/911 cut-off events. [2024-11-19 13:54:47,554 INFO L125 PetriNetUnfolderBase]: For 1556/1556 co-relation queries the response was YES. [2024-11-19 13:54:47,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2924 conditions, 911 events. 486/911 cut-off events. For 1556/1556 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 4463 event pairs, 84 based on Foata normal form. 14/925 useless extension candidates. Maximal degree in co-relation 2795. Up to 226 conditions per place. [2024-11-19 13:54:47,561 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 95 selfloop transitions, 21 changer transitions 0/117 dead transitions. [2024-11-19 13:54:47,561 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 117 transitions, 839 flow [2024-11-19 13:54:47,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 13:54:47,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-19 13:54:47,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 135 transitions. [2024-11-19 13:54:47,563 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.39473684210526316 [2024-11-19 13:54:47,563 INFO L175 Difference]: Start difference. First operand has 72 places, 62 transitions, 418 flow. Second operand 9 states and 135 transitions. [2024-11-19 13:54:47,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 117 transitions, 839 flow [2024-11-19 13:54:47,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 117 transitions, 793 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-11-19 13:54:47,570 INFO L231 Difference]: Finished difference. Result has 80 places, 64 transitions, 462 flow [2024-11-19 13:54:47,570 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=462, PETRI_PLACES=80, PETRI_TRANSITIONS=64} [2024-11-19 13:54:47,571 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 41 predicate places. [2024-11-19 13:54:47,571 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 64 transitions, 462 flow [2024-11-19 13:54:47,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:47,571 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:47,572 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:47,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 13:54:47,572 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:47,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:47,572 INFO L85 PathProgramCache]: Analyzing trace with hash -2120512723, now seen corresponding path program 2 times [2024-11-19 13:54:47,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:47,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781255139] [2024-11-19 13:54:47,573 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:47,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:47,598 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:47,599 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:47,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:47,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:47,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781255139] [2024-11-19 13:54:47,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781255139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:47,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:47,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:54:47,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026599117] [2024-11-19 13:54:47,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:47,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:54:47,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:47,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:54:47,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:54:47,992 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 38 [2024-11-19 13:54:47,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 64 transitions, 462 flow. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:47,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:47,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 38 [2024-11-19 13:54:47,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:48,474 INFO L124 PetriNetUnfolderBase]: 639/1224 cut-off events. [2024-11-19 13:54:48,474 INFO L125 PetriNetUnfolderBase]: For 1853/1853 co-relation queries the response was YES. [2024-11-19 13:54:48,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3882 conditions, 1224 events. 639/1224 cut-off events. For 1853/1853 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 6587 event pairs, 152 based on Foata normal form. 14/1238 useless extension candidates. Maximal degree in co-relation 3743. Up to 379 conditions per place. [2024-11-19 13:54:48,482 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 106 selfloop transitions, 21 changer transitions 0/128 dead transitions. [2024-11-19 13:54:48,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 128 transitions, 923 flow [2024-11-19 13:54:48,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 13:54:48,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-19 13:54:48,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 149 transitions. [2024-11-19 13:54:48,483 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.39210526315789473 [2024-11-19 13:54:48,484 INFO L175 Difference]: Start difference. First operand has 80 places, 64 transitions, 462 flow. Second operand 10 states and 149 transitions. [2024-11-19 13:54:48,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 128 transitions, 923 flow [2024-11-19 13:54:48,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 128 transitions, 861 flow, removed 3 selfloop flow, removed 6 redundant places. [2024-11-19 13:54:48,492 INFO L231 Difference]: Finished difference. Result has 87 places, 69 transitions, 494 flow [2024-11-19 13:54:48,493 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=403, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=494, PETRI_PLACES=87, PETRI_TRANSITIONS=69} [2024-11-19 13:54:48,495 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 48 predicate places. [2024-11-19 13:54:48,495 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 69 transitions, 494 flow [2024-11-19 13:54:48,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:48,495 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:48,496 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:48,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 13:54:48,496 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:48,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:48,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1749614773, now seen corresponding path program 3 times [2024-11-19 13:54:48,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:48,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209643798] [2024-11-19 13:54:48,498 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:54:48,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:48,526 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:54:48,527 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:48,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:48,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:48,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209643798] [2024-11-19 13:54:48,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209643798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:48,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:48,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:54:48,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817660481] [2024-11-19 13:54:48,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:48,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:54:48,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:48,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:54:48,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:54:48,925 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 38 [2024-11-19 13:54:48,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 69 transitions, 494 flow. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:48,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:48,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 38 [2024-11-19 13:54:48,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:49,449 INFO L124 PetriNetUnfolderBase]: 733/1316 cut-off events. [2024-11-19 13:54:49,449 INFO L125 PetriNetUnfolderBase]: For 1950/1950 co-relation queries the response was YES. [2024-11-19 13:54:49,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4262 conditions, 1316 events. 733/1316 cut-off events. For 1950/1950 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 6613 event pairs, 204 based on Foata normal form. 14/1330 useless extension candidates. Maximal degree in co-relation 4125. Up to 480 conditions per place. [2024-11-19 13:54:49,464 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 102 selfloop transitions, 30 changer transitions 0/132 dead transitions. [2024-11-19 13:54:49,464 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 132 transitions, 956 flow [2024-11-19 13:54:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 13:54:49,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-19 13:54:49,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 144 transitions. [2024-11-19 13:54:49,466 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3444976076555024 [2024-11-19 13:54:49,466 INFO L175 Difference]: Start difference. First operand has 87 places, 69 transitions, 494 flow. Second operand 11 states and 144 transitions. [2024-11-19 13:54:49,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 132 transitions, 956 flow [2024-11-19 13:54:49,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 132 transitions, 925 flow, removed 5 selfloop flow, removed 2 redundant places. [2024-11-19 13:54:49,476 INFO L231 Difference]: Finished difference. Result has 98 places, 75 transitions, 571 flow [2024-11-19 13:54:49,477 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=571, PETRI_PLACES=98, PETRI_TRANSITIONS=75} [2024-11-19 13:54:49,477 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 59 predicate places. [2024-11-19 13:54:49,477 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 75 transitions, 571 flow [2024-11-19 13:54:49,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:49,478 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:49,478 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:49,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 13:54:49,478 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:49,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:49,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1039713035, now seen corresponding path program 4 times [2024-11-19 13:54:49,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:49,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052269393] [2024-11-19 13:54:49,479 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 13:54:49,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:49,518 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 13:54:49,519 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:49,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:49,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:49,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052269393] [2024-11-19 13:54:49,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052269393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:49,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:49,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:54:49,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928976221] [2024-11-19 13:54:49,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:49,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:54:49,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:49,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:54:49,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:54:49,842 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 38 [2024-11-19 13:54:49,843 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 75 transitions, 571 flow. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:49,843 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:49,843 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 38 [2024-11-19 13:54:49,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:50,442 INFO L124 PetriNetUnfolderBase]: 782/1505 cut-off events. [2024-11-19 13:54:50,442 INFO L125 PetriNetUnfolderBase]: For 2766/2766 co-relation queries the response was YES. [2024-11-19 13:54:50,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5060 conditions, 1505 events. 782/1505 cut-off events. For 2766/2766 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 8604 event pairs, 194 based on Foata normal form. 14/1519 useless extension candidates. Maximal degree in co-relation 4912. Up to 513 conditions per place. [2024-11-19 13:54:50,460 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 114 selfloop transitions, 26 changer transitions 0/144 dead transitions. [2024-11-19 13:54:50,461 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 144 transitions, 1068 flow [2024-11-19 13:54:50,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 13:54:50,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-19 13:54:50,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 158 transitions. [2024-11-19 13:54:50,462 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.41578947368421054 [2024-11-19 13:54:50,463 INFO L175 Difference]: Start difference. First operand has 98 places, 75 transitions, 571 flow. Second operand 10 states and 158 transitions. [2024-11-19 13:54:50,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 144 transitions, 1068 flow [2024-11-19 13:54:50,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 144 transitions, 1049 flow, removed 5 selfloop flow, removed 3 redundant places. [2024-11-19 13:54:50,479 INFO L231 Difference]: Finished difference. Result has 108 places, 78 transitions, 665 flow [2024-11-19 13:54:50,479 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=665, PETRI_PLACES=108, PETRI_TRANSITIONS=78} [2024-11-19 13:54:50,482 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 69 predicate places. [2024-11-19 13:54:50,482 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 78 transitions, 665 flow [2024-11-19 13:54:50,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:50,482 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:50,483 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:50,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 13:54:50,483 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:50,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:50,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1031124866, now seen corresponding path program 1 times [2024-11-19 13:54:50,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:50,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347548961] [2024-11-19 13:54:50,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:50,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:50,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:50,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:50,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347548961] [2024-11-19 13:54:50,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347548961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:50,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:50,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:54:50,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787296678] [2024-11-19 13:54:50,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:50,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:54:50,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:50,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:54:50,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:54:50,883 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 38 [2024-11-19 13:54:50,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 78 transitions, 665 flow. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:50,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:50,884 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 38 [2024-11-19 13:54:50,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:51,381 INFO L124 PetriNetUnfolderBase]: 818/1513 cut-off events. [2024-11-19 13:54:51,382 INFO L125 PetriNetUnfolderBase]: For 3554/3558 co-relation queries the response was YES. [2024-11-19 13:54:51,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5411 conditions, 1513 events. 818/1513 cut-off events. For 3554/3558 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 8284 event pairs, 218 based on Foata normal form. 12/1521 useless extension candidates. Maximal degree in co-relation 5264. Up to 518 conditions per place. [2024-11-19 13:54:51,396 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 104 selfloop transitions, 25 changer transitions 0/132 dead transitions. [2024-11-19 13:54:51,396 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 132 transitions, 1084 flow [2024-11-19 13:54:51,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 13:54:51,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-19 13:54:51,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 138 transitions. [2024-11-19 13:54:51,399 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.40350877192982454 [2024-11-19 13:54:51,399 INFO L175 Difference]: Start difference. First operand has 108 places, 78 transitions, 665 flow. Second operand 9 states and 138 transitions. [2024-11-19 13:54:51,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 132 transitions, 1084 flow [2024-11-19 13:54:51,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 132 transitions, 1057 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-19 13:54:51,417 INFO L231 Difference]: Finished difference. Result has 118 places, 82 transitions, 745 flow [2024-11-19 13:54:51,418 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=745, PETRI_PLACES=118, PETRI_TRANSITIONS=82} [2024-11-19 13:54:51,418 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 79 predicate places. [2024-11-19 13:54:51,419 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 82 transitions, 745 flow [2024-11-19 13:54:51,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:51,420 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:51,420 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:51,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 13:54:51,420 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:51,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:51,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1276771083, now seen corresponding path program 5 times [2024-11-19 13:54:51,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:51,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988925076] [2024-11-19 13:54:51,421 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 13:54:51,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:51,460 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:51,460 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:51,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:51,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:51,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988925076] [2024-11-19 13:54:51,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988925076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:51,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:51,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:54:51,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145306634] [2024-11-19 13:54:51,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:51,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:54:51,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:51,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:54:51,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:54:51,796 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 38 [2024-11-19 13:54:51,797 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 82 transitions, 745 flow. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:51,797 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:51,797 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 38 [2024-11-19 13:54:51,797 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:52,422 INFO L124 PetriNetUnfolderBase]: 941/1700 cut-off events. [2024-11-19 13:54:52,422 INFO L125 PetriNetUnfolderBase]: For 4369/4369 co-relation queries the response was YES. [2024-11-19 13:54:52,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6338 conditions, 1700 events. 941/1700 cut-off events. For 4369/4369 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 9248 event pairs, 204 based on Foata normal form. 26/1726 useless extension candidates. Maximal degree in co-relation 5941. Up to 697 conditions per place. [2024-11-19 13:54:52,436 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 122 selfloop transitions, 31 changer transitions 0/153 dead transitions. [2024-11-19 13:54:52,436 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 153 transitions, 1269 flow [2024-11-19 13:54:52,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 13:54:52,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-19 13:54:52,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 165 transitions. [2024-11-19 13:54:52,438 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3618421052631579 [2024-11-19 13:54:52,438 INFO L175 Difference]: Start difference. First operand has 118 places, 82 transitions, 745 flow. Second operand 12 states and 165 transitions. [2024-11-19 13:54:52,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 153 transitions, 1269 flow [2024-11-19 13:54:52,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 153 transitions, 1238 flow, removed 4 selfloop flow, removed 6 redundant places. [2024-11-19 13:54:52,454 INFO L231 Difference]: Finished difference. Result has 124 places, 84 transitions, 802 flow [2024-11-19 13:54:52,455 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=802, PETRI_PLACES=124, PETRI_TRANSITIONS=84} [2024-11-19 13:54:52,455 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 85 predicate places. [2024-11-19 13:54:52,455 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 84 transitions, 802 flow [2024-11-19 13:54:52,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:52,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:52,456 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:52,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 13:54:52,456 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:52,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:52,457 INFO L85 PathProgramCache]: Analyzing trace with hash -670616540, now seen corresponding path program 2 times [2024-11-19 13:54:52,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:52,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610857553] [2024-11-19 13:54:52,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:52,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:52,479 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:52,480 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:52,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:52,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:52,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610857553] [2024-11-19 13:54:52,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610857553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:52,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:52,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:54:52,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173386973] [2024-11-19 13:54:52,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:52,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:54:52,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:52,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:54:52,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:54:52,809 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 38 [2024-11-19 13:54:52,809 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 84 transitions, 802 flow. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:52,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:52,810 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 38 [2024-11-19 13:54:52,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:53,473 INFO L124 PetriNetUnfolderBase]: 1024/1851 cut-off events. [2024-11-19 13:54:53,473 INFO L125 PetriNetUnfolderBase]: For 4631/4631 co-relation queries the response was YES. [2024-11-19 13:54:53,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7113 conditions, 1851 events. 1024/1851 cut-off events. For 4631/4631 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 10292 event pairs, 174 based on Foata normal form. 12/1863 useless extension candidates. Maximal degree in co-relation 6659. Up to 768 conditions per place. [2024-11-19 13:54:53,486 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 112 selfloop transitions, 36 changer transitions 0/148 dead transitions. [2024-11-19 13:54:53,486 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 148 transitions, 1346 flow [2024-11-19 13:54:53,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 13:54:53,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-19 13:54:53,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 150 transitions. [2024-11-19 13:54:53,488 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32894736842105265 [2024-11-19 13:54:53,488 INFO L175 Difference]: Start difference. First operand has 124 places, 84 transitions, 802 flow. Second operand 12 states and 150 transitions. [2024-11-19 13:54:53,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 148 transitions, 1346 flow [2024-11-19 13:54:53,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 148 transitions, 1268 flow, removed 18 selfloop flow, removed 10 redundant places. [2024-11-19 13:54:53,508 INFO L231 Difference]: Finished difference. Result has 128 places, 90 transitions, 877 flow [2024-11-19 13:54:53,508 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=877, PETRI_PLACES=128, PETRI_TRANSITIONS=90} [2024-11-19 13:54:53,509 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 89 predicate places. [2024-11-19 13:54:53,510 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 90 transitions, 877 flow [2024-11-19 13:54:53,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:53,510 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:53,510 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:53,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 13:54:53,510 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:53,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:53,511 INFO L85 PathProgramCache]: Analyzing trace with hash -814507070, now seen corresponding path program 3 times [2024-11-19 13:54:53,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:53,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748384182] [2024-11-19 13:54:53,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:54:53,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:53,540 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:54:53,540 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:53,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:53,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:53,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748384182] [2024-11-19 13:54:53,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748384182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:53,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:53,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:54:53,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939204723] [2024-11-19 13:54:53,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:53,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:54:53,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:53,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:54:53,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:54:53,868 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 38 [2024-11-19 13:54:53,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 90 transitions, 877 flow. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:53,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:53,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 38 [2024-11-19 13:54:53,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:54,496 INFO L124 PetriNetUnfolderBase]: 1097/1984 cut-off events. [2024-11-19 13:54:54,497 INFO L125 PetriNetUnfolderBase]: For 4820/4820 co-relation queries the response was YES. [2024-11-19 13:54:54,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7532 conditions, 1984 events. 1097/1984 cut-off events. For 4820/4820 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 11236 event pairs, 192 based on Foata normal form. 12/1996 useless extension candidates. Maximal degree in co-relation 7068. Up to 608 conditions per place. [2024-11-19 13:54:54,514 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 101 selfloop transitions, 45 changer transitions 0/146 dead transitions. [2024-11-19 13:54:54,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 146 transitions, 1356 flow [2024-11-19 13:54:54,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 13:54:54,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-19 13:54:54,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 139 transitions. [2024-11-19 13:54:54,517 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33253588516746413 [2024-11-19 13:54:54,517 INFO L175 Difference]: Start difference. First operand has 128 places, 90 transitions, 877 flow. Second operand 11 states and 139 transitions. [2024-11-19 13:54:54,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 146 transitions, 1356 flow [2024-11-19 13:54:54,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 146 transitions, 1309 flow, removed 8 selfloop flow, removed 3 redundant places. [2024-11-19 13:54:54,539 INFO L231 Difference]: Finished difference. Result has 138 places, 92 transitions, 979 flow [2024-11-19 13:54:54,540 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=979, PETRI_PLACES=138, PETRI_TRANSITIONS=92} [2024-11-19 13:54:54,541 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 99 predicate places. [2024-11-19 13:54:54,541 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 92 transitions, 979 flow [2024-11-19 13:54:54,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:54,542 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:54,542 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:54,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 13:54:54,542 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:54,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:54,543 INFO L85 PathProgramCache]: Analyzing trace with hash -817303580, now seen corresponding path program 4 times [2024-11-19 13:54:54,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:54,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472926615] [2024-11-19 13:54:54,543 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 13:54:54,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:54,575 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 13:54:54,575 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:54,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:54,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:54,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472926615] [2024-11-19 13:54:54,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472926615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:54,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:54,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:54:54,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479615397] [2024-11-19 13:54:54,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:54,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:54:54,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:54,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:54:54,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:54:54,952 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 38 [2024-11-19 13:54:54,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 92 transitions, 979 flow. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:54,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:54,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 38 [2024-11-19 13:54:54,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:55,480 INFO L124 PetriNetUnfolderBase]: 960/1824 cut-off events. [2024-11-19 13:54:55,481 INFO L125 PetriNetUnfolderBase]: For 5849/5849 co-relation queries the response was YES. [2024-11-19 13:54:55,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7344 conditions, 1824 events. 960/1824 cut-off events. For 5849/5849 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 10824 event pairs, 160 based on Foata normal form. 12/1830 useless extension candidates. Maximal degree in co-relation 7036. Up to 456 conditions per place. [2024-11-19 13:54:55,492 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 93 selfloop transitions, 34 changer transitions 0/136 dead transitions. [2024-11-19 13:54:55,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 136 transitions, 1354 flow [2024-11-19 13:54:55,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 13:54:55,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-19 13:54:55,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 125 transitions. [2024-11-19 13:54:55,494 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3654970760233918 [2024-11-19 13:54:55,494 INFO L175 Difference]: Start difference. First operand has 138 places, 92 transitions, 979 flow. Second operand 9 states and 125 transitions. [2024-11-19 13:54:55,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 136 transitions, 1354 flow [2024-11-19 13:54:55,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 136 transitions, 1281 flow, removed 4 selfloop flow, removed 11 redundant places. [2024-11-19 13:54:55,512 INFO L231 Difference]: Finished difference. Result has 135 places, 92 transitions, 979 flow [2024-11-19 13:54:55,512 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=979, PETRI_PLACES=135, PETRI_TRANSITIONS=92} [2024-11-19 13:54:55,513 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 96 predicate places. [2024-11-19 13:54:55,513 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 92 transitions, 979 flow [2024-11-19 13:54:55,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:55,513 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:55,514 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:55,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 13:54:55,514 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:55,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:55,515 INFO L85 PathProgramCache]: Analyzing trace with hash 873129159, now seen corresponding path program 1 times [2024-11-19 13:54:55,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:55,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978480476] [2024-11-19 13:54:55,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:55,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:56,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:56,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:56,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978480476] [2024-11-19 13:54:56,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978480476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:56,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:56,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:56,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713329158] [2024-11-19 13:54:56,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:56,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:56,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:56,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:56,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:56,085 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:54:56,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 92 transitions, 979 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:56,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:56,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:54:56,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:56,597 INFO L124 PetriNetUnfolderBase]: 775/1588 cut-off events. [2024-11-19 13:54:56,597 INFO L125 PetriNetUnfolderBase]: For 5791/5791 co-relation queries the response was YES. [2024-11-19 13:54:56,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6572 conditions, 1588 events. 775/1588 cut-off events. For 5791/5791 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 9913 event pairs, 166 based on Foata normal form. 42/1618 useless extension candidates. Maximal degree in co-relation 6431. Up to 658 conditions per place. [2024-11-19 13:54:56,605 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 58 selfloop transitions, 23 changer transitions 37/131 dead transitions. [2024-11-19 13:54:56,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 131 transitions, 1295 flow [2024-11-19 13:54:56,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 13:54:56,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-19 13:54:56,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 157 transitions. [2024-11-19 13:54:56,607 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3442982456140351 [2024-11-19 13:54:56,607 INFO L175 Difference]: Start difference. First operand has 135 places, 92 transitions, 979 flow. Second operand 12 states and 157 transitions. [2024-11-19 13:54:56,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 131 transitions, 1295 flow [2024-11-19 13:54:56,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 131 transitions, 1183 flow, removed 7 selfloop flow, removed 10 redundant places. [2024-11-19 13:54:56,622 INFO L231 Difference]: Finished difference. Result has 134 places, 75 transitions, 733 flow [2024-11-19 13:54:56,623 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=836, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=733, PETRI_PLACES=134, PETRI_TRANSITIONS=75} [2024-11-19 13:54:56,624 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 95 predicate places. [2024-11-19 13:54:56,624 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 75 transitions, 733 flow [2024-11-19 13:54:56,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:56,624 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:56,624 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:56,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 13:54:56,625 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:56,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:56,625 INFO L85 PathProgramCache]: Analyzing trace with hash -2128633757, now seen corresponding path program 2 times [2024-11-19 13:54:56,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:56,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128029754] [2024-11-19 13:54:56,626 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:56,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:56,651 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:56,651 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:57,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:57,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:57,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128029754] [2024-11-19 13:54:57,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128029754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:57,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:57,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:57,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558617079] [2024-11-19 13:54:57,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:57,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:57,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:57,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:57,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:57,084 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:54:57,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 75 transitions, 733 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:57,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:57,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:54:57,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:57,538 INFO L124 PetriNetUnfolderBase]: 565/1142 cut-off events. [2024-11-19 13:54:57,539 INFO L125 PetriNetUnfolderBase]: For 3260/3260 co-relation queries the response was YES. [2024-11-19 13:54:57,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4475 conditions, 1142 events. 565/1142 cut-off events. For 3260/3260 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 6481 event pairs, 152 based on Foata normal form. 14/1148 useless extension candidates. Maximal degree in co-relation 4402. Up to 766 conditions per place. [2024-11-19 13:54:57,546 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 59 selfloop transitions, 22 changer transitions 25/117 dead transitions. [2024-11-19 13:54:57,547 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 117 transitions, 1048 flow [2024-11-19 13:54:57,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 13:54:57,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 13:54:57,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 168 transitions. [2024-11-19 13:54:57,548 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.340080971659919 [2024-11-19 13:54:57,548 INFO L175 Difference]: Start difference. First operand has 134 places, 75 transitions, 733 flow. Second operand 13 states and 168 transitions. [2024-11-19 13:54:57,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 117 transitions, 1048 flow [2024-11-19 13:54:57,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 117 transitions, 971 flow, removed 3 selfloop flow, removed 12 redundant places. [2024-11-19 13:54:57,557 INFO L231 Difference]: Finished difference. Result has 121 places, 68 transitions, 628 flow [2024-11-19 13:54:57,557 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=628, PETRI_PLACES=121, PETRI_TRANSITIONS=68} [2024-11-19 13:54:57,558 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 82 predicate places. [2024-11-19 13:54:57,558 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 68 transitions, 628 flow [2024-11-19 13:54:57,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:57,559 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:57,559 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:57,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 13:54:57,559 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:57,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:57,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1900100309, now seen corresponding path program 1 times [2024-11-19 13:54:57,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:57,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48292729] [2024-11-19 13:54:57,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:57,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:58,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:58,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:58,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48292729] [2024-11-19 13:54:58,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48292729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:58,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:58,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:58,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605933094] [2024-11-19 13:54:58,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:58,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:58,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:58,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:58,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:58,073 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:54:58,074 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 68 transitions, 628 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:58,074 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:58,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:54:58,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:58,527 INFO L124 PetriNetUnfolderBase]: 487/986 cut-off events. [2024-11-19 13:54:58,527 INFO L125 PetriNetUnfolderBase]: For 2471/2471 co-relation queries the response was YES. [2024-11-19 13:54:58,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3780 conditions, 986 events. 487/986 cut-off events. For 2471/2471 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 5339 event pairs, 136 based on Foata normal form. 12/990 useless extension candidates. Maximal degree in co-relation 3710. Up to 654 conditions per place. [2024-11-19 13:54:58,536 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 46 selfloop transitions, 14 changer transitions 35/104 dead transitions. [2024-11-19 13:54:58,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 104 transitions, 903 flow [2024-11-19 13:54:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 13:54:58,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 13:54:58,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 159 transitions. [2024-11-19 13:54:58,537 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32186234817813764 [2024-11-19 13:54:58,537 INFO L175 Difference]: Start difference. First operand has 121 places, 68 transitions, 628 flow. Second operand 13 states and 159 transitions. [2024-11-19 13:54:58,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 104 transitions, 903 flow [2024-11-19 13:54:58,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 104 transitions, 814 flow, removed 1 selfloop flow, removed 16 redundant places. [2024-11-19 13:54:58,545 INFO L231 Difference]: Finished difference. Result has 111 places, 55 transitions, 433 flow [2024-11-19 13:54:58,545 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=433, PETRI_PLACES=111, PETRI_TRANSITIONS=55} [2024-11-19 13:54:58,545 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 72 predicate places. [2024-11-19 13:54:58,546 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 55 transitions, 433 flow [2024-11-19 13:54:58,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:58,546 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:58,547 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:58,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 13:54:58,547 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:58,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:58,547 INFO L85 PathProgramCache]: Analyzing trace with hash 925198435, now seen corresponding path program 3 times [2024-11-19 13:54:58,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:58,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387735407] [2024-11-19 13:54:58,548 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:54:58,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:58,569 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:54:58,570 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:58,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:58,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:58,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387735407] [2024-11-19 13:54:58,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387735407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:58,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:58,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:58,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912466910] [2024-11-19 13:54:58,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:58,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:58,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:58,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:58,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:58,972 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:54:58,972 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 55 transitions, 433 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:58,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:58,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:54:58,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:59,384 INFO L124 PetriNetUnfolderBase]: 381/782 cut-off events. [2024-11-19 13:54:59,385 INFO L125 PetriNetUnfolderBase]: For 1571/1571 co-relation queries the response was YES. [2024-11-19 13:54:59,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2800 conditions, 782 events. 381/782 cut-off events. For 1571/1571 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 4106 event pairs, 80 based on Foata normal form. 14/792 useless extension candidates. Maximal degree in co-relation 2766. Up to 475 conditions per place. [2024-11-19 13:54:59,389 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 36 selfloop transitions, 19 changer transitions 25/87 dead transitions. [2024-11-19 13:54:59,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 87 transitions, 675 flow [2024-11-19 13:54:59,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 13:54:59,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-19 13:54:59,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 156 transitions. [2024-11-19 13:54:59,390 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2932330827067669 [2024-11-19 13:54:59,391 INFO L175 Difference]: Start difference. First operand has 111 places, 55 transitions, 433 flow. Second operand 14 states and 156 transitions. [2024-11-19 13:54:59,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 87 transitions, 675 flow [2024-11-19 13:54:59,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 87 transitions, 580 flow, removed 3 selfloop flow, removed 20 redundant places. [2024-11-19 13:54:59,395 INFO L231 Difference]: Finished difference. Result has 87 places, 44 transitions, 313 flow [2024-11-19 13:54:59,395 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=313, PETRI_PLACES=87, PETRI_TRANSITIONS=44} [2024-11-19 13:54:59,396 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 48 predicate places. [2024-11-19 13:54:59,396 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 44 transitions, 313 flow [2024-11-19 13:54:59,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:59,396 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:59,397 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:59,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 13:54:59,397 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:59,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:59,397 INFO L85 PathProgramCache]: Analyzing trace with hash 658965205, now seen corresponding path program 2 times [2024-11-19 13:54:59,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:59,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878167729] [2024-11-19 13:54:59,398 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:59,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:59,415 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:59,416 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:59,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:59,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:59,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878167729] [2024-11-19 13:54:59,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878167729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:59,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:59,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:59,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834918806] [2024-11-19 13:54:59,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:59,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:59,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:59,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:59,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:59,794 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:54:59,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 44 transitions, 313 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:59,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:59,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:54:59,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:00,130 INFO L124 PetriNetUnfolderBase]: 303/620 cut-off events. [2024-11-19 13:55:00,130 INFO L125 PetriNetUnfolderBase]: For 883/883 co-relation queries the response was YES. [2024-11-19 13:55:00,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2165 conditions, 620 events. 303/620 cut-off events. For 883/883 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3016 event pairs, 65 based on Foata normal form. 12/628 useless extension candidates. Maximal degree in co-relation 2139. Up to 363 conditions per place. [2024-11-19 13:55:00,133 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 29 selfloop transitions, 12 changer transitions 28/74 dead transitions. [2024-11-19 13:55:00,134 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 74 transitions, 532 flow [2024-11-19 13:55:00,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 13:55:00,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-19 13:55:00,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 134 transitions. [2024-11-19 13:55:00,135 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.29385964912280704 [2024-11-19 13:55:00,135 INFO L175 Difference]: Start difference. First operand has 87 places, 44 transitions, 313 flow. Second operand 12 states and 134 transitions. [2024-11-19 13:55:00,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 74 transitions, 532 flow [2024-11-19 13:55:00,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 74 transitions, 478 flow, removed 1 selfloop flow, removed 13 redundant places. [2024-11-19 13:55:00,139 INFO L231 Difference]: Finished difference. Result has 73 places, 35 transitions, 217 flow [2024-11-19 13:55:00,139 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=217, PETRI_PLACES=73, PETRI_TRANSITIONS=35} [2024-11-19 13:55:00,140 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 34 predicate places. [2024-11-19 13:55:00,140 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 35 transitions, 217 flow [2024-11-19 13:55:00,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:00,140 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:00,140 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:00,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-19 13:55:00,141 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:00,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:00,141 INFO L85 PathProgramCache]: Analyzing trace with hash 520085141, now seen corresponding path program 3 times [2024-11-19 13:55:00,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:00,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850583153] [2024-11-19 13:55:00,142 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:55:00,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:00,165 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:55:00,166 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:00,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:00,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:00,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850583153] [2024-11-19 13:55:00,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850583153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:00,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:00,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:55:00,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193952675] [2024-11-19 13:55:00,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:00,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:55:00,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:00,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:55:00,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:55:00,635 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:55:00,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 35 transitions, 217 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:00,636 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:00,636 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:55:00,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:00,921 INFO L124 PetriNetUnfolderBase]: 192/405 cut-off events. [2024-11-19 13:55:00,921 INFO L125 PetriNetUnfolderBase]: For 623/623 co-relation queries the response was YES. [2024-11-19 13:55:00,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1362 conditions, 405 events. 192/405 cut-off events. For 623/623 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1801 event pairs, 32 based on Foata normal form. 24/429 useless extension candidates. Maximal degree in co-relation 1353. Up to 139 conditions per place. [2024-11-19 13:55:00,923 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 22 selfloop transitions, 9 changer transitions 24/57 dead transitions. [2024-11-19 13:55:00,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 57 transitions, 379 flow [2024-11-19 13:55:00,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 13:55:00,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-19 13:55:00,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 116 transitions. [2024-11-19 13:55:00,924 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.27751196172248804 [2024-11-19 13:55:00,924 INFO L175 Difference]: Start difference. First operand has 73 places, 35 transitions, 217 flow. Second operand 11 states and 116 transitions. [2024-11-19 13:55:00,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 57 transitions, 379 flow [2024-11-19 13:55:00,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 57 transitions, 325 flow, removed 5 selfloop flow, removed 11 redundant places. [2024-11-19 13:55:00,926 INFO L231 Difference]: Finished difference. Result has 61 places, 25 transitions, 126 flow [2024-11-19 13:55:00,927 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=126, PETRI_PLACES=61, PETRI_TRANSITIONS=25} [2024-11-19 13:55:00,927 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 22 predicate places. [2024-11-19 13:55:00,927 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 25 transitions, 126 flow [2024-11-19 13:55:00,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:00,928 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:00,928 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:00,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 13:55:00,928 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:00,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:00,929 INFO L85 PathProgramCache]: Analyzing trace with hash 433393331, now seen corresponding path program 4 times [2024-11-19 13:55:00,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:00,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975404116] [2024-11-19 13:55:00,929 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 13:55:00,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:00,951 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 13:55:00,951 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:01,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:01,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:01,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975404116] [2024-11-19 13:55:01,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975404116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:01,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:01,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:55:01,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434313899] [2024-11-19 13:55:01,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:01,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:55:01,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:01,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:55:01,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:55:01,373 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:55:01,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 25 transitions, 126 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:01,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:01,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:55:01,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:01,586 INFO L124 PetriNetUnfolderBase]: 69/154 cut-off events. [2024-11-19 13:55:01,586 INFO L125 PetriNetUnfolderBase]: For 120/120 co-relation queries the response was YES. [2024-11-19 13:55:01,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 488 conditions, 154 events. 69/154 cut-off events. For 120/120 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 459 event pairs, 0 based on Foata normal form. 12/166 useless extension candidates. Maximal degree in co-relation 481. Up to 58 conditions per place. [2024-11-19 13:55:01,587 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 0 selfloop transitions, 0 changer transitions 42/42 dead transitions. [2024-11-19 13:55:01,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 42 transitions, 246 flow [2024-11-19 13:55:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 13:55:01,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-19 13:55:01,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 107 transitions. [2024-11-19 13:55:01,589 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.25598086124401914 [2024-11-19 13:55:01,589 INFO L175 Difference]: Start difference. First operand has 61 places, 25 transitions, 126 flow. Second operand 11 states and 107 transitions. [2024-11-19 13:55:01,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 42 transitions, 246 flow [2024-11-19 13:55:01,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 42 transitions, 199 flow, removed 0 selfloop flow, removed 16 redundant places. [2024-11-19 13:55:01,591 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2024-11-19 13:55:01,591 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0} [2024-11-19 13:55:01,591 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 5 predicate places. [2024-11-19 13:55:01,592 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2024-11-19 13:55:01,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:01,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-11-19 13:55:01,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-11-19 13:55:01,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-19 13:55:01,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-19 13:55:01,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-19 13:55:01,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-19 13:55:01,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-19 13:55:01,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-19 13:55:01,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-19 13:55:01,598 INFO L407 BasicCegarLoop]: Path program histogram: [5, 4, 4, 3, 3, 2, 1, 1, 1] [2024-11-19 13:55:01,605 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 13:55:01,605 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:55:01,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:55:01 BasicIcfg [2024-11-19 13:55:01,610 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:55:01,611 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:55:01,611 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:55:01,612 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:55:01,612 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:54:38" (3/4) ... [2024-11-19 13:55:01,614 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 13:55:01,617 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-19 13:55:01,626 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 122 nodes and edges [2024-11-19 13:55:01,629 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2024-11-19 13:55:01,629 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-19 13:55:01,630 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 13:55:01,782 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 13:55:01,786 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 13:55:01,787 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:55:01,787 INFO L158 Benchmark]: Toolchain (without parser) took 25539.80ms. Allocated memory was 148.9MB in the beginning and 763.4MB in the end (delta: 614.5MB). Free memory was 110.7MB in the beginning and 660.7MB in the end (delta: -550.0MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2024-11-19 13:55:01,787 INFO L158 Benchmark]: CDTParser took 1.01ms. Allocated memory is still 104.9MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:55:01,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 701.84ms. Allocated memory is still 148.9MB. Free memory was 110.7MB in the beginning and 74.0MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-19 13:55:01,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.95ms. Allocated memory is still 148.9MB. Free memory was 74.0MB in the beginning and 70.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:55:01,788 INFO L158 Benchmark]: Boogie Preprocessor took 81.57ms. Allocated memory is still 148.9MB. Free memory was 70.9MB in the beginning and 66.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:55:01,788 INFO L158 Benchmark]: RCFGBuilder took 963.87ms. Allocated memory is still 148.9MB. Free memory was 66.7MB in the beginning and 69.4MB in the end (delta: -2.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 13:55:01,788 INFO L158 Benchmark]: TraceAbstraction took 23537.43ms. Allocated memory was 148.9MB in the beginning and 763.4MB in the end (delta: 614.5MB). Free memory was 69.4MB in the beginning and 670.1MB in the end (delta: -600.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 13:55:01,789 INFO L158 Benchmark]: Witness Printer took 175.79ms. Allocated memory is still 763.4MB. Free memory was 670.1MB in the beginning and 660.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-19 13:55:01,795 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01ms. Allocated memory is still 104.9MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 701.84ms. Allocated memory is still 148.9MB. Free memory was 110.7MB in the beginning and 74.0MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.95ms. Allocated memory is still 148.9MB. Free memory was 74.0MB in the beginning and 70.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.57ms. Allocated memory is still 148.9MB. Free memory was 70.9MB in the beginning and 66.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 963.87ms. Allocated memory is still 148.9MB. Free memory was 66.7MB in the beginning and 69.4MB in the end (delta: -2.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 23537.43ms. Allocated memory was 148.9MB in the beginning and 763.4MB in the end (delta: 614.5MB). Free memory was 69.4MB in the beginning and 670.1MB in the end (delta: -600.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 175.79ms. Allocated memory is still 763.4MB. Free memory was 670.1MB in the beginning and 660.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3905]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3905]: 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, 48 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: 23.4s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2060 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1932 mSDsluCounter, 1477 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1359 mSDsCounter, 272 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7666 IncrementalHoareTripleChecker+Invalid, 7938 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 272 mSolverCounterUnsat, 118 mSDtfsCounter, 7666 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 316 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 280 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=979occurred in iteration=16, InterpolantAutomatonStates: 262, 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, 9.1s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 3217 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-19 13:55:01,848 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