./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-races/race-2_2-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-2_2-container_of.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 01:46:54,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 01:46:54,598 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-23 01:46:54,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 01:46:54,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 01:46:54,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 01:46:54,643 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 01:46:54,643 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 01:46:54,644 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 01:46:54,644 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 01:46:54,644 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 01:46:54,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 01:46:54,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 01:46:54,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 01:46:54,646 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 01:46:54,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 01:46:54,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 01:46:54,653 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 01:46:54,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 01:46:54,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 01:46:54,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 01:46:54,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 01:46:54,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 01:46:54,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 01:46:54,656 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 01:46:54,656 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 01:46:54,656 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 01:46:54,656 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 01:46:54,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 01:46:54,656 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 01:46:54,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 01:46:54,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 01:46:54,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 01:46:54,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 01:46:54,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:46:54,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 01:46:54,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 01:46:54,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 01:46:54,658 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 01:46:54,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 01:46:54,658 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 01:46:54,663 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 01:46:54,663 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 01:46:54,664 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 01:46:54,664 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 [2024-11-23 01:46:54,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 01:46:54,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 01:46:54,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 01:46:54,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 01:46:54,972 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 01:46:54,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2024-11-23 01:46:56,357 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 01:46:56,575 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 01:46:56,575 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2024-11-23 01:46:56,602 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a54d95b/ccccf7429c164d7a8ab5384bbdaf592c/FLAG1fdb6fa25 [2024-11-23 01:46:56,620 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a54d95b/ccccf7429c164d7a8ab5384bbdaf592c [2024-11-23 01:46:56,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 01:46:56,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 01:46:56,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 01:46:56,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 01:46:56,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 01:46:56,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:56" (1/1) ... [2024-11-23 01:46:56,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75c6d115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:56, skipping insertion in model container [2024-11-23 01:46:56,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:56" (1/1) ... [2024-11-23 01:46:56,713 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 01:46:57,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:46:57,084 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 01:46:57,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:46:57,156 INFO L204 MainTranslator]: Completed translation [2024-11-23 01:46:57,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:57 WrapperNode [2024-11-23 01:46:57,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 01:46:57,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 01:46:57,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 01:46:57,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 01:46:57,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:57" (1/1) ... [2024-11-23 01:46:57,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:57" (1/1) ... [2024-11-23 01:46:57,197 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 11, calls inlined = 14, statements flattened = 120 [2024-11-23 01:46:57,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 01:46:57,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 01:46:57,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 01:46:57,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 01:46:57,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:57" (1/1) ... [2024-11-23 01:46:57,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:57" (1/1) ... [2024-11-23 01:46:57,225 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:57" (1/1) ... [2024-11-23 01:46:57,267 INFO L175 MemorySlicer]: Split 15 memory accesses to 3 slices as follows [2, 11, 2]. 73 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 6, 2]. [2024-11-23 01:46:57,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:57" (1/1) ... [2024-11-23 01:46:57,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:57" (1/1) ... [2024-11-23 01:46:57,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:57" (1/1) ... [2024-11-23 01:46:57,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:57" (1/1) ... [2024-11-23 01:46:57,304 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:57" (1/1) ... [2024-11-23 01:46:57,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:57" (1/1) ... [2024-11-23 01:46:57,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 01:46:57,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 01:46:57,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 01:46:57,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 01:46:57,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:57" (1/1) ... [2024-11-23 01:46:57,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:46:57,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:46:57,347 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) [2024-11-23 01:46:57,353 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 [2024-11-23 01:46:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-23 01:46:57,395 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-23 01:46:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 01:46:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 01:46:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 01:46:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 01:46:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 01:46:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 01:46:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 01:46:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 01:46:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 01:46:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 01:46:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 01:46:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 01:46:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 01:46:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 01:46:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 01:46:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 01:46:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 01:46:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 01:46:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 01:46:57,398 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 01:46:57,599 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 01:46:57,601 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 01:46:57,812 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 01:46:57,814 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 01:46:57,960 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 01:46:57,960 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 01:46:57,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:57 BoogieIcfgContainer [2024-11-23 01:46:57,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 01:46:57,963 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 01:46:57,963 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 01:46:57,965 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 01:46:57,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:46:56" (1/3) ... [2024-11-23 01:46:57,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d864b02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:46:57, skipping insertion in model container [2024-11-23 01:46:57,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:57" (2/3) ... [2024-11-23 01:46:57,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d864b02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:46:57, skipping insertion in model container [2024-11-23 01:46:57,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:57" (3/3) ... [2024-11-23 01:46:57,969 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2024-11-23 01:46:57,982 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 01:46:57,982 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-23 01:46:57,982 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 01:46:58,036 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-23 01:46:58,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 34 transitions, 82 flow [2024-11-23 01:46:58,191 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-11-23 01:46:58,191 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-23 01:46:58,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 37 events. 2/37 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 75 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 21. Up to 3 conditions per place. [2024-11-23 01:46:58,197 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 34 transitions, 82 flow [2024-11-23 01:46:58,203 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 65 flow [2024-11-23 01:46:58,218 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 01:46:58,231 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;@752795be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 01:46:58,232 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-23 01:46:58,242 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 01:46:58,242 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2024-11-23 01:46:58,242 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 01:46:58,242 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:46:58,243 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:46:58,248 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:46:58,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:46:58,260 INFO L85 PathProgramCache]: Analyzing trace with hash -183419474, now seen corresponding path program 1 times [2024-11-23 01:46:58,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:46:58,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95122075] [2024-11-23 01:46:58,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:46:58,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:46:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:46:59,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:46:59,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:46:59,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95122075] [2024-11-23 01:46:59,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95122075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:46:59,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:46:59,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 01:46:59,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109192862] [2024-11-23 01:46:59,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:46:59,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 01:46:59,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:46:59,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 01:46:59,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 01:46:59,261 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:46:59,263 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 65 flow. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:46:59,263 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:46:59,263 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:46:59,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:46:59,731 INFO L124 PetriNetUnfolderBase]: 769/1306 cut-off events. [2024-11-23 01:46:59,732 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-11-23 01:46:59,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2638 conditions, 1306 events. 769/1306 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 6470 event pairs, 347 based on Foata normal form. 0/1086 useless extension candidates. Maximal degree in co-relation 2568. Up to 850 conditions per place. [2024-11-23 01:46:59,746 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 20 changer transitions 2/86 dead transitions. [2024-11-23 01:46:59,747 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 86 transitions, 366 flow [2024-11-23 01:46:59,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 01:46:59,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-23 01:46:59,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 129 transitions. [2024-11-23 01:46:59,759 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.37941176470588234 [2024-11-23 01:46:59,761 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 65 flow. Second operand 10 states and 129 transitions. [2024-11-23 01:46:59,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 86 transitions, 366 flow [2024-11-23 01:46:59,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 86 transitions, 355 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-23 01:46:59,771 INFO L231 Difference]: Finished difference. Result has 46 places, 48 transitions, 188 flow [2024-11-23 01:46:59,774 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=188, PETRI_PLACES=46, PETRI_TRANSITIONS=48} [2024-11-23 01:46:59,779 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 11 predicate places. [2024-11-23 01:46:59,779 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 48 transitions, 188 flow [2024-11-23 01:46:59,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:46:59,780 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:46:59,780 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:46:59,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 01:46:59,780 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:46:59,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:46:59,781 INFO L85 PathProgramCache]: Analyzing trace with hash -186141248, now seen corresponding path program 1 times [2024-11-23 01:46:59,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:46:59,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076414040] [2024-11-23 01:46:59,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:46:59,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:46:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:47:00,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:00,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:00,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076414040] [2024-11-23 01:47:00,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076414040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:00,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:00,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 01:47:00,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819925865] [2024-11-23 01:47:00,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:00,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 01:47:00,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:00,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 01:47:00,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 01:47:00,113 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:00,114 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 48 transitions, 188 flow. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:00,114 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:00,114 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:00,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:00,400 INFO L124 PetriNetUnfolderBase]: 899/1554 cut-off events. [2024-11-23 01:47:00,401 INFO L125 PetriNetUnfolderBase]: For 794/794 co-relation queries the response was YES. [2024-11-23 01:47:00,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3993 conditions, 1554 events. 899/1554 cut-off events. For 794/794 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 8213 event pairs, 631 based on Foata normal form. 0/1372 useless extension candidates. Maximal degree in co-relation 2189. Up to 1126 conditions per place. [2024-11-23 01:47:00,408 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 64 selfloop transitions, 27 changer transitions 4/96 dead transitions. [2024-11-23 01:47:00,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 96 transitions, 550 flow [2024-11-23 01:47:00,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 01:47:00,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-23 01:47:00,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 125 transitions. [2024-11-23 01:47:00,410 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.36764705882352944 [2024-11-23 01:47:00,410 INFO L175 Difference]: Start difference. First operand has 46 places, 48 transitions, 188 flow. Second operand 10 states and 125 transitions. [2024-11-23 01:47:00,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 96 transitions, 550 flow [2024-11-23 01:47:00,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 96 transitions, 548 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 01:47:00,415 INFO L231 Difference]: Finished difference. Result has 58 places, 64 transitions, 344 flow [2024-11-23 01:47:00,415 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=344, PETRI_PLACES=58, PETRI_TRANSITIONS=64} [2024-11-23 01:47:00,415 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 23 predicate places. [2024-11-23 01:47:00,415 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 64 transitions, 344 flow [2024-11-23 01:47:00,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:00,416 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:00,416 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:00,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 01:47:00,416 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:00,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:00,417 INFO L85 PathProgramCache]: Analyzing trace with hash -3978691, now seen corresponding path program 1 times [2024-11-23 01:47:00,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:00,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170526034] [2024-11-23 01:47:00,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:47:00,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:47:00,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:00,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:00,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170526034] [2024-11-23 01:47:00,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170526034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:00,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:00,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 01:47:00,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251522997] [2024-11-23 01:47:00,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:00,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 01:47:00,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:00,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 01:47:00,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-23 01:47:00,715 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:00,715 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 64 transitions, 344 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:00,715 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:00,715 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:00,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:01,617 INFO L124 PetriNetUnfolderBase]: 1410/2455 cut-off events. [2024-11-23 01:47:01,617 INFO L125 PetriNetUnfolderBase]: For 2390/2394 co-relation queries the response was YES. [2024-11-23 01:47:01,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7340 conditions, 2455 events. 1410/2455 cut-off events. For 2390/2394 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 14577 event pairs, 653 based on Foata normal form. 54/2347 useless extension candidates. Maximal degree in co-relation 4394. Up to 1397 conditions per place. [2024-11-23 01:47:01,635 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 121 selfloop transitions, 66 changer transitions 4/192 dead transitions. [2024-11-23 01:47:01,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 192 transitions, 1364 flow [2024-11-23 01:47:01,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-23 01:47:01,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-23 01:47:01,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 202 transitions. [2024-11-23 01:47:01,641 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3494809688581315 [2024-11-23 01:47:01,642 INFO L175 Difference]: Start difference. First operand has 58 places, 64 transitions, 344 flow. Second operand 17 states and 202 transitions. [2024-11-23 01:47:01,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 192 transitions, 1364 flow [2024-11-23 01:47:01,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 192 transitions, 1364 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 01:47:01,654 INFO L231 Difference]: Finished difference. Result has 86 places, 123 transitions, 983 flow [2024-11-23 01:47:01,655 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=983, PETRI_PLACES=86, PETRI_TRANSITIONS=123} [2024-11-23 01:47:01,656 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 51 predicate places. [2024-11-23 01:47:01,656 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 123 transitions, 983 flow [2024-11-23 01:47:01,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:01,657 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:01,657 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:01,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 01:47:01,657 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:01,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:01,658 INFO L85 PathProgramCache]: Analyzing trace with hash -859285121, now seen corresponding path program 1 times [2024-11-23 01:47:01,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:01,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864928187] [2024-11-23 01:47:01,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:47:01,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:47:02,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:02,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:02,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864928187] [2024-11-23 01:47:02,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864928187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:02,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:02,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 01:47:02,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041967754] [2024-11-23 01:47:02,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:02,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 01:47:02,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:02,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 01:47:02,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-23 01:47:02,132 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:02,132 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 123 transitions, 983 flow. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:02,132 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:02,132 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:02,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:02,743 INFO L124 PetriNetUnfolderBase]: 1416/2509 cut-off events. [2024-11-23 01:47:02,744 INFO L125 PetriNetUnfolderBase]: For 6890/6904 co-relation queries the response was YES. [2024-11-23 01:47:02,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9596 conditions, 2509 events. 1416/2509 cut-off events. For 6890/6904 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 15284 event pairs, 592 based on Foata normal form. 68/2401 useless extension candidates. Maximal degree in co-relation 8877. Up to 1610 conditions per place. [2024-11-23 01:47:02,762 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 112 selfloop transitions, 90 changer transitions 19/222 dead transitions. [2024-11-23 01:47:02,763 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 222 transitions, 2146 flow [2024-11-23 01:47:02,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 01:47:02,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-23 01:47:02,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 167 transitions. [2024-11-23 01:47:02,764 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.35084033613445376 [2024-11-23 01:47:02,764 INFO L175 Difference]: Start difference. First operand has 86 places, 123 transitions, 983 flow. Second operand 14 states and 167 transitions. [2024-11-23 01:47:02,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 222 transitions, 2146 flow [2024-11-23 01:47:02,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 222 transitions, 2040 flow, removed 45 selfloop flow, removed 3 redundant places. [2024-11-23 01:47:02,800 INFO L231 Difference]: Finished difference. Result has 104 places, 159 transitions, 1605 flow [2024-11-23 01:47:02,800 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=937, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1605, PETRI_PLACES=104, PETRI_TRANSITIONS=159} [2024-11-23 01:47:02,801 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 69 predicate places. [2024-11-23 01:47:02,801 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 159 transitions, 1605 flow [2024-11-23 01:47:02,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:02,801 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:02,801 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:02,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 01:47:02,802 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:02,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:02,802 INFO L85 PathProgramCache]: Analyzing trace with hash -415995041, now seen corresponding path program 2 times [2024-11-23 01:47:02,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:02,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662376055] [2024-11-23 01:47:02,802 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:47:02,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:02,829 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 01:47:02,830 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:03,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:03,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:03,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662376055] [2024-11-23 01:47:03,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662376055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:03,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:03,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 01:47:03,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433006613] [2024-11-23 01:47:03,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:03,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 01:47:03,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:03,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 01:47:03,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-23 01:47:03,125 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:03,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 159 transitions, 1605 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:03,125 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:03,125 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:03,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:03,844 INFO L124 PetriNetUnfolderBase]: 1564/2782 cut-off events. [2024-11-23 01:47:03,844 INFO L125 PetriNetUnfolderBase]: For 9431/9449 co-relation queries the response was YES. [2024-11-23 01:47:03,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11526 conditions, 2782 events. 1564/2782 cut-off events. For 9431/9449 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 17451 event pairs, 616 based on Foata normal form. 72/2664 useless extension candidates. Maximal degree in co-relation 10753. Up to 1607 conditions per place. [2024-11-23 01:47:03,866 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 106 selfloop transitions, 124 changer transitions 19/250 dead transitions. [2024-11-23 01:47:03,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 250 transitions, 2816 flow [2024-11-23 01:47:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 01:47:03,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-23 01:47:03,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 201 transitions. [2024-11-23 01:47:03,868 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3284313725490196 [2024-11-23 01:47:03,868 INFO L175 Difference]: Start difference. First operand has 104 places, 159 transitions, 1605 flow. Second operand 18 states and 201 transitions. [2024-11-23 01:47:03,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 250 transitions, 2816 flow [2024-11-23 01:47:03,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 250 transitions, 2751 flow, removed 25 selfloop flow, removed 3 redundant places. [2024-11-23 01:47:03,902 INFO L231 Difference]: Finished difference. Result has 123 places, 185 transitions, 2198 flow [2024-11-23 01:47:03,902 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1552, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2198, PETRI_PLACES=123, PETRI_TRANSITIONS=185} [2024-11-23 01:47:03,903 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 88 predicate places. [2024-11-23 01:47:03,903 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 185 transitions, 2198 flow [2024-11-23 01:47:03,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:03,903 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:03,904 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:03,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 01:47:03,904 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:03,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:03,904 INFO L85 PathProgramCache]: Analyzing trace with hash -410632661, now seen corresponding path program 3 times [2024-11-23 01:47:03,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:03,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172061340] [2024-11-23 01:47:03,905 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 01:47:03,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:03,921 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 01:47:03,922 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:04,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:04,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:04,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172061340] [2024-11-23 01:47:04,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172061340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:04,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:04,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 01:47:04,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723208053] [2024-11-23 01:47:04,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:04,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 01:47:04,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:04,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 01:47:04,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-23 01:47:04,369 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:04,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 185 transitions, 2198 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:04,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:04,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:04,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:05,155 INFO L124 PetriNetUnfolderBase]: 1729/3110 cut-off events. [2024-11-23 01:47:05,155 INFO L125 PetriNetUnfolderBase]: For 11792/11796 co-relation queries the response was YES. [2024-11-23 01:47:05,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13248 conditions, 3110 events. 1729/3110 cut-off events. For 11792/11796 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 20222 event pairs, 849 based on Foata normal form. 56/2960 useless extension candidates. Maximal degree in co-relation 12848. Up to 1870 conditions per place. [2024-11-23 01:47:05,179 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 105 selfloop transitions, 109 changer transitions 13/228 dead transitions. [2024-11-23 01:47:05,180 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 228 transitions, 2954 flow [2024-11-23 01:47:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 01:47:05,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-23 01:47:05,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 150 transitions. [2024-11-23 01:47:05,181 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.36764705882352944 [2024-11-23 01:47:05,181 INFO L175 Difference]: Start difference. First operand has 123 places, 185 transitions, 2198 flow. Second operand 12 states and 150 transitions. [2024-11-23 01:47:05,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 228 transitions, 2954 flow [2024-11-23 01:47:05,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 228 transitions, 2847 flow, removed 34 selfloop flow, removed 7 redundant places. [2024-11-23 01:47:05,220 INFO L231 Difference]: Finished difference. Result has 130 places, 188 transitions, 2427 flow [2024-11-23 01:47:05,220 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2094, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2427, PETRI_PLACES=130, PETRI_TRANSITIONS=188} [2024-11-23 01:47:05,221 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 95 predicate places. [2024-11-23 01:47:05,221 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 188 transitions, 2427 flow [2024-11-23 01:47:05,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:05,221 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:05,221 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:05,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 01:47:05,222 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:05,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:05,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1299970082, now seen corresponding path program 1 times [2024-11-23 01:47:05,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:05,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144465461] [2024-11-23 01:47:05,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:47:05,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:47:05,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:05,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:05,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144465461] [2024-11-23 01:47:05,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144465461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:05,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:05,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 01:47:05,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599698747] [2024-11-23 01:47:05,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:05,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 01:47:05,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:05,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 01:47:05,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-23 01:47:05,590 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:05,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 188 transitions, 2427 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:05,591 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:05,591 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:05,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:06,321 INFO L124 PetriNetUnfolderBase]: 1967/3514 cut-off events. [2024-11-23 01:47:06,321 INFO L125 PetriNetUnfolderBase]: For 15345/15355 co-relation queries the response was YES. [2024-11-23 01:47:06,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15298 conditions, 3514 events. 1967/3514 cut-off events. For 15345/15355 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 23216 event pairs, 947 based on Foata normal form. 82/3368 useless extension candidates. Maximal degree in co-relation 14986. Up to 2269 conditions per place. [2024-11-23 01:47:06,340 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 173 selfloop transitions, 87 changer transitions 12/273 dead transitions. [2024-11-23 01:47:06,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 273 transitions, 3597 flow [2024-11-23 01:47:06,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 01:47:06,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-23 01:47:06,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 178 transitions. [2024-11-23 01:47:06,342 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.34901960784313724 [2024-11-23 01:47:06,342 INFO L175 Difference]: Start difference. First operand has 130 places, 188 transitions, 2427 flow. Second operand 15 states and 178 transitions. [2024-11-23 01:47:06,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 273 transitions, 3597 flow [2024-11-23 01:47:06,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 273 transitions, 3410 flow, removed 35 selfloop flow, removed 6 redundant places. [2024-11-23 01:47:06,386 INFO L231 Difference]: Finished difference. Result has 142 places, 211 transitions, 2752 flow [2024-11-23 01:47:06,387 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2266, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2752, PETRI_PLACES=142, PETRI_TRANSITIONS=211} [2024-11-23 01:47:06,387 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 107 predicate places. [2024-11-23 01:47:06,387 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 211 transitions, 2752 flow [2024-11-23 01:47:06,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:06,388 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:06,388 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:06,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 01:47:06,392 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:06,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:06,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1506623297, now seen corresponding path program 2 times [2024-11-23 01:47:06,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:06,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500109277] [2024-11-23 01:47:06,393 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:47:06,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:06,416 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 01:47:06,417 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:06,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:06,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:06,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500109277] [2024-11-23 01:47:06,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500109277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:06,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:06,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 01:47:06,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478285006] [2024-11-23 01:47:06,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:06,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 01:47:06,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:06,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 01:47:06,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-23 01:47:06,635 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:06,635 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 211 transitions, 2752 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:06,635 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:06,635 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:06,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:07,555 INFO L124 PetriNetUnfolderBase]: 2198/3934 cut-off events. [2024-11-23 01:47:07,556 INFO L125 PetriNetUnfolderBase]: For 21412/21414 co-relation queries the response was YES. [2024-11-23 01:47:07,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18649 conditions, 3934 events. 2198/3934 cut-off events. For 21412/21414 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 26611 event pairs, 978 based on Foata normal form. 56/3738 useless extension candidates. Maximal degree in co-relation 17908. Up to 2459 conditions per place. [2024-11-23 01:47:07,591 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 144 selfloop transitions, 140 changer transitions 8/293 dead transitions. [2024-11-23 01:47:07,592 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 293 transitions, 4120 flow [2024-11-23 01:47:07,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 01:47:07,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-23 01:47:07,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 199 transitions. [2024-11-23 01:47:07,593 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32516339869281047 [2024-11-23 01:47:07,593 INFO L175 Difference]: Start difference. First operand has 142 places, 211 transitions, 2752 flow. Second operand 18 states and 199 transitions. [2024-11-23 01:47:07,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 293 transitions, 4120 flow [2024-11-23 01:47:07,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 293 transitions, 4030 flow, removed 11 selfloop flow, removed 9 redundant places. [2024-11-23 01:47:07,660 INFO L231 Difference]: Finished difference. Result has 155 places, 232 transitions, 3404 flow [2024-11-23 01:47:07,660 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2670, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=3404, PETRI_PLACES=155, PETRI_TRANSITIONS=232} [2024-11-23 01:47:07,661 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 120 predicate places. [2024-11-23 01:47:07,661 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 232 transitions, 3404 flow [2024-11-23 01:47:07,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:07,661 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:07,661 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:07,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 01:47:07,661 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:07,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:07,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1506623522, now seen corresponding path program 2 times [2024-11-23 01:47:07,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:07,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751525926] [2024-11-23 01:47:07,662 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:47:07,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:07,683 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 01:47:07,684 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:08,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:08,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:08,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751525926] [2024-11-23 01:47:08,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751525926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:08,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:08,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 01:47:08,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303620875] [2024-11-23 01:47:08,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:08,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 01:47:08,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:08,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 01:47:08,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-23 01:47:08,006 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:08,007 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 232 transitions, 3404 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:08,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:08,007 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:08,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:09,005 INFO L124 PetriNetUnfolderBase]: 2509/4501 cut-off events. [2024-11-23 01:47:09,005 INFO L125 PetriNetUnfolderBase]: For 34764/34766 co-relation queries the response was YES. [2024-11-23 01:47:09,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24088 conditions, 4501 events. 2509/4501 cut-off events. For 34764/34766 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 31285 event pairs, 1240 based on Foata normal form. 96/4327 useless extension candidates. Maximal degree in co-relation 22950. Up to 2931 conditions per place. [2024-11-23 01:47:09,040 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 225 selfloop transitions, 95 changer transitions 15/336 dead transitions. [2024-11-23 01:47:09,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 336 transitions, 5256 flow [2024-11-23 01:47:09,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 01:47:09,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-23 01:47:09,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 174 transitions. [2024-11-23 01:47:09,043 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3411764705882353 [2024-11-23 01:47:09,043 INFO L175 Difference]: Start difference. First operand has 155 places, 232 transitions, 3404 flow. Second operand 15 states and 174 transitions. [2024-11-23 01:47:09,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 336 transitions, 5256 flow [2024-11-23 01:47:09,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 336 transitions, 5094 flow, removed 41 selfloop flow, removed 7 redundant places. [2024-11-23 01:47:09,152 INFO L231 Difference]: Finished difference. Result has 167 places, 265 transitions, 4151 flow [2024-11-23 01:47:09,153 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3293, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=4151, PETRI_PLACES=167, PETRI_TRANSITIONS=265} [2024-11-23 01:47:09,154 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 132 predicate places. [2024-11-23 01:47:09,154 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 265 transitions, 4151 flow [2024-11-23 01:47:09,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:09,155 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:09,155 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:09,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 01:47:09,155 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:09,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:09,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1299969857, now seen corresponding path program 3 times [2024-11-23 01:47:09,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:09,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947785096] [2024-11-23 01:47:09,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 01:47:09,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:09,182 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 01:47:09,182 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:09,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:09,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:09,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947785096] [2024-11-23 01:47:09,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947785096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:09,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:09,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 01:47:09,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282227806] [2024-11-23 01:47:09,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:09,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 01:47:09,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:09,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 01:47:09,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-23 01:47:09,470 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:09,470 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 265 transitions, 4151 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:09,470 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:09,470 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:09,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:10,469 INFO L124 PetriNetUnfolderBase]: 2455/4453 cut-off events. [2024-11-23 01:47:10,469 INFO L125 PetriNetUnfolderBase]: For 41550/41554 co-relation queries the response was YES. [2024-11-23 01:47:10,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25392 conditions, 4453 events. 2455/4453 cut-off events. For 41550/41554 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 31241 event pairs, 1236 based on Foata normal form. 80/4283 useless extension candidates. Maximal degree in co-relation 24135. Up to 2769 conditions per place. [2024-11-23 01:47:10,511 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 211 selfloop transitions, 145 changer transitions 11/368 dead transitions. [2024-11-23 01:47:10,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 368 transitions, 6058 flow [2024-11-23 01:47:10,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-23 01:47:10,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-23 01:47:10,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 224 transitions. [2024-11-23 01:47:10,512 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32941176470588235 [2024-11-23 01:47:10,513 INFO L175 Difference]: Start difference. First operand has 167 places, 265 transitions, 4151 flow. Second operand 20 states and 224 transitions. [2024-11-23 01:47:10,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 368 transitions, 6058 flow [2024-11-23 01:47:10,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 368 transitions, 5907 flow, removed 40 selfloop flow, removed 5 redundant places. [2024-11-23 01:47:10,657 INFO L231 Difference]: Finished difference. Result has 186 places, 294 transitions, 4962 flow [2024-11-23 01:47:10,658 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4020, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=4962, PETRI_PLACES=186, PETRI_TRANSITIONS=294} [2024-11-23 01:47:10,660 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 151 predicate places. [2024-11-23 01:47:10,661 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 294 transitions, 4962 flow [2024-11-23 01:47:10,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:10,661 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:10,661 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:10,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 01:47:10,661 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:10,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:10,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1305332462, now seen corresponding path program 3 times [2024-11-23 01:47:10,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:10,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417934310] [2024-11-23 01:47:10,662 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 01:47:10,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:10,678 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 01:47:10,679 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:11,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:11,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:11,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417934310] [2024-11-23 01:47:11,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417934310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:11,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:11,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 01:47:11,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987669961] [2024-11-23 01:47:11,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:11,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 01:47:11,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:11,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 01:47:11,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-23 01:47:11,046 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:11,046 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 294 transitions, 4962 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:11,046 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:11,046 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:11,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:12,100 INFO L124 PetriNetUnfolderBase]: 2422/4444 cut-off events. [2024-11-23 01:47:12,100 INFO L125 PetriNetUnfolderBase]: For 51080/51082 co-relation queries the response was YES. [2024-11-23 01:47:12,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26904 conditions, 4444 events. 2422/4444 cut-off events. For 51080/51082 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 31674 event pairs, 1270 based on Foata normal form. 72/4274 useless extension candidates. Maximal degree in co-relation 25641. Up to 2758 conditions per place. [2024-11-23 01:47:12,131 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 203 selfloop transitions, 148 changer transitions 15/367 dead transitions. [2024-11-23 01:47:12,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 367 transitions, 6354 flow [2024-11-23 01:47:12,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 01:47:12,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-23 01:47:12,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 210 transitions. [2024-11-23 01:47:12,133 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32507739938080493 [2024-11-23 01:47:12,133 INFO L175 Difference]: Start difference. First operand has 186 places, 294 transitions, 4962 flow. Second operand 19 states and 210 transitions. [2024-11-23 01:47:12,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 367 transitions, 6354 flow [2024-11-23 01:47:12,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 367 transitions, 6020 flow, removed 56 selfloop flow, removed 13 redundant places. [2024-11-23 01:47:12,288 INFO L231 Difference]: Finished difference. Result has 196 places, 301 transitions, 5218 flow [2024-11-23 01:47:12,289 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4667, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=141, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=5218, PETRI_PLACES=196, PETRI_TRANSITIONS=301} [2024-11-23 01:47:12,289 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 161 predicate places. [2024-11-23 01:47:12,290 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 301 transitions, 5218 flow [2024-11-23 01:47:12,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:12,290 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:12,290 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:12,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 01:47:12,290 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:12,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:12,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1499473457, now seen corresponding path program 4 times [2024-11-23 01:47:12,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:12,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138314560] [2024-11-23 01:47:12,291 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 01:47:12,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:12,306 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 01:47:12,306 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:12,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:12,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:12,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138314560] [2024-11-23 01:47:12,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138314560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:12,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:12,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 01:47:12,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636669130] [2024-11-23 01:47:12,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:12,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 01:47:12,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:12,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 01:47:12,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-23 01:47:12,536 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:12,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 301 transitions, 5218 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:12,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:12,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:12,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:13,710 INFO L124 PetriNetUnfolderBase]: 2350/4338 cut-off events. [2024-11-23 01:47:13,710 INFO L125 PetriNetUnfolderBase]: For 49537/49537 co-relation queries the response was YES. [2024-11-23 01:47:13,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26293 conditions, 4338 events. 2350/4338 cut-off events. For 49537/49537 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 30806 event pairs, 1203 based on Foata normal form. 52/4154 useless extension candidates. Maximal degree in co-relation 25363. Up to 2587 conditions per place. [2024-11-23 01:47:13,745 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 168 selfloop transitions, 194 changer transitions 10/373 dead transitions. [2024-11-23 01:47:13,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 373 transitions, 6644 flow [2024-11-23 01:47:13,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-23 01:47:13,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-23 01:47:13,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 231 transitions. [2024-11-23 01:47:13,747 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3088235294117647 [2024-11-23 01:47:13,747 INFO L175 Difference]: Start difference. First operand has 196 places, 301 transitions, 5218 flow. Second operand 22 states and 231 transitions. [2024-11-23 01:47:13,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 373 transitions, 6644 flow [2024-11-23 01:47:13,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 373 transitions, 6328 flow, removed 52 selfloop flow, removed 13 redundant places. [2024-11-23 01:47:13,901 INFO L231 Difference]: Finished difference. Result has 207 places, 307 transitions, 5500 flow [2024-11-23 01:47:13,902 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4936, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=5500, PETRI_PLACES=207, PETRI_TRANSITIONS=307} [2024-11-23 01:47:13,902 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 172 predicate places. [2024-11-23 01:47:13,902 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 307 transitions, 5500 flow [2024-11-23 01:47:13,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:13,902 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:13,903 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:13,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 01:47:13,903 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:13,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:13,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1615928707, now seen corresponding path program 1 times [2024-11-23 01:47:13,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:13,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499556643] [2024-11-23 01:47:13,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:47:13,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:47:14,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:14,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:14,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499556643] [2024-11-23 01:47:14,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499556643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:14,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:14,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:47:14,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733980420] [2024-11-23 01:47:14,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:14,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:47:14,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:14,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:47:14,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:47:14,281 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:14,281 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 307 transitions, 5500 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:14,281 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:14,281 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:14,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:15,352 INFO L124 PetriNetUnfolderBase]: 2300/4297 cut-off events. [2024-11-23 01:47:15,353 INFO L125 PetriNetUnfolderBase]: For 52440/52440 co-relation queries the response was YES. [2024-11-23 01:47:15,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26503 conditions, 4297 events. 2300/4297 cut-off events. For 52440/52440 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 30659 event pairs, 800 based on Foata normal form. 0/4091 useless extension candidates. Maximal degree in co-relation 25905. Up to 2038 conditions per place. [2024-11-23 01:47:15,391 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 243 selfloop transitions, 178 changer transitions 20/442 dead transitions. [2024-11-23 01:47:15,391 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 442 transitions, 7721 flow [2024-11-23 01:47:15,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-23 01:47:15,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-23 01:47:15,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 234 transitions. [2024-11-23 01:47:15,392 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31283422459893045 [2024-11-23 01:47:15,393 INFO L175 Difference]: Start difference. First operand has 207 places, 307 transitions, 5500 flow. Second operand 22 states and 234 transitions. [2024-11-23 01:47:15,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 442 transitions, 7721 flow [2024-11-23 01:47:15,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 442 transitions, 7380 flow, removed 29 selfloop flow, removed 14 redundant places. [2024-11-23 01:47:15,589 INFO L231 Difference]: Finished difference. Result has 220 places, 354 transitions, 6317 flow [2024-11-23 01:47:15,589 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5181, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=6317, PETRI_PLACES=220, PETRI_TRANSITIONS=354} [2024-11-23 01:47:15,590 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 185 predicate places. [2024-11-23 01:47:15,590 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 354 transitions, 6317 flow [2024-11-23 01:47:15,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:15,590 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:15,590 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:15,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 01:47:15,590 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:15,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:15,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1615928708, now seen corresponding path program 1 times [2024-11-23 01:47:15,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:15,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502764050] [2024-11-23 01:47:15,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:47:15,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:47:15,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:15,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:15,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502764050] [2024-11-23 01:47:15,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502764050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:15,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:15,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:47:15,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840075211] [2024-11-23 01:47:15,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:15,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:47:15,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:15,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:47:15,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:47:15,912 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:15,912 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 354 transitions, 6317 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:15,912 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:15,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:15,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:16,791 INFO L124 PetriNetUnfolderBase]: 1826/3479 cut-off events. [2024-11-23 01:47:16,792 INFO L125 PetriNetUnfolderBase]: For 61327/61329 co-relation queries the response was YES. [2024-11-23 01:47:16,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23887 conditions, 3479 events. 1826/3479 cut-off events. For 61327/61329 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 24723 event pairs, 847 based on Foata normal form. 14/3367 useless extension candidates. Maximal degree in co-relation 23285. Up to 2924 conditions per place. [2024-11-23 01:47:16,817 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 312 selfloop transitions, 77 changer transitions 16/406 dead transitions. [2024-11-23 01:47:16,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 406 transitions, 7437 flow [2024-11-23 01:47:16,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 01:47:16,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-23 01:47:16,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 160 transitions. [2024-11-23 01:47:16,819 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3137254901960784 [2024-11-23 01:47:16,819 INFO L175 Difference]: Start difference. First operand has 220 places, 354 transitions, 6317 flow. Second operand 15 states and 160 transitions. [2024-11-23 01:47:16,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 406 transitions, 7437 flow [2024-11-23 01:47:17,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 406 transitions, 7263 flow, removed 44 selfloop flow, removed 8 redundant places. [2024-11-23 01:47:17,013 INFO L231 Difference]: Finished difference. Result has 233 places, 361 transitions, 6415 flow [2024-11-23 01:47:17,014 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6165, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6415, PETRI_PLACES=233, PETRI_TRANSITIONS=361} [2024-11-23 01:47:17,014 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 198 predicate places. [2024-11-23 01:47:17,014 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 361 transitions, 6415 flow [2024-11-23 01:47:17,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:17,015 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:17,015 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:17,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 01:47:17,015 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:17,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:17,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1283461148, now seen corresponding path program 2 times [2024-11-23 01:47:17,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:17,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248110217] [2024-11-23 01:47:17,015 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:47:17,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:17,029 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 01:47:17,030 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:17,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:17,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:17,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248110217] [2024-11-23 01:47:17,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248110217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:17,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:17,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:47:17,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245462364] [2024-11-23 01:47:17,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:17,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:47:17,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:17,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:47:17,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:47:17,340 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:17,340 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 361 transitions, 6415 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:17,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:17,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:17,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:18,504 INFO L124 PetriNetUnfolderBase]: 2082/3988 cut-off events. [2024-11-23 01:47:18,504 INFO L125 PetriNetUnfolderBase]: For 77206/77208 co-relation queries the response was YES. [2024-11-23 01:47:18,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26891 conditions, 3988 events. 2082/3988 cut-off events. For 77206/77208 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 29265 event pairs, 887 based on Foata normal form. 28/3890 useless extension candidates. Maximal degree in co-relation 26285. Up to 2918 conditions per place. [2024-11-23 01:47:18,548 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 370 selfloop transitions, 95 changer transitions 8/474 dead transitions. [2024-11-23 01:47:18,549 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 474 transitions, 8576 flow [2024-11-23 01:47:18,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 01:47:18,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-23 01:47:18,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 217 transitions. [2024-11-23 01:47:18,550 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33591331269349844 [2024-11-23 01:47:18,550 INFO L175 Difference]: Start difference. First operand has 233 places, 361 transitions, 6415 flow. Second operand 19 states and 217 transitions. [2024-11-23 01:47:18,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 474 transitions, 8576 flow [2024-11-23 01:47:18,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 474 transitions, 8384 flow, removed 54 selfloop flow, removed 8 redundant places. [2024-11-23 01:47:18,878 INFO L231 Difference]: Finished difference. Result has 250 places, 391 transitions, 7116 flow [2024-11-23 01:47:18,879 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6284, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=7116, PETRI_PLACES=250, PETRI_TRANSITIONS=391} [2024-11-23 01:47:18,879 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 215 predicate places. [2024-11-23 01:47:18,879 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 391 transitions, 7116 flow [2024-11-23 01:47:18,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:18,879 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:18,880 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:18,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 01:47:18,880 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:18,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:18,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1281673688, now seen corresponding path program 3 times [2024-11-23 01:47:18,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:18,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617785356] [2024-11-23 01:47:18,881 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 01:47:18,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:18,906 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 01:47:18,906 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:19,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:19,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:19,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617785356] [2024-11-23 01:47:19,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617785356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:19,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:19,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:47:19,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511121136] [2024-11-23 01:47:19,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:19,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:47:19,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:19,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:47:19,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:47:19,339 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:19,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 391 transitions, 7116 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:19,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:19,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:19,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:20,463 INFO L124 PetriNetUnfolderBase]: 2046/3930 cut-off events. [2024-11-23 01:47:20,464 INFO L125 PetriNetUnfolderBase]: For 78405/78407 co-relation queries the response was YES. [2024-11-23 01:47:20,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27059 conditions, 3930 events. 2046/3930 cut-off events. For 78405/78407 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 28839 event pairs, 871 based on Foata normal form. 28/3832 useless extension candidates. Maximal degree in co-relation 26605. Up to 2918 conditions per place. [2024-11-23 01:47:20,498 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 366 selfloop transitions, 97 changer transitions 6/470 dead transitions. [2024-11-23 01:47:20,499 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 470 transitions, 8698 flow [2024-11-23 01:47:20,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 01:47:20,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-23 01:47:20,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 210 transitions. [2024-11-23 01:47:20,500 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32507739938080493 [2024-11-23 01:47:20,500 INFO L175 Difference]: Start difference. First operand has 250 places, 391 transitions, 7116 flow. Second operand 19 states and 210 transitions. [2024-11-23 01:47:20,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 470 transitions, 8698 flow [2024-11-23 01:47:20,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 470 transitions, 8461 flow, removed 99 selfloop flow, removed 4 redundant places. [2024-11-23 01:47:20,799 INFO L231 Difference]: Finished difference. Result has 271 places, 398 transitions, 7319 flow [2024-11-23 01:47:20,800 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6927, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=7319, PETRI_PLACES=271, PETRI_TRANSITIONS=398} [2024-11-23 01:47:20,800 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 236 predicate places. [2024-11-23 01:47:20,800 INFO L471 AbstractCegarLoop]: Abstraction has has 271 places, 398 transitions, 7319 flow [2024-11-23 01:47:20,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:20,800 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:20,800 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:20,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 01:47:20,801 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:20,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:20,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1714398118, now seen corresponding path program 1 times [2024-11-23 01:47:20,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:20,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724223780] [2024-11-23 01:47:20,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:47:20,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:47:20,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:20,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:20,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724223780] [2024-11-23 01:47:20,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724223780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:20,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:20,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:47:20,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370706049] [2024-11-23 01:47:20,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:20,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:47:20,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:20,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:47:20,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:47:20,867 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 34 [2024-11-23 01:47:20,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 398 transitions, 7319 flow. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:20,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:20,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 34 [2024-11-23 01:47:20,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:21,338 INFO L124 PetriNetUnfolderBase]: 1153/2232 cut-off events. [2024-11-23 01:47:21,342 INFO L125 PetriNetUnfolderBase]: For 42683/42683 co-relation queries the response was YES. [2024-11-23 01:47:21,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15062 conditions, 2232 events. 1153/2232 cut-off events. For 42683/42683 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 15233 event pairs, 228 based on Foata normal form. 0/2168 useless extension candidates. Maximal degree in co-relation 14848. Up to 1416 conditions per place. [2024-11-23 01:47:21,387 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 365 selfloop transitions, 46 changer transitions 19/430 dead transitions. [2024-11-23 01:47:21,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 430 transitions, 9020 flow [2024-11-23 01:47:21,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:47:21,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-23 01:47:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 66 transitions. [2024-11-23 01:47:21,389 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4852941176470588 [2024-11-23 01:47:21,389 INFO L175 Difference]: Start difference. First operand has 271 places, 398 transitions, 7319 flow. Second operand 4 states and 66 transitions. [2024-11-23 01:47:21,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 430 transitions, 9020 flow [2024-11-23 01:47:21,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 430 transitions, 8629 flow, removed 54 selfloop flow, removed 15 redundant places. [2024-11-23 01:47:21,509 INFO L231 Difference]: Finished difference. Result has 254 places, 285 transitions, 5175 flow [2024-11-23 01:47:21,510 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5312, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=5175, PETRI_PLACES=254, PETRI_TRANSITIONS=285} [2024-11-23 01:47:21,510 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 219 predicate places. [2024-11-23 01:47:21,510 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 285 transitions, 5175 flow [2024-11-23 01:47:21,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:21,510 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:21,510 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:21,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 01:47:21,510 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:21,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:21,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1144929476, now seen corresponding path program 4 times [2024-11-23 01:47:21,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:21,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565365427] [2024-11-23 01:47:21,511 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 01:47:21,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:21,524 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 01:47:21,524 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:21,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:21,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:21,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565365427] [2024-11-23 01:47:21,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565365427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:21,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:21,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:47:21,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39569319] [2024-11-23 01:47:21,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:21,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:47:21,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:21,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:47:21,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:47:21,803 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:21,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 285 transitions, 5175 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:21,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:21,803 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:21,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:22,490 INFO L124 PetriNetUnfolderBase]: 1131/2190 cut-off events. [2024-11-23 01:47:22,491 INFO L125 PetriNetUnfolderBase]: For 32492/32492 co-relation queries the response was YES. [2024-11-23 01:47:22,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14707 conditions, 2190 events. 1131/2190 cut-off events. For 32492/32492 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 14245 event pairs, 444 based on Foata normal form. 26/2152 useless extension candidates. Maximal degree in co-relation 14611. Up to 1547 conditions per place. [2024-11-23 01:47:22,510 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 216 selfloop transitions, 106 changer transitions 16/338 dead transitions. [2024-11-23 01:47:22,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 338 transitions, 6471 flow [2024-11-23 01:47:22,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 01:47:22,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-23 01:47:22,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 152 transitions. [2024-11-23 01:47:22,511 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31932773109243695 [2024-11-23 01:47:22,511 INFO L175 Difference]: Start difference. First operand has 254 places, 285 transitions, 5175 flow. Second operand 14 states and 152 transitions. [2024-11-23 01:47:22,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 338 transitions, 6471 flow [2024-11-23 01:47:22,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 338 transitions, 6319 flow, removed 17 selfloop flow, removed 9 redundant places. [2024-11-23 01:47:22,650 INFO L231 Difference]: Finished difference. Result has 252 places, 291 transitions, 5473 flow [2024-11-23 01:47:22,650 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5056, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5473, PETRI_PLACES=252, PETRI_TRANSITIONS=291} [2024-11-23 01:47:22,651 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 217 predicate places. [2024-11-23 01:47:22,651 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 291 transitions, 5473 flow [2024-11-23 01:47:22,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:22,651 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:22,651 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:22,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 01:47:22,651 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:22,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:22,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1283457626, now seen corresponding path program 5 times [2024-11-23 01:47:22,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:22,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285775713] [2024-11-23 01:47:22,652 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 01:47:22,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:22,670 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 01:47:22,671 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:23,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:23,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:23,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285775713] [2024-11-23 01:47:23,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285775713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:23,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:23,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:47:23,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088900764] [2024-11-23 01:47:23,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:23,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:47:23,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:23,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:47:23,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:47:23,049 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:23,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 291 transitions, 5473 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:23,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:23,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:23,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:23,785 INFO L124 PetriNetUnfolderBase]: 1217/2386 cut-off events. [2024-11-23 01:47:23,785 INFO L125 PetriNetUnfolderBase]: For 35988/35988 co-relation queries the response was YES. [2024-11-23 01:47:23,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15743 conditions, 2386 events. 1217/2386 cut-off events. For 35988/35988 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 16039 event pairs, 500 based on Foata normal form. 16/2338 useless extension candidates. Maximal degree in co-relation 15454. Up to 1703 conditions per place. [2024-11-23 01:47:23,808 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 262 selfloop transitions, 94 changer transitions 15/371 dead transitions. [2024-11-23 01:47:23,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 371 transitions, 6924 flow [2024-11-23 01:47:23,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 01:47:23,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-23 01:47:23,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 191 transitions. [2024-11-23 01:47:23,809 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31209150326797386 [2024-11-23 01:47:23,809 INFO L175 Difference]: Start difference. First operand has 252 places, 291 transitions, 5473 flow. Second operand 18 states and 191 transitions. [2024-11-23 01:47:23,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 371 transitions, 6924 flow [2024-11-23 01:47:23,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 371 transitions, 6818 flow, removed 20 selfloop flow, removed 5 redundant places. [2024-11-23 01:47:23,969 INFO L231 Difference]: Finished difference. Result has 269 places, 299 transitions, 5803 flow [2024-11-23 01:47:23,970 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5387, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=5803, PETRI_PLACES=269, PETRI_TRANSITIONS=299} [2024-11-23 01:47:23,970 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 234 predicate places. [2024-11-23 01:47:23,970 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 299 transitions, 5803 flow [2024-11-23 01:47:23,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:23,971 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:23,971 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:23,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-23 01:47:23,971 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:23,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:23,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1139265565, now seen corresponding path program 1 times [2024-11-23 01:47:23,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:23,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532899525] [2024-11-23 01:47:23,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:47:23,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:47:24,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:24,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:24,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532899525] [2024-11-23 01:47:24,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532899525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:24,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:24,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:47:24,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823118653] [2024-11-23 01:47:24,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:24,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:47:24,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:24,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:47:24,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:47:24,310 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:24,310 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 299 transitions, 5803 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:24,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:24,311 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:24,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:25,121 INFO L124 PetriNetUnfolderBase]: 1219/2414 cut-off events. [2024-11-23 01:47:25,121 INFO L125 PetriNetUnfolderBase]: For 39779/39779 co-relation queries the response was YES. [2024-11-23 01:47:25,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16551 conditions, 2414 events. 1219/2414 cut-off events. For 39779/39779 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 16326 event pairs, 433 based on Foata normal form. 0/2382 useless extension candidates. Maximal degree in co-relation 16272. Up to 882 conditions per place. [2024-11-23 01:47:25,145 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 231 selfloop transitions, 142 changer transitions 17/390 dead transitions. [2024-11-23 01:47:25,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 390 transitions, 7625 flow [2024-11-23 01:47:25,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-23 01:47:25,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-23 01:47:25,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 224 transitions. [2024-11-23 01:47:25,147 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2864450127877238 [2024-11-23 01:47:25,147 INFO L175 Difference]: Start difference. First operand has 269 places, 299 transitions, 5803 flow. Second operand 23 states and 224 transitions. [2024-11-23 01:47:25,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 390 transitions, 7625 flow [2024-11-23 01:47:25,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 390 transitions, 7463 flow, removed 36 selfloop flow, removed 8 redundant places. [2024-11-23 01:47:25,331 INFO L231 Difference]: Finished difference. Result has 288 places, 311 transitions, 6239 flow [2024-11-23 01:47:25,331 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5643, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=6239, PETRI_PLACES=288, PETRI_TRANSITIONS=311} [2024-11-23 01:47:25,332 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 253 predicate places. [2024-11-23 01:47:25,332 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 311 transitions, 6239 flow [2024-11-23 01:47:25,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:25,332 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:25,332 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:25,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-23 01:47:25,333 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:25,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:25,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1285245086, now seen corresponding path program 6 times [2024-11-23 01:47:25,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:25,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990734259] [2024-11-23 01:47:25,333 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-23 01:47:25,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:25,351 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-23 01:47:25,351 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:25,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:25,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:25,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990734259] [2024-11-23 01:47:25,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990734259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:25,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:25,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:47:25,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121573651] [2024-11-23 01:47:25,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:25,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:47:25,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:25,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:47:25,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:47:25,668 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:25,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 311 transitions, 6239 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:25,668 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:25,668 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:25,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:26,359 INFO L124 PetriNetUnfolderBase]: 1175/2326 cut-off events. [2024-11-23 01:47:26,360 INFO L125 PetriNetUnfolderBase]: For 41852/41852 co-relation queries the response was YES. [2024-11-23 01:47:26,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16378 conditions, 2326 events. 1175/2326 cut-off events. For 41852/41852 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 15650 event pairs, 484 based on Foata normal form. 16/2342 useless extension candidates. Maximal degree in co-relation 16065. Up to 1732 conditions per place. [2024-11-23 01:47:26,377 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 254 selfloop transitions, 92 changer transitions 12/358 dead transitions. [2024-11-23 01:47:26,378 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 358 transitions, 7191 flow [2024-11-23 01:47:26,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 01:47:26,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-23 01:47:26,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 160 transitions. [2024-11-23 01:47:26,379 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3137254901960784 [2024-11-23 01:47:26,379 INFO L175 Difference]: Start difference. First operand has 288 places, 311 transitions, 6239 flow. Second operand 15 states and 160 transitions. [2024-11-23 01:47:26,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 358 transitions, 7191 flow [2024-11-23 01:47:26,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 358 transitions, 7000 flow, removed 17 selfloop flow, removed 12 redundant places. [2024-11-23 01:47:26,527 INFO L231 Difference]: Finished difference. Result has 291 places, 311 transitions, 6258 flow [2024-11-23 01:47:26,527 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6051, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6258, PETRI_PLACES=291, PETRI_TRANSITIONS=311} [2024-11-23 01:47:26,528 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 256 predicate places. [2024-11-23 01:47:26,528 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 311 transitions, 6258 flow [2024-11-23 01:47:26,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:26,528 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:26,528 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:26,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-23 01:47:26,528 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:26,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:26,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1139265566, now seen corresponding path program 1 times [2024-11-23 01:47:26,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:26,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257595058] [2024-11-23 01:47:26,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:47:26,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:47:26,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:26,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:26,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257595058] [2024-11-23 01:47:26,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257595058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:26,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:26,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 01:47:26,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422308585] [2024-11-23 01:47:26,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:26,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 01:47:26,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:26,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 01:47:26,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 01:47:26,758 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:26,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 311 transitions, 6258 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:26,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:26,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:26,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:27,548 INFO L124 PetriNetUnfolderBase]: 1093/2172 cut-off events. [2024-11-23 01:47:27,548 INFO L125 PetriNetUnfolderBase]: For 42385/42385 co-relation queries the response was YES. [2024-11-23 01:47:27,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15587 conditions, 2172 events. 1093/2172 cut-off events. For 42385/42385 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 14419 event pairs, 225 based on Foata normal form. 32/2204 useless extension candidates. Maximal degree in co-relation 15276. Up to 490 conditions per place. [2024-11-23 01:47:27,577 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 212 selfloop transitions, 123 changer transitions 32/367 dead transitions. [2024-11-23 01:47:27,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 367 transitions, 7425 flow [2024-11-23 01:47:27,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-23 01:47:27,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-23 01:47:27,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 185 transitions. [2024-11-23 01:47:27,582 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32006920415224915 [2024-11-23 01:47:27,582 INFO L175 Difference]: Start difference. First operand has 291 places, 311 transitions, 6258 flow. Second operand 17 states and 185 transitions. [2024-11-23 01:47:27,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 367 transitions, 7425 flow [2024-11-23 01:47:27,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 367 transitions, 7245 flow, removed 12 selfloop flow, removed 8 redundant places. [2024-11-23 01:47:27,785 INFO L231 Difference]: Finished difference. Result has 300 places, 296 transitions, 5964 flow [2024-11-23 01:47:27,785 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6061, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=5964, PETRI_PLACES=300, PETRI_TRANSITIONS=296} [2024-11-23 01:47:27,785 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 265 predicate places. [2024-11-23 01:47:27,786 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 296 transitions, 5964 flow [2024-11-23 01:47:27,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:27,786 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:27,786 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:27,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-23 01:47:27,786 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:27,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:27,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1139480605, now seen corresponding path program 2 times [2024-11-23 01:47:27,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:27,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883944486] [2024-11-23 01:47:27,787 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:47:27,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:27,805 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 01:47:27,805 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:28,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:28,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:28,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883944486] [2024-11-23 01:47:28,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883944486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:28,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:28,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:47:28,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907115893] [2024-11-23 01:47:28,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:28,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:47:28,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:28,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:47:28,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:47:28,102 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:28,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 296 transitions, 5964 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:28,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:28,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:28,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:28,761 INFO L124 PetriNetUnfolderBase]: 982/1953 cut-off events. [2024-11-23 01:47:28,762 INFO L125 PetriNetUnfolderBase]: For 38143/38143 co-relation queries the response was YES. [2024-11-23 01:47:28,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14423 conditions, 1953 events. 982/1953 cut-off events. For 38143/38143 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 12587 event pairs, 396 based on Foata normal form. 16/1969 useless extension candidates. Maximal degree in co-relation 14111. Up to 1479 conditions per place. [2024-11-23 01:47:28,782 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 197 selfloop transitions, 58 changer transitions 67/322 dead transitions. [2024-11-23 01:47:28,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 322 transitions, 6656 flow [2024-11-23 01:47:28,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 01:47:28,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-23 01:47:28,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 143 transitions. [2024-11-23 01:47:28,788 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3004201680672269 [2024-11-23 01:47:28,788 INFO L175 Difference]: Start difference. First operand has 300 places, 296 transitions, 5964 flow. Second operand 14 states and 143 transitions. [2024-11-23 01:47:28,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 322 transitions, 6656 flow [2024-11-23 01:47:28,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 322 transitions, 6365 flow, removed 29 selfloop flow, removed 13 redundant places. [2024-11-23 01:47:28,953 INFO L231 Difference]: Finished difference. Result has 292 places, 241 transitions, 4628 flow [2024-11-23 01:47:28,957 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5641, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=4628, PETRI_PLACES=292, PETRI_TRANSITIONS=241} [2024-11-23 01:47:28,958 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 257 predicate places. [2024-11-23 01:47:28,962 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 241 transitions, 4628 flow [2024-11-23 01:47:28,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:28,962 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:28,963 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:28,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-23 01:47:28,963 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:28,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:28,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1986023714, now seen corresponding path program 7 times [2024-11-23 01:47:28,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:28,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243626230] [2024-11-23 01:47:28,963 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-23 01:47:28,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:47:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:29,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:29,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243626230] [2024-11-23 01:47:29,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243626230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:29,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:29,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 01:47:29,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201818966] [2024-11-23 01:47:29,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:29,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 01:47:29,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:29,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 01:47:29,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 01:47:29,240 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:29,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 241 transitions, 4628 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:29,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:29,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:29,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:29,978 INFO L124 PetriNetUnfolderBase]: 951/1908 cut-off events. [2024-11-23 01:47:29,978 INFO L125 PetriNetUnfolderBase]: For 30415/30415 co-relation queries the response was YES. [2024-11-23 01:47:29,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12768 conditions, 1908 events. 951/1908 cut-off events. For 30415/30415 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 12414 event pairs, 165 based on Foata normal form. 48/1956 useless extension candidates. Maximal degree in co-relation 12537. Up to 583 conditions per place. [2024-11-23 01:47:29,996 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 189 selfloop transitions, 116 changer transitions 7/312 dead transitions. [2024-11-23 01:47:29,996 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 312 transitions, 5901 flow [2024-11-23 01:47:29,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-23 01:47:29,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-23 01:47:29,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 188 transitions. [2024-11-23 01:47:30,000 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32525951557093424 [2024-11-23 01:47:30,000 INFO L175 Difference]: Start difference. First operand has 292 places, 241 transitions, 4628 flow. Second operand 17 states and 188 transitions. [2024-11-23 01:47:30,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 312 transitions, 5901 flow [2024-11-23 01:47:30,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 312 transitions, 5412 flow, removed 44 selfloop flow, removed 35 redundant places. [2024-11-23 01:47:30,098 INFO L231 Difference]: Finished difference. Result has 268 places, 253 transitions, 4691 flow [2024-11-23 01:47:30,098 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4183, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=4691, PETRI_PLACES=268, PETRI_TRANSITIONS=253} [2024-11-23 01:47:30,098 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 233 predicate places. [2024-11-23 01:47:30,098 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 253 transitions, 4691 flow [2024-11-23 01:47:30,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:30,099 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:30,099 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:30,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-23 01:47:30,099 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:30,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:30,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1986023715, now seen corresponding path program 3 times [2024-11-23 01:47:30,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:30,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796079774] [2024-11-23 01:47:30,100 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 01:47:30,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:30,113 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 01:47:30,113 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:30,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:30,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:30,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796079774] [2024-11-23 01:47:30,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796079774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:30,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:30,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:47:30,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416168202] [2024-11-23 01:47:30,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:30,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:47:30,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:30,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:47:30,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:47:30,407 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:30,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 253 transitions, 4691 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:30,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:30,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:30,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:31,110 INFO L124 PetriNetUnfolderBase]: 879/1768 cut-off events. [2024-11-23 01:47:31,110 INFO L125 PetriNetUnfolderBase]: For 26828/26828 co-relation queries the response was YES. [2024-11-23 01:47:31,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11932 conditions, 1768 events. 879/1768 cut-off events. For 26828/26828 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 11273 event pairs, 290 based on Foata normal form. 38/1806 useless extension candidates. Maximal degree in co-relation 11705. Up to 781 conditions per place. [2024-11-23 01:47:31,125 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 190 selfloop transitions, 79 changer transitions 50/319 dead transitions. [2024-11-23 01:47:31,125 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 319 transitions, 5863 flow [2024-11-23 01:47:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-23 01:47:31,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-23 01:47:31,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 219 transitions. [2024-11-23 01:47:31,127 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.28005115089514065 [2024-11-23 01:47:31,127 INFO L175 Difference]: Start difference. First operand has 268 places, 253 transitions, 4691 flow. Second operand 23 states and 219 transitions. [2024-11-23 01:47:31,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 319 transitions, 5863 flow [2024-11-23 01:47:31,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 319 transitions, 5551 flow, removed 38 selfloop flow, removed 10 redundant places. [2024-11-23 01:47:31,220 INFO L231 Difference]: Finished difference. Result has 280 places, 230 transitions, 4133 flow [2024-11-23 01:47:31,220 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4381, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=4133, PETRI_PLACES=280, PETRI_TRANSITIONS=230} [2024-11-23 01:47:31,221 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 245 predicate places. [2024-11-23 01:47:31,221 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 230 transitions, 4133 flow [2024-11-23 01:47:31,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:31,221 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:31,221 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:31,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-23 01:47:31,221 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:31,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:31,222 INFO L85 PathProgramCache]: Analyzing trace with hash 468706782, now seen corresponding path program 2 times [2024-11-23 01:47:31,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:31,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967075983] [2024-11-23 01:47:31,222 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:47:31,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:31,237 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 01:47:31,237 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:31,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:31,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:31,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967075983] [2024-11-23 01:47:31,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967075983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:31,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:31,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 01:47:31,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041849326] [2024-11-23 01:47:31,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:31,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 01:47:31,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:31,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 01:47:31,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-23 01:47:31,610 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:31,611 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 230 transitions, 4133 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:31,611 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:31,611 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:31,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:32,528 INFO L124 PetriNetUnfolderBase]: 826/1645 cut-off events. [2024-11-23 01:47:32,528 INFO L125 PetriNetUnfolderBase]: For 21862/21862 co-relation queries the response was YES. [2024-11-23 01:47:32,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10902 conditions, 1645 events. 826/1645 cut-off events. For 21862/21862 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 10169 event pairs, 267 based on Foata normal form. 16/1661 useless extension candidates. Maximal degree in co-relation 10678. Up to 797 conditions per place. [2024-11-23 01:47:32,543 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 181 selfloop transitions, 106 changer transitions 5/292 dead transitions. [2024-11-23 01:47:32,543 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 292 transitions, 5255 flow [2024-11-23 01:47:32,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-23 01:47:32,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2024-11-23 01:47:32,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 240 transitions. [2024-11-23 01:47:32,544 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.26143790849673204 [2024-11-23 01:47:32,545 INFO L175 Difference]: Start difference. First operand has 280 places, 230 transitions, 4133 flow. Second operand 27 states and 240 transitions. [2024-11-23 01:47:32,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 292 transitions, 5255 flow [2024-11-23 01:47:32,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 292 transitions, 4942 flow, removed 47 selfloop flow, removed 16 redundant places. [2024-11-23 01:47:32,612 INFO L231 Difference]: Finished difference. Result has 287 places, 244 transitions, 4423 flow [2024-11-23 01:47:32,612 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3878, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=4423, PETRI_PLACES=287, PETRI_TRANSITIONS=244} [2024-11-23 01:47:32,612 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 252 predicate places. [2024-11-23 01:47:32,613 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 244 transitions, 4423 flow [2024-11-23 01:47:32,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:32,613 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:32,613 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:32,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-23 01:47:32,613 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:32,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:32,614 INFO L85 PathProgramCache]: Analyzing trace with hash 728782212, now seen corresponding path program 3 times [2024-11-23 01:47:32,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:32,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857614406] [2024-11-23 01:47:32,614 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 01:47:32,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:32,628 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 01:47:32,630 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:32,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:32,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:32,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857614406] [2024-11-23 01:47:32,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857614406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:32,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:32,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 01:47:32,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927366475] [2024-11-23 01:47:32,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:32,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 01:47:32,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:32,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 01:47:32,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-23 01:47:32,979 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:32,980 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 244 transitions, 4423 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:32,980 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:32,980 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:32,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:33,917 INFO L124 PetriNetUnfolderBase]: 944/1883 cut-off events. [2024-11-23 01:47:33,917 INFO L125 PetriNetUnfolderBase]: For 21270/21270 co-relation queries the response was YES. [2024-11-23 01:47:33,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11984 conditions, 1883 events. 944/1883 cut-off events. For 21270/21270 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 12160 event pairs, 275 based on Foata normal form. 8/1891 useless extension candidates. Maximal degree in co-relation 11760. Up to 833 conditions per place. [2024-11-23 01:47:33,935 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 189 selfloop transitions, 115 changer transitions 5/309 dead transitions. [2024-11-23 01:47:33,935 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 309 transitions, 5458 flow [2024-11-23 01:47:33,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-23 01:47:33,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-11-23 01:47:33,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 227 transitions. [2024-11-23 01:47:33,936 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.25678733031674206 [2024-11-23 01:47:33,937 INFO L175 Difference]: Start difference. First operand has 287 places, 244 transitions, 4423 flow. Second operand 26 states and 227 transitions. [2024-11-23 01:47:33,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 309 transitions, 5458 flow [2024-11-23 01:47:34,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 309 transitions, 5303 flow, removed 15 selfloop flow, removed 14 redundant places. [2024-11-23 01:47:34,013 INFO L231 Difference]: Finished difference. Result has 300 places, 252 transitions, 4705 flow [2024-11-23 01:47:34,014 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4274, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=4705, PETRI_PLACES=300, PETRI_TRANSITIONS=252} [2024-11-23 01:47:34,014 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 265 predicate places. [2024-11-23 01:47:34,014 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 252 transitions, 4705 flow [2024-11-23 01:47:34,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:34,014 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:34,014 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:34,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-23 01:47:34,015 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:34,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:34,015 INFO L85 PathProgramCache]: Analyzing trace with hash 487783842, now seen corresponding path program 8 times [2024-11-23 01:47:34,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:34,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836068619] [2024-11-23 01:47:34,015 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:47:34,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:34,028 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 01:47:34,029 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:34,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:34,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:34,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836068619] [2024-11-23 01:47:34,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836068619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:34,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:34,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 01:47:34,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027102649] [2024-11-23 01:47:34,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:34,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 01:47:34,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:34,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 01:47:34,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 01:47:34,195 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:34,195 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 252 transitions, 4705 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:34,195 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:34,195 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:34,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:34,932 INFO L124 PetriNetUnfolderBase]: 988/1989 cut-off events. [2024-11-23 01:47:34,933 INFO L125 PetriNetUnfolderBase]: For 25126/25126 co-relation queries the response was YES. [2024-11-23 01:47:34,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12738 conditions, 1989 events. 988/1989 cut-off events. For 25126/25126 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 13204 event pairs, 179 based on Foata normal form. 38/2027 useless extension candidates. Maximal degree in co-relation 12387. Up to 313 conditions per place. [2024-11-23 01:47:34,951 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 202 selfloop transitions, 112 changer transitions 9/323 dead transitions. [2024-11-23 01:47:34,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 323 transitions, 5858 flow [2024-11-23 01:47:34,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 01:47:34,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-23 01:47:34,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 210 transitions. [2024-11-23 01:47:34,952 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32507739938080493 [2024-11-23 01:47:34,952 INFO L175 Difference]: Start difference. First operand has 300 places, 252 transitions, 4705 flow. Second operand 19 states and 210 transitions. [2024-11-23 01:47:34,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 323 transitions, 5858 flow [2024-11-23 01:47:35,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 323 transitions, 5726 flow, removed 30 selfloop flow, removed 12 redundant places. [2024-11-23 01:47:35,042 INFO L231 Difference]: Finished difference. Result has 311 places, 252 transitions, 4880 flow [2024-11-23 01:47:35,042 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4611, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4880, PETRI_PLACES=311, PETRI_TRANSITIONS=252} [2024-11-23 01:47:35,046 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 276 predicate places. [2024-11-23 01:47:35,046 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 252 transitions, 4880 flow [2024-11-23 01:47:35,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:35,046 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:35,047 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:35,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-23 01:47:35,047 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:35,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:35,047 INFO L85 PathProgramCache]: Analyzing trace with hash -2114789132, now seen corresponding path program 4 times [2024-11-23 01:47:35,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:35,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105600750] [2024-11-23 01:47:35,047 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 01:47:35,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:35,075 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 01:47:35,075 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:35,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:35,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:35,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105600750] [2024-11-23 01:47:35,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105600750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:35,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:35,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:47:35,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214659971] [2024-11-23 01:47:35,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:35,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:47:35,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:35,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:47:35,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:47:35,407 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:35,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 252 transitions, 4880 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:35,408 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:35,408 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:35,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:36,291 INFO L124 PetriNetUnfolderBase]: 884/1799 cut-off events. [2024-11-23 01:47:36,291 INFO L125 PetriNetUnfolderBase]: For 25093/25093 co-relation queries the response was YES. [2024-11-23 01:47:36,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11904 conditions, 1799 events. 884/1799 cut-off events. For 25093/25093 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 11752 event pairs, 236 based on Foata normal form. 56/1855 useless extension candidates. Maximal degree in co-relation 11656. Up to 983 conditions per place. [2024-11-23 01:47:36,314 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 217 selfloop transitions, 91 changer transitions 5/313 dead transitions. [2024-11-23 01:47:36,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 313 transitions, 5836 flow [2024-11-23 01:47:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-23 01:47:36,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2024-11-23 01:47:36,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 250 transitions. [2024-11-23 01:47:36,315 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.26260504201680673 [2024-11-23 01:47:36,316 INFO L175 Difference]: Start difference. First operand has 311 places, 252 transitions, 4880 flow. Second operand 28 states and 250 transitions. [2024-11-23 01:47:36,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 313 transitions, 5836 flow [2024-11-23 01:47:36,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 313 transitions, 5223 flow, removed 120 selfloop flow, removed 30 redundant places. [2024-11-23 01:47:36,416 INFO L231 Difference]: Finished difference. Result has 307 places, 253 transitions, 4506 flow [2024-11-23 01:47:36,417 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4310, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=4506, PETRI_PLACES=307, PETRI_TRANSITIONS=253} [2024-11-23 01:47:36,417 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 272 predicate places. [2024-11-23 01:47:36,417 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 253 transitions, 4506 flow [2024-11-23 01:47:36,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:36,418 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:36,418 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:36,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-23 01:47:36,418 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:36,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:36,418 INFO L85 PathProgramCache]: Analyzing trace with hash 294059473, now seen corresponding path program 2 times [2024-11-23 01:47:36,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:36,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497303538] [2024-11-23 01:47:36,419 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:47:36,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:36,437 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 01:47:36,437 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:36,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:36,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:36,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497303538] [2024-11-23 01:47:36,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497303538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:36,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:36,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 01:47:36,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285042852] [2024-11-23 01:47:36,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:36,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 01:47:36,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:36,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 01:47:36,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-23 01:47:36,765 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:36,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 253 transitions, 4506 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:36,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:36,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:36,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:37,553 INFO L124 PetriNetUnfolderBase]: 844/1727 cut-off events. [2024-11-23 01:47:37,553 INFO L125 PetriNetUnfolderBase]: For 15995/15995 co-relation queries the response was YES. [2024-11-23 01:47:37,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10624 conditions, 1727 events. 844/1727 cut-off events. For 15995/15995 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 11211 event pairs, 308 based on Foata normal form. 32/1759 useless extension candidates. Maximal degree in co-relation 10233. Up to 646 conditions per place. [2024-11-23 01:47:37,568 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 178 selfloop transitions, 80 changer transitions 40/298 dead transitions. [2024-11-23 01:47:37,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 298 transitions, 5328 flow [2024-11-23 01:47:37,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-23 01:47:37,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-23 01:47:37,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 218 transitions. [2024-11-23 01:47:37,569 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.26715686274509803 [2024-11-23 01:47:37,569 INFO L175 Difference]: Start difference. First operand has 307 places, 253 transitions, 4506 flow. Second operand 24 states and 218 transitions. [2024-11-23 01:47:37,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 298 transitions, 5328 flow [2024-11-23 01:47:37,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 298 transitions, 5066 flow, removed 6 selfloop flow, removed 24 redundant places. [2024-11-23 01:47:37,629 INFO L231 Difference]: Finished difference. Result has 307 places, 230 transitions, 3935 flow [2024-11-23 01:47:37,629 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4238, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3935, PETRI_PLACES=307, PETRI_TRANSITIONS=230} [2024-11-23 01:47:37,630 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 272 predicate places. [2024-11-23 01:47:37,630 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 230 transitions, 3935 flow [2024-11-23 01:47:37,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:37,631 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:37,631 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:37,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-23 01:47:37,631 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:37,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:37,631 INFO L85 PathProgramCache]: Analyzing trace with hash 293844433, now seen corresponding path program 4 times [2024-11-23 01:47:37,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:37,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840784874] [2024-11-23 01:47:37,632 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 01:47:37,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:37,646 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 01:47:37,646 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:37,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:37,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:37,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840784874] [2024-11-23 01:47:37,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840784874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:37,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:37,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:47:37,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092593843] [2024-11-23 01:47:37,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:37,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:47:37,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:37,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:47:37,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:47:37,925 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:37,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 230 transitions, 3935 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:37,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:37,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:37,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:38,463 INFO L124 PetriNetUnfolderBase]: 734/1527 cut-off events. [2024-11-23 01:47:38,467 INFO L125 PetriNetUnfolderBase]: For 13093/13093 co-relation queries the response was YES. [2024-11-23 01:47:38,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9005 conditions, 1527 events. 734/1527 cut-off events. For 13093/13093 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 9712 event pairs, 290 based on Foata normal form. 28/1555 useless extension candidates. Maximal degree in co-relation 8699. Up to 573 conditions per place. [2024-11-23 01:47:38,481 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 143 selfloop transitions, 68 changer transitions 63/274 dead transitions. [2024-11-23 01:47:38,481 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 274 transitions, 4769 flow [2024-11-23 01:47:38,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 01:47:38,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-23 01:47:38,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 196 transitions. [2024-11-23 01:47:38,482 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.27450980392156865 [2024-11-23 01:47:38,482 INFO L175 Difference]: Start difference. First operand has 307 places, 230 transitions, 3935 flow. Second operand 21 states and 196 transitions. [2024-11-23 01:47:38,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 274 transitions, 4769 flow [2024-11-23 01:47:38,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 274 transitions, 4438 flow, removed 20 selfloop flow, removed 29 redundant places. [2024-11-23 01:47:38,520 INFO L231 Difference]: Finished difference. Result has 292 places, 190 transitions, 3026 flow [2024-11-23 01:47:38,520 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3583, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=3026, PETRI_PLACES=292, PETRI_TRANSITIONS=190} [2024-11-23 01:47:38,521 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 257 predicate places. [2024-11-23 01:47:38,521 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 190 transitions, 3026 flow [2024-11-23 01:47:38,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:38,521 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:38,521 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:38,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-23 01:47:38,521 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:38,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:38,522 INFO L85 PathProgramCache]: Analyzing trace with hash -710199932, now seen corresponding path program 9 times [2024-11-23 01:47:38,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:38,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806145128] [2024-11-23 01:47:38,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 01:47:38,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:38,534 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 01:47:38,534 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:38,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:38,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:38,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806145128] [2024-11-23 01:47:38,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806145128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:38,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:38,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:47:38,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204332353] [2024-11-23 01:47:38,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:38,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:47:38,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:38,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:47:38,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:47:38,793 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:38,793 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 190 transitions, 3026 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:38,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:38,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:38,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:39,215 INFO L124 PetriNetUnfolderBase]: 584/1215 cut-off events. [2024-11-23 01:47:39,216 INFO L125 PetriNetUnfolderBase]: For 7242/7242 co-relation queries the response was YES. [2024-11-23 01:47:39,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6691 conditions, 1215 events. 584/1215 cut-off events. For 7242/7242 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 7361 event pairs, 225 based on Foata normal form. 22/1237 useless extension candidates. Maximal degree in co-relation 6638. Up to 796 conditions per place. [2024-11-23 01:47:39,224 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 164 selfloop transitions, 47 changer transitions 11/222 dead transitions. [2024-11-23 01:47:39,224 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 222 transitions, 3504 flow [2024-11-23 01:47:39,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 01:47:39,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-23 01:47:39,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 158 transitions. [2024-11-23 01:47:39,225 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.29044117647058826 [2024-11-23 01:47:39,225 INFO L175 Difference]: Start difference. First operand has 292 places, 190 transitions, 3026 flow. Second operand 16 states and 158 transitions. [2024-11-23 01:47:39,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 222 transitions, 3504 flow [2024-11-23 01:47:39,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 222 transitions, 3113 flow, removed 11 selfloop flow, removed 37 redundant places. [2024-11-23 01:47:39,245 INFO L231 Difference]: Finished difference. Result has 255 places, 180 transitions, 2592 flow [2024-11-23 01:47:39,245 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2592, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2592, PETRI_PLACES=255, PETRI_TRANSITIONS=180} [2024-11-23 01:47:39,245 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 220 predicate places. [2024-11-23 01:47:39,246 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 180 transitions, 2592 flow [2024-11-23 01:47:39,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:39,246 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:39,246 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:39,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-23 01:47:39,246 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:39,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:39,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1986238755, now seen corresponding path program 3 times [2024-11-23 01:47:39,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:39,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523662936] [2024-11-23 01:47:39,247 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 01:47:39,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:39,258 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 01:47:39,258 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:39,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:39,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:39,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523662936] [2024-11-23 01:47:39,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523662936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:39,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:39,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 01:47:39,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502576312] [2024-11-23 01:47:39,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:39,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 01:47:39,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:39,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 01:47:39,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-23 01:47:39,581 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:39,581 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 180 transitions, 2592 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:39,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:39,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:39,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:40,188 INFO L124 PetriNetUnfolderBase]: 538/1137 cut-off events. [2024-11-23 01:47:40,188 INFO L125 PetriNetUnfolderBase]: For 4122/4122 co-relation queries the response was YES. [2024-11-23 01:47:40,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6125 conditions, 1137 events. 538/1137 cut-off events. For 4122/4122 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 6848 event pairs, 179 based on Foata normal form. 48/1185 useless extension candidates. Maximal degree in co-relation 6085. Up to 414 conditions per place. [2024-11-23 01:47:40,194 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 96 selfloop transitions, 53 changer transitions 62/211 dead transitions. [2024-11-23 01:47:40,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 211 transitions, 3087 flow [2024-11-23 01:47:40,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-23 01:47:40,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-23 01:47:40,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 204 transitions. [2024-11-23 01:47:40,195 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.25 [2024-11-23 01:47:40,195 INFO L175 Difference]: Start difference. First operand has 255 places, 180 transitions, 2592 flow. Second operand 24 states and 204 transitions. [2024-11-23 01:47:40,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 211 transitions, 3087 flow [2024-11-23 01:47:40,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 211 transitions, 2789 flow, removed 8 selfloop flow, removed 22 redundant places. [2024-11-23 01:47:40,208 INFO L231 Difference]: Finished difference. Result has 255 places, 130 transitions, 1624 flow [2024-11-23 01:47:40,208 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2263, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=1624, PETRI_PLACES=255, PETRI_TRANSITIONS=130} [2024-11-23 01:47:40,208 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 220 predicate places. [2024-11-23 01:47:40,208 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 130 transitions, 1624 flow [2024-11-23 01:47:40,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:40,209 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:40,209 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:40,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-23 01:47:40,209 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:40,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:40,209 INFO L85 PathProgramCache]: Analyzing trace with hash 728782213, now seen corresponding path program 4 times [2024-11-23 01:47:40,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:40,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813029953] [2024-11-23 01:47:40,210 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 01:47:40,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:40,221 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 01:47:40,221 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:40,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:40,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:40,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813029953] [2024-11-23 01:47:40,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813029953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:40,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:40,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 01:47:40,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805109906] [2024-11-23 01:47:40,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:40,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 01:47:40,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:40,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 01:47:40,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-23 01:47:40,603 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:40,603 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 130 transitions, 1624 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:40,603 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:40,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:40,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:41,224 INFO L124 PetriNetUnfolderBase]: 359/776 cut-off events. [2024-11-23 01:47:41,224 INFO L125 PetriNetUnfolderBase]: For 1796/1796 co-relation queries the response was YES. [2024-11-23 01:47:41,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3804 conditions, 776 events. 359/776 cut-off events. For 1796/1796 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 4196 event pairs, 113 based on Foata normal form. 8/784 useless extension candidates. Maximal degree in co-relation 3770. Up to 414 conditions per place. [2024-11-23 01:47:41,231 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 96 selfloop transitions, 54 changer transitions 15/165 dead transitions. [2024-11-23 01:47:41,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 165 transitions, 2063 flow [2024-11-23 01:47:41,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-23 01:47:41,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-23 01:47:41,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 182 transitions. [2024-11-23 01:47:41,232 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.24331550802139038 [2024-11-23 01:47:41,232 INFO L175 Difference]: Start difference. First operand has 255 places, 130 transitions, 1624 flow. Second operand 22 states and 182 transitions. [2024-11-23 01:47:41,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 165 transitions, 2063 flow [2024-11-23 01:47:41,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 165 transitions, 1804 flow, removed 10 selfloop flow, removed 43 redundant places. [2024-11-23 01:47:41,238 INFO L231 Difference]: Finished difference. Result has 209 places, 121 transitions, 1404 flow [2024-11-23 01:47:41,238 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1349, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1404, PETRI_PLACES=209, PETRI_TRANSITIONS=121} [2024-11-23 01:47:41,239 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 174 predicate places. [2024-11-23 01:47:41,239 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 121 transitions, 1404 flow [2024-11-23 01:47:41,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:41,239 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:41,239 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:41,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-23 01:47:41,239 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:41,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:41,240 INFO L85 PathProgramCache]: Analyzing trace with hash 718057453, now seen corresponding path program 5 times [2024-11-23 01:47:41,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:41,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626663397] [2024-11-23 01:47:41,241 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 01:47:41,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:41,253 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 01:47:41,254 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:41,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:41,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:41,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626663397] [2024-11-23 01:47:41,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626663397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:41,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:41,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 01:47:41,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186945866] [2024-11-23 01:47:41,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:41,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 01:47:41,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:41,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 01:47:41,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-23 01:47:41,559 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:41,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 121 transitions, 1404 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:41,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:41,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:41,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:42,088 INFO L124 PetriNetUnfolderBase]: 303/672 cut-off events. [2024-11-23 01:47:42,088 INFO L125 PetriNetUnfolderBase]: For 1202/1202 co-relation queries the response was YES. [2024-11-23 01:47:42,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3222 conditions, 672 events. 303/672 cut-off events. For 1202/1202 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3538 event pairs, 102 based on Foata normal form. 16/688 useless extension candidates. Maximal degree in co-relation 3202. Up to 414 conditions per place. [2024-11-23 01:47:42,091 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 67 selfloop transitions, 36 changer transitions 40/143 dead transitions. [2024-11-23 01:47:42,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 143 transitions, 1724 flow [2024-11-23 01:47:42,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-23 01:47:42,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-23 01:47:42,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 169 transitions. [2024-11-23 01:47:42,096 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.22593582887700533 [2024-11-23 01:47:42,096 INFO L175 Difference]: Start difference. First operand has 209 places, 121 transitions, 1404 flow. Second operand 22 states and 169 transitions. [2024-11-23 01:47:42,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 143 transitions, 1724 flow [2024-11-23 01:47:42,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 143 transitions, 1540 flow, removed 0 selfloop flow, removed 24 redundant places. [2024-11-23 01:47:42,106 INFO L231 Difference]: Finished difference. Result has 195 places, 93 transitions, 1073 flow [2024-11-23 01:47:42,106 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1188, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1073, PETRI_PLACES=195, PETRI_TRANSITIONS=93} [2024-11-23 01:47:42,106 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 160 predicate places. [2024-11-23 01:47:42,106 INFO L471 AbstractCegarLoop]: Abstraction has has 195 places, 93 transitions, 1073 flow [2024-11-23 01:47:42,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:42,106 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:42,106 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:42,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-23 01:47:42,107 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:42,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:42,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1340752818, now seen corresponding path program 1 times [2024-11-23 01:47:42,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:42,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670661559] [2024-11-23 01:47:42,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:47:42,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:47:42,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:42,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:42,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670661559] [2024-11-23 01:47:42,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670661559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:42,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:42,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:47:42,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734729741] [2024-11-23 01:47:42,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:42,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:47:42,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:42,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:47:42,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:47:42,364 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:42,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 93 transitions, 1073 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:42,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:42,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:42,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:42,619 INFO L124 PetriNetUnfolderBase]: 244/551 cut-off events. [2024-11-23 01:47:42,619 INFO L125 PetriNetUnfolderBase]: For 810/810 co-relation queries the response was YES. [2024-11-23 01:47:42,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2648 conditions, 551 events. 244/551 cut-off events. For 810/810 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2775 event pairs, 138 based on Foata normal form. 6/557 useless extension candidates. Maximal degree in co-relation 2631. Up to 381 conditions per place. [2024-11-23 01:47:42,622 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 71 selfloop transitions, 27 changer transitions 22/120 dead transitions. [2024-11-23 01:47:42,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 120 transitions, 1414 flow [2024-11-23 01:47:42,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 01:47:42,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-23 01:47:42,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 119 transitions. [2024-11-23 01:47:42,623 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2692307692307692 [2024-11-23 01:47:42,623 INFO L175 Difference]: Start difference. First operand has 195 places, 93 transitions, 1073 flow. Second operand 13 states and 119 transitions. [2024-11-23 01:47:42,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 120 transitions, 1414 flow [2024-11-23 01:47:42,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 120 transitions, 1297 flow, removed 0 selfloop flow, removed 14 redundant places. [2024-11-23 01:47:42,627 INFO L231 Difference]: Finished difference. Result has 151 places, 83 transitions, 889 flow [2024-11-23 01:47:42,627 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=947, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=889, PETRI_PLACES=151, PETRI_TRANSITIONS=83} [2024-11-23 01:47:42,628 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 116 predicate places. [2024-11-23 01:47:42,628 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 83 transitions, 889 flow [2024-11-23 01:47:42,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:42,628 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:42,628 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:42,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-23 01:47:42,628 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:42,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:42,629 INFO L85 PathProgramCache]: Analyzing trace with hash 422805618, now seen corresponding path program 2 times [2024-11-23 01:47:42,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:42,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422849801] [2024-11-23 01:47:42,629 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:47:42,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:42,645 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 01:47:42,645 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:42,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:42,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:42,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422849801] [2024-11-23 01:47:42,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422849801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:42,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:42,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:47:42,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158177906] [2024-11-23 01:47:42,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:42,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:47:42,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:42,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:47:42,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:47:42,997 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:42,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 83 transitions, 889 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:42,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:42,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:42,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:43,372 INFO L124 PetriNetUnfolderBase]: 212/483 cut-off events. [2024-11-23 01:47:43,372 INFO L125 PetriNetUnfolderBase]: For 427/427 co-relation queries the response was YES. [2024-11-23 01:47:43,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2184 conditions, 483 events. 212/483 cut-off events. For 427/427 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2314 event pairs, 85 based on Foata normal form. 6/489 useless extension candidates. Maximal degree in co-relation 2168. Up to 314 conditions per place. [2024-11-23 01:47:43,375 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 39 selfloop transitions, 44 changer transitions 21/104 dead transitions. [2024-11-23 01:47:43,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 104 transitions, 1132 flow [2024-11-23 01:47:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-23 01:47:43,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-23 01:47:43,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 132 transitions. [2024-11-23 01:47:43,376 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.22837370242214533 [2024-11-23 01:47:43,376 INFO L175 Difference]: Start difference. First operand has 151 places, 83 transitions, 889 flow. Second operand 17 states and 132 transitions. [2024-11-23 01:47:43,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 104 transitions, 1132 flow [2024-11-23 01:47:43,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 104 transitions, 1016 flow, removed 1 selfloop flow, removed 17 redundant places. [2024-11-23 01:47:43,379 INFO L231 Difference]: Finished difference. Result has 142 places, 76 transitions, 795 flow [2024-11-23 01:47:43,379 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=759, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=795, PETRI_PLACES=142, PETRI_TRANSITIONS=76} [2024-11-23 01:47:43,380 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 107 predicate places. [2024-11-23 01:47:43,380 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 76 transitions, 795 flow [2024-11-23 01:47:43,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:43,380 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:43,380 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:43,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-23 01:47:43,380 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:43,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:43,380 INFO L85 PathProgramCache]: Analyzing trace with hash 536997132, now seen corresponding path program 3 times [2024-11-23 01:47:43,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:43,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799544340] [2024-11-23 01:47:43,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 01:47:43,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:43,396 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 01:47:43,396 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:43,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:43,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:43,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799544340] [2024-11-23 01:47:43,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799544340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:43,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:43,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:47:43,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181534414] [2024-11-23 01:47:43,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:43,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:47:43,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:43,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:47:43,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:47:43,650 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:43,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 76 transitions, 795 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:43,650 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:43,650 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:43,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:43,946 INFO L124 PetriNetUnfolderBase]: 185/420 cut-off events. [2024-11-23 01:47:43,946 INFO L125 PetriNetUnfolderBase]: For 343/343 co-relation queries the response was YES. [2024-11-23 01:47:43,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1914 conditions, 420 events. 185/420 cut-off events. For 343/343 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1913 event pairs, 90 based on Foata normal form. 6/424 useless extension candidates. Maximal degree in co-relation 1899. Up to 244 conditions per place. [2024-11-23 01:47:43,948 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 53 selfloop transitions, 22 changer transitions 27/102 dead transitions. [2024-11-23 01:47:43,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 102 transitions, 1048 flow [2024-11-23 01:47:43,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 01:47:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-23 01:47:43,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 133 transitions. [2024-11-23 01:47:43,949 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2607843137254902 [2024-11-23 01:47:43,949 INFO L175 Difference]: Start difference. First operand has 142 places, 76 transitions, 795 flow. Second operand 15 states and 133 transitions. [2024-11-23 01:47:43,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 102 transitions, 1048 flow [2024-11-23 01:47:43,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 102 transitions, 953 flow, removed 0 selfloop flow, removed 12 redundant places. [2024-11-23 01:47:43,951 INFO L231 Difference]: Finished difference. Result has 130 places, 59 transitions, 560 flow [2024-11-23 01:47:43,952 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=687, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=560, PETRI_PLACES=130, PETRI_TRANSITIONS=59} [2024-11-23 01:47:43,952 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 95 predicate places. [2024-11-23 01:47:43,952 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 59 transitions, 560 flow [2024-11-23 01:47:43,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:43,952 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:43,952 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:43,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-23 01:47:43,953 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:43,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:43,953 INFO L85 PathProgramCache]: Analyzing trace with hash -380950068, now seen corresponding path program 4 times [2024-11-23 01:47:43,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:43,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427282333] [2024-11-23 01:47:43,953 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 01:47:43,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:43,965 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 01:47:43,965 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:44,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:44,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:44,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427282333] [2024-11-23 01:47:44,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427282333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:44,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:44,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:47:44,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353212675] [2024-11-23 01:47:44,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:44,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:47:44,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:44,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:47:44,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:47:44,240 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:44,241 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 59 transitions, 560 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:44,241 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:44,241 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:44,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:44,569 INFO L124 PetriNetUnfolderBase]: 147/342 cut-off events. [2024-11-23 01:47:44,569 INFO L125 PetriNetUnfolderBase]: For 259/259 co-relation queries the response was YES. [2024-11-23 01:47:44,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1460 conditions, 342 events. 147/342 cut-off events. For 259/259 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1466 event pairs, 56 based on Foata normal form. 6/348 useless extension candidates. Maximal degree in co-relation 1445. Up to 206 conditions per place. [2024-11-23 01:47:44,571 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 28 selfloop transitions, 18 changer transitions 35/81 dead transitions. [2024-11-23 01:47:44,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 81 transitions, 762 flow [2024-11-23 01:47:44,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-23 01:47:44,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-23 01:47:44,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 135 transitions. [2024-11-23 01:47:44,572 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.23356401384083045 [2024-11-23 01:47:44,572 INFO L175 Difference]: Start difference. First operand has 130 places, 59 transitions, 560 flow. Second operand 17 states and 135 transitions. [2024-11-23 01:47:44,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 81 transitions, 762 flow [2024-11-23 01:47:44,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 81 transitions, 689 flow, removed 1 selfloop flow, removed 13 redundant places. [2024-11-23 01:47:44,573 INFO L231 Difference]: Finished difference. Result has 116 places, 41 transitions, 376 flow [2024-11-23 01:47:44,574 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=376, PETRI_PLACES=116, PETRI_TRANSITIONS=41} [2024-11-23 01:47:44,574 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 81 predicate places. [2024-11-23 01:47:44,574 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 41 transitions, 376 flow [2024-11-23 01:47:44,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:44,574 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:44,574 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:44,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-23 01:47:44,574 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:44,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:44,575 INFO L85 PathProgramCache]: Analyzing trace with hash 156956044, now seen corresponding path program 5 times [2024-11-23 01:47:44,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:44,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665130463] [2024-11-23 01:47:44,575 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 01:47:44,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:44,586 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 01:47:44,587 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:44,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:44,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:44,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665130463] [2024-11-23 01:47:44,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665130463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:44,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:44,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:47:44,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983317070] [2024-11-23 01:47:44,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:44,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:47:44,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:44,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:47:44,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:47:44,836 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:44,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 41 transitions, 376 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:44,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:44,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:44,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:45,128 INFO L124 PetriNetUnfolderBase]: 102/237 cut-off events. [2024-11-23 01:47:45,129 INFO L125 PetriNetUnfolderBase]: For 202/202 co-relation queries the response was YES. [2024-11-23 01:47:45,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 962 conditions, 237 events. 102/237 cut-off events. For 202/202 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 928 event pairs, 4 based on Foata normal form. 12/249 useless extension candidates. Maximal degree in co-relation 949. Up to 96 conditions per place. [2024-11-23 01:47:45,130 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 22 selfloop transitions, 15 changer transitions 23/60 dead transitions. [2024-11-23 01:47:45,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 60 transitions, 530 flow [2024-11-23 01:47:45,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 01:47:45,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-23 01:47:45,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 117 transitions. [2024-11-23 01:47:45,130 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.21507352941176472 [2024-11-23 01:47:45,131 INFO L175 Difference]: Start difference. First operand has 116 places, 41 transitions, 376 flow. Second operand 16 states and 117 transitions. [2024-11-23 01:47:45,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 60 transitions, 530 flow [2024-11-23 01:47:45,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 60 transitions, 462 flow, removed 1 selfloop flow, removed 17 redundant places. [2024-11-23 01:47:45,132 INFO L231 Difference]: Finished difference. Result has 90 places, 28 transitions, 193 flow [2024-11-23 01:47:45,132 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=193, PETRI_PLACES=90, PETRI_TRANSITIONS=28} [2024-11-23 01:47:45,132 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 55 predicate places. [2024-11-23 01:47:45,132 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 28 transitions, 193 flow [2024-11-23 01:47:45,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:45,133 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:45,133 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:45,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-23 01:47:45,133 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 01:47:45,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:45,133 INFO L85 PathProgramCache]: Analyzing trace with hash -760991156, now seen corresponding path program 6 times [2024-11-23 01:47:45,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:45,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593631923] [2024-11-23 01:47:45,133 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-23 01:47:45,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:45,146 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-23 01:47:45,146 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:47:45,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:45,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:45,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593631923] [2024-11-23 01:47:45,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593631923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:45,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:45,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:47:45,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675839132] [2024-11-23 01:47:45,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:45,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:47:45,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:45,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:47:45,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:47:45,418 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 01:47:45,418 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 28 transitions, 193 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:45,418 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:45,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 01:47:45,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:45,625 INFO L124 PetriNetUnfolderBase]: 50/125 cut-off events. [2024-11-23 01:47:45,625 INFO L125 PetriNetUnfolderBase]: For 84/84 co-relation queries the response was YES. [2024-11-23 01:47:45,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 125 events. 50/125 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 371 event pairs, 0 based on Foata normal form. 12/137 useless extension candidates. Maximal degree in co-relation 441. Up to 48 conditions per place. [2024-11-23 01:47:45,625 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 0 selfloop transitions, 0 changer transitions 40/40 dead transitions. [2024-11-23 01:47:45,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 40 transitions, 290 flow [2024-11-23 01:47:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 01:47:45,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-23 01:47:45,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 90 transitions. [2024-11-23 01:47:45,626 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.20361990950226244 [2024-11-23 01:47:45,626 INFO L175 Difference]: Start difference. First operand has 90 places, 28 transitions, 193 flow. Second operand 13 states and 90 transitions. [2024-11-23 01:47:45,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 40 transitions, 290 flow [2024-11-23 01:47:45,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 40 transitions, 230 flow, removed 1 selfloop flow, removed 18 redundant places. [2024-11-23 01:47:45,627 INFO L231 Difference]: Finished difference. Result has 64 places, 0 transitions, 0 flow [2024-11-23 01:47:45,627 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=64, PETRI_TRANSITIONS=0} [2024-11-23 01:47:45,628 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 29 predicate places. [2024-11-23 01:47:45,628 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 0 transitions, 0 flow [2024-11-23 01:47:45,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:47:45,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-11-23 01:47:45,631 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-11-23 01:47:45,631 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-23 01:47:45,631 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-23 01:47:45,631 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-23 01:47:45,631 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-23 01:47:45,632 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-23 01:47:45,632 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-23 01:47:45,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-23 01:47:45,632 INFO L407 BasicCegarLoop]: Path program histogram: [9, 6, 5, 4, 4, 4, 3, 3, 1, 1, 1] [2024-11-23 01:47:45,639 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 01:47:45,639 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 01:47:45,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:47:45 BasicIcfg [2024-11-23 01:47:45,643 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 01:47:45,643 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 01:47:45,644 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 01:47:45,644 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 01:47:45,644 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:57" (3/4) ... [2024-11-23 01:47:45,645 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-23 01:47:45,647 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-23 01:47:45,656 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2024-11-23 01:47:45,656 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2024-11-23 01:47:45,656 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-23 01:47:45,656 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 01:47:45,746 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-23 01:47:45,746 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-23 01:47:45,746 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 01:47:45,747 INFO L158 Benchmark]: Toolchain (without parser) took 49123.61ms. Allocated memory was 163.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 89.4MB in the beginning and 825.5MB in the end (delta: -736.1MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-23 01:47:45,749 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 163.6MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 01:47:45,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.23ms. Allocated memory is still 163.6MB. Free memory was 89.1MB in the beginning and 105.9MB in the end (delta: -16.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-23 01:47:45,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.65ms. Allocated memory is still 163.6MB. Free memory was 105.9MB in the beginning and 102.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 01:47:45,749 INFO L158 Benchmark]: Boogie Preprocessor took 109.36ms. Allocated memory is still 163.6MB. Free memory was 102.5MB in the beginning and 99.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 01:47:45,750 INFO L158 Benchmark]: RCFGBuilder took 651.68ms. Allocated memory is still 163.6MB. Free memory was 99.1MB in the beginning and 55.0MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-23 01:47:45,750 INFO L158 Benchmark]: TraceAbstraction took 47680.22ms. Allocated memory was 163.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 54.3MB in the beginning and 830.7MB in the end (delta: -776.5MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-23 01:47:45,750 INFO L158 Benchmark]: Witness Printer took 102.90ms. Allocated memory is still 2.0GB. Free memory was 830.7MB in the beginning and 825.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 01:47:45,751 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 163.6MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.23ms. Allocated memory is still 163.6MB. Free memory was 89.1MB in the beginning and 105.9MB in the end (delta: -16.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.65ms. Allocated memory is still 163.6MB. Free memory was 105.9MB in the beginning and 102.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.36ms. Allocated memory is still 163.6MB. Free memory was 102.5MB in the beginning and 99.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 651.68ms. Allocated memory is still 163.6MB. Free memory was 99.1MB in the beginning and 55.0MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 47680.22ms. Allocated memory was 163.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 54.3MB in the beginning and 830.7MB in the end (delta: -776.5MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 102.90ms. Allocated memory is still 2.0GB. Free memory was 830.7MB in the beginning and 825.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3914]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3914]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 42 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 47.5s, OverallIterations: 41, TraceHistogramMax: 1, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.0s, AutomataDifference: 33.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3397 SdHoareTripleChecker+Valid, 9.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3396 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 8.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 437 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15334 IncrementalHoareTripleChecker+Invalid, 15771 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 437 mSolverCounterUnsat, 1 mSDtfsCounter, 15334 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 872 GetRequests, 93 SyntacticMatches, 7 SemanticMatches, 772 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2758 ImplicationChecksByTransitivity, 8.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7319occurred in iteration=16, InterpolantAutomatonStates: 730, 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, 12.5s InterpolantComputationTime, 556 NumberOfCodeBlocks, 556 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 515 ConstructedInterpolants, 0 QuantifiedInterpolants, 5701 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 41 InterpolantComputations, 41 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! [2024-11-23 01:47:45,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE