./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-races/race-2_1-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-2_1-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 edceb7bcc6473f68e1454dc7ab02ec33e8dca99fdd725419b9e71852c466530e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:54:28,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:54:28,885 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:54:28,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:54:28,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:54:28,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:54:28,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:54:28,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:54:28,912 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:54:28,912 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:54:28,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:54:28,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:54:28,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:54:28,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:54:28,914 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:54:28,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:54:28,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:54:28,918 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:54:28,919 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:54:28,919 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:54:28,919 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:54:28,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:54:28,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:54:28,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:54:28,920 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:54:28,920 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:54:28,920 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:54:28,921 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:54:28,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:54:28,921 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:54:28,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:54:28,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:54:28,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:54:28,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:54:28,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:54:28,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:54:28,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:54:28,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:54:28,923 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:54:28,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:54:28,923 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:54:28,928 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:54:28,928 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:54:28,929 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:54:28,929 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edceb7bcc6473f68e1454dc7ab02ec33e8dca99fdd725419b9e71852c466530e [2024-11-19 13:54:29,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:54:29,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:54:29,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:54:29,152 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:54:29,153 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:54:29,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2024-11-19 13:54:30,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:54:30,881 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:54:30,882 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2024-11-19 13:54:30,908 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/344e2ffd4/f44fcab6d94646aeaa0ffc967c0ae55a/FLAG4ede95006 [2024-11-19 13:54:30,921 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/344e2ffd4/f44fcab6d94646aeaa0ffc967c0ae55a [2024-11-19 13:54:30,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:54:30,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:54:30,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:54:30,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:54:30,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:54:30,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:54:30" (1/1) ... [2024-11-19 13:54:30,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc4ddff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:30, skipping insertion in model container [2024-11-19 13:54:30,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:54:30" (1/1) ... [2024-11-19 13:54:31,011 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:54:31,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:54:31,340 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:54:31,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:54:31,444 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:54:31,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:31 WrapperNode [2024-11-19 13:54:31,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:54:31,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:54:31,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:54:31,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:54:31,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:31" (1/1) ... [2024-11-19 13:54:31,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:31" (1/1) ... [2024-11-19 13:54:31,497 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 144 [2024-11-19 13:54:31,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:54:31,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:54:31,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:54:31,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:54:31,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:31" (1/1) ... [2024-11-19 13:54:31,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:31" (1/1) ... [2024-11-19 13:54:31,513 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:31" (1/1) ... [2024-11-19 13:54:31,542 INFO L175 MemorySlicer]: Split 17 memory accesses to 3 slices as follows [2, 2, 13]. 76 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 2, 6]. [2024-11-19 13:54:31,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:31" (1/1) ... [2024-11-19 13:54:31,543 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:31" (1/1) ... [2024-11-19 13:54:31,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:31" (1/1) ... [2024-11-19 13:54:31,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:31" (1/1) ... [2024-11-19 13:54:31,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:31" (1/1) ... [2024-11-19 13:54:31,567 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:31" (1/1) ... [2024-11-19 13:54:31,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:54:31,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:54:31,576 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:54:31,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:54:31,577 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:31" (1/1) ... [2024-11-19 13:54:31,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:54:31,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:54:31,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:54:31,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:54:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-19 13:54:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-19 13:54:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 13:54:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 13:54:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 13:54:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 13:54:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 13:54:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 13:54:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 13:54:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 13:54:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 13:54:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 13:54:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:54:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 13:54:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 13:54:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 13:54:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:54:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 13:54:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 13:54:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:54:31,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:54:31,674 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 13:54:31,893 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:54:31,896 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:54:32,078 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 13:54:32,079 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:54:32,219 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:54:32,219 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:54:32,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:54:32 BoogieIcfgContainer [2024-11-19 13:54:32,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:54:32,222 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:54:32,222 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:54:32,225 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:54:32,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:54:30" (1/3) ... [2024-11-19 13:54:32,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467b935f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:54:32, skipping insertion in model container [2024-11-19 13:54:32,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:31" (2/3) ... [2024-11-19 13:54:32,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467b935f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:54:32, skipping insertion in model container [2024-11-19 13:54:32,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:54:32" (3/3) ... [2024-11-19 13:54:32,227 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2024-11-19 13:54:32,242 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:54:32,242 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:54:32,242 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 13:54:32,283 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-19 13:54:32,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 38 transitions, 90 flow [2024-11-19 13:54:32,349 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2024-11-19 13:54:32,350 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 13:54:32,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 41 events. 2/41 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 79 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 23. Up to 3 conditions per place. [2024-11-19 13:54:32,352 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 38 transitions, 90 flow [2024-11-19 13:54:32,354 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 32 transitions, 73 flow [2024-11-19 13:54:32,361 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:54:32,366 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;@d6e8712, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:54:32,367 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-19 13:54:32,372 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 13:54:32,372 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2024-11-19 13:54:32,372 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 13:54:32,372 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:32,373 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:32,373 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:32,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:32,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1341841268, now seen corresponding path program 1 times [2024-11-19 13:54:32,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:32,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654408982] [2024-11-19 13:54:32,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:32,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:33,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:33,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:33,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654408982] [2024-11-19 13:54:33,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654408982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:33,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:33,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 13:54:33,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664876613] [2024-11-19 13:54:33,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:33,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:54:33,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:33,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:54:33,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:54:33,215 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-19 13:54:33,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 32 transitions, 73 flow. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:33,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:33,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-19 13:54:33,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:33,629 INFO L124 PetriNetUnfolderBase]: 621/1208 cut-off events. [2024-11-19 13:54:33,630 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-19 13:54:33,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2271 conditions, 1208 events. 621/1208 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 6849 event pairs, 193 based on Foata normal form. 44/1176 useless extension candidates. Maximal degree in co-relation 2198. Up to 862 conditions per place. [2024-11-19 13:54:33,642 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 58 selfloop transitions, 18 changer transitions 3/84 dead transitions. [2024-11-19 13:54:33,642 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 84 transitions, 344 flow [2024-11-19 13:54:33,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 13:54:33,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-19 13:54:33,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 155 transitions. [2024-11-19 13:54:33,655 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45321637426900585 [2024-11-19 13:54:33,656 INFO L175 Difference]: Start difference. First operand has 39 places, 32 transitions, 73 flow. Second operand 9 states and 155 transitions. [2024-11-19 13:54:33,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 84 transitions, 344 flow [2024-11-19 13:54:33,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 84 transitions, 336 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 13:54:33,665 INFO L231 Difference]: Finished difference. Result has 48 places, 50 transitions, 182 flow [2024-11-19 13:54:33,666 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=182, PETRI_PLACES=48, PETRI_TRANSITIONS=50} [2024-11-19 13:54:33,671 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 9 predicate places. [2024-11-19 13:54:33,672 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 50 transitions, 182 flow [2024-11-19 13:54:33,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:33,672 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:33,672 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:33,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:54:33,673 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:33,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:33,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1669751059, now seen corresponding path program 1 times [2024-11-19 13:54:33,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:33,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730255062] [2024-11-19 13:54:33,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:33,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:33,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:33,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:33,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730255062] [2024-11-19 13:54:33,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730255062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:33,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:33,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 13:54:33,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033107589] [2024-11-19 13:54:33,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:33,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:54:33,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:33,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:54:33,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:54:33,998 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-19 13:54:33,998 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 50 transitions, 182 flow. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:33,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:33,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-19 13:54:33,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:34,267 INFO L124 PetriNetUnfolderBase]: 672/1245 cut-off events. [2024-11-19 13:54:34,267 INFO L125 PetriNetUnfolderBase]: For 467/467 co-relation queries the response was YES. [2024-11-19 13:54:34,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2979 conditions, 1245 events. 672/1245 cut-off events. For 467/467 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 6746 event pairs, 267 based on Foata normal form. 44/1255 useless extension candidates. Maximal degree in co-relation 2506. Up to 951 conditions per place. [2024-11-19 13:54:34,272 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 62 selfloop transitions, 25 changer transitions 5/97 dead transitions. [2024-11-19 13:54:34,272 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 97 transitions, 516 flow [2024-11-19 13:54:34,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 13:54:34,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-19 13:54:34,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 156 transitions. [2024-11-19 13:54:34,274 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45614035087719296 [2024-11-19 13:54:34,274 INFO L175 Difference]: Start difference. First operand has 48 places, 50 transitions, 182 flow. Second operand 9 states and 156 transitions. [2024-11-19 13:54:34,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 97 transitions, 516 flow [2024-11-19 13:54:34,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 97 transitions, 514 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 13:54:34,278 INFO L231 Difference]: Finished difference. Result has 58 places, 64 transitions, 316 flow [2024-11-19 13:54:34,278 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=316, PETRI_PLACES=58, PETRI_TRANSITIONS=64} [2024-11-19 13:54:34,279 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 19 predicate places. [2024-11-19 13:54:34,279 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 64 transitions, 316 flow [2024-11-19 13:54:34,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:34,279 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:34,279 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:34,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 13:54:34,280 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:34,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:34,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1308206955, now seen corresponding path program 1 times [2024-11-19 13:54:34,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:34,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113104277] [2024-11-19 13:54:34,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:34,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:34,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:34,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:34,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113104277] [2024-11-19 13:54:34,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113104277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:34,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:34,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:34,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898635536] [2024-11-19 13:54:34,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:34,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:34,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:34,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:34,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:34,807 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-19 13:54:34,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 64 transitions, 316 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:34,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:34,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-19 13:54:34,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:35,395 INFO L124 PetriNetUnfolderBase]: 846/1560 cut-off events. [2024-11-19 13:54:35,395 INFO L125 PetriNetUnfolderBase]: For 1307/1307 co-relation queries the response was YES. [2024-11-19 13:54:35,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4350 conditions, 1560 events. 846/1560 cut-off events. For 1307/1307 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8821 event pairs, 281 based on Foata normal form. 52/1612 useless extension candidates. Maximal degree in co-relation 3598. Up to 1146 conditions per place. [2024-11-19 13:54:35,405 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 81 selfloop transitions, 37 changer transitions 17/140 dead transitions. [2024-11-19 13:54:35,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 140 transitions, 915 flow [2024-11-19 13:54:35,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 13:54:35,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-19 13:54:35,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 184 transitions. [2024-11-19 13:54:35,408 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44019138755980863 [2024-11-19 13:54:35,408 INFO L175 Difference]: Start difference. First operand has 58 places, 64 transitions, 316 flow. Second operand 11 states and 184 transitions. [2024-11-19 13:54:35,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 140 transitions, 915 flow [2024-11-19 13:54:35,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 140 transitions, 915 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 13:54:35,422 INFO L231 Difference]: Finished difference. Result has 75 places, 93 transitions, 660 flow [2024-11-19 13:54:35,422 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=660, PETRI_PLACES=75, PETRI_TRANSITIONS=93} [2024-11-19 13:54:35,423 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 36 predicate places. [2024-11-19 13:54:35,424 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 93 transitions, 660 flow [2024-11-19 13:54:35,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:35,424 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:35,424 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:35,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 13:54:35,425 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:35,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:35,426 INFO L85 PathProgramCache]: Analyzing trace with hash 764593993, now seen corresponding path program 2 times [2024-11-19 13:54:35,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:35,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240896165] [2024-11-19 13:54:35,426 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:35,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:35,470 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:35,470 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:35,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:35,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:35,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240896165] [2024-11-19 13:54:35,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240896165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:35,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:35,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:35,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478647452] [2024-11-19 13:54:35,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:35,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:35,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:35,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:35,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:35,860 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-19 13:54:35,861 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 93 transitions, 660 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:35,861 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:35,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-19 13:54:35,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:36,382 INFO L124 PetriNetUnfolderBase]: 888/1620 cut-off events. [2024-11-19 13:54:36,382 INFO L125 PetriNetUnfolderBase]: For 3454/3454 co-relation queries the response was YES. [2024-11-19 13:54:36,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5465 conditions, 1620 events. 888/1620 cut-off events. For 3454/3454 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 9011 event pairs, 225 based on Foata normal form. 52/1672 useless extension candidates. Maximal degree in co-relation 5042. Up to 1077 conditions per place. [2024-11-19 13:54:36,399 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 90 selfloop transitions, 55 changer transitions 13/163 dead transitions. [2024-11-19 13:54:36,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 163 transitions, 1317 flow [2024-11-19 13:54:36,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 13:54:36,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-19 13:54:36,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 223 transitions. [2024-11-19 13:54:36,402 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4191729323308271 [2024-11-19 13:54:36,402 INFO L175 Difference]: Start difference. First operand has 75 places, 93 transitions, 660 flow. Second operand 14 states and 223 transitions. [2024-11-19 13:54:36,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 163 transitions, 1317 flow [2024-11-19 13:54:36,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 163 transitions, 1269 flow, removed 16 selfloop flow, removed 3 redundant places. [2024-11-19 13:54:36,425 INFO L231 Difference]: Finished difference. Result has 91 places, 110 transitions, 968 flow [2024-11-19 13:54:36,425 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=968, PETRI_PLACES=91, PETRI_TRANSITIONS=110} [2024-11-19 13:54:36,426 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 52 predicate places. [2024-11-19 13:54:36,426 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 110 transitions, 968 flow [2024-11-19 13:54:36,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:36,427 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:36,427 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:36,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:54:36,427 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:36,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:36,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1256486864, now seen corresponding path program 1 times [2024-11-19 13:54:36,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:36,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236678114] [2024-11-19 13:54:36,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:36,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:37,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:37,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:37,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236678114] [2024-11-19 13:54:37,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236678114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:37,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:37,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:37,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835617866] [2024-11-19 13:54:37,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:37,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:37,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:37,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:37,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:37,048 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-19 13:54:37,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 110 transitions, 968 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:37,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:37,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-19 13:54:37,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:37,632 INFO L124 PetriNetUnfolderBase]: 1017/1882 cut-off events. [2024-11-19 13:54:37,632 INFO L125 PetriNetUnfolderBase]: For 6262/6274 co-relation queries the response was YES. [2024-11-19 13:54:37,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7256 conditions, 1882 events. 1017/1882 cut-off events. For 6262/6274 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 11176 event pairs, 313 based on Foata normal form. 48/1926 useless extension candidates. Maximal degree in co-relation 6457. Up to 1298 conditions per place. [2024-11-19 13:54:37,644 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 105 selfloop transitions, 60 changer transitions 12/182 dead transitions. [2024-11-19 13:54:37,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 182 transitions, 1733 flow [2024-11-19 13:54:37,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-19 13:54:37,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-19 13:54:37,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 261 transitions. [2024-11-19 13:54:37,646 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4040247678018576 [2024-11-19 13:54:37,646 INFO L175 Difference]: Start difference. First operand has 91 places, 110 transitions, 968 flow. Second operand 17 states and 261 transitions. [2024-11-19 13:54:37,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 182 transitions, 1733 flow [2024-11-19 13:54:37,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 182 transitions, 1591 flow, removed 17 selfloop flow, removed 8 redundant places. [2024-11-19 13:54:37,666 INFO L231 Difference]: Finished difference. Result has 106 places, 127 transitions, 1233 flow [2024-11-19 13:54:37,667 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=867, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1233, PETRI_PLACES=106, PETRI_TRANSITIONS=127} [2024-11-19 13:54:37,667 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 67 predicate places. [2024-11-19 13:54:37,667 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 127 transitions, 1233 flow [2024-11-19 13:54:37,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:37,667 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:37,668 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:37,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 13:54:37,668 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:37,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:37,668 INFO L85 PathProgramCache]: Analyzing trace with hash 411275081, now seen corresponding path program 3 times [2024-11-19 13:54:37,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:37,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133701910] [2024-11-19 13:54:37,668 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:54:37,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:37,685 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:54:37,685 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:37,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:37,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:37,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133701910] [2024-11-19 13:54:37,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133701910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:37,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:37,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:37,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165296007] [2024-11-19 13:54:37,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:37,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:37,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:37,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:37,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:37,963 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-19 13:54:37,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 127 transitions, 1233 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:37,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:37,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-19 13:54:37,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:38,674 INFO L124 PetriNetUnfolderBase]: 948/1761 cut-off events. [2024-11-19 13:54:38,675 INFO L125 PetriNetUnfolderBase]: For 6881/6899 co-relation queries the response was YES. [2024-11-19 13:54:38,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6924 conditions, 1761 events. 948/1761 cut-off events. For 6881/6899 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 10167 event pairs, 234 based on Foata normal form. 60/1821 useless extension candidates. Maximal degree in co-relation 6083. Up to 1092 conditions per place. [2024-11-19 13:54:38,685 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 97 selfloop transitions, 82 changer transitions 18/202 dead transitions. [2024-11-19 13:54:38,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 202 transitions, 2002 flow [2024-11-19 13:54:38,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-19 13:54:38,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-19 13:54:38,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 269 transitions. [2024-11-19 13:54:38,687 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.41640866873065013 [2024-11-19 13:54:38,687 INFO L175 Difference]: Start difference. First operand has 106 places, 127 transitions, 1233 flow. Second operand 17 states and 269 transitions. [2024-11-19 13:54:38,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 202 transitions, 2002 flow [2024-11-19 13:54:38,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 202 transitions, 1888 flow, removed 24 selfloop flow, removed 8 redundant places. [2024-11-19 13:54:38,714 INFO L231 Difference]: Finished difference. Result has 118 places, 137 transitions, 1453 flow [2024-11-19 13:54:38,715 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1131, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1453, PETRI_PLACES=118, PETRI_TRANSITIONS=137} [2024-11-19 13:54:38,715 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 79 predicate places. [2024-11-19 13:54:38,716 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 137 transitions, 1453 flow [2024-11-19 13:54:38,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:38,716 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:38,716 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:38,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 13:54:38,716 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:38,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:38,716 INFO L85 PathProgramCache]: Analyzing trace with hash 411266720, now seen corresponding path program 2 times [2024-11-19 13:54:38,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:38,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363402076] [2024-11-19 13:54:38,717 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:38,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:38,740 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:38,740 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:39,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:39,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:39,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363402076] [2024-11-19 13:54:39,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363402076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:39,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:39,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:39,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467449642] [2024-11-19 13:54:39,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:39,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:39,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:39,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:39,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:39,288 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-19 13:54:39,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 137 transitions, 1453 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:39,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:39,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-19 13:54:39,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:40,085 INFO L124 PetriNetUnfolderBase]: 903/1694 cut-off events. [2024-11-19 13:54:40,085 INFO L125 PetriNetUnfolderBase]: For 8336/8368 co-relation queries the response was YES. [2024-11-19 13:54:40,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7150 conditions, 1694 events. 903/1694 cut-off events. For 8336/8368 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 9786 event pairs, 249 based on Foata normal form. 48/1742 useless extension candidates. Maximal degree in co-relation 6482. Up to 1071 conditions per place. [2024-11-19 13:54:40,098 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 90 selfloop transitions, 84 changer transitions 15/194 dead transitions. [2024-11-19 13:54:40,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 194 transitions, 2047 flow [2024-11-19 13:54:40,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-19 13:54:40,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-19 13:54:40,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 307 transitions. [2024-11-19 13:54:40,100 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.38471177944862156 [2024-11-19 13:54:40,100 INFO L175 Difference]: Start difference. First operand has 118 places, 137 transitions, 1453 flow. Second operand 21 states and 307 transitions. [2024-11-19 13:54:40,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 194 transitions, 2047 flow [2024-11-19 13:54:40,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 194 transitions, 1889 flow, removed 25 selfloop flow, removed 11 redundant places. [2024-11-19 13:54:40,131 INFO L231 Difference]: Finished difference. Result has 131 places, 138 transitions, 1515 flow [2024-11-19 13:54:40,132 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1306, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1515, PETRI_PLACES=131, PETRI_TRANSITIONS=138} [2024-11-19 13:54:40,134 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 92 predicate places. [2024-11-19 13:54:40,135 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 138 transitions, 1515 flow [2024-11-19 13:54:40,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:40,135 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:40,135 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:40,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 13:54:40,135 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:40,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:40,136 INFO L85 PathProgramCache]: Analyzing trace with hash 764585632, now seen corresponding path program 3 times [2024-11-19 13:54:40,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:40,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738747001] [2024-11-19 13:54:40,136 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:54:40,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:40,182 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:54:40,182 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:40,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:40,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:40,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738747001] [2024-11-19 13:54:40,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738747001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:40,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:40,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:40,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907230664] [2024-11-19 13:54:40,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:40,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:40,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:40,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:40,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:40,716 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-19 13:54:40,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 138 transitions, 1515 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:40,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:40,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-19 13:54:40,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:41,446 INFO L124 PetriNetUnfolderBase]: 882/1641 cut-off events. [2024-11-19 13:54:41,447 INFO L125 PetriNetUnfolderBase]: For 10061/10103 co-relation queries the response was YES. [2024-11-19 13:54:41,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7339 conditions, 1641 events. 882/1641 cut-off events. For 10061/10103 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 9303 event pairs, 216 based on Foata normal form. 50/1687 useless extension candidates. Maximal degree in co-relation 6799. Up to 993 conditions per place. [2024-11-19 13:54:41,469 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 80 selfloop transitions, 94 changer transitions 15/194 dead transitions. [2024-11-19 13:54:41,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 194 transitions, 2121 flow [2024-11-19 13:54:41,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 13:54:41,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-19 13:54:41,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 281 transitions. [2024-11-19 13:54:41,474 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.389196675900277 [2024-11-19 13:54:41,474 INFO L175 Difference]: Start difference. First operand has 131 places, 138 transitions, 1515 flow. Second operand 19 states and 281 transitions. [2024-11-19 13:54:41,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 194 transitions, 2121 flow [2024-11-19 13:54:41,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 194 transitions, 1788 flow, removed 26 selfloop flow, removed 22 redundant places. [2024-11-19 13:54:41,519 INFO L231 Difference]: Finished difference. Result has 130 places, 141 transitions, 1443 flow [2024-11-19 13:54:41,520 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1195, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1443, PETRI_PLACES=130, PETRI_TRANSITIONS=141} [2024-11-19 13:54:41,521 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 91 predicate places. [2024-11-19 13:54:41,521 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 141 transitions, 1443 flow [2024-11-19 13:54:41,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:41,522 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:41,522 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:41,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 13:54:41,522 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:41,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:41,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1844619444, now seen corresponding path program 1 times [2024-11-19 13:54:41,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:41,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048740450] [2024-11-19 13:54:41,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:41,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:41,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:41,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:41,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048740450] [2024-11-19 13:54:41,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048740450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:41,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:41,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:54:41,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197494097] [2024-11-19 13:54:41,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:41,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:54:41,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:41,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:54:41,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:54:41,580 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2024-11-19 13:54:41,580 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 141 transitions, 1443 flow. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:41,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:41,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2024-11-19 13:54:41,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:41,809 INFO L124 PetriNetUnfolderBase]: 461/873 cut-off events. [2024-11-19 13:54:41,809 INFO L125 PetriNetUnfolderBase]: For 3753/3817 co-relation queries the response was YES. [2024-11-19 13:54:41,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3515 conditions, 873 events. 461/873 cut-off events. For 3753/3817 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4351 event pairs, 86 based on Foata normal form. 6/879 useless extension candidates. Maximal degree in co-relation 3486. Up to 465 conditions per place. [2024-11-19 13:54:41,815 INFO L140 encePairwiseOnDemand]: 35/38 looper letters, 131 selfloop transitions, 18 changer transitions 6/161 dead transitions. [2024-11-19 13:54:41,815 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 161 transitions, 1796 flow [2024-11-19 13:54:41,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:54:41,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 13:54:41,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2024-11-19 13:54:41,816 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5526315789473685 [2024-11-19 13:54:41,816 INFO L175 Difference]: Start difference. First operand has 130 places, 141 transitions, 1443 flow. Second operand 4 states and 84 transitions. [2024-11-19 13:54:41,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 161 transitions, 1796 flow [2024-11-19 13:54:41,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 161 transitions, 1613 flow, removed 40 selfloop flow, removed 15 redundant places. [2024-11-19 13:54:41,828 INFO L231 Difference]: Finished difference. Result has 109 places, 109 transitions, 962 flow [2024-11-19 13:54:41,828 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=940, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=962, PETRI_PLACES=109, PETRI_TRANSITIONS=109} [2024-11-19 13:54:41,829 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 70 predicate places. [2024-11-19 13:54:41,829 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 109 transitions, 962 flow [2024-11-19 13:54:41,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:41,829 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:41,830 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:41,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 13:54:41,830 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:41,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:41,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1238178995, now seen corresponding path program 1 times [2024-11-19 13:54:41,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:41,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596097113] [2024-11-19 13:54:41,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:41,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:42,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:42,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:42,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596097113] [2024-11-19 13:54:42,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596097113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:42,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:42,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:42,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503593570] [2024-11-19 13:54:42,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:42,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:42,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:42,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:42,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:42,494 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:54:42,495 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 109 transitions, 962 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:42,495 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:42,495 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:54:42,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:42,964 INFO L124 PetriNetUnfolderBase]: 603/1168 cut-off events. [2024-11-19 13:54:42,964 INFO L125 PetriNetUnfolderBase]: For 2973/2973 co-relation queries the response was YES. [2024-11-19 13:54:42,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4184 conditions, 1168 events. 603/1168 cut-off events. For 2973/2973 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 6234 event pairs, 143 based on Foata normal form. 14/1182 useless extension candidates. Maximal degree in co-relation 4159. Up to 581 conditions per place. [2024-11-19 13:54:42,970 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 119 selfloop transitions, 45 changer transitions 0/166 dead transitions. [2024-11-19 13:54:42,970 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 166 transitions, 1487 flow [2024-11-19 13:54:42,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 13:54:42,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-19 13:54:42,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 202 transitions. [2024-11-19 13:54:42,972 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3543859649122807 [2024-11-19 13:54:42,972 INFO L175 Difference]: Start difference. First operand has 109 places, 109 transitions, 962 flow. Second operand 15 states and 202 transitions. [2024-11-19 13:54:42,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 166 transitions, 1487 flow [2024-11-19 13:54:42,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 166 transitions, 1416 flow, removed 9 selfloop flow, removed 4 redundant places. [2024-11-19 13:54:42,980 INFO L231 Difference]: Finished difference. Result has 122 places, 114 transitions, 1077 flow [2024-11-19 13:54:42,980 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=919, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1077, PETRI_PLACES=122, PETRI_TRANSITIONS=114} [2024-11-19 13:54:42,981 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 83 predicate places. [2024-11-19 13:54:42,981 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 114 transitions, 1077 flow [2024-11-19 13:54:42,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:42,981 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:42,981 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:42,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 13:54:42,982 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:42,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:42,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1246767164, now seen corresponding path program 1 times [2024-11-19 13:54:42,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:42,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124407653] [2024-11-19 13:54:42,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:42,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:43,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:43,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:43,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124407653] [2024-11-19 13:54:43,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124407653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:43,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:43,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:43,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343210206] [2024-11-19 13:54:43,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:43,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:43,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:43,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:43,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:43,441 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:54:43,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 114 transitions, 1077 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:43,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:43,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:54:43,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:43,919 INFO L124 PetriNetUnfolderBase]: 586/1141 cut-off events. [2024-11-19 13:54:43,919 INFO L125 PetriNetUnfolderBase]: For 2892/2892 co-relation queries the response was YES. [2024-11-19 13:54:43,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4073 conditions, 1141 events. 586/1141 cut-off events. For 2892/2892 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 6103 event pairs, 156 based on Foata normal form. 12/1153 useless extension candidates. Maximal degree in co-relation 4048. Up to 711 conditions per place. [2024-11-19 13:54:43,926 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 107 selfloop transitions, 44 changer transitions 0/153 dead transitions. [2024-11-19 13:54:43,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 153 transitions, 1480 flow [2024-11-19 13:54:43,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 13:54:43,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-19 13:54:43,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 179 transitions. [2024-11-19 13:54:43,927 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33646616541353386 [2024-11-19 13:54:43,927 INFO L175 Difference]: Start difference. First operand has 122 places, 114 transitions, 1077 flow. Second operand 14 states and 179 transitions. [2024-11-19 13:54:43,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 153 transitions, 1480 flow [2024-11-19 13:54:43,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 153 transitions, 1422 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-19 13:54:43,937 INFO L231 Difference]: Finished difference. Result has 130 places, 116 transitions, 1152 flow [2024-11-19 13:54:43,937 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1019, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1152, PETRI_PLACES=130, PETRI_TRANSITIONS=116} [2024-11-19 13:54:43,938 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 91 predicate places. [2024-11-19 13:54:43,938 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 116 transitions, 1152 flow [2024-11-19 13:54:43,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:43,938 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:43,938 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:43,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 13:54:43,939 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:43,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:43,939 INFO L85 PathProgramCache]: Analyzing trace with hash -103437457, now seen corresponding path program 2 times [2024-11-19 13:54:43,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:43,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054648994] [2024-11-19 13:54:43,940 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:43,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:43,968 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:43,969 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:44,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:44,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:44,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054648994] [2024-11-19 13:54:44,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054648994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:44,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:44,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:44,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969694423] [2024-11-19 13:54:44,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:44,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:44,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:44,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:44,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:44,419 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:54:44,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 116 transitions, 1152 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:44,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:44,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:54:44,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:45,102 INFO L124 PetriNetUnfolderBase]: 665/1293 cut-off events. [2024-11-19 13:54:45,103 INFO L125 PetriNetUnfolderBase]: For 3735/3735 co-relation queries the response was YES. [2024-11-19 13:54:45,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4752 conditions, 1293 events. 665/1293 cut-off events. For 3735/3735 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 7170 event pairs, 176 based on Foata normal form. 14/1307 useless extension candidates. Maximal degree in co-relation 4724. Up to 678 conditions per place. [2024-11-19 13:54:45,110 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 121 selfloop transitions, 56 changer transitions 0/179 dead transitions. [2024-11-19 13:54:45,110 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 179 transitions, 1737 flow [2024-11-19 13:54:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 13:54:45,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-19 13:54:45,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 230 transitions. [2024-11-19 13:54:45,111 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3362573099415205 [2024-11-19 13:54:45,111 INFO L175 Difference]: Start difference. First operand has 130 places, 116 transitions, 1152 flow. Second operand 18 states and 230 transitions. [2024-11-19 13:54:45,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 179 transitions, 1737 flow [2024-11-19 13:54:45,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 179 transitions, 1661 flow, removed 3 selfloop flow, removed 8 redundant places. [2024-11-19 13:54:45,122 INFO L231 Difference]: Finished difference. Result has 142 places, 126 transitions, 1337 flow [2024-11-19 13:54:45,123 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1088, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1337, PETRI_PLACES=142, PETRI_TRANSITIONS=126} [2024-11-19 13:54:45,123 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 103 predicate places. [2024-11-19 13:54:45,123 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 126 transitions, 1337 flow [2024-11-19 13:54:45,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:45,123 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:45,123 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:45,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 13:54:45,124 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:45,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:45,124 INFO L85 PathProgramCache]: Analyzing trace with hash 281270063, now seen corresponding path program 3 times [2024-11-19 13:54:45,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:45,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992218436] [2024-11-19 13:54:45,124 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:54:45,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:45,149 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:54:45,149 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:45,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:45,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:45,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992218436] [2024-11-19 13:54:45,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992218436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:45,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:45,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:45,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874266326] [2024-11-19 13:54:45,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:45,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:45,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:45,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:45,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:45,578 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:54:45,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 126 transitions, 1337 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:45,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:45,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:54:45,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:46,292 INFO L124 PetriNetUnfolderBase]: 746/1475 cut-off events. [2024-11-19 13:54:46,292 INFO L125 PetriNetUnfolderBase]: For 4929/4929 co-relation queries the response was YES. [2024-11-19 13:54:46,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5502 conditions, 1475 events. 746/1475 cut-off events. For 4929/4929 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 8565 event pairs, 185 based on Foata normal form. 14/1489 useless extension candidates. Maximal degree in co-relation 5471. Up to 476 conditions per place. [2024-11-19 13:54:46,304 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 111 selfloop transitions, 82 changer transitions 0/195 dead transitions. [2024-11-19 13:54:46,305 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 195 transitions, 1913 flow [2024-11-19 13:54:46,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 13:54:46,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-19 13:54:46,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 276 transitions. [2024-11-19 13:54:46,306 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33014354066985646 [2024-11-19 13:54:46,306 INFO L175 Difference]: Start difference. First operand has 142 places, 126 transitions, 1337 flow. Second operand 22 states and 276 transitions. [2024-11-19 13:54:46,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 195 transitions, 1913 flow [2024-11-19 13:54:46,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 195 transitions, 1852 flow, removed 2 selfloop flow, removed 8 redundant places. [2024-11-19 13:54:46,326 INFO L231 Difference]: Finished difference. Result has 159 places, 129 transitions, 1555 flow [2024-11-19 13:54:46,326 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1276, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1555, PETRI_PLACES=159, PETRI_TRANSITIONS=129} [2024-11-19 13:54:46,326 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 120 predicate places. [2024-11-19 13:54:46,327 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 129 transitions, 1555 flow [2024-11-19 13:54:46,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:46,327 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:46,327 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:46,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 13:54:46,327 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:46,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:46,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1156661969, now seen corresponding path program 4 times [2024-11-19 13:54:46,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:46,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89828695] [2024-11-19 13:54:46,328 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 13:54:46,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:46,349 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 13:54:46,352 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:46,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:46,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:46,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89828695] [2024-11-19 13:54:46,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89828695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:46,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:46,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:46,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700389751] [2024-11-19 13:54:46,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:46,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:46,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:46,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:46,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:46,937 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:54:46,938 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 129 transitions, 1555 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:46,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:46,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:54:46,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:47,528 INFO L124 PetriNetUnfolderBase]: 808/1595 cut-off events. [2024-11-19 13:54:47,528 INFO L125 PetriNetUnfolderBase]: For 7113/7113 co-relation queries the response was YES. [2024-11-19 13:54:47,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6341 conditions, 1595 events. 808/1595 cut-off events. For 7113/7113 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 9512 event pairs, 288 based on Foata normal form. 14/1609 useless extension candidates. Maximal degree in co-relation 6306. Up to 1059 conditions per place. [2024-11-19 13:54:47,536 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 118 selfloop transitions, 49 changer transitions 0/169 dead transitions. [2024-11-19 13:54:47,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 169 transitions, 2006 flow [2024-11-19 13:54:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 13:54:47,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 13:54:47,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 168 transitions. [2024-11-19 13:54:47,540 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.340080971659919 [2024-11-19 13:54:47,540 INFO L175 Difference]: Start difference. First operand has 159 places, 129 transitions, 1555 flow. Second operand 13 states and 168 transitions. [2024-11-19 13:54:47,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 169 transitions, 2006 flow [2024-11-19 13:54:47,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 169 transitions, 1896 flow, removed 5 selfloop flow, removed 16 redundant places. [2024-11-19 13:54:47,559 INFO L231 Difference]: Finished difference. Result has 158 places, 131 transitions, 1607 flow [2024-11-19 13:54:47,560 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1445, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1607, PETRI_PLACES=158, PETRI_TRANSITIONS=131} [2024-11-19 13:54:47,560 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 119 predicate places. [2024-11-19 13:54:47,561 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 131 transitions, 1607 flow [2024-11-19 13:54:47,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:47,561 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:47,562 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:47,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 13:54:47,562 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:47,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:47,562 INFO L85 PathProgramCache]: Analyzing trace with hash 2028751423, now seen corresponding path program 5 times [2024-11-19 13:54:47,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:47,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104423235] [2024-11-19 13:54:47,562 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 13:54:47,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:47,579 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:47,579 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:48,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:48,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:48,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104423235] [2024-11-19 13:54:48,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104423235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:48,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:48,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:48,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434108354] [2024-11-19 13:54:48,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:48,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:48,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:48,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:48,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:48,168 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:54:48,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 131 transitions, 1607 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:48,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:48,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:54:48,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:48,891 INFO L124 PetriNetUnfolderBase]: 889/1768 cut-off events. [2024-11-19 13:54:48,891 INFO L125 PetriNetUnfolderBase]: For 8495/8495 co-relation queries the response was YES. [2024-11-19 13:54:48,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7100 conditions, 1768 events. 889/1768 cut-off events. For 8495/8495 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 10865 event pairs, 250 based on Foata normal form. 14/1782 useless extension candidates. Maximal degree in co-relation 7063. Up to 514 conditions per place. [2024-11-19 13:54:48,901 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 106 selfloop transitions, 86 changer transitions 0/194 dead transitions. [2024-11-19 13:54:48,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 194 transitions, 2181 flow [2024-11-19 13:54:48,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-19 13:54:48,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-19 13:54:48,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 254 transitions. [2024-11-19 13:54:48,902 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3182957393483709 [2024-11-19 13:54:48,902 INFO L175 Difference]: Start difference. First operand has 158 places, 131 transitions, 1607 flow. Second operand 21 states and 254 transitions. [2024-11-19 13:54:48,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 194 transitions, 2181 flow [2024-11-19 13:54:48,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 194 transitions, 2078 flow, removed 5 selfloop flow, removed 10 redundant places. [2024-11-19 13:54:48,927 INFO L231 Difference]: Finished difference. Result has 172 places, 134 transitions, 1818 flow [2024-11-19 13:54:48,927 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1504, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1818, PETRI_PLACES=172, PETRI_TRANSITIONS=134} [2024-11-19 13:54:48,927 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 133 predicate places. [2024-11-19 13:54:48,927 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 134 transitions, 1818 flow [2024-11-19 13:54:48,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:48,928 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:48,928 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:48,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 13:54:48,928 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:48,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:48,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1059649019, now seen corresponding path program 6 times [2024-11-19 13:54:48,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:48,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426193525] [2024-11-19 13:54:48,929 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 13:54:48,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:48,944 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 13:54:48,944 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:49,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:49,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:49,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426193525] [2024-11-19 13:54:49,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426193525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:49,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:49,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:49,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792429915] [2024-11-19 13:54:49,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:49,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:49,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:49,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:49,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:49,341 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:54:49,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 134 transitions, 1818 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:49,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:49,341 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:54:49,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:50,070 INFO L124 PetriNetUnfolderBase]: 970/1911 cut-off events. [2024-11-19 13:54:50,070 INFO L125 PetriNetUnfolderBase]: For 11797/11797 co-relation queries the response was YES. [2024-11-19 13:54:50,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8215 conditions, 1911 events. 970/1911 cut-off events. For 11797/11797 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 11889 event pairs, 165 based on Foata normal form. 14/1922 useless extension candidates. Maximal degree in co-relation 8174. Up to 430 conditions per place. [2024-11-19 13:54:50,087 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 117 selfloop transitions, 105 changer transitions 0/224 dead transitions. [2024-11-19 13:54:50,088 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 224 transitions, 2766 flow [2024-11-19 13:54:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-19 13:54:50,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-19 13:54:50,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 260 transitions. [2024-11-19 13:54:50,089 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3258145363408521 [2024-11-19 13:54:50,090 INFO L175 Difference]: Start difference. First operand has 172 places, 134 transitions, 1818 flow. Second operand 21 states and 260 transitions. [2024-11-19 13:54:50,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 224 transitions, 2766 flow [2024-11-19 13:54:50,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 224 transitions, 2673 flow, removed 4 selfloop flow, removed 14 redundant places. [2024-11-19 13:54:50,132 INFO L231 Difference]: Finished difference. Result has 186 places, 149 transitions, 2291 flow [2024-11-19 13:54:50,132 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1730, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2291, PETRI_PLACES=186, PETRI_TRANSITIONS=149} [2024-11-19 13:54:50,132 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 147 predicate places. [2024-11-19 13:54:50,133 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 149 transitions, 2291 flow [2024-11-19 13:54:50,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:50,133 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:50,133 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:50,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 13:54:50,133 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:50,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:50,134 INFO L85 PathProgramCache]: Analyzing trace with hash 335774635, now seen corresponding path program 7 times [2024-11-19 13:54:50,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:50,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852242431] [2024-11-19 13:54:50,134 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 13:54:50,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:50,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:50,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:50,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852242431] [2024-11-19 13:54:50,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852242431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:50,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:50,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:50,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133955096] [2024-11-19 13:54:50,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:50,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:50,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:50,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:50,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:50,573 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:54:50,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 149 transitions, 2291 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:50,574 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:50,574 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:54:50,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:51,196 INFO L124 PetriNetUnfolderBase]: 1046/2087 cut-off events. [2024-11-19 13:54:51,196 INFO L125 PetriNetUnfolderBase]: For 17761/17761 co-relation queries the response was YES. [2024-11-19 13:54:51,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9868 conditions, 2087 events. 1046/2087 cut-off events. For 17761/17761 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 13363 event pairs, 334 based on Foata normal form. 14/2101 useless extension candidates. Maximal degree in co-relation 9819. Up to 908 conditions per place. [2024-11-19 13:54:51,211 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 130 selfloop transitions, 75 changer transitions 0/207 dead transitions. [2024-11-19 13:54:51,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 207 transitions, 3008 flow [2024-11-19 13:54:51,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 13:54:51,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-19 13:54:51,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 204 transitions. [2024-11-19 13:54:51,212 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3355263157894737 [2024-11-19 13:54:51,213 INFO L175 Difference]: Start difference. First operand has 186 places, 149 transitions, 2291 flow. Second operand 16 states and 204 transitions. [2024-11-19 13:54:51,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 207 transitions, 3008 flow [2024-11-19 13:54:51,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 207 transitions, 2862 flow, removed 27 selfloop flow, removed 12 redundant places. [2024-11-19 13:54:51,267 INFO L231 Difference]: Finished difference. Result has 192 places, 155 transitions, 2509 flow [2024-11-19 13:54:51,267 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2165, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2509, PETRI_PLACES=192, PETRI_TRANSITIONS=155} [2024-11-19 13:54:51,268 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 153 predicate places. [2024-11-19 13:54:51,268 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 155 transitions, 2509 flow [2024-11-19 13:54:51,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:51,268 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:51,268 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:51,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 13:54:51,269 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:51,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:51,269 INFO L85 PathProgramCache]: Analyzing trace with hash 327186466, now seen corresponding path program 2 times [2024-11-19 13:54:51,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:51,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940114437] [2024-11-19 13:54:51,270 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:51,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:51,288 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:51,288 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:51,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:51,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:51,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940114437] [2024-11-19 13:54:51,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940114437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:51,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:51,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:51,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017741519] [2024-11-19 13:54:51,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:51,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:51,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:51,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:51,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:51,744 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:54:51,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 155 transitions, 2509 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:51,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:51,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:54:51,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:52,389 INFO L124 PetriNetUnfolderBase]: 1112/2219 cut-off events. [2024-11-19 13:54:52,389 INFO L125 PetriNetUnfolderBase]: For 19786/19790 co-relation queries the response was YES. [2024-11-19 13:54:52,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10443 conditions, 2219 events. 1112/2219 cut-off events. For 19786/19790 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 14472 event pairs, 444 based on Foata normal form. 16/2235 useless extension candidates. Maximal degree in co-relation 10393. Up to 1549 conditions per place. [2024-11-19 13:54:52,409 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 139 selfloop transitions, 57 changer transitions 0/198 dead transitions. [2024-11-19 13:54:52,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 198 transitions, 3068 flow [2024-11-19 13:54:52,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 13:54:52,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-19 13:54:52,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 188 transitions. [2024-11-19 13:54:52,414 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3298245614035088 [2024-11-19 13:54:52,414 INFO L175 Difference]: Start difference. First operand has 192 places, 155 transitions, 2509 flow. Second operand 15 states and 188 transitions. [2024-11-19 13:54:52,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 198 transitions, 3068 flow [2024-11-19 13:54:52,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 198 transitions, 2975 flow, removed 1 selfloop flow, removed 11 redundant places. [2024-11-19 13:54:52,523 INFO L231 Difference]: Finished difference. Result has 198 places, 160 transitions, 2635 flow [2024-11-19 13:54:52,526 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2418, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2635, PETRI_PLACES=198, PETRI_TRANSITIONS=160} [2024-11-19 13:54:52,527 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 159 predicate places. [2024-11-19 13:54:52,527 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 160 transitions, 2635 flow [2024-11-19 13:54:52,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:52,527 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:52,527 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:52,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 13:54:52,527 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:52,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:52,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1611612988, now seen corresponding path program 3 times [2024-11-19 13:54:52,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:52,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361996781] [2024-11-19 13:54:52,531 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:54:52,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:52,553 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:54:52,557 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:52,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:52,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:52,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361996781] [2024-11-19 13:54:52,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361996781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:52,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:52,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:52,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149689573] [2024-11-19 13:54:52,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:52,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:52,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:52,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:52,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:53,053 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:54:53,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 160 transitions, 2635 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:53,058 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:53,058 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:54:53,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:53,631 INFO L124 PetriNetUnfolderBase]: 1168/2335 cut-off events. [2024-11-19 13:54:53,631 INFO L125 PetriNetUnfolderBase]: For 20867/20871 co-relation queries the response was YES. [2024-11-19 13:54:53,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10984 conditions, 2335 events. 1168/2335 cut-off events. For 20867/20871 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 15463 event pairs, 469 based on Foata normal form. 16/2351 useless extension candidates. Maximal degree in co-relation 10931. Up to 1650 conditions per place. [2024-11-19 13:54:53,651 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 134 selfloop transitions, 62 changer transitions 0/198 dead transitions. [2024-11-19 13:54:53,651 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 198 transitions, 3142 flow [2024-11-19 13:54:53,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 13:54:53,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-19 13:54:53,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 180 transitions. [2024-11-19 13:54:53,657 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3157894736842105 [2024-11-19 13:54:53,657 INFO L175 Difference]: Start difference. First operand has 198 places, 160 transitions, 2635 flow. Second operand 15 states and 180 transitions. [2024-11-19 13:54:53,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 198 transitions, 3142 flow [2024-11-19 13:54:53,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 198 transitions, 3076 flow, removed 4 selfloop flow, removed 6 redundant places. [2024-11-19 13:54:53,733 INFO L231 Difference]: Finished difference. Result has 209 places, 162 transitions, 2751 flow [2024-11-19 13:54:53,734 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2569, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2751, PETRI_PLACES=209, PETRI_TRANSITIONS=162} [2024-11-19 13:54:53,735 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 170 predicate places. [2024-11-19 13:54:53,735 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 162 transitions, 2751 flow [2024-11-19 13:54:53,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:53,735 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:53,735 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:53,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 13:54:53,735 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:53,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:53,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1758300028, now seen corresponding path program 4 times [2024-11-19 13:54:53,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:53,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77868673] [2024-11-19 13:54:53,736 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 13:54:53,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:53,759 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 13:54:53,759 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:54,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:54,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77868673] [2024-11-19 13:54:54,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77868673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:54,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:54,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:54,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210072766] [2024-11-19 13:54:54,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:54,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:54,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:54,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:54,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:54,214 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:54:54,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 162 transitions, 2751 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:54,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:54,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:54:54,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:54,879 INFO L124 PetriNetUnfolderBase]: 1224/2451 cut-off events. [2024-11-19 13:54:54,880 INFO L125 PetriNetUnfolderBase]: For 22953/22957 co-relation queries the response was YES. [2024-11-19 13:54:54,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11634 conditions, 2451 events. 1224/2451 cut-off events. For 22953/22957 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 16496 event pairs, 461 based on Foata normal form. 12/2463 useless extension candidates. Maximal degree in co-relation 11578. Up to 1339 conditions per place. [2024-11-19 13:54:54,901 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 135 selfloop transitions, 62 changer transitions 0/199 dead transitions. [2024-11-19 13:54:54,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 199 transitions, 3270 flow [2024-11-19 13:54:54,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 13:54:54,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-19 13:54:54,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 170 transitions. [2024-11-19 13:54:54,904 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31954887218045114 [2024-11-19 13:54:54,904 INFO L175 Difference]: Start difference. First operand has 209 places, 162 transitions, 2751 flow. Second operand 14 states and 170 transitions. [2024-11-19 13:54:54,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 199 transitions, 3270 flow [2024-11-19 13:54:54,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 199 transitions, 3139 flow, removed 6 selfloop flow, removed 12 redundant places. [2024-11-19 13:54:54,998 INFO L231 Difference]: Finished difference. Result has 213 places, 164 transitions, 2795 flow [2024-11-19 13:54:54,998 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2620, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2795, PETRI_PLACES=213, PETRI_TRANSITIONS=164} [2024-11-19 13:54:54,998 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 174 predicate places. [2024-11-19 13:54:54,999 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 164 transitions, 2795 flow [2024-11-19 13:54:54,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:54,999 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:54,999 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:54,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 13:54:54,999 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:54,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:55,000 INFO L85 PathProgramCache]: Analyzing trace with hash 98716587, now seen corresponding path program 8 times [2024-11-19 13:54:55,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:55,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212356821] [2024-11-19 13:54:55,000 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:55,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:55,019 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:55,020 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:55,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:55,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:55,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212356821] [2024-11-19 13:54:55,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212356821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:55,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:55,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:55,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380400298] [2024-11-19 13:54:55,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:55,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:55,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:55,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:55,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:55,555 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:54:55,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 164 transitions, 2795 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:55,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:55,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:54:55,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:56,479 INFO L124 PetriNetUnfolderBase]: 1286/2583 cut-off events. [2024-11-19 13:54:56,480 INFO L125 PetriNetUnfolderBase]: For 24838/24842 co-relation queries the response was YES. [2024-11-19 13:54:56,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12399 conditions, 2583 events. 1286/2583 cut-off events. For 24838/24842 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 17591 event pairs, 417 based on Foata normal form. 14/2597 useless extension candidates. Maximal degree in co-relation 12339. Up to 963 conditions per place. [2024-11-19 13:54:56,500 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 145 selfloop transitions, 83 changer transitions 0/230 dead transitions. [2024-11-19 13:54:56,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 230 transitions, 3497 flow [2024-11-19 13:54:56,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 13:54:56,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-19 13:54:56,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 248 transitions. [2024-11-19 13:54:56,502 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.34349030470914127 [2024-11-19 13:54:56,502 INFO L175 Difference]: Start difference. First operand has 213 places, 164 transitions, 2795 flow. Second operand 19 states and 248 transitions. [2024-11-19 13:54:56,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 230 transitions, 3497 flow [2024-11-19 13:54:56,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 230 transitions, 3368 flow, removed 6 selfloop flow, removed 10 redundant places. [2024-11-19 13:54:56,611 INFO L231 Difference]: Finished difference. Result has 224 places, 167 transitions, 2974 flow [2024-11-19 13:54:56,611 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2666, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2974, PETRI_PLACES=224, PETRI_TRANSITIONS=167} [2024-11-19 13:54:56,611 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 185 predicate places. [2024-11-19 13:54:56,612 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 167 transitions, 2974 flow [2024-11-19 13:54:56,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:56,612 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:56,612 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:56,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 13:54:56,612 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:56,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:56,613 INFO L85 PathProgramCache]: Analyzing trace with hash 90128418, now seen corresponding path program 5 times [2024-11-19 13:54:56,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:56,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265309975] [2024-11-19 13:54:56,614 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 13:54:56,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:56,652 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:56,652 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:57,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:57,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:57,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265309975] [2024-11-19 13:54:57,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265309975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:57,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:57,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:57,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656586818] [2024-11-19 13:54:57,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:57,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:57,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:57,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:57,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:57,163 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:54:57,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 167 transitions, 2974 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:57,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:57,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:54:57,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:57,828 INFO L124 PetriNetUnfolderBase]: 1269/2554 cut-off events. [2024-11-19 13:54:57,828 INFO L125 PetriNetUnfolderBase]: For 27370/27374 co-relation queries the response was YES. [2024-11-19 13:54:57,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12576 conditions, 2554 events. 1269/2554 cut-off events. For 27370/27374 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 17422 event pairs, 498 based on Foata normal form. 12/2566 useless extension candidates. Maximal degree in co-relation 12515. Up to 1793 conditions per place. [2024-11-19 13:54:57,844 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 147 selfloop transitions, 57 changer transitions 0/206 dead transitions. [2024-11-19 13:54:57,844 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 206 transitions, 3469 flow [2024-11-19 13:54:57,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 13:54:57,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-19 13:54:57,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 190 transitions. [2024-11-19 13:54:57,845 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2024-11-19 13:54:57,845 INFO L175 Difference]: Start difference. First operand has 224 places, 167 transitions, 2974 flow. Second operand 15 states and 190 transitions. [2024-11-19 13:54:57,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 206 transitions, 3469 flow [2024-11-19 13:54:57,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 206 transitions, 3354 flow, removed 7 selfloop flow, removed 17 redundant places. [2024-11-19 13:54:57,927 INFO L231 Difference]: Finished difference. Result has 220 places, 166 transitions, 2959 flow [2024-11-19 13:54:57,927 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2845, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2959, PETRI_PLACES=220, PETRI_TRANSITIONS=166} [2024-11-19 13:54:57,927 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 181 predicate places. [2024-11-19 13:54:57,927 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 166 transitions, 2959 flow [2024-11-19 13:54:57,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:57,928 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:57,928 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:57,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-19 13:54:57,928 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:57,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:57,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1233458125, now seen corresponding path program 9 times [2024-11-19 13:54:57,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:57,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121977328] [2024-11-19 13:54:57,929 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:54:57,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:57,941 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:54:57,942 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:58,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:58,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:58,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121977328] [2024-11-19 13:54:58,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121977328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:58,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:58,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:58,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086481075] [2024-11-19 13:54:58,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:58,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:58,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:58,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:58,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:58,305 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:54:58,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 166 transitions, 2959 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:58,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:58,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:54:58,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:59,155 INFO L124 PetriNetUnfolderBase]: 1331/2684 cut-off events. [2024-11-19 13:54:59,155 INFO L125 PetriNetUnfolderBase]: For 28559/28563 co-relation queries the response was YES. [2024-11-19 13:54:59,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13261 conditions, 2684 events. 1331/2684 cut-off events. For 28559/28563 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 18524 event pairs, 436 based on Foata normal form. 14/2698 useless extension candidates. Maximal degree in co-relation 13203. Up to 1048 conditions per place. [2024-11-19 13:54:59,171 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 134 selfloop transitions, 89 changer transitions 0/225 dead transitions. [2024-11-19 13:54:59,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 225 transitions, 3647 flow [2024-11-19 13:54:59,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 13:54:59,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-19 13:54:59,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 226 transitions. [2024-11-19 13:54:59,172 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3304093567251462 [2024-11-19 13:54:59,172 INFO L175 Difference]: Start difference. First operand has 220 places, 166 transitions, 2959 flow. Second operand 18 states and 226 transitions. [2024-11-19 13:54:59,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 225 transitions, 3647 flow [2024-11-19 13:54:59,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 225 transitions, 3551 flow, removed 7 selfloop flow, removed 13 redundant places. [2024-11-19 13:54:59,268 INFO L231 Difference]: Finished difference. Result has 227 places, 169 transitions, 3199 flow [2024-11-19 13:54:59,268 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2864, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=3199, PETRI_PLACES=227, PETRI_TRANSITIONS=169} [2024-11-19 13:54:59,269 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 188 predicate places. [2024-11-19 13:54:59,269 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 169 transitions, 3199 flow [2024-11-19 13:54:59,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:59,269 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:59,269 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:59,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 13:54:59,269 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:59,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:59,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1618165645, now seen corresponding path program 10 times [2024-11-19 13:54:59,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:59,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387835329] [2024-11-19 13:54:59,270 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 13:54:59,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:59,283 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 13:54:59,283 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:59,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:59,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:59,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387835329] [2024-11-19 13:54:59,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387835329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:59,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:59,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:59,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980075932] [2024-11-19 13:54:59,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:59,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:59,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:59,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:59,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:59,892 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:54:59,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 169 transitions, 3199 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:54:59,893 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:59,893 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:54:59,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:00,621 INFO L124 PetriNetUnfolderBase]: 1312/2651 cut-off events. [2024-11-19 13:55:00,621 INFO L125 PetriNetUnfolderBase]: For 31588/31592 co-relation queries the response was YES. [2024-11-19 13:55:00,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13451 conditions, 2651 events. 1312/2651 cut-off events. For 31588/31592 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 18284 event pairs, 370 based on Foata normal form. 14/2665 useless extension candidates. Maximal degree in co-relation 13394. Up to 683 conditions per place. [2024-11-19 13:55:00,702 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 137 selfloop transitions, 96 changer transitions 0/235 dead transitions. [2024-11-19 13:55:00,703 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 235 transitions, 3814 flow [2024-11-19 13:55:00,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 13:55:00,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-19 13:55:00,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 245 transitions. [2024-11-19 13:55:00,704 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33933518005540164 [2024-11-19 13:55:00,704 INFO L175 Difference]: Start difference. First operand has 227 places, 169 transitions, 3199 flow. Second operand 19 states and 245 transitions. [2024-11-19 13:55:00,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 235 transitions, 3814 flow [2024-11-19 13:55:00,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 235 transitions, 3505 flow, removed 15 selfloop flow, removed 24 redundant places. [2024-11-19 13:55:00,797 INFO L231 Difference]: Finished difference. Result has 220 places, 168 transitions, 3060 flow [2024-11-19 13:55:00,797 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2868, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=3060, PETRI_PLACES=220, PETRI_TRANSITIONS=168} [2024-11-19 13:55:00,798 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 181 predicate places. [2024-11-19 13:55:00,798 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 168 transitions, 3060 flow [2024-11-19 13:55:00,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:00,798 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:00,798 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:00,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-19 13:55:00,799 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:00,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:00,799 INFO L85 PathProgramCache]: Analyzing trace with hash 271157345, now seen corresponding path program 1 times [2024-11-19 13:55:00,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:00,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481890194] [2024-11-19 13:55:00,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:55:00,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:55:01,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:01,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:01,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481890194] [2024-11-19 13:55:01,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481890194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:01,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:01,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:01,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104092089] [2024-11-19 13:55:01,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:01,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:01,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:01,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:01,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:01,232 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:55:01,233 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 168 transitions, 3060 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:01,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:01,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:55:01,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:01,860 INFO L124 PetriNetUnfolderBase]: 1293/2608 cut-off events. [2024-11-19 13:55:01,860 INFO L125 PetriNetUnfolderBase]: For 27996/28000 co-relation queries the response was YES. [2024-11-19 13:55:01,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12990 conditions, 2608 events. 1293/2608 cut-off events. For 27996/28000 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 18100 event pairs, 627 based on Foata normal form. 14/2622 useless extension candidates. Maximal degree in co-relation 12943. Up to 2071 conditions per place. [2024-11-19 13:55:01,876 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 131 selfloop transitions, 47 changer transitions 25/205 dead transitions. [2024-11-19 13:55:01,876 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 205 transitions, 3496 flow [2024-11-19 13:55:01,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 13:55:01,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-19 13:55:01,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 180 transitions. [2024-11-19 13:55:01,880 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3383458646616541 [2024-11-19 13:55:01,880 INFO L175 Difference]: Start difference. First operand has 220 places, 168 transitions, 3060 flow. Second operand 14 states and 180 transitions. [2024-11-19 13:55:01,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 205 transitions, 3496 flow [2024-11-19 13:55:01,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 205 transitions, 3325 flow, removed 6 selfloop flow, removed 16 redundant places. [2024-11-19 13:55:01,950 INFO L231 Difference]: Finished difference. Result has 217 places, 160 transitions, 2788 flow [2024-11-19 13:55:01,950 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2829, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2788, PETRI_PLACES=217, PETRI_TRANSITIONS=160} [2024-11-19 13:55:01,951 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 178 predicate places. [2024-11-19 13:55:01,951 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 160 transitions, 2788 flow [2024-11-19 13:55:01,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:01,951 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:01,951 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:01,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-19 13:55:01,951 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:01,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:01,952 INFO L85 PathProgramCache]: Analyzing trace with hash 4924115, now seen corresponding path program 1 times [2024-11-19 13:55:01,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:01,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59056582] [2024-11-19 13:55:01,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:55:01,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:55:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:02,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:02,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59056582] [2024-11-19 13:55:02,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59056582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:02,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:02,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:02,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976957726] [2024-11-19 13:55:02,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:02,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:02,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:02,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:02,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:02,400 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:55:02,400 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 160 transitions, 2788 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:02,400 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:02,400 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:55:02,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:03,098 INFO L124 PetriNetUnfolderBase]: 1223/2474 cut-off events. [2024-11-19 13:55:03,098 INFO L125 PetriNetUnfolderBase]: For 24531/24535 co-relation queries the response was YES. [2024-11-19 13:55:03,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12173 conditions, 2474 events. 1223/2474 cut-off events. For 24531/24535 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 17037 event pairs, 637 based on Foata normal form. 12/2486 useless extension candidates. Maximal degree in co-relation 12127. Up to 1865 conditions per place. [2024-11-19 13:55:03,112 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 121 selfloop transitions, 57 changer transitions 26/206 dead transitions. [2024-11-19 13:55:03,112 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 206 transitions, 3375 flow [2024-11-19 13:55:03,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 13:55:03,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-19 13:55:03,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 216 transitions. [2024-11-19 13:55:03,114 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3157894736842105 [2024-11-19 13:55:03,114 INFO L175 Difference]: Start difference. First operand has 217 places, 160 transitions, 2788 flow. Second operand 18 states and 216 transitions. [2024-11-19 13:55:03,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 206 transitions, 3375 flow [2024-11-19 13:55:03,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 206 transitions, 3175 flow, removed 11 selfloop flow, removed 14 redundant places. [2024-11-19 13:55:03,177 INFO L231 Difference]: Finished difference. Result has 214 places, 152 transitions, 2592 flow [2024-11-19 13:55:03,177 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2571, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2592, PETRI_PLACES=214, PETRI_TRANSITIONS=152} [2024-11-19 13:55:03,178 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 175 predicate places. [2024-11-19 13:55:03,178 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 152 transitions, 2592 flow [2024-11-19 13:55:03,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:03,178 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:03,178 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:03,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-19 13:55:03,178 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:03,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:03,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1433386435, now seen corresponding path program 2 times [2024-11-19 13:55:03,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:03,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087033524] [2024-11-19 13:55:03,179 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:55:03,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:03,191 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:55:03,192 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:03,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:03,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:03,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087033524] [2024-11-19 13:55:03,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087033524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:03,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:03,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:03,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41063464] [2024-11-19 13:55:03,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:03,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:03,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:03,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:03,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:03,563 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:55:03,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 152 transitions, 2592 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:03,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:03,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:55:03,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:04,337 INFO L124 PetriNetUnfolderBase]: 1127/2286 cut-off events. [2024-11-19 13:55:04,337 INFO L125 PetriNetUnfolderBase]: For 20169/20173 co-relation queries the response was YES. [2024-11-19 13:55:04,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11001 conditions, 2286 events. 1127/2286 cut-off events. For 20169/20173 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 15541 event pairs, 591 based on Foata normal form. 14/2300 useless extension candidates. Maximal degree in co-relation 10956. Up to 1849 conditions per place. [2024-11-19 13:55:04,357 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 122 selfloop transitions, 37 changer transitions 25/186 dead transitions. [2024-11-19 13:55:04,357 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 186 transitions, 2988 flow [2024-11-19 13:55:04,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 13:55:04,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-19 13:55:04,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 182 transitions. [2024-11-19 13:55:04,358 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3192982456140351 [2024-11-19 13:55:04,358 INFO L175 Difference]: Start difference. First operand has 214 places, 152 transitions, 2592 flow. Second operand 15 states and 182 transitions. [2024-11-19 13:55:04,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 186 transitions, 2988 flow [2024-11-19 13:55:04,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 186 transitions, 2734 flow, removed 11 selfloop flow, removed 27 redundant places. [2024-11-19 13:55:04,441 INFO L231 Difference]: Finished difference. Result has 190 places, 144 transitions, 2279 flow [2024-11-19 13:55:04,441 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2282, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2279, PETRI_PLACES=190, PETRI_TRANSITIONS=144} [2024-11-19 13:55:04,442 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 151 predicate places. [2024-11-19 13:55:04,442 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 144 transitions, 2279 flow [2024-11-19 13:55:04,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:04,442 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:04,443 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:04,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-19 13:55:04,443 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:04,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:04,443 INFO L85 PathProgramCache]: Analyzing trace with hash 129437887, now seen corresponding path program 3 times [2024-11-19 13:55:04,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:04,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516247312] [2024-11-19 13:55:04,444 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:55:04,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:04,471 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:55:04,471 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:04,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:04,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:04,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516247312] [2024-11-19 13:55:04,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516247312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:04,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:04,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:04,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009268862] [2024-11-19 13:55:04,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:04,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:04,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:04,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:04,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:04,924 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:55:04,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 144 transitions, 2279 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:04,925 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:04,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:55:04,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:05,560 INFO L124 PetriNetUnfolderBase]: 1051/2144 cut-off events. [2024-11-19 13:55:05,560 INFO L125 PetriNetUnfolderBase]: For 17449/17453 co-relation queries the response was YES. [2024-11-19 13:55:05,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9898 conditions, 2144 events. 1051/2144 cut-off events. For 17449/17453 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 14195 event pairs, 372 based on Foata normal form. 14/2158 useless extension candidates. Maximal degree in co-relation 9856. Up to 1474 conditions per place. [2024-11-19 13:55:05,571 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 96 selfloop transitions, 60 changer transitions 30/188 dead transitions. [2024-11-19 13:55:05,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 188 transitions, 2707 flow [2024-11-19 13:55:05,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 13:55:05,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-19 13:55:05,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 220 transitions. [2024-11-19 13:55:05,573 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3216374269005848 [2024-11-19 13:55:05,573 INFO L175 Difference]: Start difference. First operand has 190 places, 144 transitions, 2279 flow. Second operand 18 states and 220 transitions. [2024-11-19 13:55:05,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 188 transitions, 2707 flow [2024-11-19 13:55:05,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 188 transitions, 2560 flow, removed 1 selfloop flow, removed 13 redundant places. [2024-11-19 13:55:05,615 INFO L231 Difference]: Finished difference. Result has 187 places, 133 transitions, 2070 flow [2024-11-19 13:55:05,615 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2078, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2070, PETRI_PLACES=187, PETRI_TRANSITIONS=133} [2024-11-19 13:55:05,615 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 148 predicate places. [2024-11-19 13:55:05,615 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 133 transitions, 2070 flow [2024-11-19 13:55:05,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:05,615 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:05,616 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:05,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-19 13:55:05,616 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:05,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:05,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1533214801, now seen corresponding path program 4 times [2024-11-19 13:55:05,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:05,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420455989] [2024-11-19 13:55:05,616 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 13:55:05,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:05,635 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 13:55:05,635 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:05,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:05,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:05,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420455989] [2024-11-19 13:55:05,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420455989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:05,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:05,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:05,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471366960] [2024-11-19 13:55:05,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:05,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:05,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:05,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:05,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:05,962 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:55:05,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 133 transitions, 2070 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:05,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:05,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:55:05,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:06,576 INFO L124 PetriNetUnfolderBase]: 959/1956 cut-off events. [2024-11-19 13:55:06,577 INFO L125 PetriNetUnfolderBase]: For 15715/15719 co-relation queries the response was YES. [2024-11-19 13:55:06,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9006 conditions, 1956 events. 959/1956 cut-off events. For 15715/15719 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 12750 event pairs, 307 based on Foata normal form. 14/1970 useless extension candidates. Maximal degree in co-relation 8965. Up to 1193 conditions per place. [2024-11-19 13:55:06,587 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 100 selfloop transitions, 62 changer transitions 15/179 dead transitions. [2024-11-19 13:55:06,588 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 179 transitions, 2491 flow [2024-11-19 13:55:06,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 13:55:06,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-19 13:55:06,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 227 transitions. [2024-11-19 13:55:06,589 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.314404432132964 [2024-11-19 13:55:06,589 INFO L175 Difference]: Start difference. First operand has 187 places, 133 transitions, 2070 flow. Second operand 19 states and 227 transitions. [2024-11-19 13:55:06,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 179 transitions, 2491 flow [2024-11-19 13:55:06,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 179 transitions, 2208 flow, removed 12 selfloop flow, removed 23 redundant places. [2024-11-19 13:55:06,639 INFO L231 Difference]: Finished difference. Result has 176 places, 127 transitions, 1813 flow [2024-11-19 13:55:06,639 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1737, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1813, PETRI_PLACES=176, PETRI_TRANSITIONS=127} [2024-11-19 13:55:06,642 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 137 predicate places. [2024-11-19 13:55:06,642 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 127 transitions, 1813 flow [2024-11-19 13:55:06,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:06,642 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:06,642 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:06,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-19 13:55:06,642 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:06,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:06,643 INFO L85 PathProgramCache]: Analyzing trace with hash -241778473, now seen corresponding path program 5 times [2024-11-19 13:55:06,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:06,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158550073] [2024-11-19 13:55:06,643 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 13:55:06,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:06,670 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:55:06,671 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:07,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:07,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:07,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158550073] [2024-11-19 13:55:07,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158550073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:07,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:07,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:07,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037909218] [2024-11-19 13:55:07,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:07,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:07,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:07,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:07,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:07,178 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:55:07,178 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 127 transitions, 1813 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:07,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:07,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:55:07,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:07,786 INFO L124 PetriNetUnfolderBase]: 874/1779 cut-off events. [2024-11-19 13:55:07,786 INFO L125 PetriNetUnfolderBase]: For 11979/11983 co-relation queries the response was YES. [2024-11-19 13:55:07,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7850 conditions, 1779 events. 874/1779 cut-off events. For 11979/11983 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 11436 event pairs, 434 based on Foata normal form. 14/1793 useless extension candidates. Maximal degree in co-relation 7813. Up to 1413 conditions per place. [2024-11-19 13:55:07,803 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 100 selfloop transitions, 25 changer transitions 29/156 dead transitions. [2024-11-19 13:55:07,803 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 156 transitions, 2147 flow [2024-11-19 13:55:07,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 13:55:07,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-19 13:55:07,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 149 transitions. [2024-11-19 13:55:07,804 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3267543859649123 [2024-11-19 13:55:07,805 INFO L175 Difference]: Start difference. First operand has 176 places, 127 transitions, 1813 flow. Second operand 12 states and 149 transitions. [2024-11-19 13:55:07,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 156 transitions, 2147 flow [2024-11-19 13:55:07,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 156 transitions, 1921 flow, removed 0 selfloop flow, removed 23 redundant places. [2024-11-19 13:55:07,856 INFO L231 Difference]: Finished difference. Result has 163 places, 117 transitions, 1527 flow [2024-11-19 13:55:07,856 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1539, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1527, PETRI_PLACES=163, PETRI_TRANSITIONS=117} [2024-11-19 13:55:07,857 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 124 predicate places. [2024-11-19 13:55:07,857 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 117 transitions, 1527 flow [2024-11-19 13:55:07,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:07,857 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:07,858 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:07,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-19 13:55:07,858 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:07,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:07,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1510618253, now seen corresponding path program 6 times [2024-11-19 13:55:07,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:07,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907236288] [2024-11-19 13:55:07,859 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 13:55:07,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:07,876 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 13:55:07,876 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:08,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:08,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:08,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907236288] [2024-11-19 13:55:08,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907236288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:08,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:08,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:08,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615559669] [2024-11-19 13:55:08,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:08,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:08,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:08,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:08,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:08,267 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:55:08,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 117 transitions, 1527 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:08,268 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:08,268 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:55:08,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:08,779 INFO L124 PetriNetUnfolderBase]: 798/1630 cut-off events. [2024-11-19 13:55:08,779 INFO L125 PetriNetUnfolderBase]: For 9518/9522 co-relation queries the response was YES. [2024-11-19 13:55:08,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6902 conditions, 1630 events. 798/1630 cut-off events. For 9518/9522 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 10165 event pairs, 196 based on Foata normal form. 11/1641 useless extension candidates. Maximal degree in co-relation 6867. Up to 819 conditions per place. [2024-11-19 13:55:08,787 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 75 selfloop transitions, 58 changer transitions 36/171 dead transitions. [2024-11-19 13:55:08,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 171 transitions, 2010 flow [2024-11-19 13:55:08,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 13:55:08,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-19 13:55:08,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 230 transitions. [2024-11-19 13:55:08,788 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3185595567867036 [2024-11-19 13:55:08,788 INFO L175 Difference]: Start difference. First operand has 163 places, 117 transitions, 1527 flow. Second operand 19 states and 230 transitions. [2024-11-19 13:55:08,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 171 transitions, 2010 flow [2024-11-19 13:55:08,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 171 transitions, 1909 flow, removed 1 selfloop flow, removed 10 redundant places. [2024-11-19 13:55:08,812 INFO L231 Difference]: Finished difference. Result has 159 places, 106 transitions, 1443 flow [2024-11-19 13:55:08,812 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1403, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1443, PETRI_PLACES=159, PETRI_TRANSITIONS=106} [2024-11-19 13:55:08,813 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 120 predicate places. [2024-11-19 13:55:08,813 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 106 transitions, 1443 flow [2024-11-19 13:55:08,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:08,813 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:08,813 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:08,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-19 13:55:08,813 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:08,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:08,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1552846389, now seen corresponding path program 2 times [2024-11-19 13:55:08,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:08,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743188093] [2024-11-19 13:55:08,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:55:08,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:08,827 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:55:08,827 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:09,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:09,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:09,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743188093] [2024-11-19 13:55:09,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743188093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:09,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:09,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:09,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279409062] [2024-11-19 13:55:09,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:09,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:09,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:09,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:09,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:09,102 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:55:09,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 106 transitions, 1443 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:09,102 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:09,102 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:55:09,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:09,683 INFO L124 PetriNetUnfolderBase]: 710/1449 cut-off events. [2024-11-19 13:55:09,683 INFO L125 PetriNetUnfolderBase]: For 9128/9132 co-relation queries the response was YES. [2024-11-19 13:55:09,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6339 conditions, 1449 events. 710/1449 cut-off events. For 9128/9132 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 8797 event pairs, 167 based on Foata normal form. 16/1465 useless extension candidates. Maximal degree in co-relation 6307. Up to 914 conditions per place. [2024-11-19 13:55:09,689 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 74 selfloop transitions, 50 changer transitions 21/147 dead transitions. [2024-11-19 13:55:09,689 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 147 transitions, 1819 flow [2024-11-19 13:55:09,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 13:55:09,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-19 13:55:09,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 226 transitions. [2024-11-19 13:55:09,690 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.29736842105263156 [2024-11-19 13:55:09,690 INFO L175 Difference]: Start difference. First operand has 159 places, 106 transitions, 1443 flow. Second operand 20 states and 226 transitions. [2024-11-19 13:55:09,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 147 transitions, 1819 flow [2024-11-19 13:55:09,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 147 transitions, 1469 flow, removed 12 selfloop flow, removed 28 redundant places. [2024-11-19 13:55:09,709 INFO L231 Difference]: Finished difference. Result has 143 places, 97 transitions, 1081 flow [2024-11-19 13:55:09,709 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1087, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=1081, PETRI_PLACES=143, PETRI_TRANSITIONS=97} [2024-11-19 13:55:09,710 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 104 predicate places. [2024-11-19 13:55:09,710 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 97 transitions, 1081 flow [2024-11-19 13:55:09,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:09,710 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:09,710 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:09,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-19 13:55:09,710 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:09,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:09,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1234752573, now seen corresponding path program 7 times [2024-11-19 13:55:09,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:09,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216384860] [2024-11-19 13:55:09,711 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 13:55:09,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:55:10,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:10,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:10,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216384860] [2024-11-19 13:55:10,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216384860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:10,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:10,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:10,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10154314] [2024-11-19 13:55:10,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:10,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:10,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:10,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:10,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:10,067 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:55:10,067 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 97 transitions, 1081 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:10,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:10,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:55:10,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:10,554 INFO L124 PetriNetUnfolderBase]: 626/1281 cut-off events. [2024-11-19 13:55:10,554 INFO L125 PetriNetUnfolderBase]: For 4884/4884 co-relation queries the response was YES. [2024-11-19 13:55:10,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4850 conditions, 1281 events. 626/1281 cut-off events. For 4884/4884 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 7513 event pairs, 147 based on Foata normal form. 14/1295 useless extension candidates. Maximal degree in co-relation 4827. Up to 784 conditions per place. [2024-11-19 13:55:10,559 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 76 selfloop transitions, 41 changer transitions 24/143 dead transitions. [2024-11-19 13:55:10,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 143 transitions, 1436 flow [2024-11-19 13:55:10,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 13:55:10,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-19 13:55:10,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 215 transitions. [2024-11-19 13:55:10,561 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31432748538011696 [2024-11-19 13:55:10,561 INFO L175 Difference]: Start difference. First operand has 143 places, 97 transitions, 1081 flow. Second operand 18 states and 215 transitions. [2024-11-19 13:55:10,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 143 transitions, 1436 flow [2024-11-19 13:55:10,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 143 transitions, 1293 flow, removed 1 selfloop flow, removed 19 redundant places. [2024-11-19 13:55:10,574 INFO L231 Difference]: Finished difference. Result has 134 places, 88 transitions, 878 flow [2024-11-19 13:55:10,574 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=900, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=878, PETRI_PLACES=134, PETRI_TRANSITIONS=88} [2024-11-19 13:55:10,574 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 95 predicate places. [2024-11-19 13:55:10,575 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 88 transitions, 878 flow [2024-11-19 13:55:10,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:10,575 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:10,575 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:10,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-19 13:55:10,575 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:10,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:10,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1819079619, now seen corresponding path program 8 times [2024-11-19 13:55:10,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:10,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262594327] [2024-11-19 13:55:10,576 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:55:10,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:10,589 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:55:10,589 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:10,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:10,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:10,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262594327] [2024-11-19 13:55:10,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262594327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:10,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:10,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:10,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874112730] [2024-11-19 13:55:10,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:10,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:10,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:10,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:10,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:10,983 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:55:10,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 88 transitions, 878 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:10,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:10,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:55:10,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:11,371 INFO L124 PetriNetUnfolderBase]: 538/1101 cut-off events. [2024-11-19 13:55:11,371 INFO L125 PetriNetUnfolderBase]: For 3669/3677 co-relation queries the response was YES. [2024-11-19 13:55:11,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3972 conditions, 1101 events. 538/1101 cut-off events. For 3669/3677 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 6173 event pairs, 142 based on Foata normal form. 18/1119 useless extension candidates. Maximal degree in co-relation 3950. Up to 684 conditions per place. [2024-11-19 13:55:11,375 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 61 selfloop transitions, 28 changer transitions 35/126 dead transitions. [2024-11-19 13:55:11,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 126 transitions, 1178 flow [2024-11-19 13:55:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 13:55:11,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-19 13:55:11,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 178 transitions. [2024-11-19 13:55:11,376 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.312280701754386 [2024-11-19 13:55:11,376 INFO L175 Difference]: Start difference. First operand has 134 places, 88 transitions, 878 flow. Second operand 15 states and 178 transitions. [2024-11-19 13:55:11,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 126 transitions, 1178 flow [2024-11-19 13:55:11,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 126 transitions, 1041 flow, removed 3 selfloop flow, removed 20 redundant places. [2024-11-19 13:55:11,385 INFO L231 Difference]: Finished difference. Result has 125 places, 75 transitions, 654 flow [2024-11-19 13:55:11,385 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=654, PETRI_PLACES=125, PETRI_TRANSITIONS=75} [2024-11-19 13:55:11,385 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 86 predicate places. [2024-11-19 13:55:11,385 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 75 transitions, 654 flow [2024-11-19 13:55:11,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:11,386 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:11,386 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:11,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-19 13:55:11,386 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:11,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:11,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1413371679, now seen corresponding path program 3 times [2024-11-19 13:55:11,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:11,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379681734] [2024-11-19 13:55:11,387 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:55:11,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:11,399 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:55:11,399 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:11,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:11,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379681734] [2024-11-19 13:55:11,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379681734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:11,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:11,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:11,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039046151] [2024-11-19 13:55:11,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:11,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:11,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:11,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:11,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:11,670 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:55:11,671 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 75 transitions, 654 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:11,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:11,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:55:11,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:12,155 INFO L124 PetriNetUnfolderBase]: 411/846 cut-off events. [2024-11-19 13:55:12,155 INFO L125 PetriNetUnfolderBase]: For 2346/2350 co-relation queries the response was YES. [2024-11-19 13:55:12,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2868 conditions, 846 events. 411/846 cut-off events. For 2346/2350 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4467 event pairs, 92 based on Foata normal form. 28/874 useless extension candidates. Maximal degree in co-relation 2849. Up to 426 conditions per place. [2024-11-19 13:55:12,158 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 45 selfloop transitions, 24 changer transitions 40/111 dead transitions. [2024-11-19 13:55:12,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 111 transitions, 929 flow [2024-11-19 13:55:12,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 13:55:12,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-19 13:55:12,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 212 transitions. [2024-11-19 13:55:12,158 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2789473684210526 [2024-11-19 13:55:12,159 INFO L175 Difference]: Start difference. First operand has 125 places, 75 transitions, 654 flow. Second operand 20 states and 212 transitions. [2024-11-19 13:55:12,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 111 transitions, 929 flow [2024-11-19 13:55:12,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 111 transitions, 816 flow, removed 2 selfloop flow, removed 15 redundant places. [2024-11-19 13:55:12,163 INFO L231 Difference]: Finished difference. Result has 118 places, 56 transitions, 412 flow [2024-11-19 13:55:12,164 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=412, PETRI_PLACES=118, PETRI_TRANSITIONS=56} [2024-11-19 13:55:12,164 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 79 predicate places. [2024-11-19 13:55:12,164 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 56 transitions, 412 flow [2024-11-19 13:55:12,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:12,164 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:12,164 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:12,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-19 13:55:12,164 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:12,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:12,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1327274515, now seen corresponding path program 4 times [2024-11-19 13:55:12,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:12,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126769847] [2024-11-19 13:55:12,165 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 13:55:12,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:12,177 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 13:55:12,177 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:12,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:12,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:12,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126769847] [2024-11-19 13:55:12,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126769847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:12,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:12,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:12,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554268055] [2024-11-19 13:55:12,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:12,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:12,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:12,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:12,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:12,534 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:55:12,535 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 56 transitions, 412 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:12,535 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:12,535 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:55:12,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:12,793 INFO L124 PetriNetUnfolderBase]: 248/519 cut-off events. [2024-11-19 13:55:12,794 INFO L125 PetriNetUnfolderBase]: For 760/760 co-relation queries the response was YES. [2024-11-19 13:55:12,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1747 conditions, 519 events. 248/519 cut-off events. For 760/760 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2376 event pairs, 60 based on Foata normal form. 12/531 useless extension candidates. Maximal degree in co-relation 1731. Up to 289 conditions per place. [2024-11-19 13:55:12,796 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 32 selfloop transitions, 16 changer transitions 30/80 dead transitions. [2024-11-19 13:55:12,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 80 transitions, 614 flow [2024-11-19 13:55:12,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 13:55:12,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-19 13:55:12,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 155 transitions. [2024-11-19 13:55:12,797 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2719298245614035 [2024-11-19 13:55:12,797 INFO L175 Difference]: Start difference. First operand has 118 places, 56 transitions, 412 flow. Second operand 15 states and 155 transitions. [2024-11-19 13:55:12,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 80 transitions, 614 flow [2024-11-19 13:55:12,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 80 transitions, 517 flow, removed 3 selfloop flow, removed 23 redundant places. [2024-11-19 13:55:12,800 INFO L231 Difference]: Finished difference. Result has 87 places, 42 transitions, 272 flow [2024-11-19 13:55:12,800 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=272, PETRI_PLACES=87, PETRI_TRANSITIONS=42} [2024-11-19 13:55:12,800 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 48 predicate places. [2024-11-19 13:55:12,800 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 42 transitions, 272 flow [2024-11-19 13:55:12,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:12,801 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:12,801 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:12,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-19 13:55:12,801 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:12,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:12,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1804568701, now seen corresponding path program 9 times [2024-11-19 13:55:12,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:12,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790734122] [2024-11-19 13:55:12,802 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:55:12,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:12,816 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:55:12,816 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:13,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:13,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:13,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790734122] [2024-11-19 13:55:13,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790734122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:13,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:13,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:13,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014460332] [2024-11-19 13:55:13,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:13,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:13,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:13,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:13,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:13,166 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:55:13,167 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 42 transitions, 272 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:13,167 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:13,167 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:55:13,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:13,497 INFO L124 PetriNetUnfolderBase]: 160/343 cut-off events. [2024-11-19 13:55:13,497 INFO L125 PetriNetUnfolderBase]: For 428/428 co-relation queries the response was YES. [2024-11-19 13:55:13,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1084 conditions, 343 events. 160/343 cut-off events. For 428/428 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1387 event pairs, 40 based on Foata normal form. 14/357 useless extension candidates. Maximal degree in co-relation 1074. Up to 159 conditions per place. [2024-11-19 13:55:13,499 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 25 selfloop transitions, 13 changer transitions 25/65 dead transitions. [2024-11-19 13:55:13,499 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 65 transitions, 426 flow [2024-11-19 13:55:13,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 13:55:13,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-19 13:55:13,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 128 transitions. [2024-11-19 13:55:13,500 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2807017543859649 [2024-11-19 13:55:13,500 INFO L175 Difference]: Start difference. First operand has 87 places, 42 transitions, 272 flow. Second operand 12 states and 128 transitions. [2024-11-19 13:55:13,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 65 transitions, 426 flow [2024-11-19 13:55:13,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 65 transitions, 374 flow, removed 3 selfloop flow, removed 11 redundant places. [2024-11-19 13:55:13,501 INFO L231 Difference]: Finished difference. Result has 67 places, 33 transitions, 174 flow [2024-11-19 13:55:13,502 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=174, PETRI_PLACES=67, PETRI_TRANSITIONS=33} [2024-11-19 13:55:13,502 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 28 predicate places. [2024-11-19 13:55:13,502 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 33 transitions, 174 flow [2024-11-19 13:55:13,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:13,502 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:55:13,502 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:55:13,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-19 13:55:13,502 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:55:13,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:55:13,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1376472031, now seen corresponding path program 10 times [2024-11-19 13:55:13,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:55:13,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036896909] [2024-11-19 13:55:13,503 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 13:55:13,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:55:13,517 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 13:55:13,517 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:55:13,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:55:13,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:55:13,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036896909] [2024-11-19 13:55:13,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036896909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:55:13,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:55:13,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:55:13,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143232648] [2024-11-19 13:55:13,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:55:13,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:55:13,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:55:13,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:55:13,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:55:13,900 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-19 13:55:13,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 33 transitions, 174 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:13,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:55:13,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-19 13:55:13,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:55:14,075 INFO L124 PetriNetUnfolderBase]: 78/181 cut-off events. [2024-11-19 13:55:14,076 INFO L125 PetriNetUnfolderBase]: For 128/128 co-relation queries the response was YES. [2024-11-19 13:55:14,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 181 events. 78/181 cut-off events. For 128/128 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 579 event pairs, 0 based on Foata normal form. 14/195 useless extension candidates. Maximal degree in co-relation 457. Up to 66 conditions per place. [2024-11-19 13:55:14,076 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 0 selfloop transitions, 0 changer transitions 51/51 dead transitions. [2024-11-19 13:55:14,076 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 51 transitions, 291 flow [2024-11-19 13:55:14,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 13:55:14,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-19 13:55:14,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 119 transitions. [2024-11-19 13:55:14,077 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.26096491228070173 [2024-11-19 13:55:14,077 INFO L175 Difference]: Start difference. First operand has 67 places, 33 transitions, 174 flow. Second operand 12 states and 119 transitions. [2024-11-19 13:55:14,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 51 transitions, 291 flow [2024-11-19 13:55:14,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 51 transitions, 251 flow, removed 0 selfloop flow, removed 12 redundant places. [2024-11-19 13:55:14,078 INFO L231 Difference]: Finished difference. Result has 49 places, 0 transitions, 0 flow [2024-11-19 13:55:14,078 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=0, PETRI_PLACES=49, PETRI_TRANSITIONS=0} [2024-11-19 13:55:14,079 INFO L277 CegarLoopForPetriNet]: 39 programPoint places, 10 predicate places. [2024-11-19 13:55:14,079 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 0 transitions, 0 flow [2024-11-19 13:55:14,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:55:14,081 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-11-19 13:55:14,082 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-11-19 13:55:14,082 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-19 13:55:14,082 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-19 13:55:14,082 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-19 13:55:14,082 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-19 13:55:14,082 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-19 13:55:14,082 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-19 13:55:14,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-19 13:55:14,083 INFO L407 BasicCegarLoop]: Path program histogram: [10, 10, 5, 4, 3, 3, 1, 1, 1] [2024-11-19 13:55:14,087 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 13:55:14,087 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:55:14,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:55:14 BasicIcfg [2024-11-19 13:55:14,092 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:55:14,093 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:55:14,093 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:55:14,093 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:55:14,093 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:54:32" (3/4) ... [2024-11-19 13:55:14,095 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 13:55:14,097 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-19 13:55:14,105 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 119 nodes and edges [2024-11-19 13:55:14,105 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2024-11-19 13:55:14,105 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-19 13:55:14,105 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 13:55:14,188 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 13:55:14,190 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 13:55:14,190 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:55:14,191 INFO L158 Benchmark]: Toolchain (without parser) took 43266.15ms. Allocated memory was 136.3MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 63.7MB in the beginning and 1.3GB in the end (delta: -1.3GB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. [2024-11-19 13:55:14,191 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 136.3MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:55:14,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.56ms. Allocated memory was 136.3MB in the beginning and 230.7MB in the end (delta: 94.4MB). Free memory was 63.4MB in the beginning and 171.0MB in the end (delta: -107.6MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-11-19 13:55:14,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.78ms. Allocated memory is still 230.7MB. Free memory was 171.0MB in the beginning and 167.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:55:14,192 INFO L158 Benchmark]: Boogie Preprocessor took 77.88ms. Allocated memory is still 230.7MB. Free memory was 167.8MB in the beginning and 163.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:55:14,192 INFO L158 Benchmark]: RCFGBuilder took 643.55ms. Allocated memory is still 230.7MB. Free memory was 163.6MB in the beginning and 111.2MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-11-19 13:55:14,192 INFO L158 Benchmark]: TraceAbstraction took 41870.64ms. Allocated memory was 230.7MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 110.2MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-11-19 13:55:14,192 INFO L158 Benchmark]: Witness Printer took 97.64ms. Allocated memory is still 1.5GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-19 13:55:14,196 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 136.3MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 518.56ms. Allocated memory was 136.3MB in the beginning and 230.7MB in the end (delta: 94.4MB). Free memory was 63.4MB in the beginning and 171.0MB in the end (delta: -107.6MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.78ms. Allocated memory is still 230.7MB. Free memory was 171.0MB in the beginning and 167.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.88ms. Allocated memory is still 230.7MB. Free memory was 167.8MB in the beginning and 163.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 643.55ms. Allocated memory is still 230.7MB. Free memory was 163.6MB in the beginning and 111.2MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * TraceAbstraction took 41870.64ms. Allocated memory was 230.7MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 110.2MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Witness Printer took 97.64ms. Allocated memory is still 1.5GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3905]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3905]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 48 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 41.8s, OverallIterations: 38, TraceHistogramMax: 1, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 25.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3711 SdHoareTripleChecker+Valid, 10.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3504 mSDsluCounter, 3593 SdHoareTripleChecker+Invalid, 8.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3484 mSDsCounter, 585 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16109 IncrementalHoareTripleChecker+Invalid, 16694 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 585 mSolverCounterUnsat, 109 mSDtfsCounter, 16109 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 691 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 651 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1914 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3199occurred in iteration=23, InterpolantAutomatonStates: 603, 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, 15.3s InterpolantComputationTime, 559 NumberOfCodeBlocks, 559 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 521 ConstructedInterpolants, 0 QuantifiedInterpolants, 7082 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 38 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-19 13:55:14,236 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