./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/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 ../../../trunk/examples/svcomp/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.graphml --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 fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 13:05:55,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 13:05:55,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 13:05:55,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 13:05:55,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 13:05:55,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 13:05:55,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 13:05:55,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 13:05:55,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 13:05:55,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 13:05:55,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 13:05:55,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 13:05:55,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 13:05:55,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 13:05:55,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 13:05:55,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 13:05:55,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 13:05:55,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 13:05:55,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 13:05:55,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 13:05:55,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 13:05:55,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 13:05:55,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 13:05:55,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 13:05:55,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 13:05:55,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 13:05:55,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 13:05:55,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 13:05:55,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 13:05:55,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 13:05:55,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 13:05:55,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 13:05:55,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 13:05:55,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 13:05:55,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 13:05:55,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 13:05:55,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 13:05:55,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 13:05:55,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 13:05:55,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 13:05:55,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 13:05:55,466 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 13:05:55,506 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 13:05:55,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 13:05:55,508 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 13:05:55,508 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 13:05:55,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 13:05:55,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 13:05:55,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 13:05:55,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 13:05:55,510 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 13:05:55,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 13:05:55,511 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 13:05:55,511 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 13:05:55,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 13:05:55,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 13:05:55,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 13:05:55,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 13:05:55,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 13:05:55,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 13:05:55,513 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 13:05:55,513 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 13:05:55,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 13:05:55,513 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 13:05:55,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 13:05:55,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 13:05:55,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 13:05:55,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 13:05:55,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:05:55,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 13:05:55,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 13:05:55,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 13:05:55,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 13:05:55,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 13:05:55,516 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 13:05:55,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 13:05:55,517 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 13:05:55,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 13:05:55,517 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 13:05:55,517 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 13:05:55,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 13:05:55,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 13:05:55,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 13:05:55,880 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 13:05:55,881 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 13:05:55,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2023-08-30 13:05:57,171 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 13:05:57,513 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 13:05:57,513 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2023-08-30 13:05:57,539 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e09659104/4737d817a8654073b4a886a7012269dd/FLAG511d4b0b9 [2023-08-30 13:05:57,562 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e09659104/4737d817a8654073b4a886a7012269dd [2023-08-30 13:05:57,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 13:05:57,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 13:05:57,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 13:05:57,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 13:05:57,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 13:05:57,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:05:57" (1/1) ... [2023-08-30 13:05:57,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e078c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:57, skipping insertion in model container [2023-08-30 13:05:57,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:05:57" (1/1) ... [2023-08-30 13:05:57,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 13:05:57,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 13:05:58,169 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i[76077,76090] [2023-08-30 13:05:58,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:05:58,216 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 13:05:58,276 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i[76077,76090] [2023-08-30 13:05:58,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:05:58,427 INFO L208 MainTranslator]: Completed translation [2023-08-30 13:05:58,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:58 WrapperNode [2023-08-30 13:05:58,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 13:05:58,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 13:05:58,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 13:05:58,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 13:05:58,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:58" (1/1) ... [2023-08-30 13:05:58,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:58" (1/1) ... [2023-08-30 13:05:58,503 INFO L138 Inliner]: procedures = 482, calls = 46, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 134 [2023-08-30 13:05:58,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 13:05:58,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 13:05:58,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 13:05:58,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 13:05:58,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:58" (1/1) ... [2023-08-30 13:05:58,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:58" (1/1) ... [2023-08-30 13:05:58,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:58" (1/1) ... [2023-08-30 13:05:58,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:58" (1/1) ... [2023-08-30 13:05:58,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:58" (1/1) ... [2023-08-30 13:05:58,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:58" (1/1) ... [2023-08-30 13:05:58,532 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:58" (1/1) ... [2023-08-30 13:05:58,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:58" (1/1) ... [2023-08-30 13:05:58,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 13:05:58,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 13:05:58,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 13:05:58,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 13:05:58,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:58" (1/1) ... [2023-08-30 13:05:58,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:05:58,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:05:58,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 13:05:58,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 13:05:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 13:05:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 13:05:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 13:05:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 13:05:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 13:05:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 13:05:58,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 13:05:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-30 13:05:58,622 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-30 13:05:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 13:05:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 13:05:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 13:05:58,624 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 13:05:58,949 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 13:05:58,950 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 13:05:59,158 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 13:05:59,164 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 13:05:59,164 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 13:05:59,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:05:59 BoogieIcfgContainer [2023-08-30 13:05:59,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 13:05:59,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 13:05:59,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 13:05:59,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 13:05:59,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:05:57" (1/3) ... [2023-08-30 13:05:59,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540012f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:05:59, skipping insertion in model container [2023-08-30 13:05:59,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:58" (2/3) ... [2023-08-30 13:05:59,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540012f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:05:59, skipping insertion in model container [2023-08-30 13:05:59,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:05:59" (3/3) ... [2023-08-30 13:05:59,172 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2023-08-30 13:05:59,181 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 13:05:59,188 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 13:05:59,188 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-30 13:05:59,189 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 13:05:59,265 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 13:05:59,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 175 places, 177 transitions, 370 flow [2023-08-30 13:05:59,395 INFO L130 PetriNetUnfolder]: 10/213 cut-off events. [2023-08-30 13:05:59,396 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 13:05:59,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 213 events. 10/213 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 378 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 125. Up to 4 conditions per place. [2023-08-30 13:05:59,401 INFO L82 GeneralOperation]: Start removeDead. Operand has 175 places, 177 transitions, 370 flow [2023-08-30 13:05:59,409 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 150 places, 147 transitions, 303 flow [2023-08-30 13:05:59,412 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 13:05:59,424 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 147 transitions, 303 flow [2023-08-30 13:05:59,430 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 147 transitions, 303 flow [2023-08-30 13:05:59,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 150 places, 147 transitions, 303 flow [2023-08-30 13:05:59,472 INFO L130 PetriNetUnfolder]: 4/147 cut-off events. [2023-08-30 13:05:59,472 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 13:05:59,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 147 events. 4/147 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 177 event pairs, 0 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 85. Up to 2 conditions per place. [2023-08-30 13:05:59,476 INFO L119 LiptonReduction]: Number of co-enabled transitions 3996 [2023-08-30 13:06:07,539 INFO L134 LiptonReduction]: Checked pairs total: 8740 [2023-08-30 13:06:07,539 INFO L136 LiptonReduction]: Total number of compositions: 148 [2023-08-30 13:06:07,549 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 13:06:07,554 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@5793c537, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 13:06:07,554 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-08-30 13:06:07,558 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-30 13:06:07,558 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:06:07,558 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:07,559 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 13:06:07,559 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:07,563 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:07,563 INFO L85 PathProgramCache]: Analyzing trace with hash 555665798, now seen corresponding path program 1 times [2023-08-30 13:06:07,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:07,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639236066] [2023-08-30 13:06:07,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:07,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:08,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:08,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:08,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639236066] [2023-08-30 13:06:08,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639236066] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:08,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:08,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 13:06:08,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437090877] [2023-08-30 13:06:08,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:08,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-30 13:06:08,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:08,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-30 13:06:08,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-30 13:06:08,746 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 325 [2023-08-30 13:06:08,750 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 27 transitions, 63 flow. Second operand has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:08,751 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:08,751 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 325 [2023-08-30 13:06:08,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:08,907 INFO L130 PetriNetUnfolder]: 194/361 cut-off events. [2023-08-30 13:06:08,907 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2023-08-30 13:06:08,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 752 conditions, 361 events. 194/361 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1322 event pairs, 173 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 644. Up to 357 conditions per place. [2023-08-30 13:06:08,911 INFO L137 encePairwiseOnDemand]: 316/325 looper letters, 21 selfloop transitions, 8 changer transitions 0/29 dead transitions. [2023-08-30 13:06:08,911 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 29 transitions, 125 flow [2023-08-30 13:06:08,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-30 13:06:08,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-30 13:06:08,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 914 transitions. [2023-08-30 13:06:08,927 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4687179487179487 [2023-08-30 13:06:08,928 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 914 transitions. [2023-08-30 13:06:08,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 914 transitions. [2023-08-30 13:06:08,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:08,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 914 transitions. [2023-08-30 13:06:08,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 152.33333333333334) internal successors, (914), 6 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:08,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:08,948 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:08,950 INFO L175 Difference]: Start difference. First operand has 33 places, 27 transitions, 63 flow. Second operand 6 states and 914 transitions. [2023-08-30 13:06:08,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 29 transitions, 125 flow [2023-08-30 13:06:08,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 29 transitions, 120 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-30 13:06:08,954 INFO L231 Difference]: Finished difference. Result has 34 places, 28 transitions, 97 flow [2023-08-30 13:06:08,956 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=97, PETRI_PLACES=34, PETRI_TRANSITIONS=28} [2023-08-30 13:06:08,959 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 1 predicate places. [2023-08-30 13:06:08,959 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 28 transitions, 97 flow [2023-08-30 13:06:08,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:08,960 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:08,960 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 13:06:08,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 13:06:08,960 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:08,961 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:08,961 INFO L85 PathProgramCache]: Analyzing trace with hash 45839813, now seen corresponding path program 1 times [2023-08-30 13:06:08,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:08,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869831689] [2023-08-30 13:06:08,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:08,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:09,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:09,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:09,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869831689] [2023-08-30 13:06:09,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869831689] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:09,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:09,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-30 13:06:09,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82068450] [2023-08-30 13:06:09,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:09,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-30 13:06:09,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:09,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-30 13:06:09,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-30 13:06:09,590 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 325 [2023-08-30 13:06:09,591 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 28 transitions, 97 flow. Second operand has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:09,592 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:09,592 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 325 [2023-08-30 13:06:09,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:09,759 INFO L130 PetriNetUnfolder]: 180/337 cut-off events. [2023-08-30 13:06:09,760 INFO L131 PetriNetUnfolder]: For 60/60 co-relation queries the response was YES. [2023-08-30 13:06:09,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 337 events. 180/337 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1255 event pairs, 51 based on Foata normal form. 5/292 useless extension candidates. Maximal degree in co-relation 735. Up to 294 conditions per place. [2023-08-30 13:06:09,762 INFO L137 encePairwiseOnDemand]: 317/325 looper letters, 33 selfloop transitions, 11 changer transitions 0/44 dead transitions. [2023-08-30 13:06:09,763 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 44 transitions, 229 flow [2023-08-30 13:06:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-30 13:06:09,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-30 13:06:09,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 919 transitions. [2023-08-30 13:06:09,765 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4712820512820513 [2023-08-30 13:06:09,766 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 919 transitions. [2023-08-30 13:06:09,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 919 transitions. [2023-08-30 13:06:09,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:09,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 919 transitions. [2023-08-30 13:06:09,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 153.16666666666666) internal successors, (919), 6 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:09,772 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:09,773 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:09,773 INFO L175 Difference]: Start difference. First operand has 34 places, 28 transitions, 97 flow. Second operand 6 states and 919 transitions. [2023-08-30 13:06:09,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 44 transitions, 229 flow [2023-08-30 13:06:09,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 44 transitions, 227 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 13:06:09,775 INFO L231 Difference]: Finished difference. Result has 41 places, 34 transitions, 161 flow [2023-08-30 13:06:09,776 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=161, PETRI_PLACES=41, PETRI_TRANSITIONS=34} [2023-08-30 13:06:09,776 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 8 predicate places. [2023-08-30 13:06:09,776 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 34 transitions, 161 flow [2023-08-30 13:06:09,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:09,777 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:09,777 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:09,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 13:06:09,778 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:09,778 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:09,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1429425056, now seen corresponding path program 1 times [2023-08-30 13:06:09,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:09,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100400129] [2023-08-30 13:06:09,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:09,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:10,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:10,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:10,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100400129] [2023-08-30 13:06:10,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100400129] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:10,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:10,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-30 13:06:10,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933485390] [2023-08-30 13:06:10,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:10,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-30 13:06:10,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:10,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-30 13:06:10,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-30 13:06:10,363 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 325 [2023-08-30 13:06:10,365 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 34 transitions, 161 flow. Second operand has 6 states, 6 states have (on average 147.16666666666666) internal successors, (883), 6 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:10,365 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:10,365 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 325 [2023-08-30 13:06:10,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:10,495 INFO L130 PetriNetUnfolder]: 168/317 cut-off events. [2023-08-30 13:06:10,495 INFO L131 PetriNetUnfolder]: For 180/180 co-relation queries the response was YES. [2023-08-30 13:06:10,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 854 conditions, 317 events. 168/317 cut-off events. For 180/180 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1136 event pairs, 62 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 792. Up to 282 conditions per place. [2023-08-30 13:06:10,498 INFO L137 encePairwiseOnDemand]: 317/325 looper letters, 36 selfloop transitions, 11 changer transitions 0/47 dead transitions. [2023-08-30 13:06:10,498 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 47 transitions, 315 flow [2023-08-30 13:06:10,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-30 13:06:10,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-30 13:06:10,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 917 transitions. [2023-08-30 13:06:10,501 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47025641025641024 [2023-08-30 13:06:10,501 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 917 transitions. [2023-08-30 13:06:10,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 917 transitions. [2023-08-30 13:06:10,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:10,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 917 transitions. [2023-08-30 13:06:10,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 152.83333333333334) internal successors, (917), 6 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:10,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:10,508 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:10,508 INFO L175 Difference]: Start difference. First operand has 41 places, 34 transitions, 161 flow. Second operand 6 states and 917 transitions. [2023-08-30 13:06:10,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 47 transitions, 315 flow [2023-08-30 13:06:10,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 47 transitions, 299 flow, removed 7 selfloop flow, removed 1 redundant places. [2023-08-30 13:06:10,511 INFO L231 Difference]: Finished difference. Result has 48 places, 40 transitions, 222 flow [2023-08-30 13:06:10,511 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=222, PETRI_PLACES=48, PETRI_TRANSITIONS=40} [2023-08-30 13:06:10,512 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 15 predicate places. [2023-08-30 13:06:10,512 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 40 transitions, 222 flow [2023-08-30 13:06:10,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.16666666666666) internal successors, (883), 6 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:10,513 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:10,513 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:10,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 13:06:10,513 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:10,514 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:10,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1950690911, now seen corresponding path program 1 times [2023-08-30 13:06:10,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:10,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551681752] [2023-08-30 13:06:10,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:10,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:11,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:11,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:11,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551681752] [2023-08-30 13:06:11,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551681752] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:11,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:11,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-30 13:06:11,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677390097] [2023-08-30 13:06:11,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:11,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-30 13:06:11,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:11,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-30 13:06:11,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-08-30 13:06:11,418 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 325 [2023-08-30 13:06:11,420 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 222 flow. Second operand has 9 states, 9 states have (on average 145.0) internal successors, (1305), 9 states have internal predecessors, (1305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:11,420 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:11,420 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 325 [2023-08-30 13:06:11,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:11,693 INFO L130 PetriNetUnfolder]: 216/397 cut-off events. [2023-08-30 13:06:11,693 INFO L131 PetriNetUnfolder]: For 217/217 co-relation queries the response was YES. [2023-08-30 13:06:11,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1160 conditions, 397 events. 216/397 cut-off events. For 217/217 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1520 event pairs, 51 based on Foata normal form. 8/374 useless extension candidates. Maximal degree in co-relation 1092. Up to 292 conditions per place. [2023-08-30 13:06:11,695 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 48 selfloop transitions, 18 changer transitions 0/66 dead transitions. [2023-08-30 13:06:11,695 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 66 transitions, 478 flow [2023-08-30 13:06:11,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-30 13:06:11,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-30 13:06:11,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1060 transitions. [2023-08-30 13:06:11,703 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46593406593406594 [2023-08-30 13:06:11,704 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1060 transitions. [2023-08-30 13:06:11,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1060 transitions. [2023-08-30 13:06:11,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:11,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1060 transitions. [2023-08-30 13:06:11,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 151.42857142857142) internal successors, (1060), 7 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:11,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 325.0) internal successors, (2600), 8 states have internal predecessors, (2600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:11,713 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 325.0) internal successors, (2600), 8 states have internal predecessors, (2600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:11,713 INFO L175 Difference]: Start difference. First operand has 48 places, 40 transitions, 222 flow. Second operand 7 states and 1060 transitions. [2023-08-30 13:06:11,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 66 transitions, 478 flow [2023-08-30 13:06:11,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 66 transitions, 455 flow, removed 6 selfloop flow, removed 1 redundant places. [2023-08-30 13:06:11,719 INFO L231 Difference]: Finished difference. Result has 56 places, 51 transitions, 348 flow [2023-08-30 13:06:11,720 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=209, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=348, PETRI_PLACES=56, PETRI_TRANSITIONS=51} [2023-08-30 13:06:11,721 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 23 predicate places. [2023-08-30 13:06:11,721 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 51 transitions, 348 flow [2023-08-30 13:06:11,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 145.0) internal successors, (1305), 9 states have internal predecessors, (1305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:11,722 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:11,722 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:11,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-30 13:06:11,723 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:11,723 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:11,723 INFO L85 PathProgramCache]: Analyzing trace with hash -707811565, now seen corresponding path program 2 times [2023-08-30 13:06:11,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:11,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461859566] [2023-08-30 13:06:11,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:11,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:12,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:12,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:12,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461859566] [2023-08-30 13:06:12,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461859566] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:12,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:12,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-30 13:06:12,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664849037] [2023-08-30 13:06:12,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:12,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-30 13:06:12,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:12,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-30 13:06:12,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-08-30 13:06:12,648 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 325 [2023-08-30 13:06:12,649 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 51 transitions, 348 flow. Second operand has 9 states, 9 states have (on average 145.0) internal successors, (1305), 9 states have internal predecessors, (1305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:12,649 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:12,649 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 325 [2023-08-30 13:06:12,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:13,154 INFO L130 PetriNetUnfolder]: 276/498 cut-off events. [2023-08-30 13:06:13,154 INFO L131 PetriNetUnfolder]: For 541/541 co-relation queries the response was YES. [2023-08-30 13:06:13,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1667 conditions, 498 events. 276/498 cut-off events. For 541/541 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1996 event pairs, 69 based on Foata normal form. 8/471 useless extension candidates. Maximal degree in co-relation 1425. Up to 359 conditions per place. [2023-08-30 13:06:13,158 INFO L137 encePairwiseOnDemand]: 313/325 looper letters, 49 selfloop transitions, 43 changer transitions 0/92 dead transitions. [2023-08-30 13:06:13,158 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 92 transitions, 776 flow [2023-08-30 13:06:13,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-30 13:06:13,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-30 13:06:13,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2088 transitions. [2023-08-30 13:06:13,163 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4589010989010989 [2023-08-30 13:06:13,164 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2088 transitions. [2023-08-30 13:06:13,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2088 transitions. [2023-08-30 13:06:13,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:13,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2088 transitions. [2023-08-30 13:06:13,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 149.14285714285714) internal successors, (2088), 14 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:13,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 325.0) internal successors, (4875), 15 states have internal predecessors, (4875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:13,176 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 325.0) internal successors, (4875), 15 states have internal predecessors, (4875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:13,176 INFO L175 Difference]: Start difference. First operand has 56 places, 51 transitions, 348 flow. Second operand 14 states and 2088 transitions. [2023-08-30 13:06:13,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 92 transitions, 776 flow [2023-08-30 13:06:13,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 92 transitions, 743 flow, removed 4 selfloop flow, removed 3 redundant places. [2023-08-30 13:06:13,181 INFO L231 Difference]: Finished difference. Result has 69 places, 73 transitions, 629 flow [2023-08-30 13:06:13,181 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=629, PETRI_PLACES=69, PETRI_TRANSITIONS=73} [2023-08-30 13:06:13,182 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 36 predicate places. [2023-08-30 13:06:13,182 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 73 transitions, 629 flow [2023-08-30 13:06:13,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 145.0) internal successors, (1305), 9 states have internal predecessors, (1305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:13,182 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:13,183 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:13,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-30 13:06:13,183 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:13,183 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:13,183 INFO L85 PathProgramCache]: Analyzing trace with hash -733499141, now seen corresponding path program 1 times [2023-08-30 13:06:13,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:13,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103051944] [2023-08-30 13:06:13,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:13,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:13,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:13,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:13,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103051944] [2023-08-30 13:06:13,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103051944] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:13,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:13,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-30 13:06:13,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655852952] [2023-08-30 13:06:13,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:13,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-30 13:06:13,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:13,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-30 13:06:13,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-08-30 13:06:13,645 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 325 [2023-08-30 13:06:13,646 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 73 transitions, 629 flow. Second operand has 7 states, 7 states have (on average 154.14285714285714) internal successors, (1079), 7 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:13,646 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:13,646 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 325 [2023-08-30 13:06:13,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:13,848 INFO L130 PetriNetUnfolder]: 176/374 cut-off events. [2023-08-30 13:06:13,848 INFO L131 PetriNetUnfolder]: For 569/569 co-relation queries the response was YES. [2023-08-30 13:06:13,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1282 conditions, 374 events. 176/374 cut-off events. For 569/569 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1614 event pairs, 27 based on Foata normal form. 16/368 useless extension candidates. Maximal degree in co-relation 1076. Up to 160 conditions per place. [2023-08-30 13:06:13,869 INFO L137 encePairwiseOnDemand]: 318/325 looper letters, 56 selfloop transitions, 17 changer transitions 7/86 dead transitions. [2023-08-30 13:06:13,869 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 86 transitions, 788 flow [2023-08-30 13:06:13,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-30 13:06:13,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-30 13:06:13,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1121 transitions. [2023-08-30 13:06:13,872 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49274725274725273 [2023-08-30 13:06:13,872 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1121 transitions. [2023-08-30 13:06:13,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1121 transitions. [2023-08-30 13:06:13,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:13,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1121 transitions. [2023-08-30 13:06:13,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 160.14285714285714) internal successors, (1121), 7 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:13,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 325.0) internal successors, (2600), 8 states have internal predecessors, (2600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:13,879 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 325.0) internal successors, (2600), 8 states have internal predecessors, (2600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:13,880 INFO L175 Difference]: Start difference. First operand has 69 places, 73 transitions, 629 flow. Second operand 7 states and 1121 transitions. [2023-08-30 13:06:13,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 86 transitions, 788 flow [2023-08-30 13:06:13,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 86 transitions, 720 flow, removed 18 selfloop flow, removed 6 redundant places. [2023-08-30 13:06:13,884 INFO L231 Difference]: Finished difference. Result has 68 places, 60 transitions, 489 flow [2023-08-30 13:06:13,885 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=489, PETRI_PLACES=68, PETRI_TRANSITIONS=60} [2023-08-30 13:06:13,885 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 35 predicate places. [2023-08-30 13:06:13,885 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 60 transitions, 489 flow [2023-08-30 13:06:13,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 154.14285714285714) internal successors, (1079), 7 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:13,886 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:13,886 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:13,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-30 13:06:13,887 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:13,887 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:13,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1953141507, now seen corresponding path program 2 times [2023-08-30 13:06:13,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:13,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071257766] [2023-08-30 13:06:13,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:13,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:14,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:14,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:14,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071257766] [2023-08-30 13:06:14,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071257766] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:14,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:14,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-30 13:06:14,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275570656] [2023-08-30 13:06:14,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:14,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-30 13:06:14,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:14,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-30 13:06:14,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-08-30 13:06:14,259 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 325 [2023-08-30 13:06:14,260 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 60 transitions, 489 flow. Second operand has 7 states, 7 states have (on average 154.14285714285714) internal successors, (1079), 7 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:14,260 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:14,260 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 325 [2023-08-30 13:06:14,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:14,383 INFO L130 PetriNetUnfolder]: 50/136 cut-off events. [2023-08-30 13:06:14,383 INFO L131 PetriNetUnfolder]: For 390/390 co-relation queries the response was YES. [2023-08-30 13:06:14,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 553 conditions, 136 events. 50/136 cut-off events. For 390/390 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 483 event pairs, 22 based on Foata normal form. 14/140 useless extension candidates. Maximal degree in co-relation 459. Up to 64 conditions per place. [2023-08-30 13:06:14,384 INFO L137 encePairwiseOnDemand]: 319/325 looper letters, 36 selfloop transitions, 13 changer transitions 0/51 dead transitions. [2023-08-30 13:06:14,384 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 51 transitions, 488 flow [2023-08-30 13:06:14,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-30 13:06:14,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-30 13:06:14,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 948 transitions. [2023-08-30 13:06:14,387 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48615384615384616 [2023-08-30 13:06:14,388 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 948 transitions. [2023-08-30 13:06:14,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 948 transitions. [2023-08-30 13:06:14,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:14,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 948 transitions. [2023-08-30 13:06:14,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 158.0) internal successors, (948), 6 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:14,393 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:14,394 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:14,394 INFO L175 Difference]: Start difference. First operand has 68 places, 60 transitions, 489 flow. Second operand 6 states and 948 transitions. [2023-08-30 13:06:14,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 51 transitions, 488 flow [2023-08-30 13:06:14,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 51 transitions, 459 flow, removed 7 selfloop flow, removed 6 redundant places. [2023-08-30 13:06:14,397 INFO L231 Difference]: Finished difference. Result has 67 places, 46 transitions, 386 flow [2023-08-30 13:06:14,398 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=386, PETRI_PLACES=67, PETRI_TRANSITIONS=46} [2023-08-30 13:06:14,398 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 34 predicate places. [2023-08-30 13:06:14,398 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 46 transitions, 386 flow [2023-08-30 13:06:14,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 154.14285714285714) internal successors, (1079), 7 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:14,399 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:14,399 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:14,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-30 13:06:14,400 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:14,400 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:14,400 INFO L85 PathProgramCache]: Analyzing trace with hash 484799361, now seen corresponding path program 1 times [2023-08-30 13:06:14,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:14,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773969275] [2023-08-30 13:06:14,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:14,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:15,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:15,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:15,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773969275] [2023-08-30 13:06:15,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773969275] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:15,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:15,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 13:06:15,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427957644] [2023-08-30 13:06:15,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:15,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 13:06:15,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:15,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 13:06:15,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-08-30 13:06:15,844 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 325 [2023-08-30 13:06:15,846 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 46 transitions, 386 flow. Second operand has 11 states, 11 states have (on average 139.0909090909091) internal successors, (1530), 11 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:15,846 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:15,846 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 325 [2023-08-30 13:06:15,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:16,169 INFO L130 PetriNetUnfolder]: 69/182 cut-off events. [2023-08-30 13:06:16,169 INFO L131 PetriNetUnfolder]: For 414/414 co-relation queries the response was YES. [2023-08-30 13:06:16,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 182 events. 69/182 cut-off events. For 414/414 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 677 event pairs, 13 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 543. Up to 96 conditions per place. [2023-08-30 13:06:16,172 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 48 selfloop transitions, 20 changer transitions 2/70 dead transitions. [2023-08-30 13:06:16,172 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 70 transitions, 628 flow [2023-08-30 13:06:16,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 13:06:16,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 13:06:16,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1434 transitions. [2023-08-30 13:06:16,176 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4412307692307692 [2023-08-30 13:06:16,176 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1434 transitions. [2023-08-30 13:06:16,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1434 transitions. [2023-08-30 13:06:16,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:16,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1434 transitions. [2023-08-30 13:06:16,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 143.4) internal successors, (1434), 10 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:16,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 325.0) internal successors, (3575), 11 states have internal predecessors, (3575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:16,185 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 325.0) internal successors, (3575), 11 states have internal predecessors, (3575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:16,185 INFO L175 Difference]: Start difference. First operand has 67 places, 46 transitions, 386 flow. Second operand 10 states and 1434 transitions. [2023-08-30 13:06:16,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 70 transitions, 628 flow [2023-08-30 13:06:16,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 70 transitions, 608 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-08-30 13:06:16,189 INFO L231 Difference]: Finished difference. Result has 76 places, 54 transitions, 497 flow [2023-08-30 13:06:16,190 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=497, PETRI_PLACES=76, PETRI_TRANSITIONS=54} [2023-08-30 13:06:16,192 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 43 predicate places. [2023-08-30 13:06:16,192 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 54 transitions, 497 flow [2023-08-30 13:06:16,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 139.0909090909091) internal successors, (1530), 11 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:16,193 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:16,193 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:16,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-30 13:06:16,193 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:16,201 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:16,201 INFO L85 PathProgramCache]: Analyzing trace with hash 417833700, now seen corresponding path program 1 times [2023-08-30 13:06:16,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:16,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199278298] [2023-08-30 13:06:16,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:16,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:17,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:17,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:17,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199278298] [2023-08-30 13:06:17,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199278298] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:17,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:17,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-30 13:06:17,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118167890] [2023-08-30 13:06:17,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:17,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-30 13:06:17,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:17,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-30 13:06:17,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-30 13:06:17,649 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 325 [2023-08-30 13:06:17,651 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 54 transitions, 497 flow. Second operand has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:17,651 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:17,651 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 325 [2023-08-30 13:06:17,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:18,179 INFO L130 PetriNetUnfolder]: 72/189 cut-off events. [2023-08-30 13:06:18,179 INFO L131 PetriNetUnfolder]: For 622/622 co-relation queries the response was YES. [2023-08-30 13:06:18,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 847 conditions, 189 events. 72/189 cut-off events. For 622/622 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 716 event pairs, 20 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 714. Up to 121 conditions per place. [2023-08-30 13:06:18,181 INFO L137 encePairwiseOnDemand]: 312/325 looper letters, 43 selfloop transitions, 29 changer transitions 1/73 dead transitions. [2023-08-30 13:06:18,181 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 73 transitions, 779 flow [2023-08-30 13:06:18,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-30 13:06:18,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-30 13:06:18,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2152 transitions. [2023-08-30 13:06:18,187 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44143589743589745 [2023-08-30 13:06:18,187 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2152 transitions. [2023-08-30 13:06:18,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2152 transitions. [2023-08-30 13:06:18,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:18,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2152 transitions. [2023-08-30 13:06:18,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 143.46666666666667) internal successors, (2152), 15 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:18,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 325.0) internal successors, (5200), 16 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:18,200 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 325.0) internal successors, (5200), 16 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:18,200 INFO L175 Difference]: Start difference. First operand has 76 places, 54 transitions, 497 flow. Second operand 15 states and 2152 transitions. [2023-08-30 13:06:18,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 73 transitions, 779 flow [2023-08-30 13:06:18,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 73 transitions, 732 flow, removed 6 selfloop flow, removed 4 redundant places. [2023-08-30 13:06:18,204 INFO L231 Difference]: Finished difference. Result has 86 places, 56 transitions, 559 flow [2023-08-30 13:06:18,205 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=559, PETRI_PLACES=86, PETRI_TRANSITIONS=56} [2023-08-30 13:06:18,205 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 53 predicate places. [2023-08-30 13:06:18,205 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 56 transitions, 559 flow [2023-08-30 13:06:18,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:18,206 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:18,206 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:18,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-30 13:06:18,207 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:18,207 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:18,207 INFO L85 PathProgramCache]: Analyzing trace with hash -371214299, now seen corresponding path program 2 times [2023-08-30 13:06:18,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:18,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269058714] [2023-08-30 13:06:18,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:18,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:18,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:18,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:18,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269058714] [2023-08-30 13:06:18,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269058714] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:18,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:18,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-30 13:06:18,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372418283] [2023-08-30 13:06:18,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:18,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-30 13:06:18,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:18,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-30 13:06:18,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-08-30 13:06:18,994 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 325 [2023-08-30 13:06:18,995 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 56 transitions, 559 flow. Second operand has 9 states, 9 states have (on average 145.22222222222223) internal successors, (1307), 9 states have internal predecessors, (1307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:18,996 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:18,996 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 325 [2023-08-30 13:06:18,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:19,269 INFO L130 PetriNetUnfolder]: 64/190 cut-off events. [2023-08-30 13:06:19,270 INFO L131 PetriNetUnfolder]: For 637/637 co-relation queries the response was YES. [2023-08-30 13:06:19,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 896 conditions, 190 events. 64/190 cut-off events. For 637/637 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 819 event pairs, 19 based on Foata normal form. 3/192 useless extension candidates. Maximal degree in co-relation 771. Up to 97 conditions per place. [2023-08-30 13:06:19,272 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 57 selfloop transitions, 22 changer transitions 0/81 dead transitions. [2023-08-30 13:06:19,272 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 81 transitions, 840 flow [2023-08-30 13:06:19,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 13:06:19,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 13:06:19,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1634 transitions. [2023-08-30 13:06:19,276 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45706293706293705 [2023-08-30 13:06:19,276 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1634 transitions. [2023-08-30 13:06:19,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1634 transitions. [2023-08-30 13:06:19,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:19,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1634 transitions. [2023-08-30 13:06:19,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 148.54545454545453) internal successors, (1634), 11 states have internal predecessors, (1634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:19,284 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:19,285 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:19,285 INFO L175 Difference]: Start difference. First operand has 86 places, 56 transitions, 559 flow. Second operand 11 states and 1634 transitions. [2023-08-30 13:06:19,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 81 transitions, 840 flow [2023-08-30 13:06:19,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 81 transitions, 747 flow, removed 5 selfloop flow, removed 15 redundant places. [2023-08-30 13:06:19,290 INFO L231 Difference]: Finished difference. Result has 86 places, 65 transitions, 612 flow [2023-08-30 13:06:19,290 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=612, PETRI_PLACES=86, PETRI_TRANSITIONS=65} [2023-08-30 13:06:19,290 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 53 predicate places. [2023-08-30 13:06:19,291 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 65 transitions, 612 flow [2023-08-30 13:06:19,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 145.22222222222223) internal successors, (1307), 9 states have internal predecessors, (1307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:19,291 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:19,291 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:19,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-30 13:06:19,291 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:19,292 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:19,292 INFO L85 PathProgramCache]: Analyzing trace with hash 417833717, now seen corresponding path program 1 times [2023-08-30 13:06:19,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:19,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699662137] [2023-08-30 13:06:19,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:19,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:20,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:20,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:20,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699662137] [2023-08-30 13:06:20,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699662137] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:20,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:20,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-30 13:06:20,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030458472] [2023-08-30 13:06:20,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:20,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-30 13:06:20,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:20,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-30 13:06:20,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-30 13:06:20,514 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 325 [2023-08-30 13:06:20,515 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 65 transitions, 612 flow. Second operand has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:20,515 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:20,515 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 325 [2023-08-30 13:06:20,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:21,017 INFO L130 PetriNetUnfolder]: 75/206 cut-off events. [2023-08-30 13:06:21,017 INFO L131 PetriNetUnfolder]: For 773/773 co-relation queries the response was YES. [2023-08-30 13:06:21,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 968 conditions, 206 events. 75/206 cut-off events. For 773/773 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 828 event pairs, 23 based on Foata normal form. 2/208 useless extension candidates. Maximal degree in co-relation 864. Up to 141 conditions per place. [2023-08-30 13:06:21,019 INFO L137 encePairwiseOnDemand]: 312/325 looper letters, 44 selfloop transitions, 23 changer transitions 13/80 dead transitions. [2023-08-30 13:06:21,019 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 80 transitions, 871 flow [2023-08-30 13:06:21,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-30 13:06:21,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-30 13:06:21,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2150 transitions. [2023-08-30 13:06:21,025 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.441025641025641 [2023-08-30 13:06:21,025 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2150 transitions. [2023-08-30 13:06:21,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2150 transitions. [2023-08-30 13:06:21,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:21,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2150 transitions. [2023-08-30 13:06:21,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 143.33333333333334) internal successors, (2150), 15 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:21,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 325.0) internal successors, (5200), 16 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:21,036 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 325.0) internal successors, (5200), 16 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:21,037 INFO L175 Difference]: Start difference. First operand has 86 places, 65 transitions, 612 flow. Second operand 15 states and 2150 transitions. [2023-08-30 13:06:21,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 80 transitions, 871 flow [2023-08-30 13:06:21,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 80 transitions, 828 flow, removed 7 selfloop flow, removed 3 redundant places. [2023-08-30 13:06:21,042 INFO L231 Difference]: Finished difference. Result has 95 places, 57 transitions, 572 flow [2023-08-30 13:06:21,043 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=572, PETRI_PLACES=95, PETRI_TRANSITIONS=57} [2023-08-30 13:06:21,043 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 62 predicate places. [2023-08-30 13:06:21,043 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 57 transitions, 572 flow [2023-08-30 13:06:21,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:21,044 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:21,044 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:21,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-30 13:06:21,045 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:21,045 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:21,045 INFO L85 PathProgramCache]: Analyzing trace with hash -2082309819, now seen corresponding path program 1 times [2023-08-30 13:06:21,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:21,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727876969] [2023-08-30 13:06:21,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:21,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:21,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:21,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:21,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727876969] [2023-08-30 13:06:21,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727876969] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:21,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:21,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 13:06:21,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321085997] [2023-08-30 13:06:21,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:21,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 13:06:21,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:21,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 13:06:21,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-08-30 13:06:22,213 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 325 [2023-08-30 13:06:22,214 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 57 transitions, 572 flow. Second operand has 11 states, 11 states have (on average 141.0909090909091) internal successors, (1552), 11 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:22,214 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:22,214 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 325 [2023-08-30 13:06:22,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:22,584 INFO L130 PetriNetUnfolder]: 77/210 cut-off events. [2023-08-30 13:06:22,585 INFO L131 PetriNetUnfolder]: For 747/747 co-relation queries the response was YES. [2023-08-30 13:06:22,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 983 conditions, 210 events. 77/210 cut-off events. For 747/747 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 849 event pairs, 20 based on Foata normal form. 3/213 useless extension candidates. Maximal degree in co-relation 858. Up to 119 conditions per place. [2023-08-30 13:06:22,587 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 50 selfloop transitions, 27 changer transitions 0/77 dead transitions. [2023-08-30 13:06:22,587 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 77 transitions, 812 flow [2023-08-30 13:06:22,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 13:06:22,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 13:06:22,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1728 transitions. [2023-08-30 13:06:22,594 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4430769230769231 [2023-08-30 13:06:22,594 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1728 transitions. [2023-08-30 13:06:22,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1728 transitions. [2023-08-30 13:06:22,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:22,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1728 transitions. [2023-08-30 13:06:22,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 144.0) internal successors, (1728), 12 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:22,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:22,606 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:22,606 INFO L175 Difference]: Start difference. First operand has 95 places, 57 transitions, 572 flow. Second operand 12 states and 1728 transitions. [2023-08-30 13:06:22,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 77 transitions, 812 flow [2023-08-30 13:06:22,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 77 transitions, 709 flow, removed 8 selfloop flow, removed 13 redundant places. [2023-08-30 13:06:22,613 INFO L231 Difference]: Finished difference. Result has 84 places, 63 transitions, 610 flow [2023-08-30 13:06:22,613 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=610, PETRI_PLACES=84, PETRI_TRANSITIONS=63} [2023-08-30 13:06:22,614 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 51 predicate places. [2023-08-30 13:06:22,614 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 63 transitions, 610 flow [2023-08-30 13:06:22,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 141.0909090909091) internal successors, (1552), 11 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:22,614 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:22,615 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:22,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-30 13:06:22,615 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:22,615 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:22,615 INFO L85 PathProgramCache]: Analyzing trace with hash 484799435, now seen corresponding path program 2 times [2023-08-30 13:06:22,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:22,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912886432] [2023-08-30 13:06:22,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:22,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:23,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:23,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:23,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912886432] [2023-08-30 13:06:23,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912886432] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:23,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:23,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 13:06:23,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837563798] [2023-08-30 13:06:23,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:23,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 13:06:23,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:23,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 13:06:23,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-08-30 13:06:23,991 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 325 [2023-08-30 13:06:23,993 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 63 transitions, 610 flow. Second operand has 11 states, 11 states have (on average 141.0909090909091) internal successors, (1552), 11 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:23,993 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:23,993 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 325 [2023-08-30 13:06:23,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:24,393 INFO L130 PetriNetUnfolder]: 72/197 cut-off events. [2023-08-30 13:06:24,394 INFO L131 PetriNetUnfolder]: For 758/758 co-relation queries the response was YES. [2023-08-30 13:06:24,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 916 conditions, 197 events. 72/197 cut-off events. For 758/758 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 773 event pairs, 12 based on Foata normal form. 6/203 useless extension candidates. Maximal degree in co-relation 835. Up to 68 conditions per place. [2023-08-30 13:06:24,395 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 45 selfloop transitions, 35 changer transitions 0/80 dead transitions. [2023-08-30 13:06:24,396 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 80 transitions, 797 flow [2023-08-30 13:06:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-30 13:06:24,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-30 13:06:24,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2300 transitions. [2023-08-30 13:06:24,399 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4423076923076923 [2023-08-30 13:06:24,399 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2300 transitions. [2023-08-30 13:06:24,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2300 transitions. [2023-08-30 13:06:24,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:24,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2300 transitions. [2023-08-30 13:06:24,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 143.75) internal successors, (2300), 16 states have internal predecessors, (2300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:24,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 325.0) internal successors, (5525), 17 states have internal predecessors, (5525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:24,409 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 325.0) internal successors, (5525), 17 states have internal predecessors, (5525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:24,409 INFO L175 Difference]: Start difference. First operand has 84 places, 63 transitions, 610 flow. Second operand 16 states and 2300 transitions. [2023-08-30 13:06:24,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 80 transitions, 797 flow [2023-08-30 13:06:24,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 80 transitions, 716 flow, removed 15 selfloop flow, removed 9 redundant places. [2023-08-30 13:06:24,415 INFO L231 Difference]: Finished difference. Result has 90 places, 59 transitions, 567 flow [2023-08-30 13:06:24,415 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=497, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=567, PETRI_PLACES=90, PETRI_TRANSITIONS=59} [2023-08-30 13:06:24,416 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 57 predicate places. [2023-08-30 13:06:24,416 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 59 transitions, 567 flow [2023-08-30 13:06:24,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 141.0909090909091) internal successors, (1552), 11 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:24,416 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:24,417 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:24,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-30 13:06:24,417 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:24,417 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:24,417 INFO L85 PathProgramCache]: Analyzing trace with hash 686384355, now seen corresponding path program 3 times [2023-08-30 13:06:24,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:24,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054965063] [2023-08-30 13:06:24,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:24,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:25,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:25,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:25,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054965063] [2023-08-30 13:06:25,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054965063] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:25,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:25,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 13:06:25,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40516339] [2023-08-30 13:06:25,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:25,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 13:06:25,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:25,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 13:06:25,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-08-30 13:06:25,645 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 325 [2023-08-30 13:06:25,646 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 59 transitions, 567 flow. Second operand has 11 states, 11 states have (on average 139.0909090909091) internal successors, (1530), 11 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:25,646 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:25,647 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 325 [2023-08-30 13:06:25,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:25,952 INFO L130 PetriNetUnfolder]: 69/191 cut-off events. [2023-08-30 13:06:25,952 INFO L131 PetriNetUnfolder]: For 625/625 co-relation queries the response was YES. [2023-08-30 13:06:25,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 899 conditions, 191 events. 69/191 cut-off events. For 625/625 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 739 event pairs, 18 based on Foata normal form. 3/194 useless extension candidates. Maximal degree in co-relation 774. Up to 105 conditions per place. [2023-08-30 13:06:25,954 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 45 selfloop transitions, 27 changer transitions 0/72 dead transitions. [2023-08-30 13:06:25,955 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 72 transitions, 744 flow [2023-08-30 13:06:25,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 13:06:25,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 13:06:25,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1423 transitions. [2023-08-30 13:06:25,958 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43784615384615383 [2023-08-30 13:06:25,958 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1423 transitions. [2023-08-30 13:06:25,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1423 transitions. [2023-08-30 13:06:25,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:25,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1423 transitions. [2023-08-30 13:06:25,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 142.3) internal successors, (1423), 10 states have internal predecessors, (1423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:25,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 325.0) internal successors, (3575), 11 states have internal predecessors, (3575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:25,964 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 325.0) internal successors, (3575), 11 states have internal predecessors, (3575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:25,964 INFO L175 Difference]: Start difference. First operand has 90 places, 59 transitions, 567 flow. Second operand 10 states and 1423 transitions. [2023-08-30 13:06:25,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 72 transitions, 744 flow [2023-08-30 13:06:25,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 72 transitions, 621 flow, removed 6 selfloop flow, removed 19 redundant places. [2023-08-30 13:06:25,969 INFO L231 Difference]: Finished difference. Result has 80 places, 58 transitions, 494 flow [2023-08-30 13:06:25,969 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=494, PETRI_PLACES=80, PETRI_TRANSITIONS=58} [2023-08-30 13:06:25,970 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 47 predicate places. [2023-08-30 13:06:25,970 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 58 transitions, 494 flow [2023-08-30 13:06:25,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 139.0909090909091) internal successors, (1530), 11 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:25,971 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:25,971 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:25,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-30 13:06:25,971 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:25,972 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:25,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1276644141, now seen corresponding path program 4 times [2023-08-30 13:06:25,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:25,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739772670] [2023-08-30 13:06:25,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:25,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:26,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:26,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:26,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739772670] [2023-08-30 13:06:26,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739772670] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:26,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:26,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-30 13:06:26,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114025502] [2023-08-30 13:06:26,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:26,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-30 13:06:26,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:26,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-30 13:06:26,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-08-30 13:06:26,786 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 325 [2023-08-30 13:06:26,787 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 58 transitions, 494 flow. Second operand has 10 states, 10 states have (on average 145.1) internal successors, (1451), 10 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:26,787 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:26,787 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 325 [2023-08-30 13:06:26,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:27,036 INFO L130 PetriNetUnfolder]: 63/193 cut-off events. [2023-08-30 13:06:27,037 INFO L131 PetriNetUnfolder]: For 505/505 co-relation queries the response was YES. [2023-08-30 13:06:27,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 843 conditions, 193 events. 63/193 cut-off events. For 505/505 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 835 event pairs, 11 based on Foata normal form. 3/196 useless extension candidates. Maximal degree in co-relation 718. Up to 74 conditions per place. [2023-08-30 13:06:27,038 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 40 selfloop transitions, 40 changer transitions 0/81 dead transitions. [2023-08-30 13:06:27,039 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 81 transitions, 771 flow [2023-08-30 13:06:27,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 13:06:27,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 13:06:27,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1774 transitions. [2023-08-30 13:06:27,042 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45487179487179485 [2023-08-30 13:06:27,042 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1774 transitions. [2023-08-30 13:06:27,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1774 transitions. [2023-08-30 13:06:27,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:27,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1774 transitions. [2023-08-30 13:06:27,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 147.83333333333334) internal successors, (1774), 12 states have internal predecessors, (1774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:27,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:27,049 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:27,050 INFO L175 Difference]: Start difference. First operand has 80 places, 58 transitions, 494 flow. Second operand 12 states and 1774 transitions. [2023-08-30 13:06:27,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 81 transitions, 771 flow [2023-08-30 13:06:27,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 81 transitions, 723 flow, removed 2 selfloop flow, removed 9 redundant places. [2023-08-30 13:06:27,054 INFO L231 Difference]: Finished difference. Result has 86 places, 67 transitions, 666 flow [2023-08-30 13:06:27,054 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=666, PETRI_PLACES=86, PETRI_TRANSITIONS=67} [2023-08-30 13:06:27,054 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 53 predicate places. [2023-08-30 13:06:27,055 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 67 transitions, 666 flow [2023-08-30 13:06:27,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 145.1) internal successors, (1451), 10 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:27,055 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:27,055 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:27,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-30 13:06:27,056 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:27,056 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:27,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1276644215, now seen corresponding path program 3 times [2023-08-30 13:06:27,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:27,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397104024] [2023-08-30 13:06:27,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:27,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:27,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:27,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:27,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397104024] [2023-08-30 13:06:27,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397104024] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:27,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:27,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 13:06:27,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213783508] [2023-08-30 13:06:27,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:27,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 13:06:27,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:27,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 13:06:27,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-30 13:06:28,088 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 325 [2023-08-30 13:06:28,089 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 67 transitions, 666 flow. Second operand has 11 states, 11 states have (on average 141.0909090909091) internal successors, (1552), 11 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:28,089 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:28,089 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 325 [2023-08-30 13:06:28,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:28,436 INFO L130 PetriNetUnfolder]: 77/212 cut-off events. [2023-08-30 13:06:28,437 INFO L131 PetriNetUnfolder]: For 678/678 co-relation queries the response was YES. [2023-08-30 13:06:28,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 981 conditions, 212 events. 77/212 cut-off events. For 678/678 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 873 event pairs, 12 based on Foata normal form. 3/215 useless extension candidates. Maximal degree in co-relation 856. Up to 65 conditions per place. [2023-08-30 13:06:28,439 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 36 selfloop transitions, 42 changer transitions 0/78 dead transitions. [2023-08-30 13:06:28,439 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 78 transitions, 839 flow [2023-08-30 13:06:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-30 13:06:28,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-30 13:06:28,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1866 transitions. [2023-08-30 13:06:28,444 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4416568047337278 [2023-08-30 13:06:28,444 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1866 transitions. [2023-08-30 13:06:28,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1866 transitions. [2023-08-30 13:06:28,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:28,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1866 transitions. [2023-08-30 13:06:28,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 143.53846153846155) internal successors, (1866), 13 states have internal predecessors, (1866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:28,452 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:28,453 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:28,453 INFO L175 Difference]: Start difference. First operand has 86 places, 67 transitions, 666 flow. Second operand 13 states and 1866 transitions. [2023-08-30 13:06:28,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 78 transitions, 839 flow [2023-08-30 13:06:28,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 78 transitions, 780 flow, removed 12 selfloop flow, removed 7 redundant places. [2023-08-30 13:06:28,458 INFO L231 Difference]: Finished difference. Result has 91 places, 65 transitions, 673 flow [2023-08-30 13:06:28,458 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=673, PETRI_PLACES=91, PETRI_TRANSITIONS=65} [2023-08-30 13:06:28,459 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 58 predicate places. [2023-08-30 13:06:28,460 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 65 transitions, 673 flow [2023-08-30 13:06:28,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 141.0909090909091) internal successors, (1552), 11 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:28,460 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:28,464 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:28,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-30 13:06:28,465 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:28,465 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:28,465 INFO L85 PathProgramCache]: Analyzing trace with hash -466964249, now seen corresponding path program 4 times [2023-08-30 13:06:28,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:28,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673161047] [2023-08-30 13:06:28,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:28,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:29,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:29,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:29,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673161047] [2023-08-30 13:06:29,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673161047] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:29,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:29,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 13:06:29,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347345923] [2023-08-30 13:06:29,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:29,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 13:06:29,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:29,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 13:06:29,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-08-30 13:06:29,434 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 325 [2023-08-30 13:06:29,435 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 65 transitions, 673 flow. Second operand has 11 states, 11 states have (on average 141.0909090909091) internal successors, (1552), 11 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:29,435 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:29,435 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 325 [2023-08-30 13:06:29,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:29,729 INFO L130 PetriNetUnfolder]: 75/205 cut-off events. [2023-08-30 13:06:29,730 INFO L131 PetriNetUnfolder]: For 665/665 co-relation queries the response was YES. [2023-08-30 13:06:29,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 983 conditions, 205 events. 75/205 cut-off events. For 665/665 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 835 event pairs, 4 based on Foata normal form. 3/208 useless extension candidates. Maximal degree in co-relation 866. Up to 55 conditions per place. [2023-08-30 13:06:29,731 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 28 selfloop transitions, 46 changer transitions 0/74 dead transitions. [2023-08-30 13:06:29,732 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 74 transitions, 862 flow [2023-08-30 13:06:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-30 13:06:29,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-30 13:06:29,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1859 transitions. [2023-08-30 13:06:29,735 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44 [2023-08-30 13:06:29,735 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1859 transitions. [2023-08-30 13:06:29,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1859 transitions. [2023-08-30 13:06:29,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:29,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1859 transitions. [2023-08-30 13:06:29,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 143.0) internal successors, (1859), 13 states have internal predecessors, (1859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:29,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:29,744 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:29,744 INFO L175 Difference]: Start difference. First operand has 91 places, 65 transitions, 673 flow. Second operand 13 states and 1859 transitions. [2023-08-30 13:06:29,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 74 transitions, 862 flow [2023-08-30 13:06:29,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 74 transitions, 762 flow, removed 6 selfloop flow, removed 13 redundant places. [2023-08-30 13:06:29,753 INFO L231 Difference]: Finished difference. Result has 93 places, 67 transitions, 742 flow [2023-08-30 13:06:29,753 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=742, PETRI_PLACES=93, PETRI_TRANSITIONS=67} [2023-08-30 13:06:29,754 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 60 predicate places. [2023-08-30 13:06:29,754 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 67 transitions, 742 flow [2023-08-30 13:06:29,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 141.0909090909091) internal successors, (1552), 11 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:29,755 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:29,755 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:29,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-30 13:06:29,756 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:29,757 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:29,757 INFO L85 PathProgramCache]: Analyzing trace with hash -466964323, now seen corresponding path program 5 times [2023-08-30 13:06:29,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:29,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449485296] [2023-08-30 13:06:29,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:29,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:30,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:30,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:30,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449485296] [2023-08-30 13:06:30,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449485296] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:30,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:30,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 13:06:30,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025056854] [2023-08-30 13:06:30,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:30,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 13:06:30,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:30,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 13:06:30,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-30 13:06:30,709 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 325 [2023-08-30 13:06:30,710 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 67 transitions, 742 flow. Second operand has 11 states, 11 states have (on average 144.0) internal successors, (1584), 11 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:30,710 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:30,710 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 325 [2023-08-30 13:06:30,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:31,066 INFO L130 PetriNetUnfolder]: 56/177 cut-off events. [2023-08-30 13:06:31,067 INFO L131 PetriNetUnfolder]: For 790/790 co-relation queries the response was YES. [2023-08-30 13:06:31,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 906 conditions, 177 events. 56/177 cut-off events. For 790/790 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 777 event pairs, 8 based on Foata normal form. 3/180 useless extension candidates. Maximal degree in co-relation 743. Up to 63 conditions per place. [2023-08-30 13:06:31,068 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 23 selfloop transitions, 46 changer transitions 0/70 dead transitions. [2023-08-30 13:06:31,069 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 70 transitions, 873 flow [2023-08-30 13:06:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 13:06:31,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 13:06:31,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1749 transitions. [2023-08-30 13:06:31,073 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44846153846153847 [2023-08-30 13:06:31,073 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1749 transitions. [2023-08-30 13:06:31,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1749 transitions. [2023-08-30 13:06:31,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:31,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1749 transitions. [2023-08-30 13:06:31,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 145.75) internal successors, (1749), 12 states have internal predecessors, (1749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:31,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:31,080 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:31,080 INFO L175 Difference]: Start difference. First operand has 93 places, 67 transitions, 742 flow. Second operand 12 states and 1749 transitions. [2023-08-30 13:06:31,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 70 transitions, 873 flow [2023-08-30 13:06:31,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 70 transitions, 784 flow, removed 8 selfloop flow, removed 10 redundant places. [2023-08-30 13:06:31,086 INFO L231 Difference]: Finished difference. Result has 94 places, 65 transitions, 727 flow [2023-08-30 13:06:31,086 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=727, PETRI_PLACES=94, PETRI_TRANSITIONS=65} [2023-08-30 13:06:31,086 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 61 predicate places. [2023-08-30 13:06:31,087 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 65 transitions, 727 flow [2023-08-30 13:06:31,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 144.0) internal successors, (1584), 11 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:31,087 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:31,087 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:31,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-30 13:06:31,088 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:31,088 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:31,088 INFO L85 PathProgramCache]: Analyzing trace with hash 283452800, now seen corresponding path program 1 times [2023-08-30 13:06:31,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:31,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423992721] [2023-08-30 13:06:31,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:31,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:32,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:32,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:32,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423992721] [2023-08-30 13:06:32,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423992721] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:32,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:32,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:32,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278898590] [2023-08-30 13:06:32,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:32,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:32,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:32,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:32,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:32,955 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 13:06:32,957 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 65 transitions, 727 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:32,957 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:32,957 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 13:06:32,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:33,323 INFO L130 PetriNetUnfolder]: 79/228 cut-off events. [2023-08-30 13:06:33,323 INFO L131 PetriNetUnfolder]: For 936/936 co-relation queries the response was YES. [2023-08-30 13:06:33,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1135 conditions, 228 events. 79/228 cut-off events. For 936/936 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1012 event pairs, 32 based on Foata normal form. 2/230 useless extension candidates. Maximal degree in co-relation 960. Up to 178 conditions per place. [2023-08-30 13:06:33,325 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 67 selfloop transitions, 22 changer transitions 0/89 dead transitions. [2023-08-30 13:06:33,325 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 89 transitions, 1099 flow [2023-08-30 13:06:33,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 13:06:33,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 13:06:33,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1625 transitions. [2023-08-30 13:06:33,329 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4166666666666667 [2023-08-30 13:06:33,329 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1625 transitions. [2023-08-30 13:06:33,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1625 transitions. [2023-08-30 13:06:33,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:33,330 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1625 transitions. [2023-08-30 13:06:33,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 135.41666666666666) internal successors, (1625), 12 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:33,334 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:33,335 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:33,335 INFO L175 Difference]: Start difference. First operand has 94 places, 65 transitions, 727 flow. Second operand 12 states and 1625 transitions. [2023-08-30 13:06:33,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 89 transitions, 1099 flow [2023-08-30 13:06:33,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 89 transitions, 972 flow, removed 1 selfloop flow, removed 11 redundant places. [2023-08-30 13:06:33,341 INFO L231 Difference]: Finished difference. Result has 101 places, 78 transitions, 838 flow [2023-08-30 13:06:33,341 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=838, PETRI_PLACES=101, PETRI_TRANSITIONS=78} [2023-08-30 13:06:33,342 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 68 predicate places. [2023-08-30 13:06:33,342 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 78 transitions, 838 flow [2023-08-30 13:06:33,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:33,342 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:33,343 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:33,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-30 13:06:33,343 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:33,343 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:33,343 INFO L85 PathProgramCache]: Analyzing trace with hash 159015452, now seen corresponding path program 2 times [2023-08-30 13:06:33,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:33,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398675620] [2023-08-30 13:06:33,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:33,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:34,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:34,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:34,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398675620] [2023-08-30 13:06:34,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398675620] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:34,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:34,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:34,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647336357] [2023-08-30 13:06:34,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:34,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:34,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:34,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:34,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:34,887 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 13:06:34,888 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 78 transitions, 838 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:34,888 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:34,888 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 13:06:34,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:35,294 INFO L130 PetriNetUnfolder]: 85/250 cut-off events. [2023-08-30 13:06:35,294 INFO L131 PetriNetUnfolder]: For 937/937 co-relation queries the response was YES. [2023-08-30 13:06:35,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1241 conditions, 250 events. 85/250 cut-off events. For 937/937 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1152 event pairs, 37 based on Foata normal form. 2/252 useless extension candidates. Maximal degree in co-relation 1130. Up to 172 conditions per place. [2023-08-30 13:06:35,296 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 67 selfloop transitions, 31 changer transitions 0/98 dead transitions. [2023-08-30 13:06:35,297 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 98 transitions, 1181 flow [2023-08-30 13:06:35,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-30 13:06:35,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-30 13:06:35,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1762 transitions. [2023-08-30 13:06:35,300 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4170414201183432 [2023-08-30 13:06:35,300 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1762 transitions. [2023-08-30 13:06:35,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1762 transitions. [2023-08-30 13:06:35,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:35,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1762 transitions. [2023-08-30 13:06:35,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 135.53846153846155) internal successors, (1762), 13 states have internal predecessors, (1762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:35,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:35,306 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:35,307 INFO L175 Difference]: Start difference. First operand has 101 places, 78 transitions, 838 flow. Second operand 13 states and 1762 transitions. [2023-08-30 13:06:35,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 98 transitions, 1181 flow [2023-08-30 13:06:35,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 98 transitions, 1168 flow, removed 2 selfloop flow, removed 2 redundant places. [2023-08-30 13:06:35,314 INFO L231 Difference]: Finished difference. Result has 118 places, 88 transitions, 1045 flow [2023-08-30 13:06:35,314 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=825, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1045, PETRI_PLACES=118, PETRI_TRANSITIONS=88} [2023-08-30 13:06:35,314 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 85 predicate places. [2023-08-30 13:06:35,314 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 88 transitions, 1045 flow [2023-08-30 13:06:35,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:35,315 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:35,315 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:35,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-30 13:06:35,315 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:35,316 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:35,316 INFO L85 PathProgramCache]: Analyzing trace with hash -799566764, now seen corresponding path program 1 times [2023-08-30 13:06:35,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:35,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762389035] [2023-08-30 13:06:35,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:35,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:35,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:35,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:35,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762389035] [2023-08-30 13:06:35,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762389035] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:35,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:35,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-30 13:06:35,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413712283] [2023-08-30 13:06:35,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:36,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-30 13:06:36,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:36,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-30 13:06:36,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-08-30 13:06:36,803 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 325 [2023-08-30 13:06:36,805 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 88 transitions, 1045 flow. Second operand has 12 states, 12 states have (on average 137.16666666666666) internal successors, (1646), 12 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:36,805 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:36,805 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 325 [2023-08-30 13:06:36,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:37,198 INFO L130 PetriNetUnfolder]: 65/228 cut-off events. [2023-08-30 13:06:37,198 INFO L131 PetriNetUnfolder]: For 1237/1237 co-relation queries the response was YES. [2023-08-30 13:06:37,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1314 conditions, 228 events. 65/228 cut-off events. For 1237/1237 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1164 event pairs, 9 based on Foata normal form. 2/230 useless extension candidates. Maximal degree in co-relation 1208. Up to 85 conditions per place. [2023-08-30 13:06:37,200 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 94 selfloop transitions, 26 changer transitions 0/121 dead transitions. [2023-08-30 13:06:37,200 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 121 transitions, 1579 flow [2023-08-30 13:06:37,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 13:06:37,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 13:06:37,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1680 transitions. [2023-08-30 13:06:37,203 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4307692307692308 [2023-08-30 13:06:37,203 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1680 transitions. [2023-08-30 13:06:37,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1680 transitions. [2023-08-30 13:06:37,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:37,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1680 transitions. [2023-08-30 13:06:37,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 140.0) internal successors, (1680), 12 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:37,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:37,210 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:37,210 INFO L175 Difference]: Start difference. First operand has 118 places, 88 transitions, 1045 flow. Second operand 12 states and 1680 transitions. [2023-08-30 13:06:37,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 121 transitions, 1579 flow [2023-08-30 13:06:37,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 121 transitions, 1543 flow, removed 9 selfloop flow, removed 4 redundant places. [2023-08-30 13:06:37,219 INFO L231 Difference]: Finished difference. Result has 130 places, 97 transitions, 1206 flow [2023-08-30 13:06:37,219 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1014, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1206, PETRI_PLACES=130, PETRI_TRANSITIONS=97} [2023-08-30 13:06:37,220 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 97 predicate places. [2023-08-30 13:06:37,220 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 97 transitions, 1206 flow [2023-08-30 13:06:37,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 137.16666666666666) internal successors, (1646), 12 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:37,220 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:37,221 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:37,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-30 13:06:37,221 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:37,221 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:37,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1728997246, now seen corresponding path program 2 times [2023-08-30 13:06:37,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:37,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153790838] [2023-08-30 13:06:37,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:37,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:38,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:38,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:38,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153790838] [2023-08-30 13:06:38,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153790838] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:38,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:38,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:38,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277637743] [2023-08-30 13:06:38,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:38,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:38,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:38,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:38,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:38,819 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 13:06:38,820 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 97 transitions, 1206 flow. Second operand has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:38,820 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:38,820 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 13:06:38,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:39,129 INFO L130 PetriNetUnfolder]: 94/287 cut-off events. [2023-08-30 13:06:39,129 INFO L131 PetriNetUnfolder]: For 1686/1686 co-relation queries the response was YES. [2023-08-30 13:06:39,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1624 conditions, 287 events. 94/287 cut-off events. For 1686/1686 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1441 event pairs, 30 based on Foata normal form. 2/289 useless extension candidates. Maximal degree in co-relation 1470. Up to 172 conditions per place. [2023-08-30 13:06:39,132 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 71 selfloop transitions, 40 changer transitions 0/111 dead transitions. [2023-08-30 13:06:39,132 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 111 transitions, 1510 flow [2023-08-30 13:06:39,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 13:06:39,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 13:06:39,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1475 transitions. [2023-08-30 13:06:39,136 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4125874125874126 [2023-08-30 13:06:39,136 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1475 transitions. [2023-08-30 13:06:39,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1475 transitions. [2023-08-30 13:06:39,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:39,137 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1475 transitions. [2023-08-30 13:06:39,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 134.0909090909091) internal successors, (1475), 11 states have internal predecessors, (1475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:39,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:39,144 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:39,144 INFO L175 Difference]: Start difference. First operand has 130 places, 97 transitions, 1206 flow. Second operand 11 states and 1475 transitions. [2023-08-30 13:06:39,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 111 transitions, 1510 flow [2023-08-30 13:06:39,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 111 transitions, 1475 flow, removed 7 selfloop flow, removed 4 redundant places. [2023-08-30 13:06:39,156 INFO L231 Difference]: Finished difference. Result has 139 places, 100 transitions, 1319 flow [2023-08-30 13:06:39,156 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1179, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1319, PETRI_PLACES=139, PETRI_TRANSITIONS=100} [2023-08-30 13:06:39,158 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 106 predicate places. [2023-08-30 13:06:39,158 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 100 transitions, 1319 flow [2023-08-30 13:06:39,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:39,159 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:39,159 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:39,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-30 13:06:39,159 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:39,160 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:39,160 INFO L85 PathProgramCache]: Analyzing trace with hash 403212546, now seen corresponding path program 3 times [2023-08-30 13:06:39,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:39,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190591996] [2023-08-30 13:06:39,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:39,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:40,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:40,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:40,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190591996] [2023-08-30 13:06:40,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190591996] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:40,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:40,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:40,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224827737] [2023-08-30 13:06:40,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:40,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:40,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:40,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:40,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:40,848 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 13:06:40,849 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 100 transitions, 1319 flow. Second operand has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:40,849 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:40,849 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 13:06:40,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:41,157 INFO L130 PetriNetUnfolder]: 93/284 cut-off events. [2023-08-30 13:06:41,157 INFO L131 PetriNetUnfolder]: For 1954/1954 co-relation queries the response was YES. [2023-08-30 13:06:41,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1690 conditions, 284 events. 93/284 cut-off events. For 1954/1954 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1423 event pairs, 42 based on Foata normal form. 2/286 useless extension candidates. Maximal degree in co-relation 1544. Up to 237 conditions per place. [2023-08-30 13:06:41,159 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 73 selfloop transitions, 20 changer transitions 15/108 dead transitions. [2023-08-30 13:06:41,159 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 108 transitions, 1570 flow [2023-08-30 13:06:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 13:06:41,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 13:06:41,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1468 transitions. [2023-08-30 13:06:41,163 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4106293706293706 [2023-08-30 13:06:41,163 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1468 transitions. [2023-08-30 13:06:41,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1468 transitions. [2023-08-30 13:06:41,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:41,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1468 transitions. [2023-08-30 13:06:41,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 133.45454545454547) internal successors, (1468), 11 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:41,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:41,168 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:41,168 INFO L175 Difference]: Start difference. First operand has 139 places, 100 transitions, 1319 flow. Second operand 11 states and 1468 transitions. [2023-08-30 13:06:41,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 108 transitions, 1570 flow [2023-08-30 13:06:41,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 108 transitions, 1502 flow, removed 1 selfloop flow, removed 7 redundant places. [2023-08-30 13:06:41,181 INFO L231 Difference]: Finished difference. Result has 142 places, 92 transitions, 1183 flow [2023-08-30 13:06:41,181 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1243, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1183, PETRI_PLACES=142, PETRI_TRANSITIONS=92} [2023-08-30 13:06:41,181 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 109 predicate places. [2023-08-30 13:06:41,181 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 92 transitions, 1183 flow [2023-08-30 13:06:41,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:41,182 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:41,182 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:41,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-30 13:06:41,182 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:41,183 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:41,183 INFO L85 PathProgramCache]: Analyzing trace with hash -474922192, now seen corresponding path program 4 times [2023-08-30 13:06:41,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:41,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575175304] [2023-08-30 13:06:41,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:41,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:42,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:42,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:42,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575175304] [2023-08-30 13:06:42,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575175304] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:42,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:42,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:42,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616362021] [2023-08-30 13:06:42,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:42,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:42,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:42,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:42,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:42,847 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 13:06:42,848 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 92 transitions, 1183 flow. Second operand has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:42,848 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:42,848 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 13:06:42,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:43,165 INFO L130 PetriNetUnfolder]: 93/282 cut-off events. [2023-08-30 13:06:43,165 INFO L131 PetriNetUnfolder]: For 1773/1773 co-relation queries the response was YES. [2023-08-30 13:06:43,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1646 conditions, 282 events. 93/282 cut-off events. For 1773/1773 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1392 event pairs, 46 based on Foata normal form. 2/284 useless extension candidates. Maximal degree in co-relation 1531. Up to 229 conditions per place. [2023-08-30 13:06:43,167 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 79 selfloop transitions, 26 changer transitions 0/105 dead transitions. [2023-08-30 13:06:43,168 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 105 transitions, 1482 flow [2023-08-30 13:06:43,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 13:06:43,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 13:06:43,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1470 transitions. [2023-08-30 13:06:43,170 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4111888111888112 [2023-08-30 13:06:43,170 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1470 transitions. [2023-08-30 13:06:43,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1470 transitions. [2023-08-30 13:06:43,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:43,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1470 transitions. [2023-08-30 13:06:43,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 133.63636363636363) internal successors, (1470), 11 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:43,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:43,175 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:43,175 INFO L175 Difference]: Start difference. First operand has 142 places, 92 transitions, 1183 flow. Second operand 11 states and 1470 transitions. [2023-08-30 13:06:43,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 105 transitions, 1482 flow [2023-08-30 13:06:43,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 105 transitions, 1439 flow, removed 3 selfloop flow, removed 7 redundant places. [2023-08-30 13:06:43,186 INFO L231 Difference]: Finished difference. Result has 141 places, 96 transitions, 1274 flow [2023-08-30 13:06:43,186 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1141, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1274, PETRI_PLACES=141, PETRI_TRANSITIONS=96} [2023-08-30 13:06:43,187 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 108 predicate places. [2023-08-30 13:06:43,187 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 96 transitions, 1274 flow [2023-08-30 13:06:43,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:43,187 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:43,187 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:43,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-30 13:06:43,188 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:43,188 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:43,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1243073178, now seen corresponding path program 5 times [2023-08-30 13:06:43,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:43,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464566708] [2023-08-30 13:06:43,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:43,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:44,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:44,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:44,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464566708] [2023-08-30 13:06:44,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464566708] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:44,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:44,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-08-30 13:06:44,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838633970] [2023-08-30 13:06:44,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:44,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-08-30 13:06:44,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:44,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-08-30 13:06:44,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-08-30 13:06:44,934 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 13:06:44,935 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 96 transitions, 1274 flow. Second operand has 14 states, 14 states have (on average 131.07142857142858) internal successors, (1835), 14 states have internal predecessors, (1835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:44,935 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:44,935 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 13:06:44,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:45,336 INFO L130 PetriNetUnfolder]: 99/303 cut-off events. [2023-08-30 13:06:45,337 INFO L131 PetriNetUnfolder]: For 2063/2063 co-relation queries the response was YES. [2023-08-30 13:06:45,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1797 conditions, 303 events. 99/303 cut-off events. For 2063/2063 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1550 event pairs, 45 based on Foata normal form. 2/305 useless extension candidates. Maximal degree in co-relation 1660. Up to 209 conditions per place. [2023-08-30 13:06:45,340 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 72 selfloop transitions, 41 changer transitions 0/113 dead transitions. [2023-08-30 13:06:45,340 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 113 transitions, 1661 flow [2023-08-30 13:06:45,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 13:06:45,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 13:06:45,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1471 transitions. [2023-08-30 13:06:45,343 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41146853146853146 [2023-08-30 13:06:45,343 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1471 transitions. [2023-08-30 13:06:45,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1471 transitions. [2023-08-30 13:06:45,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:45,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1471 transitions. [2023-08-30 13:06:45,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 133.72727272727272) internal successors, (1471), 11 states have internal predecessors, (1471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:45,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:45,348 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:45,348 INFO L175 Difference]: Start difference. First operand has 141 places, 96 transitions, 1274 flow. Second operand 11 states and 1471 transitions. [2023-08-30 13:06:45,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 113 transitions, 1661 flow [2023-08-30 13:06:45,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 113 transitions, 1619 flow, removed 8 selfloop flow, removed 5 redundant places. [2023-08-30 13:06:45,361 INFO L231 Difference]: Finished difference. Result has 150 places, 103 transitions, 1472 flow [2023-08-30 13:06:45,361 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1232, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1472, PETRI_PLACES=150, PETRI_TRANSITIONS=103} [2023-08-30 13:06:45,362 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 117 predicate places. [2023-08-30 13:06:45,362 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 103 transitions, 1472 flow [2023-08-30 13:06:45,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 131.07142857142858) internal successors, (1835), 14 states have internal predecessors, (1835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:45,362 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:45,362 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:45,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-30 13:06:45,363 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:45,363 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:45,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1784497786, now seen corresponding path program 6 times [2023-08-30 13:06:45,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:45,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472128566] [2023-08-30 13:06:45,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:45,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:46,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:46,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:46,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472128566] [2023-08-30 13:06:46,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472128566] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:46,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:46,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:46,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012928481] [2023-08-30 13:06:46,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:46,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:46,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:46,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:46,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:46,934 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 13:06:46,935 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 103 transitions, 1472 flow. Second operand has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:46,935 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:46,935 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 13:06:46,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:47,345 INFO L130 PetriNetUnfolder]: 101/313 cut-off events. [2023-08-30 13:06:47,345 INFO L131 PetriNetUnfolder]: For 2676/2676 co-relation queries the response was YES. [2023-08-30 13:06:47,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1956 conditions, 313 events. 101/313 cut-off events. For 2676/2676 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1640 event pairs, 36 based on Foata normal form. 2/315 useless extension candidates. Maximal degree in co-relation 1812. Up to 175 conditions per place. [2023-08-30 13:06:47,347 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 76 selfloop transitions, 49 changer transitions 0/125 dead transitions. [2023-08-30 13:06:47,347 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 125 transitions, 1866 flow [2023-08-30 13:06:47,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-30 13:06:47,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-30 13:06:47,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1745 transitions. [2023-08-30 13:06:47,349 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41301775147928993 [2023-08-30 13:06:47,350 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1745 transitions. [2023-08-30 13:06:47,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1745 transitions. [2023-08-30 13:06:47,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:47,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1745 transitions. [2023-08-30 13:06:47,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 134.23076923076923) internal successors, (1745), 13 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:47,355 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:47,356 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:47,356 INFO L175 Difference]: Start difference. First operand has 150 places, 103 transitions, 1472 flow. Second operand 13 states and 1745 transitions. [2023-08-30 13:06:47,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 125 transitions, 1866 flow [2023-08-30 13:06:47,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 125 transitions, 1799 flow, removed 12 selfloop flow, removed 5 redundant places. [2023-08-30 13:06:47,370 INFO L231 Difference]: Finished difference. Result has 162 places, 109 transitions, 1655 flow [2023-08-30 13:06:47,370 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1405, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1655, PETRI_PLACES=162, PETRI_TRANSITIONS=109} [2023-08-30 13:06:47,370 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 129 predicate places. [2023-08-30 13:06:47,370 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 109 transitions, 1655 flow [2023-08-30 13:06:47,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:47,371 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:47,371 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:47,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-08-30 13:06:47,371 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:47,372 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:47,372 INFO L85 PathProgramCache]: Analyzing trace with hash 792474140, now seen corresponding path program 7 times [2023-08-30 13:06:47,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:47,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305349719] [2023-08-30 13:06:47,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:47,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:48,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:48,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:48,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305349719] [2023-08-30 13:06:48,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305349719] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:48,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:48,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:48,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940146582] [2023-08-30 13:06:48,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:48,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:48,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:48,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:48,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:48,917 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 13:06:48,918 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 109 transitions, 1655 flow. Second operand has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:48,918 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:48,918 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 13:06:48,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:49,325 INFO L130 PetriNetUnfolder]: 104/326 cut-off events. [2023-08-30 13:06:49,325 INFO L131 PetriNetUnfolder]: For 3302/3302 co-relation queries the response was YES. [2023-08-30 13:06:49,336 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2123 conditions, 326 events. 104/326 cut-off events. For 3302/3302 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1751 event pairs, 40 based on Foata normal form. 2/328 useless extension candidates. Maximal degree in co-relation 1968. Up to 225 conditions per place. [2023-08-30 13:06:49,338 INFO L137 encePairwiseOnDemand]: 313/325 looper letters, 95 selfloop transitions, 36 changer transitions 0/131 dead transitions. [2023-08-30 13:06:49,338 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 131 transitions, 2070 flow [2023-08-30 13:06:49,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-30 13:06:49,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-30 13:06:49,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1745 transitions. [2023-08-30 13:06:49,347 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41301775147928993 [2023-08-30 13:06:49,347 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1745 transitions. [2023-08-30 13:06:49,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1745 transitions. [2023-08-30 13:06:49,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:49,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1745 transitions. [2023-08-30 13:06:49,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 134.23076923076923) internal successors, (1745), 13 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:49,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:49,354 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:49,355 INFO L175 Difference]: Start difference. First operand has 162 places, 109 transitions, 1655 flow. Second operand 13 states and 1745 transitions. [2023-08-30 13:06:49,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 131 transitions, 2070 flow [2023-08-30 13:06:49,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 131 transitions, 2005 flow, removed 11 selfloop flow, removed 5 redundant places. [2023-08-30 13:06:49,372 INFO L231 Difference]: Finished difference. Result has 172 places, 116 transitions, 1782 flow [2023-08-30 13:06:49,372 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1590, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1782, PETRI_PLACES=172, PETRI_TRANSITIONS=116} [2023-08-30 13:06:49,373 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 139 predicate places. [2023-08-30 13:06:49,373 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 116 transitions, 1782 flow [2023-08-30 13:06:49,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:49,373 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:49,373 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:49,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-08-30 13:06:49,374 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:49,374 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:49,374 INFO L85 PathProgramCache]: Analyzing trace with hash 672714394, now seen corresponding path program 3 times [2023-08-30 13:06:49,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:49,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996130962] [2023-08-30 13:06:49,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:49,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:50,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:50,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:50,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996130962] [2023-08-30 13:06:50,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996130962] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:50,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:50,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:50,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016959783] [2023-08-30 13:06:50,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:50,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:50,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:50,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:50,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:50,958 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 13:06:50,958 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 116 transitions, 1782 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:50,959 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:50,959 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 13:06:50,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:51,528 INFO L130 PetriNetUnfolder]: 106/334 cut-off events. [2023-08-30 13:06:51,529 INFO L131 PetriNetUnfolder]: For 3543/3543 co-relation queries the response was YES. [2023-08-30 13:06:51,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2218 conditions, 334 events. 106/334 cut-off events. For 3543/3543 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1806 event pairs, 47 based on Foata normal form. 4/338 useless extension candidates. Maximal degree in co-relation 2051. Up to 214 conditions per place. [2023-08-30 13:06:51,532 INFO L137 encePairwiseOnDemand]: 313/325 looper letters, 90 selfloop transitions, 38 changer transitions 9/137 dead transitions. [2023-08-30 13:06:51,532 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 137 transitions, 2226 flow [2023-08-30 13:06:51,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-30 13:06:51,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-30 13:06:51,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2436 transitions. [2023-08-30 13:06:51,536 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4164102564102564 [2023-08-30 13:06:51,536 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2436 transitions. [2023-08-30 13:06:51,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2436 transitions. [2023-08-30 13:06:51,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:51,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2436 transitions. [2023-08-30 13:06:51,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 135.33333333333334) internal successors, (2436), 18 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:51,543 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 325.0) internal successors, (6175), 19 states have internal predecessors, (6175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:51,544 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 325.0) internal successors, (6175), 19 states have internal predecessors, (6175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:51,544 INFO L175 Difference]: Start difference. First operand has 172 places, 116 transitions, 1782 flow. Second operand 18 states and 2436 transitions. [2023-08-30 13:06:51,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 137 transitions, 2226 flow [2023-08-30 13:06:51,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 137 transitions, 2129 flow, removed 16 selfloop flow, removed 9 redundant places. [2023-08-30 13:06:51,563 INFO L231 Difference]: Finished difference. Result has 182 places, 114 transitions, 1802 flow [2023-08-30 13:06:51,564 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1638, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1802, PETRI_PLACES=182, PETRI_TRANSITIONS=114} [2023-08-30 13:06:51,564 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 149 predicate places. [2023-08-30 13:06:51,564 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 114 transitions, 1802 flow [2023-08-30 13:06:51,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:51,565 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:51,565 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:51,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-08-30 13:06:51,565 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:51,565 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:51,566 INFO L85 PathProgramCache]: Analyzing trace with hash 699468634, now seen corresponding path program 4 times [2023-08-30 13:06:51,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:51,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070049647] [2023-08-30 13:06:51,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:51,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:52,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:52,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:52,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070049647] [2023-08-30 13:06:52,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070049647] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:52,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:52,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:52,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471602145] [2023-08-30 13:06:52,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:52,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:52,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:52,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:52,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:53,211 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 13:06:53,212 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 114 transitions, 1802 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:53,212 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:53,212 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 13:06:53,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:53,500 INFO L130 PetriNetUnfolder]: 92/291 cut-off events. [2023-08-30 13:06:53,500 INFO L131 PetriNetUnfolder]: For 3242/3242 co-relation queries the response was YES. [2023-08-30 13:06:53,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1996 conditions, 291 events. 92/291 cut-off events. For 3242/3242 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1497 event pairs, 41 based on Foata normal form. 2/293 useless extension candidates. Maximal degree in co-relation 1881. Up to 224 conditions per place. [2023-08-30 13:06:53,503 INFO L137 encePairwiseOnDemand]: 313/325 looper letters, 89 selfloop transitions, 33 changer transitions 0/122 dead transitions. [2023-08-30 13:06:53,503 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 122 transitions, 2057 flow [2023-08-30 13:06:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 13:06:53,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 13:06:53,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1628 transitions. [2023-08-30 13:06:53,511 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41743589743589743 [2023-08-30 13:06:53,511 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1628 transitions. [2023-08-30 13:06:53,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1628 transitions. [2023-08-30 13:06:53,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:53,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1628 transitions. [2023-08-30 13:06:53,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 135.66666666666666) internal successors, (1628), 12 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:53,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:53,516 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:53,517 INFO L175 Difference]: Start difference. First operand has 182 places, 114 transitions, 1802 flow. Second operand 12 states and 1628 transitions. [2023-08-30 13:06:53,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 122 transitions, 2057 flow [2023-08-30 13:06:53,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 122 transitions, 1907 flow, removed 22 selfloop flow, removed 22 redundant places. [2023-08-30 13:06:53,534 INFO L231 Difference]: Finished difference. Result has 165 places, 113 transitions, 1694 flow [2023-08-30 13:06:53,534 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1628, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1694, PETRI_PLACES=165, PETRI_TRANSITIONS=113} [2023-08-30 13:06:53,536 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 132 predicate places. [2023-08-30 13:06:53,536 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 113 transitions, 1694 flow [2023-08-30 13:06:53,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:53,537 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:53,537 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:53,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-08-30 13:06:53,537 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:53,538 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:53,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1433504260, now seen corresponding path program 5 times [2023-08-30 13:06:53,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:53,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965694973] [2023-08-30 13:06:53,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:53,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:54,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:54,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:54,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965694973] [2023-08-30 13:06:54,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965694973] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:54,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:54,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:54,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480202171] [2023-08-30 13:06:54,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:54,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:54,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:54,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:54,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:55,167 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 13:06:55,168 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 113 transitions, 1694 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:55,168 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:55,168 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 13:06:55,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:55,549 INFO L130 PetriNetUnfolder]: 90/285 cut-off events. [2023-08-30 13:06:55,550 INFO L131 PetriNetUnfolder]: For 2764/2764 co-relation queries the response was YES. [2023-08-30 13:06:55,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1869 conditions, 285 events. 90/285 cut-off events. For 2764/2764 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1458 event pairs, 37 based on Foata normal form. 4/289 useless extension candidates. Maximal degree in co-relation 1719. Up to 166 conditions per place. [2023-08-30 13:06:55,552 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 59 selfloop transitions, 32 changer transitions 31/122 dead transitions. [2023-08-30 13:06:55,552 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 122 transitions, 1981 flow [2023-08-30 13:06:55,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 13:06:55,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 13:06:55,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1627 transitions. [2023-08-30 13:06:55,554 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41717948717948716 [2023-08-30 13:06:55,554 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1627 transitions. [2023-08-30 13:06:55,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1627 transitions. [2023-08-30 13:06:55,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:55,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1627 transitions. [2023-08-30 13:06:55,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 135.58333333333334) internal successors, (1627), 12 states have internal predecessors, (1627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:55,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:55,559 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:55,559 INFO L175 Difference]: Start difference. First operand has 165 places, 113 transitions, 1694 flow. Second operand 12 states and 1627 transitions. [2023-08-30 13:06:55,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 122 transitions, 1981 flow [2023-08-30 13:06:55,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 122 transitions, 1905 flow, removed 0 selfloop flow, removed 9 redundant places. [2023-08-30 13:06:55,574 INFO L231 Difference]: Finished difference. Result has 168 places, 90 transitions, 1259 flow [2023-08-30 13:06:55,574 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1575, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1259, PETRI_PLACES=168, PETRI_TRANSITIONS=90} [2023-08-30 13:06:55,575 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 135 predicate places. [2023-08-30 13:06:55,575 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 90 transitions, 1259 flow [2023-08-30 13:06:55,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:55,575 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:55,575 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:55,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-08-30 13:06:55,576 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:55,576 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:55,576 INFO L85 PathProgramCache]: Analyzing trace with hash -172649034, now seen corresponding path program 6 times [2023-08-30 13:06:55,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:55,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883708253] [2023-08-30 13:06:55,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:55,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:56,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:56,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:56,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883708253] [2023-08-30 13:06:56,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883708253] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:56,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:56,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:56,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804635676] [2023-08-30 13:06:56,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:56,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:56,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:56,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:56,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:57,096 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 13:06:57,097 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 90 transitions, 1259 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:57,097 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:57,097 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 13:06:57,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:57,484 INFO L130 PetriNetUnfolder]: 67/216 cut-off events. [2023-08-30 13:06:57,484 INFO L131 PetriNetUnfolder]: For 1849/1849 co-relation queries the response was YES. [2023-08-30 13:06:57,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1425 conditions, 216 events. 67/216 cut-off events. For 1849/1849 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 986 event pairs, 25 based on Foata normal form. 2/218 useless extension candidates. Maximal degree in co-relation 1375. Up to 120 conditions per place. [2023-08-30 13:06:57,486 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 56 selfloop transitions, 35 changer transitions 10/101 dead transitions. [2023-08-30 13:06:57,486 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 101 transitions, 1470 flow [2023-08-30 13:06:57,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-30 13:06:57,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-30 13:06:57,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1897 transitions. [2023-08-30 13:06:57,489 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4169230769230769 [2023-08-30 13:06:57,490 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1897 transitions. [2023-08-30 13:06:57,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1897 transitions. [2023-08-30 13:06:57,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:57,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1897 transitions. [2023-08-30 13:06:57,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 135.5) internal successors, (1897), 14 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:57,495 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 325.0) internal successors, (4875), 15 states have internal predecessors, (4875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:57,496 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 325.0) internal successors, (4875), 15 states have internal predecessors, (4875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:57,496 INFO L175 Difference]: Start difference. First operand has 168 places, 90 transitions, 1259 flow. Second operand 14 states and 1897 transitions. [2023-08-30 13:06:57,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 101 transitions, 1470 flow [2023-08-30 13:06:57,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 101 transitions, 1319 flow, removed 18 selfloop flow, removed 17 redundant places. [2023-08-30 13:06:57,508 INFO L231 Difference]: Finished difference. Result has 152 places, 84 transitions, 1096 flow [2023-08-30 13:06:57,508 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1086, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1096, PETRI_PLACES=152, PETRI_TRANSITIONS=84} [2023-08-30 13:06:57,508 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 119 predicate places. [2023-08-30 13:06:57,509 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 84 transitions, 1096 flow [2023-08-30 13:06:57,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:57,509 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:57,509 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:57,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-08-30 13:06:57,510 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:57,510 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:57,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1877503292, now seen corresponding path program 7 times [2023-08-30 13:06:57,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:57,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191757716] [2023-08-30 13:06:57,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:57,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:58,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:58,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:58,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191757716] [2023-08-30 13:06:58,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191757716] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:58,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:58,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:58,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890040457] [2023-08-30 13:06:58,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:58,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:58,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:58,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:58,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:58,887 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 13:06:58,888 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 84 transitions, 1096 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:58,888 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:58,888 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 13:06:58,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:59,252 INFO L130 PetriNetUnfolder]: 59/193 cut-off events. [2023-08-30 13:06:59,252 INFO L131 PetriNetUnfolder]: For 1342/1342 co-relation queries the response was YES. [2023-08-30 13:06:59,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1231 conditions, 193 events. 59/193 cut-off events. For 1342/1342 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 843 event pairs, 22 based on Foata normal form. 2/195 useless extension candidates. Maximal degree in co-relation 1192. Up to 120 conditions per place. [2023-08-30 13:06:59,253 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 47 selfloop transitions, 23 changer transitions 19/89 dead transitions. [2023-08-30 13:06:59,254 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 89 transitions, 1269 flow [2023-08-30 13:06:59,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-30 13:06:59,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-30 13:06:59,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1757 transitions. [2023-08-30 13:06:59,256 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4158579881656805 [2023-08-30 13:06:59,256 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1757 transitions. [2023-08-30 13:06:59,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1757 transitions. [2023-08-30 13:06:59,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:59,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1757 transitions. [2023-08-30 13:06:59,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 135.15384615384616) internal successors, (1757), 13 states have internal predecessors, (1757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:59,261 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:59,261 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:59,261 INFO L175 Difference]: Start difference. First operand has 152 places, 84 transitions, 1096 flow. Second operand 13 states and 1757 transitions. [2023-08-30 13:06:59,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 89 transitions, 1269 flow [2023-08-30 13:06:59,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 89 transitions, 1183 flow, removed 3 selfloop flow, removed 17 redundant places. [2023-08-30 13:06:59,269 INFO L231 Difference]: Finished difference. Result has 145 places, 69 transitions, 823 flow [2023-08-30 13:06:59,269 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=990, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=823, PETRI_PLACES=145, PETRI_TRANSITIONS=69} [2023-08-30 13:06:59,269 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 112 predicate places. [2023-08-30 13:06:59,270 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 69 transitions, 823 flow [2023-08-30 13:06:59,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:59,270 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:59,270 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:59,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-08-30 13:06:59,271 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:59,271 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:59,271 INFO L85 PathProgramCache]: Analyzing trace with hash 846934010, now seen corresponding path program 8 times [2023-08-30 13:06:59,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:59,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307010556] [2023-08-30 13:06:59,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:59,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:59,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:59,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:59,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307010556] [2023-08-30 13:06:59,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307010556] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:59,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:59,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:59,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758607726] [2023-08-30 13:06:59,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:59,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:59,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:59,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:59,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:07:00,756 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 13:07:00,757 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 69 transitions, 823 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:00,757 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:07:00,757 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 13:07:00,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:07:01,111 INFO L130 PetriNetUnfolder]: 33/127 cut-off events. [2023-08-30 13:07:01,111 INFO L131 PetriNetUnfolder]: For 807/807 co-relation queries the response was YES. [2023-08-30 13:07:01,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 845 conditions, 127 events. 33/127 cut-off events. For 807/807 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 502 event pairs, 8 based on Foata normal form. 2/129 useless extension candidates. Maximal degree in co-relation 809. Up to 72 conditions per place. [2023-08-30 13:07:01,112 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 43 selfloop transitions, 22 changer transitions 7/73 dead transitions. [2023-08-30 13:07:01,112 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 73 transitions, 963 flow [2023-08-30 13:07:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 13:07:01,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 13:07:01,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1489 transitions. [2023-08-30 13:07:01,114 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4165034965034965 [2023-08-30 13:07:01,114 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1489 transitions. [2023-08-30 13:07:01,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1489 transitions. [2023-08-30 13:07:01,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:07:01,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1489 transitions. [2023-08-30 13:07:01,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 135.36363636363637) internal successors, (1489), 11 states have internal predecessors, (1489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:01,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:01,118 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:01,118 INFO L175 Difference]: Start difference. First operand has 145 places, 69 transitions, 823 flow. Second operand 11 states and 1489 transitions. [2023-08-30 13:07:01,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 73 transitions, 963 flow [2023-08-30 13:07:01,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 73 transitions, 823 flow, removed 11 selfloop flow, removed 22 redundant places. [2023-08-30 13:07:01,124 INFO L231 Difference]: Finished difference. Result has 120 places, 63 transitions, 665 flow [2023-08-30 13:07:01,124 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=666, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=665, PETRI_PLACES=120, PETRI_TRANSITIONS=63} [2023-08-30 13:07:01,124 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 87 predicate places. [2023-08-30 13:07:01,124 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 63 transitions, 665 flow [2023-08-30 13:07:01,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:01,125 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:07:01,125 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:07:01,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-08-30 13:07:01,125 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:07:01,126 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:07:01,126 INFO L85 PathProgramCache]: Analyzing trace with hash -524857780, now seen corresponding path program 9 times [2023-08-30 13:07:01,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:07:01,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541302209] [2023-08-30 13:07:01,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:07:01,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:07:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:07:01,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:07:01,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:07:01,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541302209] [2023-08-30 13:07:01,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541302209] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:07:01,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:07:01,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:07:01,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73806401] [2023-08-30 13:07:01,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:07:01,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:07:01,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:07:01,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:07:01,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:07:02,644 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 13:07:02,645 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 63 transitions, 665 flow. Second operand has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:02,645 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:07:02,645 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 13:07:02,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:07:02,943 INFO L130 PetriNetUnfolder]: 45/135 cut-off events. [2023-08-30 13:07:02,943 INFO L131 PetriNetUnfolder]: For 480/480 co-relation queries the response was YES. [2023-08-30 13:07:02,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 135 events. 45/135 cut-off events. For 480/480 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 468 event pairs, 16 based on Foata normal form. 2/137 useless extension candidates. Maximal degree in co-relation 712. Up to 99 conditions per place. [2023-08-30 13:07:02,945 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 43 selfloop transitions, 6 changer transitions 19/68 dead transitions. [2023-08-30 13:07:02,945 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 68 transitions, 801 flow [2023-08-30 13:07:02,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 13:07:02,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 13:07:02,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1466 transitions. [2023-08-30 13:07:02,947 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4100699300699301 [2023-08-30 13:07:02,947 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1466 transitions. [2023-08-30 13:07:02,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1466 transitions. [2023-08-30 13:07:02,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:07:02,948 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1466 transitions. [2023-08-30 13:07:02,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 133.27272727272728) internal successors, (1466), 11 states have internal predecessors, (1466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:02,951 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:02,952 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:02,952 INFO L175 Difference]: Start difference. First operand has 120 places, 63 transitions, 665 flow. Second operand 11 states and 1466 transitions. [2023-08-30 13:07:02,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 68 transitions, 801 flow [2023-08-30 13:07:02,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 68 transitions, 746 flow, removed 0 selfloop flow, removed 10 redundant places. [2023-08-30 13:07:02,956 INFO L231 Difference]: Finished difference. Result has 113 places, 48 transitions, 472 flow [2023-08-30 13:07:02,956 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=472, PETRI_PLACES=113, PETRI_TRANSITIONS=48} [2023-08-30 13:07:02,957 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 80 predicate places. [2023-08-30 13:07:02,957 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 48 transitions, 472 flow [2023-08-30 13:07:02,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:02,957 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:07:02,957 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:07:02,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-08-30 13:07:02,958 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:07:02,958 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:07:02,958 INFO L85 PathProgramCache]: Analyzing trace with hash 667066974, now seen corresponding path program 8 times [2023-08-30 13:07:02,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:07:02,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430865910] [2023-08-30 13:07:02,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:07:02,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:07:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:07:03,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:07:03,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:07:03,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430865910] [2023-08-30 13:07:03,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430865910] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:07:03,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:07:03,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:07:03,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595777668] [2023-08-30 13:07:03,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:07:03,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:07:03,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:07:03,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:07:03,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:07:04,294 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 13:07:04,295 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 48 transitions, 472 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:04,295 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:07:04,295 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 13:07:04,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:07:04,664 INFO L130 PetriNetUnfolder]: 46/139 cut-off events. [2023-08-30 13:07:04,664 INFO L131 PetriNetUnfolder]: For 417/417 co-relation queries the response was YES. [2023-08-30 13:07:04,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 720 conditions, 139 events. 46/139 cut-off events. For 417/417 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 488 event pairs, 11 based on Foata normal form. 2/141 useless extension candidates. Maximal degree in co-relation 696. Up to 34 conditions per place. [2023-08-30 13:07:04,665 INFO L137 encePairwiseOnDemand]: 313/325 looper letters, 40 selfloop transitions, 32 changer transitions 0/72 dead transitions. [2023-08-30 13:07:04,665 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 72 transitions, 759 flow [2023-08-30 13:07:04,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-30 13:07:04,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-30 13:07:04,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2030 transitions. [2023-08-30 13:07:04,667 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4164102564102564 [2023-08-30 13:07:04,667 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2030 transitions. [2023-08-30 13:07:04,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2030 transitions. [2023-08-30 13:07:04,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:07:04,668 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2030 transitions. [2023-08-30 13:07:04,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 135.33333333333334) internal successors, (2030), 15 states have internal predecessors, (2030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:04,671 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 325.0) internal successors, (5200), 16 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:04,671 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 325.0) internal successors, (5200), 16 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:04,672 INFO L175 Difference]: Start difference. First operand has 113 places, 48 transitions, 472 flow. Second operand 15 states and 2030 transitions. [2023-08-30 13:07:04,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 72 transitions, 759 flow [2023-08-30 13:07:04,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 72 transitions, 695 flow, removed 9 selfloop flow, removed 13 redundant places. [2023-08-30 13:07:04,675 INFO L231 Difference]: Finished difference. Result has 97 places, 57 transitions, 591 flow [2023-08-30 13:07:04,675 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=423, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=591, PETRI_PLACES=97, PETRI_TRANSITIONS=57} [2023-08-30 13:07:04,675 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 64 predicate places. [2023-08-30 13:07:04,675 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 57 transitions, 591 flow [2023-08-30 13:07:04,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:04,676 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:07:04,676 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:07:04,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-08-30 13:07:04,676 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:07:04,677 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:07:04,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1340144268, now seen corresponding path program 10 times [2023-08-30 13:07:04,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:07:04,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668524624] [2023-08-30 13:07:04,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:07:04,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:07:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:07:05,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:07:05,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:07:05,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668524624] [2023-08-30 13:07:05,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668524624] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:07:05,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:07:05,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-30 13:07:05,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264533880] [2023-08-30 13:07:05,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:07:05,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-30 13:07:05,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:07:05,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-30 13:07:05,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-08-30 13:07:05,956 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 325 [2023-08-30 13:07:05,957 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 57 transitions, 591 flow. Second operand has 12 states, 12 states have (on average 137.16666666666666) internal successors, (1646), 12 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:05,957 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:07:05,957 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 325 [2023-08-30 13:07:05,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:07:06,385 INFO L130 PetriNetUnfolder]: 33/131 cut-off events. [2023-08-30 13:07:06,385 INFO L131 PetriNetUnfolder]: For 442/442 co-relation queries the response was YES. [2023-08-30 13:07:06,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 769 conditions, 131 events. 33/131 cut-off events. For 442/442 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 536 event pairs, 8 based on Foata normal form. 2/133 useless extension candidates. Maximal degree in co-relation 748. Up to 66 conditions per place. [2023-08-30 13:07:06,386 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 41 selfloop transitions, 25 changer transitions 9/76 dead transitions. [2023-08-30 13:07:06,386 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 76 transitions, 868 flow [2023-08-30 13:07:06,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-30 13:07:06,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-30 13:07:06,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1812 transitions. [2023-08-30 13:07:06,389 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4288757396449704 [2023-08-30 13:07:06,389 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1812 transitions. [2023-08-30 13:07:06,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1812 transitions. [2023-08-30 13:07:06,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:07:06,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1812 transitions. [2023-08-30 13:07:06,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 139.3846153846154) internal successors, (1812), 13 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:06,393 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:06,394 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:06,394 INFO L175 Difference]: Start difference. First operand has 97 places, 57 transitions, 591 flow. Second operand 13 states and 1812 transitions. [2023-08-30 13:07:06,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 76 transitions, 868 flow [2023-08-30 13:07:06,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 76 transitions, 821 flow, removed 5 selfloop flow, removed 8 redundant places. [2023-08-30 13:07:06,398 INFO L231 Difference]: Finished difference. Result has 105 places, 59 transitions, 644 flow [2023-08-30 13:07:06,398 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=644, PETRI_PLACES=105, PETRI_TRANSITIONS=59} [2023-08-30 13:07:06,398 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 72 predicate places. [2023-08-30 13:07:06,398 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 59 transitions, 644 flow [2023-08-30 13:07:06,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 137.16666666666666) internal successors, (1646), 12 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:06,399 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:07:06,399 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:07:06,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-08-30 13:07:06,399 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:07:06,399 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:07:06,399 INFO L85 PathProgramCache]: Analyzing trace with hash 667156180, now seen corresponding path program 11 times [2023-08-30 13:07:06,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:07:06,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244766538] [2023-08-30 13:07:06,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:07:06,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:07:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:07:07,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:07:07,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:07:07,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244766538] [2023-08-30 13:07:07,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244766538] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:07:07,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:07:07,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:07:07,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046340789] [2023-08-30 13:07:07,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:07:07,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:07:07,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:07:07,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:07:07,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:07:07,874 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 13:07:07,875 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 59 transitions, 644 flow. Second operand has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:07,875 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:07:07,875 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 13:07:07,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:07:08,245 INFO L130 PetriNetUnfolder]: 47/154 cut-off events. [2023-08-30 13:07:08,246 INFO L131 PetriNetUnfolder]: For 613/613 co-relation queries the response was YES. [2023-08-30 13:07:08,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 851 conditions, 154 events. 47/154 cut-off events. For 613/613 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 598 event pairs, 16 based on Foata normal form. 2/156 useless extension candidates. Maximal degree in co-relation 826. Up to 56 conditions per place. [2023-08-30 13:07:08,246 INFO L137 encePairwiseOnDemand]: 313/325 looper letters, 41 selfloop transitions, 28 changer transitions 10/79 dead transitions. [2023-08-30 13:07:08,247 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 79 transitions, 896 flow [2023-08-30 13:07:08,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-30 13:07:08,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-30 13:07:08,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1742 transitions. [2023-08-30 13:07:08,248 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4123076923076923 [2023-08-30 13:07:08,248 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1742 transitions. [2023-08-30 13:07:08,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1742 transitions. [2023-08-30 13:07:08,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:07:08,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1742 transitions. [2023-08-30 13:07:08,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 134.0) internal successors, (1742), 13 states have internal predecessors, (1742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:08,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:08,253 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:08,253 INFO L175 Difference]: Start difference. First operand has 105 places, 59 transitions, 644 flow. Second operand 13 states and 1742 transitions. [2023-08-30 13:07:08,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 79 transitions, 896 flow [2023-08-30 13:07:08,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 79 transitions, 855 flow, removed 5 selfloop flow, removed 8 redundant places. [2023-08-30 13:07:08,257 INFO L231 Difference]: Finished difference. Result has 110 places, 56 transitions, 648 flow [2023-08-30 13:07:08,257 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=605, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=648, PETRI_PLACES=110, PETRI_TRANSITIONS=56} [2023-08-30 13:07:08,258 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 77 predicate places. [2023-08-30 13:07:08,258 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 56 transitions, 648 flow [2023-08-30 13:07:08,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:08,259 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:07:08,259 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:07:08,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-08-30 13:07:08,259 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:07:08,259 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:07:08,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1807186516, now seen corresponding path program 12 times [2023-08-30 13:07:08,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:07:08,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880053518] [2023-08-30 13:07:08,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:07:08,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:07:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:07:08,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:07:08,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:07:08,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880053518] [2023-08-30 13:07:08,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880053518] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:07:08,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:07:08,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-30 13:07:08,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183638741] [2023-08-30 13:07:08,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:07:08,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-30 13:07:08,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:07:08,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-30 13:07:08,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-08-30 13:07:09,547 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 325 [2023-08-30 13:07:09,548 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 56 transitions, 648 flow. Second operand has 12 states, 12 states have (on average 137.16666666666666) internal successors, (1646), 12 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:09,548 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:07:09,548 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 325 [2023-08-30 13:07:09,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:07:09,799 INFO L130 PetriNetUnfolder]: 24/103 cut-off events. [2023-08-30 13:07:09,800 INFO L131 PetriNetUnfolder]: For 507/507 co-relation queries the response was YES. [2023-08-30 13:07:09,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 664 conditions, 103 events. 24/103 cut-off events. For 507/507 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 363 event pairs, 6 based on Foata normal form. 2/105 useless extension candidates. Maximal degree in co-relation 639. Up to 60 conditions per place. [2023-08-30 13:07:09,800 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 30 selfloop transitions, 17 changer transitions 13/61 dead transitions. [2023-08-30 13:07:09,800 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 61 transitions, 768 flow [2023-08-30 13:07:09,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 13:07:09,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 13:07:09,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1528 transitions. [2023-08-30 13:07:09,802 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4274125874125874 [2023-08-30 13:07:09,802 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1528 transitions. [2023-08-30 13:07:09,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1528 transitions. [2023-08-30 13:07:09,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:07:09,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1528 transitions. [2023-08-30 13:07:09,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 138.9090909090909) internal successors, (1528), 11 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:09,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:09,807 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:09,807 INFO L175 Difference]: Start difference. First operand has 110 places, 56 transitions, 648 flow. Second operand 11 states and 1528 transitions. [2023-08-30 13:07:09,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 61 transitions, 768 flow [2023-08-30 13:07:09,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 61 transitions, 702 flow, removed 3 selfloop flow, removed 10 redundant places. [2023-08-30 13:07:09,811 INFO L231 Difference]: Finished difference. Result has 109 places, 47 transitions, 502 flow [2023-08-30 13:07:09,811 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=502, PETRI_PLACES=109, PETRI_TRANSITIONS=47} [2023-08-30 13:07:09,811 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 76 predicate places. [2023-08-30 13:07:09,811 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 47 transitions, 502 flow [2023-08-30 13:07:09,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 137.16666666666666) internal successors, (1646), 12 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:09,812 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:07:09,812 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:07:09,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-08-30 13:07:09,812 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:07:09,813 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:07:09,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1164883834, now seen corresponding path program 9 times [2023-08-30 13:07:09,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:07:09,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641859652] [2023-08-30 13:07:09,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:07:09,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:07:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:07:10,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:07:10,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:07:10,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641859652] [2023-08-30 13:07:10,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641859652] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:07:10,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:07:10,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:07:10,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900665873] [2023-08-30 13:07:10,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:07:10,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:07:10,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:07:10,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:07:10,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:07:11,242 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 13:07:11,243 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 47 transitions, 502 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:11,243 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:07:11,243 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 13:07:11,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:07:11,519 INFO L130 PetriNetUnfolder]: 30/104 cut-off events. [2023-08-30 13:07:11,519 INFO L131 PetriNetUnfolder]: For 321/321 co-relation queries the response was YES. [2023-08-30 13:07:11,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 591 conditions, 104 events. 30/104 cut-off events. For 321/321 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 312 event pairs, 14 based on Foata normal form. 2/106 useless extension candidates. Maximal degree in co-relation 569. Up to 60 conditions per place. [2023-08-30 13:07:11,520 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 35 selfloop transitions, 18 changer transitions 0/53 dead transitions. [2023-08-30 13:07:11,521 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 53 transitions, 616 flow [2023-08-30 13:07:11,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 13:07:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 13:07:11,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1485 transitions. [2023-08-30 13:07:11,523 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4153846153846154 [2023-08-30 13:07:11,523 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1485 transitions. [2023-08-30 13:07:11,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1485 transitions. [2023-08-30 13:07:11,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:07:11,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1485 transitions. [2023-08-30 13:07:11,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 135.0) internal successors, (1485), 11 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:11,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:11,527 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:11,527 INFO L175 Difference]: Start difference. First operand has 109 places, 47 transitions, 502 flow. Second operand 11 states and 1485 transitions. [2023-08-30 13:07:11,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 53 transitions, 616 flow [2023-08-30 13:07:11,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 53 transitions, 565 flow, removed 2 selfloop flow, removed 11 redundant places. [2023-08-30 13:07:11,530 INFO L231 Difference]: Finished difference. Result has 104 places, 47 transitions, 489 flow [2023-08-30 13:07:11,530 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=489, PETRI_PLACES=104, PETRI_TRANSITIONS=47} [2023-08-30 13:07:11,530 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 71 predicate places. [2023-08-30 13:07:11,530 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 47 transitions, 489 flow [2023-08-30 13:07:11,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:11,531 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:07:11,531 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:07:11,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-08-30 13:07:11,531 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:07:11,531 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:07:11,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1313390028, now seen corresponding path program 13 times [2023-08-30 13:07:11,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:07:11,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18330107] [2023-08-30 13:07:11,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:07:11,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:07:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:07:12,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:07:12,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:07:12,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18330107] [2023-08-30 13:07:12,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18330107] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:07:12,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:07:12,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:07:12,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316273153] [2023-08-30 13:07:12,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:07:12,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:07:12,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:07:12,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:07:12,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:07:13,041 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 13:07:13,042 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 47 transitions, 489 flow. Second operand has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:13,042 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:07:13,042 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 13:07:13,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:07:13,320 INFO L130 PetriNetUnfolder]: 29/101 cut-off events. [2023-08-30 13:07:13,320 INFO L131 PetriNetUnfolder]: For 259/259 co-relation queries the response was YES. [2023-08-30 13:07:13,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 559 conditions, 101 events. 29/101 cut-off events. For 259/259 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 300 event pairs, 13 based on Foata normal form. 2/103 useless extension candidates. Maximal degree in co-relation 539. Up to 60 conditions per place. [2023-08-30 13:07:13,320 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 28 selfloop transitions, 12 changer transitions 12/52 dead transitions. [2023-08-30 13:07:13,320 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 52 transitions, 592 flow [2023-08-30 13:07:13,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 13:07:13,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 13:07:13,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1462 transitions. [2023-08-30 13:07:13,322 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40895104895104895 [2023-08-30 13:07:13,322 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1462 transitions. [2023-08-30 13:07:13,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1462 transitions. [2023-08-30 13:07:13,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:07:13,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1462 transitions. [2023-08-30 13:07:13,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 132.9090909090909) internal successors, (1462), 11 states have internal predecessors, (1462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:13,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:13,326 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:13,326 INFO L175 Difference]: Start difference. First operand has 104 places, 47 transitions, 489 flow. Second operand 11 states and 1462 transitions. [2023-08-30 13:07:13,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 52 transitions, 592 flow [2023-08-30 13:07:13,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 52 transitions, 559 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-30 13:07:13,329 INFO L231 Difference]: Finished difference. Result has 106 places, 39 transitions, 388 flow [2023-08-30 13:07:13,329 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=388, PETRI_PLACES=106, PETRI_TRANSITIONS=39} [2023-08-30 13:07:13,329 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 73 predicate places. [2023-08-30 13:07:13,329 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 39 transitions, 388 flow [2023-08-30 13:07:13,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:13,330 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:07:13,330 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:07:13,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-08-30 13:07:13,330 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:07:13,331 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:07:13,331 INFO L85 PathProgramCache]: Analyzing trace with hash 721526844, now seen corresponding path program 10 times [2023-08-30 13:07:13,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:07:13,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928981536] [2023-08-30 13:07:13,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:07:13,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:07:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:07:13,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:07:13,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:07:13,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928981536] [2023-08-30 13:07:13,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928981536] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:07:13,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:07:13,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:07:13,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764706598] [2023-08-30 13:07:13,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:07:13,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:07:13,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:07:13,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:07:13,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:07:14,622 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 13:07:14,623 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 39 transitions, 388 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:14,624 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:07:14,624 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 13:07:14,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:07:14,864 INFO L130 PetriNetUnfolder]: 22/77 cut-off events. [2023-08-30 13:07:14,864 INFO L131 PetriNetUnfolder]: For 195/195 co-relation queries the response was YES. [2023-08-30 13:07:14,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 421 conditions, 77 events. 22/77 cut-off events. For 195/195 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 180 event pairs, 8 based on Foata normal form. 2/79 useless extension candidates. Maximal degree in co-relation 400. Up to 34 conditions per place. [2023-08-30 13:07:14,865 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 29 selfloop transitions, 16 changer transitions 0/45 dead transitions. [2023-08-30 13:07:14,865 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 45 transitions, 474 flow [2023-08-30 13:07:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 13:07:14,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 13:07:14,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1485 transitions. [2023-08-30 13:07:14,868 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4153846153846154 [2023-08-30 13:07:14,868 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1485 transitions. [2023-08-30 13:07:14,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1485 transitions. [2023-08-30 13:07:14,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:07:14,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1485 transitions. [2023-08-30 13:07:14,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 135.0) internal successors, (1485), 11 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:14,871 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:14,872 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:14,872 INFO L175 Difference]: Start difference. First operand has 106 places, 39 transitions, 388 flow. Second operand 11 states and 1485 transitions. [2023-08-30 13:07:14,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 45 transitions, 474 flow [2023-08-30 13:07:14,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 45 transitions, 406 flow, removed 4 selfloop flow, removed 13 redundant places. [2023-08-30 13:07:14,874 INFO L231 Difference]: Finished difference. Result has 93 places, 38 transitions, 329 flow [2023-08-30 13:07:14,875 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=329, PETRI_PLACES=93, PETRI_TRANSITIONS=38} [2023-08-30 13:07:14,875 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 60 predicate places. [2023-08-30 13:07:14,875 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 38 transitions, 329 flow [2023-08-30 13:07:14,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:14,876 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:07:14,876 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:07:14,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-08-30 13:07:14,876 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:07:14,876 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:07:14,877 INFO L85 PathProgramCache]: Analyzing trace with hash 574061320, now seen corresponding path program 14 times [2023-08-30 13:07:14,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:07:14,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793847910] [2023-08-30 13:07:14,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:07:14,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:07:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:07:15,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:07:15,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:07:15,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793847910] [2023-08-30 13:07:15,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793847910] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:07:15,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:07:15,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:07:15,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626283785] [2023-08-30 13:07:15,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:07:15,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:07:15,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:07:15,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:07:15,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:07:16,293 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 13:07:16,294 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 38 transitions, 329 flow. Second operand has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:16,294 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:07:16,294 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 13:07:16,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:07:16,518 INFO L130 PetriNetUnfolder]: 21/74 cut-off events. [2023-08-30 13:07:16,518 INFO L131 PetriNetUnfolder]: For 116/116 co-relation queries the response was YES. [2023-08-30 13:07:16,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 365 conditions, 74 events. 21/74 cut-off events. For 116/116 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 171 event pairs, 7 based on Foata normal form. 2/76 useless extension candidates. Maximal degree in co-relation 348. Up to 34 conditions per place. [2023-08-30 13:07:16,519 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 16 selfloop transitions, 7 changer transitions 21/44 dead transitions. [2023-08-30 13:07:16,519 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 44 transitions, 422 flow [2023-08-30 13:07:16,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 13:07:16,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 13:07:16,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1462 transitions. [2023-08-30 13:07:16,521 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40895104895104895 [2023-08-30 13:07:16,521 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1462 transitions. [2023-08-30 13:07:16,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1462 transitions. [2023-08-30 13:07:16,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:07:16,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1462 transitions. [2023-08-30 13:07:16,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 132.9090909090909) internal successors, (1462), 11 states have internal predecessors, (1462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:16,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:16,525 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:16,525 INFO L175 Difference]: Start difference. First operand has 93 places, 38 transitions, 329 flow. Second operand 11 states and 1462 transitions. [2023-08-30 13:07:16,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 44 transitions, 422 flow [2023-08-30 13:07:16,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 44 transitions, 392 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-30 13:07:16,527 INFO L231 Difference]: Finished difference. Result has 95 places, 21 transitions, 169 flow [2023-08-30 13:07:16,527 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=169, PETRI_PLACES=95, PETRI_TRANSITIONS=21} [2023-08-30 13:07:16,528 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 62 predicate places. [2023-08-30 13:07:16,528 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 21 transitions, 169 flow [2023-08-30 13:07:16,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:16,528 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:07:16,528 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:07:16,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-08-30 13:07:16,529 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:07:16,529 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:07:16,529 INFO L85 PathProgramCache]: Analyzing trace with hash 161793774, now seen corresponding path program 11 times [2023-08-30 13:07:16,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:07:16,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886432309] [2023-08-30 13:07:16,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:07:16,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:07:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:07:17,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:07:17,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:07:17,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886432309] [2023-08-30 13:07:17,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886432309] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:07:17,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:07:17,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:07:17,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435339127] [2023-08-30 13:07:17,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:07:17,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:07:17,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:07:17,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:07:17,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:07:17,845 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 13:07:17,845 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 21 transitions, 169 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:17,845 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:07:17,846 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 13:07:17,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:07:18,109 INFO L130 PetriNetUnfolder]: 16/56 cut-off events. [2023-08-30 13:07:18,109 INFO L131 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2023-08-30 13:07:18,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 56 events. 16/56 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 115 event pairs, 5 based on Foata normal form. 2/58 useless extension candidates. Maximal degree in co-relation 270. Up to 17 conditions per place. [2023-08-30 13:07:18,110 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 19 selfloop transitions, 14 changer transitions 0/33 dead transitions. [2023-08-30 13:07:18,110 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 33 transitions, 291 flow [2023-08-30 13:07:18,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 13:07:18,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 13:07:18,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1616 transitions. [2023-08-30 13:07:18,112 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41435897435897434 [2023-08-30 13:07:18,112 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1616 transitions. [2023-08-30 13:07:18,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1616 transitions. [2023-08-30 13:07:18,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:07:18,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1616 transitions. [2023-08-30 13:07:18,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 134.66666666666666) internal successors, (1616), 12 states have internal predecessors, (1616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:18,115 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:18,116 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:18,116 INFO L175 Difference]: Start difference. First operand has 95 places, 21 transitions, 169 flow. Second operand 12 states and 1616 transitions. [2023-08-30 13:07:18,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 33 transitions, 291 flow [2023-08-30 13:07:18,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 33 transitions, 224 flow, removed 9 selfloop flow, removed 21 redundant places. [2023-08-30 13:07:18,118 INFO L231 Difference]: Finished difference. Result has 76 places, 25 transitions, 182 flow [2023-08-30 13:07:18,118 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=182, PETRI_PLACES=76, PETRI_TRANSITIONS=25} [2023-08-30 13:07:18,118 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 43 predicate places. [2023-08-30 13:07:18,118 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 25 transitions, 182 flow [2023-08-30 13:07:18,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:18,119 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:07:18,119 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:07:18,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-08-30 13:07:18,119 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:07:18,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:07:18,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1550794576, now seen corresponding path program 15 times [2023-08-30 13:07:18,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:07:18,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927059102] [2023-08-30 13:07:18,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:07:18,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:07:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:07:18,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:07:18,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:07:18,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927059102] [2023-08-30 13:07:18,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927059102] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:07:18,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:07:18,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:07:18,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47601527] [2023-08-30 13:07:18,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:07:18,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:07:18,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:07:18,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:07:18,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:07:19,348 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 13:07:19,349 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 25 transitions, 182 flow. Second operand has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:19,349 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:07:19,349 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 13:07:19,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:07:19,592 INFO L130 PetriNetUnfolder]: 15/53 cut-off events. [2023-08-30 13:07:19,592 INFO L131 PetriNetUnfolder]: For 66/66 co-relation queries the response was YES. [2023-08-30 13:07:19,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 245 conditions, 53 events. 15/53 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 101 event pairs, 4 based on Foata normal form. 2/55 useless extension candidates. Maximal degree in co-relation 231. Up to 15 conditions per place. [2023-08-30 13:07:19,593 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 11 selfloop transitions, 11 changer transitions 10/32 dead transitions. [2023-08-30 13:07:19,593 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 32 transitions, 249 flow [2023-08-30 13:07:19,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 13:07:19,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 13:07:19,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1591 transitions. [2023-08-30 13:07:19,594 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40794871794871795 [2023-08-30 13:07:19,594 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1591 transitions. [2023-08-30 13:07:19,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1591 transitions. [2023-08-30 13:07:19,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:07:19,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1591 transitions. [2023-08-30 13:07:19,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 132.58333333333334) internal successors, (1591), 12 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:19,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:19,597 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:19,598 INFO L175 Difference]: Start difference. First operand has 76 places, 25 transitions, 182 flow. Second operand 12 states and 1591 transitions. [2023-08-30 13:07:19,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 32 transitions, 249 flow [2023-08-30 13:07:19,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 32 transitions, 228 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-30 13:07:19,598 INFO L231 Difference]: Finished difference. Result has 79 places, 19 transitions, 133 flow [2023-08-30 13:07:19,599 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=133, PETRI_PLACES=79, PETRI_TRANSITIONS=19} [2023-08-30 13:07:19,599 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 46 predicate places. [2023-08-30 13:07:19,599 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 19 transitions, 133 flow [2023-08-30 13:07:19,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:19,599 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:07:19,599 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:07:19,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-08-30 13:07:19,599 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:07:19,600 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:07:19,600 INFO L85 PathProgramCache]: Analyzing trace with hash 68788194, now seen corresponding path program 12 times [2023-08-30 13:07:19,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:07:19,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098804320] [2023-08-30 13:07:19,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:07:19,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:07:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:07:20,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:07:20,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:07:20,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098804320] [2023-08-30 13:07:20,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098804320] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:07:20,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:07:20,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:07:20,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013147382] [2023-08-30 13:07:20,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:07:20,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:07:20,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:07:20,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:07:20,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:07:20,859 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 13:07:20,860 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 19 transitions, 133 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:20,860 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:07:20,860 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 13:07:20,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:07:21,050 INFO L130 PetriNetUnfolder]: 7/30 cut-off events. [2023-08-30 13:07:21,050 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2023-08-30 13:07:21,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 30 events. 7/30 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 2 based on Foata normal form. 2/32 useless extension candidates. Maximal degree in co-relation 126. Up to 15 conditions per place. [2023-08-30 13:07:21,050 INFO L137 encePairwiseOnDemand]: 316/325 looper letters, 10 selfloop transitions, 9 changer transitions 0/19 dead transitions. [2023-08-30 13:07:21,050 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 19 transitions, 150 flow [2023-08-30 13:07:21,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 13:07:21,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 13:07:21,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1339 transitions. [2023-08-30 13:07:21,052 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.412 [2023-08-30 13:07:21,052 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1339 transitions. [2023-08-30 13:07:21,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1339 transitions. [2023-08-30 13:07:21,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:07:21,053 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1339 transitions. [2023-08-30 13:07:21,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 133.9) internal successors, (1339), 10 states have internal predecessors, (1339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:21,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 325.0) internal successors, (3575), 11 states have internal predecessors, (3575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:21,056 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 325.0) internal successors, (3575), 11 states have internal predecessors, (3575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:21,056 INFO L175 Difference]: Start difference. First operand has 79 places, 19 transitions, 133 flow. Second operand 10 states and 1339 transitions. [2023-08-30 13:07:21,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 19 transitions, 150 flow [2023-08-30 13:07:21,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 19 transitions, 108 flow, removed 0 selfloop flow, removed 17 redundant places. [2023-08-30 13:07:21,057 INFO L231 Difference]: Finished difference. Result has 52 places, 18 transitions, 86 flow [2023-08-30 13:07:21,057 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=86, PETRI_PLACES=52, PETRI_TRANSITIONS=18} [2023-08-30 13:07:21,057 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 19 predicate places. [2023-08-30 13:07:21,058 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 18 transitions, 86 flow [2023-08-30 13:07:21,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:21,058 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:07:21,058 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:07:21,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-08-30 13:07:21,058 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:07:21,058 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:07:21,058 INFO L85 PathProgramCache]: Analyzing trace with hash 68788120, now seen corresponding path program 16 times [2023-08-30 13:07:21,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:07:21,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257045794] [2023-08-30 13:07:21,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:07:21,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:07:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:07:21,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:07:21,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:07:21,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257045794] [2023-08-30 13:07:21,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257045794] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:07:21,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:07:21,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:07:21,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980402293] [2023-08-30 13:07:21,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:07:21,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:07:21,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:07:21,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:07:21,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:07:22,265 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 325 [2023-08-30 13:07:22,266 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 18 transitions, 86 flow. Second operand has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:22,266 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:07:22,266 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 325 [2023-08-30 13:07:22,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:07:22,553 INFO L130 PetriNetUnfolder]: 2/19 cut-off events. [2023-08-30 13:07:22,553 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-08-30 13:07:22,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 19 events. 2/19 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 8 event pairs, 1 based on Foata normal form. 2/21 useless extension candidates. Maximal degree in co-relation 58. Up to 7 conditions per place. [2023-08-30 13:07:22,553 INFO L137 encePairwiseOnDemand]: 316/325 looper letters, 0 selfloop transitions, 0 changer transitions 17/17 dead transitions. [2023-08-30 13:07:22,553 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 17 transitions, 103 flow [2023-08-30 13:07:22,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-30 13:07:22,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-30 13:07:22,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1231 transitions. [2023-08-30 13:07:22,556 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42085470085470084 [2023-08-30 13:07:22,557 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1231 transitions. [2023-08-30 13:07:22,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1231 transitions. [2023-08-30 13:07:22,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:07:22,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1231 transitions. [2023-08-30 13:07:22,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 136.77777777777777) internal successors, (1231), 9 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:22,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 325.0) internal successors, (3250), 10 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:22,559 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 325.0) internal successors, (3250), 10 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:22,559 INFO L175 Difference]: Start difference. First operand has 52 places, 18 transitions, 86 flow. Second operand 9 states and 1231 transitions. [2023-08-30 13:07:22,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 17 transitions, 103 flow [2023-08-30 13:07:22,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 17 transitions, 86 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-30 13:07:22,560 INFO L231 Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow [2023-08-30 13:07:22,560 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=39, PETRI_TRANSITIONS=0} [2023-08-30 13:07:22,560 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 6 predicate places. [2023-08-30 13:07:22,560 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 0 transitions, 0 flow [2023-08-30 13:07:22,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:07:22,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2023-08-30 13:07:22,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2023-08-30 13:07:22,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-08-30 13:07:22,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-08-30 13:07:22,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-08-30 13:07:22,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-08-30 13:07:22,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-08-30 13:07:22,564 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-08-30 13:07:22,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-08-30 13:07:22,564 INFO L445 BasicCegarLoop]: Path program histogram: [16, 12, 5, 4, 2, 2, 1, 1, 1, 1, 1] [2023-08-30 13:07:22,568 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 13:07:22,568 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 13:07:22,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 01:07:22 BasicIcfg [2023-08-30 13:07:22,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 13:07:22,571 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 13:07:22,571 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 13:07:22,571 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 13:07:22,571 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:05:59" (3/4) ... [2023-08-30 13:07:22,573 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 13:07:22,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2023-08-30 13:07:22,582 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-30 13:07:22,582 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-08-30 13:07:22,582 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-30 13:07:22,583 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 13:07:22,609 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 13:07:22,609 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 13:07:22,609 INFO L158 Benchmark]: Toolchain (without parser) took 85043.39ms. Allocated memory was 79.7MB in the beginning and 482.3MB in the end (delta: 402.7MB). Free memory was 53.4MB in the beginning and 398.0MB in the end (delta: -344.5MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2023-08-30 13:07:22,610 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory was 38.5MB in the beginning and 38.5MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 13:07:22,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 859.76ms. Allocated memory is still 79.7MB. Free memory was 53.2MB in the beginning and 42.5MB in the end (delta: 10.8MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2023-08-30 13:07:22,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.20ms. Allocated memory is still 79.7MB. Free memory was 42.5MB in the beginning and 38.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 13:07:22,610 INFO L158 Benchmark]: Boogie Preprocessor took 35.12ms. Allocated memory is still 79.7MB. Free memory was 38.9MB in the beginning and 36.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 13:07:22,611 INFO L158 Benchmark]: RCFGBuilder took 625.89ms. Allocated memory is still 79.7MB. Free memory was 36.2MB in the beginning and 33.1MB in the end (delta: 3.1MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-08-30 13:07:22,611 INFO L158 Benchmark]: TraceAbstraction took 83402.96ms. Allocated memory was 79.7MB in the beginning and 482.3MB in the end (delta: 402.7MB). Free memory was 32.4MB in the beginning and 402.1MB in the end (delta: -369.8MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2023-08-30 13:07:22,611 INFO L158 Benchmark]: Witness Printer took 38.27ms. Allocated memory is still 482.3MB. Free memory was 402.1MB in the beginning and 398.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 13:07:22,612 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory was 38.5MB in the beginning and 38.5MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 859.76ms. Allocated memory is still 79.7MB. Free memory was 53.2MB in the beginning and 42.5MB in the end (delta: 10.8MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.20ms. Allocated memory is still 79.7MB. Free memory was 42.5MB in the beginning and 38.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.12ms. Allocated memory is still 79.7MB. Free memory was 38.9MB in the beginning and 36.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 625.89ms. Allocated memory is still 79.7MB. Free memory was 36.2MB in the beginning and 33.1MB in the end (delta: 3.1MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * TraceAbstraction took 83402.96ms. Allocated memory was 79.7MB in the beginning and 482.3MB in the end (delta: 402.7MB). Free memory was 32.4MB in the beginning and 402.1MB in the end (delta: -369.8MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Witness Printer took 38.27ms. Allocated memory is still 482.3MB. Free memory was 402.1MB in the beginning and 398.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.1s, 150 PlacesBefore, 33 PlacesAfterwards, 147 TransitionsBefore, 27 TransitionsAfterwards, 3996 CoEnabledTransitionPairs, 8 FixpointIterations, 57 TrivialSequentialCompositions, 71 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 9 ConcurrentYvCompositions, 3 ChoiceCompositions, 148 TotalNumberOfCompositions, 8740 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4063, independent: 3771, independent conditional: 0, independent unconditional: 3771, dependent: 292, dependent conditional: 0, dependent unconditional: 292, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2225, independent: 2166, independent conditional: 0, independent unconditional: 2166, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4063, independent: 1605, independent conditional: 0, independent unconditional: 1605, dependent: 233, dependent conditional: 0, dependent unconditional: 233, unknown: 2225, unknown conditional: 0, unknown unconditional: 2225] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1712]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1712]: 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, 190 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: 83.3s, OverallIterations: 46, TraceHistogramMax: 1, PathProgramHistogramMax: 16, EmptinessCheckTime: 0.0s, AutomataDifference: 44.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17321 SdHoareTripleChecker+Valid, 34.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14465 mSDsluCounter, 20317 SdHoareTripleChecker+Invalid, 29.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19743 mSDsCounter, 1565 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70548 IncrementalHoareTripleChecker+Invalid, 72113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1565 mSolverCounterUnsat, 574 mSDtfsCounter, 70548 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 801 GetRequests, 74 SyntacticMatches, 2 SemanticMatches, 725 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1405 ImplicationChecksByTransitivity, 10.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1802occurred in iteration=28, InterpolantAutomatonStates: 528, 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, 0.7s SatisfiabilityAnalysisTime, 29.0s InterpolantComputationTime, 606 NumberOfCodeBlocks, 606 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 560 ConstructedInterpolants, 0 QuantifiedInterpolants, 10087 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 46 InterpolantComputations, 46 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! [2023-08-30 13:07:22,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE