./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --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-3_1-container_of-global.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.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 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-09-01 05:27:01,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 05:27:01,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 05:27:01,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 05:27:01,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 05:27:01,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 05:27:01,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 05:27:01,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 05:27:01,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 05:27:01,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 05:27:01,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 05:27:01,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 05:27:01,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 05:27:01,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 05:27:01,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 05:27:01,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 05:27:01,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 05:27:01,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 05:27:01,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 05:27:01,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 05:27:01,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 05:27:01,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 05:27:01,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 05:27:01,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 05:27:01,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 05:27:01,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 05:27:01,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 05:27:01,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 05:27:01,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 05:27:01,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 05:27:01,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 05:27:01,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 05:27:01,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 05:27:01,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 05:27:01,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 05:27:01,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 05:27:01,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 05:27:01,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 05:27:01,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 05:27:01,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 05:27:01,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 05:27:01,397 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-09-01 05:27:01,435 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 05:27:01,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 05:27:01,436 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 05:27:01,436 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 05:27:01,437 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 05:27:01,437 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 05:27:01,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 05:27:01,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 05:27:01,438 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 05:27:01,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 05:27:01,440 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 05:27:01,440 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-01 05:27:01,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-01 05:27:01,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 05:27:01,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 05:27:01,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-01 05:27:01,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 05:27:01,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-01 05:27:01,441 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-09-01 05:27:01,441 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 05:27:01,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-09-01 05:27:01,442 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 05:27:01,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-01 05:27:01,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 05:27:01,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 05:27:01,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 05:27:01,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:27:01,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 05:27:01,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 05:27:01,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-01 05:27:01,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-01 05:27:01,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-01 05:27:01,444 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 05:27:01,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-01 05:27:01,445 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 05:27:01,445 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 05:27:01,445 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 05:27:01,445 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 05:27:01,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 05:27:01,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 05:27:01,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 05:27:01,799 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 05:27:01,800 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 05:27:01,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2023-09-01 05:27:03,089 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 05:27:03,427 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 05:27:03,430 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2023-09-01 05:27:03,451 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb51e7aa0/ad321f8ae86248ff83da902a03aa3538/FLAG7c93a704e [2023-09-01 05:27:03,469 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb51e7aa0/ad321f8ae86248ff83da902a03aa3538 [2023-09-01 05:27:03,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 05:27:03,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 05:27:03,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 05:27:03,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 05:27:03,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 05:27:03,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:27:03" (1/1) ... [2023-09-01 05:27:03,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c631fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:03, skipping insertion in model container [2023-09-01 05:27:03,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:27:03" (1/1) ... [2023-09-01 05:27:03,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 05:27:03,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 05:27:04,138 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-3_1-container_of-global.i[76084,76097] [2023-09-01 05:27:04,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:27:04,215 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 05:27:04,264 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-3_1-container_of-global.i[76084,76097] [2023-09-01 05:27:04,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:27:04,403 INFO L208 MainTranslator]: Completed translation [2023-09-01 05:27:04,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:04 WrapperNode [2023-09-01 05:27:04,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 05:27:04,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 05:27:04,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 05:27:04,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 05:27:04,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:04" (1/1) ... [2023-09-01 05:27:04,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:04" (1/1) ... [2023-09-01 05:27:04,493 INFO L138 Inliner]: procedures = 482, calls = 46, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 135 [2023-09-01 05:27:04,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 05:27:04,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 05:27:04,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 05:27:04,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 05:27:04,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:04" (1/1) ... [2023-09-01 05:27:04,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:04" (1/1) ... [2023-09-01 05:27:04,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:04" (1/1) ... [2023-09-01 05:27:04,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:04" (1/1) ... [2023-09-01 05:27:04,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:04" (1/1) ... [2023-09-01 05:27:04,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:04" (1/1) ... [2023-09-01 05:27:04,526 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:04" (1/1) ... [2023-09-01 05:27:04,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:04" (1/1) ... [2023-09-01 05:27:04,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 05:27:04,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 05:27:04,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 05:27:04,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 05:27:04,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:04" (1/1) ... [2023-09-01 05:27:04,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:27:04,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 05:27:04,566 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) [2023-09-01 05:27:04,568 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 [2023-09-01 05:27:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 05:27:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-01 05:27:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-09-01 05:27:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 05:27:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-09-01 05:27:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 05:27:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 05:27:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-09-01 05:27:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-09-01 05:27:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 05:27:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-01 05:27:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-01 05:27:04,599 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-01 05:27:04,860 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 05:27:04,862 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 05:27:05,134 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 05:27:05,141 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 05:27:05,142 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-01 05:27:05,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:27:05 BoogieIcfgContainer [2023-09-01 05:27:05,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-01 05:27:05,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-01 05:27:05,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-09-01 05:27:05,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-09-01 05:27:05,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.09 05:27:03" (1/3) ... [2023-09-01 05:27:05,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c640237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:27:05, skipping insertion in model container [2023-09-01 05:27:05,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:04" (2/3) ... [2023-09-01 05:27:05,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c640237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:27:05, skipping insertion in model container [2023-09-01 05:27:05,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:27:05" (3/3) ... [2023-09-01 05:27:05,176 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2023-09-01 05:27:05,185 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-01 05:27:05,194 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-01 05:27:05,194 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-09-01 05:27:05,195 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-01 05:27:05,290 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-01 05:27:05,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 174 places, 176 transitions, 368 flow [2023-09-01 05:27:05,418 INFO L130 PetriNetUnfolder]: 10/212 cut-off events. [2023-09-01 05:27:05,418 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-09-01 05:27:05,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 212 events. 10/212 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 363 event pairs, 0 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 125. Up to 4 conditions per place. [2023-09-01 05:27:05,429 INFO L82 GeneralOperation]: Start removeDead. Operand has 174 places, 176 transitions, 368 flow [2023-09-01 05:27:05,433 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 149 places, 146 transitions, 301 flow [2023-09-01 05:27:05,439 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-09-01 05:27:05,460 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 146 transitions, 301 flow [2023-09-01 05:27:05,463 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 146 transitions, 301 flow [2023-09-01 05:27:05,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 149 places, 146 transitions, 301 flow [2023-09-01 05:27:05,518 INFO L130 PetriNetUnfolder]: 4/146 cut-off events. [2023-09-01 05:27:05,518 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-09-01 05:27:05,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 146 events. 4/146 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 167 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 84. Up to 2 conditions per place. [2023-09-01 05:27:05,523 INFO L119 LiptonReduction]: Number of co-enabled transitions 3740 [2023-09-01 05:27:13,246 INFO L134 LiptonReduction]: Checked pairs total: 7925 [2023-09-01 05:27:13,246 INFO L136 LiptonReduction]: Total number of compositions: 146 [2023-09-01 05:27:13,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-01 05:27:13,270 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;@48f4df65, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-09-01 05:27:13,271 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-09-01 05:27:13,279 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-09-01 05:27:13,280 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:27:13,280 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:13,281 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-09-01 05:27:13,282 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:13,286 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:13,286 INFO L85 PathProgramCache]: Analyzing trace with hash 551923569, now seen corresponding path program 1 times [2023-09-01 05:27:13,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:13,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404775295] [2023-09-01 05:27:13,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:13,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:14,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:14,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:14,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404775295] [2023-09-01 05:27:14,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404775295] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:14,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:14,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-01 05:27:14,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420036797] [2023-09-01 05:27:14,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:14,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-01 05:27:14,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:14,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-01 05:27:14,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-09-01 05:27:14,383 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 322 [2023-09-01 05:27:14,387 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 27 transitions, 63 flow. Second operand has 4 states, 4 states have (on average 149.25) internal successors, (597), 4 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:14,387 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:14,387 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 322 [2023-09-01 05:27:14,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:14,582 INFO L130 PetriNetUnfolder]: 175/349 cut-off events. [2023-09-01 05:27:14,583 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2023-09-01 05:27:14,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 719 conditions, 349 events. 175/349 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1528 event pairs, 108 based on Foata normal form. 0/274 useless extension candidates. Maximal degree in co-relation 624. Up to 301 conditions per place. [2023-09-01 05:27:14,589 INFO L137 encePairwiseOnDemand]: 314/322 looper letters, 29 selfloop transitions, 7 changer transitions 0/37 dead transitions. [2023-09-01 05:27:14,589 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 37 transitions, 158 flow [2023-09-01 05:27:14,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-01 05:27:14,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-09-01 05:27:14,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 779 transitions. [2023-09-01 05:27:14,611 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48385093167701865 [2023-09-01 05:27:14,612 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 779 transitions. [2023-09-01 05:27:14,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 779 transitions. [2023-09-01 05:27:14,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:14,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 779 transitions. [2023-09-01 05:27:14,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 155.8) internal successors, (779), 5 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:14,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:14,636 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:14,638 INFO L175 Difference]: Start difference. First operand has 33 places, 27 transitions, 63 flow. Second operand 5 states and 779 transitions. [2023-09-01 05:27:14,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 37 transitions, 158 flow [2023-09-01 05:27:14,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 37 transitions, 152 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-09-01 05:27:14,643 INFO L231 Difference]: Finished difference. Result has 34 places, 28 transitions, 100 flow [2023-09-01 05:27:14,645 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=100, PETRI_PLACES=34, PETRI_TRANSITIONS=28} [2023-09-01 05:27:14,648 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 1 predicate places. [2023-09-01 05:27:14,648 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 28 transitions, 100 flow [2023-09-01 05:27:14,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 149.25) internal successors, (597), 4 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:14,649 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:14,649 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-09-01 05:27:14,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-01 05:27:14,650 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:14,650 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:14,650 INFO L85 PathProgramCache]: Analyzing trace with hash 551923585, now seen corresponding path program 1 times [2023-09-01 05:27:14,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:14,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88325297] [2023-09-01 05:27:14,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:14,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:15,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:15,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:15,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88325297] [2023-09-01 05:27:15,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88325297] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:15,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:15,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-01 05:27:15,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869076292] [2023-09-01 05:27:15,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:15,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-01 05:27:15,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:15,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-01 05:27:15,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-09-01 05:27:15,104 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 322 [2023-09-01 05:27:15,105 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 28 transitions, 100 flow. Second operand has 4 states, 4 states have (on average 147.25) internal successors, (589), 4 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:15,105 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:15,105 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 322 [2023-09-01 05:27:15,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:15,248 INFO L130 PetriNetUnfolder]: 194/365 cut-off events. [2023-09-01 05:27:15,248 INFO L131 PetriNetUnfolder]: For 106/106 co-relation queries the response was YES. [2023-09-01 05:27:15,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 875 conditions, 365 events. 194/365 cut-off events. For 106/106 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1350 event pairs, 189 based on Foata normal form. 1/328 useless extension candidates. Maximal degree in co-relation 725. Up to 361 conditions per place. [2023-09-01 05:27:15,251 INFO L137 encePairwiseOnDemand]: 316/322 looper letters, 23 selfloop transitions, 7 changer transitions 0/30 dead transitions. [2023-09-01 05:27:15,252 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 30 transitions, 166 flow [2023-09-01 05:27:15,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-01 05:27:15,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-09-01 05:27:15,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 760 transitions. [2023-09-01 05:27:15,255 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4720496894409938 [2023-09-01 05:27:15,255 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 760 transitions. [2023-09-01 05:27:15,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 760 transitions. [2023-09-01 05:27:15,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:15,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 760 transitions. [2023-09-01 05:27:15,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 152.0) internal successors, (760), 5 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:15,261 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:15,262 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:15,262 INFO L175 Difference]: Start difference. First operand has 34 places, 28 transitions, 100 flow. Second operand 5 states and 760 transitions. [2023-09-01 05:27:15,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 30 transitions, 166 flow [2023-09-01 05:27:15,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 30 transitions, 159 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-09-01 05:27:15,265 INFO L231 Difference]: Finished difference. Result has 38 places, 29 transitions, 116 flow [2023-09-01 05:27:15,265 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=116, PETRI_PLACES=38, PETRI_TRANSITIONS=29} [2023-09-01 05:27:15,266 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 5 predicate places. [2023-09-01 05:27:15,266 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 29 transitions, 116 flow [2023-09-01 05:27:15,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 147.25) internal successors, (589), 4 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:15,267 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:15,267 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-09-01 05:27:15,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-01 05:27:15,268 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:15,268 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:15,268 INFO L85 PathProgramCache]: Analyzing trace with hash -70256754, now seen corresponding path program 1 times [2023-09-01 05:27:15,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:15,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502997371] [2023-09-01 05:27:15,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:15,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:15,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:15,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:15,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502997371] [2023-09-01 05:27:15,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502997371] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:15,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:15,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-01 05:27:15,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740815056] [2023-09-01 05:27:15,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:15,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-01 05:27:15,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:15,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-01 05:27:15,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-09-01 05:27:15,811 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 322 [2023-09-01 05:27:15,812 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 29 transitions, 116 flow. Second operand has 5 states, 5 states have (on average 146.2) internal successors, (731), 5 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:15,813 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:15,813 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 322 [2023-09-01 05:27:15,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:15,963 INFO L130 PetriNetUnfolder]: 215/401 cut-off events. [2023-09-01 05:27:15,964 INFO L131 PetriNetUnfolder]: For 136/136 co-relation queries the response was YES. [2023-09-01 05:27:15,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 974 conditions, 401 events. 215/401 cut-off events. For 136/136 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1550 event pairs, 129 based on Foata normal form. 10/373 useless extension candidates. Maximal degree in co-relation 760. Up to 355 conditions per place. [2023-09-01 05:27:15,967 INFO L137 encePairwiseOnDemand]: 314/322 looper letters, 33 selfloop transitions, 13 changer transitions 0/46 dead transitions. [2023-09-01 05:27:15,968 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 46 transitions, 256 flow [2023-09-01 05:27:15,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-01 05:27:15,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-09-01 05:27:15,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 769 transitions. [2023-09-01 05:27:15,970 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47763975155279503 [2023-09-01 05:27:15,970 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 769 transitions. [2023-09-01 05:27:15,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 769 transitions. [2023-09-01 05:27:15,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:15,971 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 769 transitions. [2023-09-01 05:27:15,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 153.8) internal successors, (769), 5 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:15,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:15,977 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:15,977 INFO L175 Difference]: Start difference. First operand has 38 places, 29 transitions, 116 flow. Second operand 5 states and 769 transitions. [2023-09-01 05:27:15,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 46 transitions, 256 flow [2023-09-01 05:27:15,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 46 transitions, 244 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-09-01 05:27:15,980 INFO L231 Difference]: Finished difference. Result has 41 places, 36 transitions, 176 flow [2023-09-01 05:27:15,981 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=176, PETRI_PLACES=41, PETRI_TRANSITIONS=36} [2023-09-01 05:27:15,982 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 8 predicate places. [2023-09-01 05:27:15,984 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 36 transitions, 176 flow [2023-09-01 05:27:15,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 146.2) internal successors, (731), 5 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:15,985 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:15,985 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-09-01 05:27:15,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-01 05:27:15,986 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:15,986 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:15,986 INFO L85 PathProgramCache]: Analyzing trace with hash -70236294, now seen corresponding path program 2 times [2023-09-01 05:27:15,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:15,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105730338] [2023-09-01 05:27:15,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:15,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:16,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:16,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105730338] [2023-09-01 05:27:16,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105730338] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:16,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:16,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-01 05:27:16,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773449864] [2023-09-01 05:27:16,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:16,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-01 05:27:16,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:16,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-01 05:27:16,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-09-01 05:27:16,464 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 322 [2023-09-01 05:27:16,465 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 36 transitions, 176 flow. Second operand has 5 states, 5 states have (on average 146.2) internal successors, (731), 5 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:16,465 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:16,465 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 322 [2023-09-01 05:27:16,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:16,602 INFO L130 PetriNetUnfolder]: 201/377 cut-off events. [2023-09-01 05:27:16,603 INFO L131 PetriNetUnfolder]: For 302/302 co-relation queries the response was YES. [2023-09-01 05:27:16,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1047 conditions, 377 events. 201/377 cut-off events. For 302/302 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1448 event pairs, 57 based on Foata normal form. 10/349 useless extension candidates. Maximal degree in co-relation 828. Up to 309 conditions per place. [2023-09-01 05:27:16,606 INFO L137 encePairwiseOnDemand]: 315/322 looper letters, 35 selfloop transitions, 14 changer transitions 0/49 dead transitions. [2023-09-01 05:27:16,606 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 49 transitions, 315 flow [2023-09-01 05:27:16,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-01 05:27:16,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-09-01 05:27:16,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 768 transitions. [2023-09-01 05:27:16,609 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47701863354037266 [2023-09-01 05:27:16,610 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 768 transitions. [2023-09-01 05:27:16,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 768 transitions. [2023-09-01 05:27:16,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:16,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 768 transitions. [2023-09-01 05:27:16,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 153.6) internal successors, (768), 5 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:16,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:16,617 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:16,617 INFO L175 Difference]: Start difference. First operand has 41 places, 36 transitions, 176 flow. Second operand 5 states and 768 transitions. [2023-09-01 05:27:16,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 49 transitions, 315 flow [2023-09-01 05:27:16,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 49 transitions, 309 flow, removed 3 selfloop flow, removed 0 redundant places. [2023-09-01 05:27:16,621 INFO L231 Difference]: Finished difference. Result has 46 places, 39 transitions, 229 flow [2023-09-01 05:27:16,621 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=229, PETRI_PLACES=46, PETRI_TRANSITIONS=39} [2023-09-01 05:27:16,622 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 13 predicate places. [2023-09-01 05:27:16,622 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 229 flow [2023-09-01 05:27:16,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 146.2) internal successors, (731), 5 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:16,623 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:16,623 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:16,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-01 05:27:16,623 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:16,624 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:16,624 INFO L85 PathProgramCache]: Analyzing trace with hash 2113345447, now seen corresponding path program 1 times [2023-09-01 05:27:16,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:16,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862838315] [2023-09-01 05:27:16,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:16,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:17,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:17,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:17,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862838315] [2023-09-01 05:27:17,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862838315] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:17,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:17,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-01 05:27:17,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035223113] [2023-09-01 05:27:17,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:17,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-01 05:27:17,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:17,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-01 05:27:17,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-09-01 05:27:17,131 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 322 [2023-09-01 05:27:17,132 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 229 flow. Second operand has 5 states, 5 states have (on average 146.4) internal successors, (732), 5 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:17,132 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:17,132 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 322 [2023-09-01 05:27:17,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:17,252 INFO L130 PetriNetUnfolder]: 189/357 cut-off events. [2023-09-01 05:27:17,252 INFO L131 PetriNetUnfolder]: For 447/447 co-relation queries the response was YES. [2023-09-01 05:27:17,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1077 conditions, 357 events. 189/357 cut-off events. For 447/447 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1322 event pairs, 72 based on Foata normal form. 0/327 useless extension candidates. Maximal degree in co-relation 775. Up to 315 conditions per place. [2023-09-01 05:27:17,255 INFO L137 encePairwiseOnDemand]: 315/322 looper letters, 39 selfloop transitions, 12 changer transitions 0/51 dead transitions. [2023-09-01 05:27:17,255 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 51 transitions, 384 flow [2023-09-01 05:27:17,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-01 05:27:17,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-09-01 05:27:17,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 764 transitions. [2023-09-01 05:27:17,258 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4745341614906832 [2023-09-01 05:27:17,258 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 764 transitions. [2023-09-01 05:27:17,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 764 transitions. [2023-09-01 05:27:17,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:17,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 764 transitions. [2023-09-01 05:27:17,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 152.8) internal successors, (764), 5 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:17,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:17,263 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:17,264 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 229 flow. Second operand 5 states and 764 transitions. [2023-09-01 05:27:17,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 51 transitions, 384 flow [2023-09-01 05:27:17,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 51 transitions, 369 flow, removed 3 selfloop flow, removed 1 redundant places. [2023-09-01 05:27:17,267 INFO L231 Difference]: Finished difference. Result has 51 places, 44 transitions, 286 flow [2023-09-01 05:27:17,267 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=286, PETRI_PLACES=51, PETRI_TRANSITIONS=44} [2023-09-01 05:27:17,268 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 18 predicate places. [2023-09-01 05:27:17,268 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 44 transitions, 286 flow [2023-09-01 05:27:17,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 146.4) internal successors, (732), 5 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:17,269 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:17,269 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:17,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-01 05:27:17,269 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:17,270 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:17,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1417365804, now seen corresponding path program 1 times [2023-09-01 05:27:17,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:17,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84090721] [2023-09-01 05:27:17,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:17,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:17,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:17,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:17,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84090721] [2023-09-01 05:27:17,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84090721] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:17,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:17,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-01 05:27:17,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537802195] [2023-09-01 05:27:17,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:17,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-09-01 05:27:17,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:17,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-09-01 05:27:17,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-09-01 05:27:18,151 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 322 [2023-09-01 05:27:18,153 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 44 transitions, 286 flow. Second operand has 8 states, 8 states have (on average 142.125) internal successors, (1137), 8 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:18,153 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:18,153 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 322 [2023-09-01 05:27:18,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:18,428 INFO L130 PetriNetUnfolder]: 213/397 cut-off events. [2023-09-01 05:27:18,429 INFO L131 PetriNetUnfolder]: For 471/471 co-relation queries the response was YES. [2023-09-01 05:27:18,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1263 conditions, 397 events. 213/397 cut-off events. For 471/471 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1543 event pairs, 46 based on Foata normal form. 12/394 useless extension candidates. Maximal degree in co-relation 967. Up to 301 conditions per place. [2023-09-01 05:27:18,432 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 41 selfloop transitions, 21 changer transitions 0/62 dead transitions. [2023-09-01 05:27:18,433 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 62 transitions, 487 flow [2023-09-01 05:27:18,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-01 05:27:18,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-09-01 05:27:18,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 897 transitions. [2023-09-01 05:27:18,436 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4642857142857143 [2023-09-01 05:27:18,436 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 897 transitions. [2023-09-01 05:27:18,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 897 transitions. [2023-09-01 05:27:18,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:18,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 897 transitions. [2023-09-01 05:27:18,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 149.5) internal successors, (897), 6 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:18,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:18,443 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:18,443 INFO L175 Difference]: Start difference. First operand has 51 places, 44 transitions, 286 flow. Second operand 6 states and 897 transitions. [2023-09-01 05:27:18,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 62 transitions, 487 flow [2023-09-01 05:27:18,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 62 transitions, 473 flow, removed 3 selfloop flow, removed 1 redundant places. [2023-09-01 05:27:18,447 INFO L231 Difference]: Finished difference. Result has 57 places, 51 transitions, 394 flow [2023-09-01 05:27:18,448 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=394, PETRI_PLACES=57, PETRI_TRANSITIONS=51} [2023-09-01 05:27:18,448 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 24 predicate places. [2023-09-01 05:27:18,449 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 51 transitions, 394 flow [2023-09-01 05:27:18,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 142.125) internal successors, (1137), 8 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:18,449 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:18,450 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:18,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-09-01 05:27:18,450 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:18,450 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:18,451 INFO L85 PathProgramCache]: Analyzing trace with hash -589926819, now seen corresponding path program 1 times [2023-09-01 05:27:18,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:18,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466853342] [2023-09-01 05:27:18,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:18,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:18,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:18,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:18,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466853342] [2023-09-01 05:27:18,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466853342] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:18,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:18,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-01 05:27:18,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442153150] [2023-09-01 05:27:18,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:18,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 05:27:18,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:18,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 05:27:18,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-01 05:27:18,740 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 322 [2023-09-01 05:27:18,741 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 51 transitions, 394 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:18,741 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:18,741 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 322 [2023-09-01 05:27:18,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:18,863 INFO L130 PetriNetUnfolder]: 210/424 cut-off events. [2023-09-01 05:27:18,864 INFO L131 PetriNetUnfolder]: For 829/829 co-relation queries the response was YES. [2023-09-01 05:27:18,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1462 conditions, 424 events. 210/424 cut-off events. For 829/829 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1829 event pairs, 52 based on Foata normal form. 8/412 useless extension candidates. Maximal degree in co-relation 1154. Up to 233 conditions per place. [2023-09-01 05:27:18,867 INFO L137 encePairwiseOnDemand]: 318/322 looper letters, 51 selfloop transitions, 5 changer transitions 4/68 dead transitions. [2023-09-01 05:27:18,868 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 68 transitions, 605 flow [2023-09-01 05:27:18,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-01 05:27:18,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-09-01 05:27:18,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 493 transitions. [2023-09-01 05:27:18,870 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.510351966873706 [2023-09-01 05:27:18,870 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 493 transitions. [2023-09-01 05:27:18,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 493 transitions. [2023-09-01 05:27:18,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:18,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 493 transitions. [2023-09-01 05:27:18,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:18,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:18,874 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:18,874 INFO L175 Difference]: Start difference. First operand has 57 places, 51 transitions, 394 flow. Second operand 3 states and 493 transitions. [2023-09-01 05:27:18,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 68 transitions, 605 flow [2023-09-01 05:27:18,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 68 transitions, 565 flow, removed 6 selfloop flow, removed 3 redundant places. [2023-09-01 05:27:18,879 INFO L231 Difference]: Finished difference. Result has 57 places, 52 transitions, 379 flow [2023-09-01 05:27:18,879 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=379, PETRI_PLACES=57, PETRI_TRANSITIONS=52} [2023-09-01 05:27:18,880 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 24 predicate places. [2023-09-01 05:27:18,880 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 52 transitions, 379 flow [2023-09-01 05:27:18,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:18,880 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:18,881 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:18,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-09-01 05:27:18,881 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:18,881 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:18,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1161114935, now seen corresponding path program 2 times [2023-09-01 05:27:18,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:18,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887459968] [2023-09-01 05:27:18,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:18,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:19,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:19,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887459968] [2023-09-01 05:27:19,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887459968] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:19,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:19,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-01 05:27:19,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047660083] [2023-09-01 05:27:19,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:19,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 05:27:19,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:19,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 05:27:19,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-01 05:27:19,136 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 322 [2023-09-01 05:27:19,137 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 52 transitions, 379 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:19,137 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:19,138 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 322 [2023-09-01 05:27:19,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:19,210 INFO L130 PetriNetUnfolder]: 57/147 cut-off events. [2023-09-01 05:27:19,210 INFO L131 PetriNetUnfolder]: For 391/391 co-relation queries the response was YES. [2023-09-01 05:27:19,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 547 conditions, 147 events. 57/147 cut-off events. For 391/391 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 515 event pairs, 33 based on Foata normal form. 14/153 useless extension candidates. Maximal degree in co-relation 457. Up to 84 conditions per place. [2023-09-01 05:27:19,211 INFO L137 encePairwiseOnDemand]: 319/322 looper letters, 31 selfloop transitions, 4 changer transitions 2/39 dead transitions. [2023-09-01 05:27:19,211 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 39 transitions, 340 flow [2023-09-01 05:27:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-01 05:27:19,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-09-01 05:27:19,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 481 transitions. [2023-09-01 05:27:19,213 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4979296066252588 [2023-09-01 05:27:19,213 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 481 transitions. [2023-09-01 05:27:19,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 481 transitions. [2023-09-01 05:27:19,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:19,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 481 transitions. [2023-09-01 05:27:19,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:19,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:19,217 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:19,217 INFO L175 Difference]: Start difference. First operand has 57 places, 52 transitions, 379 flow. Second operand 3 states and 481 transitions. [2023-09-01 05:27:19,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 39 transitions, 340 flow [2023-09-01 05:27:19,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 39 transitions, 307 flow, removed 10 selfloop flow, removed 5 redundant places. [2023-09-01 05:27:19,220 INFO L231 Difference]: Finished difference. Result has 54 places, 34 transitions, 229 flow [2023-09-01 05:27:19,220 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=229, PETRI_PLACES=54, PETRI_TRANSITIONS=34} [2023-09-01 05:27:19,221 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 21 predicate places. [2023-09-01 05:27:19,221 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 34 transitions, 229 flow [2023-09-01 05:27:19,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:19,222 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:19,222 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:19,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-09-01 05:27:19,222 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:19,222 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:19,223 INFO L85 PathProgramCache]: Analyzing trace with hash 474078808, now seen corresponding path program 1 times [2023-09-01 05:27:19,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:19,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3401322] [2023-09-01 05:27:19,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:19,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:19,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:19,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:19,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3401322] [2023-09-01 05:27:19,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3401322] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:19,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:19,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-01 05:27:19,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484410755] [2023-09-01 05:27:19,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:19,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-01 05:27:19,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:19,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-01 05:27:19,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-09-01 05:27:19,908 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 322 [2023-09-01 05:27:19,909 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 34 transitions, 229 flow. Second operand has 7 states, 7 states have (on average 144.57142857142858) internal successors, (1012), 7 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:19,910 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:19,910 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 322 [2023-09-01 05:27:19,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:20,082 INFO L130 PetriNetUnfolder]: 56/156 cut-off events. [2023-09-01 05:27:20,082 INFO L131 PetriNetUnfolder]: For 296/296 co-relation queries the response was YES. [2023-09-01 05:27:20,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 538 conditions, 156 events. 56/156 cut-off events. For 296/296 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 584 event pairs, 11 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 383. Up to 73 conditions per place. [2023-09-01 05:27:20,084 INFO L137 encePairwiseOnDemand]: 312/322 looper letters, 33 selfloop transitions, 20 changer transitions 2/57 dead transitions. [2023-09-01 05:27:20,084 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 57 transitions, 412 flow [2023-09-01 05:27:20,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-01 05:27:20,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-09-01 05:27:20,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1337 transitions. [2023-09-01 05:27:20,087 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4613526570048309 [2023-09-01 05:27:20,087 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1337 transitions. [2023-09-01 05:27:20,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1337 transitions. [2023-09-01 05:27:20,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:20,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1337 transitions. [2023-09-01 05:27:20,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 148.55555555555554) internal successors, (1337), 9 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:20,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:20,098 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:20,098 INFO L175 Difference]: Start difference. First operand has 54 places, 34 transitions, 229 flow. Second operand 9 states and 1337 transitions. [2023-09-01 05:27:20,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 57 transitions, 412 flow [2023-09-01 05:27:20,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 57 transitions, 392 flow, removed 2 selfloop flow, removed 3 redundant places. [2023-09-01 05:27:20,101 INFO L231 Difference]: Finished difference. Result has 62 places, 41 transitions, 311 flow [2023-09-01 05:27:20,102 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=311, PETRI_PLACES=62, PETRI_TRANSITIONS=41} [2023-09-01 05:27:20,103 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 29 predicate places. [2023-09-01 05:27:20,103 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 41 transitions, 311 flow [2023-09-01 05:27:20,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 144.57142857142858) internal successors, (1012), 7 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:20,104 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:20,104 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:20,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-09-01 05:27:20,104 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:20,104 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:20,104 INFO L85 PathProgramCache]: Analyzing trace with hash -499084517, now seen corresponding path program 1 times [2023-09-01 05:27:20,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:20,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440316897] [2023-09-01 05:27:20,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:20,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:20,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:20,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:20,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440316897] [2023-09-01 05:27:20,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440316897] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:20,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:20,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-09-01 05:27:20,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233030613] [2023-09-01 05:27:20,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:20,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-09-01 05:27:20,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:20,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-09-01 05:27:20,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-09-01 05:27:21,307 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 322 [2023-09-01 05:27:21,310 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 41 transitions, 311 flow. Second operand has 11 states, 11 states have (on average 138.0909090909091) internal successors, (1519), 11 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:21,310 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:21,310 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 322 [2023-09-01 05:27:21,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:21,616 INFO L130 PetriNetUnfolder]: 60/162 cut-off events. [2023-09-01 05:27:21,617 INFO L131 PetriNetUnfolder]: For 361/361 co-relation queries the response was YES. [2023-09-01 05:27:21,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 617 conditions, 162 events. 60/162 cut-off events. For 361/361 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 580 event pairs, 9 based on Foata normal form. 3/165 useless extension candidates. Maximal degree in co-relation 483. Up to 77 conditions per place. [2023-09-01 05:27:21,618 INFO L137 encePairwiseOnDemand]: 310/322 looper letters, 41 selfloop transitions, 20 changer transitions 3/64 dead transitions. [2023-09-01 05:27:21,618 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 64 transitions, 502 flow [2023-09-01 05:27:21,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-01 05:27:21,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-09-01 05:27:21,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1565 transitions. [2023-09-01 05:27:21,623 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4418407679277245 [2023-09-01 05:27:21,623 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1565 transitions. [2023-09-01 05:27:21,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1565 transitions. [2023-09-01 05:27:21,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:21,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1565 transitions. [2023-09-01 05:27:21,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 142.27272727272728) internal successors, (1565), 11 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:21,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:21,633 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:21,633 INFO L175 Difference]: Start difference. First operand has 62 places, 41 transitions, 311 flow. Second operand 11 states and 1565 transitions. [2023-09-01 05:27:21,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 64 transitions, 502 flow [2023-09-01 05:27:21,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 64 transitions, 478 flow, removed 3 selfloop flow, removed 3 redundant places. [2023-09-01 05:27:21,636 INFO L231 Difference]: Finished difference. Result has 70 places, 41 transitions, 330 flow [2023-09-01 05:27:21,636 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=330, PETRI_PLACES=70, PETRI_TRANSITIONS=41} [2023-09-01 05:27:21,637 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 37 predicate places. [2023-09-01 05:27:21,637 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 41 transitions, 330 flow [2023-09-01 05:27:21,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 138.0909090909091) internal successors, (1519), 11 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:21,638 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:21,638 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:21,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-09-01 05:27:21,638 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:21,639 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:21,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1389661617, now seen corresponding path program 2 times [2023-09-01 05:27:21,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:21,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869337017] [2023-09-01 05:27:21,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:21,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:22,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:22,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:22,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869337017] [2023-09-01 05:27:22,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869337017] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:22,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:22,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-09-01 05:27:22,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080671358] [2023-09-01 05:27:22,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:22,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-09-01 05:27:22,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:22,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-09-01 05:27:22,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-09-01 05:27:22,773 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 322 [2023-09-01 05:27:22,775 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 41 transitions, 330 flow. Second operand has 11 states, 11 states have (on average 138.0909090909091) internal successors, (1519), 11 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:22,775 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:22,775 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 322 [2023-09-01 05:27:22,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:23,009 INFO L130 PetriNetUnfolder]: 57/152 cut-off events. [2023-09-01 05:27:23,010 INFO L131 PetriNetUnfolder]: For 379/379 co-relation queries the response was YES. [2023-09-01 05:27:23,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 152 events. 57/152 cut-off events. For 379/379 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 521 event pairs, 4 based on Foata normal form. 3/155 useless extension candidates. Maximal degree in co-relation 541. Up to 42 conditions per place. [2023-09-01 05:27:23,011 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 36 selfloop transitions, 22 changer transitions 2/60 dead transitions. [2023-09-01 05:27:23,011 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 60 transitions, 515 flow [2023-09-01 05:27:23,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-01 05:27:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-09-01 05:27:23,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1558 transitions. [2023-09-01 05:27:23,016 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4398644833427442 [2023-09-01 05:27:23,016 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1558 transitions. [2023-09-01 05:27:23,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1558 transitions. [2023-09-01 05:27:23,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:23,017 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1558 transitions. [2023-09-01 05:27:23,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 141.63636363636363) internal successors, (1558), 11 states have internal predecessors, (1558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:23,025 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:23,026 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:23,026 INFO L175 Difference]: Start difference. First operand has 70 places, 41 transitions, 330 flow. Second operand 11 states and 1558 transitions. [2023-09-01 05:27:23,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 60 transitions, 515 flow [2023-09-01 05:27:23,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 60 transitions, 461 flow, removed 7 selfloop flow, removed 10 redundant places. [2023-09-01 05:27:23,030 INFO L231 Difference]: Finished difference. Result has 73 places, 43 transitions, 366 flow [2023-09-01 05:27:23,030 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=366, PETRI_PLACES=73, PETRI_TRANSITIONS=43} [2023-09-01 05:27:23,031 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 40 predicate places. [2023-09-01 05:27:23,031 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 43 transitions, 366 flow [2023-09-01 05:27:23,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 138.0909090909091) internal successors, (1519), 11 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:23,032 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:23,032 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:23,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-09-01 05:27:23,032 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:23,032 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:23,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1389661700, now seen corresponding path program 2 times [2023-09-01 05:27:23,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:23,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121215244] [2023-09-01 05:27:23,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:23,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:23,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:23,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:23,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121215244] [2023-09-01 05:27:23,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121215244] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:23,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:23,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-09-01 05:27:23,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914139257] [2023-09-01 05:27:23,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:23,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-09-01 05:27:23,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:23,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-09-01 05:27:23,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-09-01 05:27:23,949 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 322 [2023-09-01 05:27:23,950 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 43 transitions, 366 flow. Second operand has 11 states, 11 states have (on average 137.0909090909091) internal successors, (1508), 11 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:23,951 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:23,951 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 322 [2023-09-01 05:27:23,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:24,207 INFO L130 PetriNetUnfolder]: 55/145 cut-off events. [2023-09-01 05:27:24,207 INFO L131 PetriNetUnfolder]: For 400/400 co-relation queries the response was YES. [2023-09-01 05:27:24,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 145 events. 55/145 cut-off events. For 400/400 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 477 event pairs, 9 based on Foata normal form. 3/148 useless extension candidates. Maximal degree in co-relation 553. Up to 33 conditions per place. [2023-09-01 05:27:24,208 INFO L137 encePairwiseOnDemand]: 312/322 looper letters, 33 selfloop transitions, 21 changer transitions 2/56 dead transitions. [2023-09-01 05:27:24,208 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 56 transitions, 501 flow [2023-09-01 05:27:24,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-01 05:27:24,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-09-01 05:27:24,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1406 transitions. [2023-09-01 05:27:24,212 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4366459627329193 [2023-09-01 05:27:24,212 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1406 transitions. [2023-09-01 05:27:24,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1406 transitions. [2023-09-01 05:27:24,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:24,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1406 transitions. [2023-09-01 05:27:24,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 140.6) internal successors, (1406), 10 states have internal predecessors, (1406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:24,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:24,234 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:24,235 INFO L175 Difference]: Start difference. First operand has 73 places, 43 transitions, 366 flow. Second operand 10 states and 1406 transitions. [2023-09-01 05:27:24,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 56 transitions, 501 flow [2023-09-01 05:27:24,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 56 transitions, 458 flow, removed 3 selfloop flow, removed 9 redundant places. [2023-09-01 05:27:24,242 INFO L231 Difference]: Finished difference. Result has 73 places, 41 transitions, 347 flow [2023-09-01 05:27:24,243 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=305, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=347, PETRI_PLACES=73, PETRI_TRANSITIONS=41} [2023-09-01 05:27:24,243 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 40 predicate places. [2023-09-01 05:27:24,244 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 41 transitions, 347 flow [2023-09-01 05:27:24,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 137.0909090909091) internal successors, (1508), 11 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:24,245 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:24,245 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:24,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-09-01 05:27:24,245 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:24,246 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:24,246 INFO L85 PathProgramCache]: Analyzing trace with hash 443885985, now seen corresponding path program 1 times [2023-09-01 05:27:24,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:24,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805053620] [2023-09-01 05:27:24,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:24,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:24,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:24,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:24,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805053620] [2023-09-01 05:27:24,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805053620] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:24,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:24,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-09-01 05:27:24,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742934540] [2023-09-01 05:27:24,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:24,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-09-01 05:27:24,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:24,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-09-01 05:27:24,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-09-01 05:27:25,281 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 322 [2023-09-01 05:27:25,283 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 41 transitions, 347 flow. Second operand has 11 states, 11 states have (on average 138.0909090909091) internal successors, (1519), 11 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:25,283 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:25,283 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 322 [2023-09-01 05:27:25,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:25,600 INFO L130 PetriNetUnfolder]: 54/142 cut-off events. [2023-09-01 05:27:25,600 INFO L131 PetriNetUnfolder]: For 374/374 co-relation queries the response was YES. [2023-09-01 05:27:25,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 142 events. 54/142 cut-off events. For 374/374 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 460 event pairs, 18 based on Foata normal form. 2/144 useless extension candidates. Maximal degree in co-relation 488. Up to 93 conditions per place. [2023-09-01 05:27:25,601 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 36 selfloop transitions, 17 changer transitions 1/54 dead transitions. [2023-09-01 05:27:25,601 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 54 transitions, 485 flow [2023-09-01 05:27:25,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-01 05:27:25,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-09-01 05:27:25,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1552 transitions. [2023-09-01 05:27:25,606 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43817052512704685 [2023-09-01 05:27:25,607 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1552 transitions. [2023-09-01 05:27:25,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1552 transitions. [2023-09-01 05:27:25,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:25,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1552 transitions. [2023-09-01 05:27:25,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 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) [2023-09-01 05:27:25,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:25,617 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:25,617 INFO L175 Difference]: Start difference. First operand has 73 places, 41 transitions, 347 flow. Second operand 11 states and 1552 transitions. [2023-09-01 05:27:25,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 54 transitions, 485 flow [2023-09-01 05:27:25,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 54 transitions, 444 flow, removed 1 selfloop flow, removed 8 redundant places. [2023-09-01 05:27:25,620 INFO L231 Difference]: Finished difference. Result has 72 places, 40 transitions, 334 flow [2023-09-01 05:27:25,621 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=334, PETRI_PLACES=72, PETRI_TRANSITIONS=40} [2023-09-01 05:27:25,622 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 39 predicate places. [2023-09-01 05:27:25,622 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 40 transitions, 334 flow [2023-09-01 05:27:25,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 138.0909090909091) internal successors, (1519), 11 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:25,622 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:25,622 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:25,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-09-01 05:27:25,623 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:25,623 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:25,623 INFO L85 PathProgramCache]: Analyzing trace with hash 443885969, now seen corresponding path program 1 times [2023-09-01 05:27:25,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:25,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219934844] [2023-09-01 05:27:25,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:25,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:26,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:26,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:26,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219934844] [2023-09-01 05:27:26,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219934844] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:26,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:26,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-09-01 05:27:26,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636890580] [2023-09-01 05:27:26,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:26,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-09-01 05:27:26,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:26,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-09-01 05:27:26,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-09-01 05:27:26,336 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 322 [2023-09-01 05:27:26,337 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 40 transitions, 334 flow. Second operand has 9 states, 9 states have (on average 138.33333333333334) internal successors, (1245), 9 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:26,337 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:26,337 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 322 [2023-09-01 05:27:26,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:26,517 INFO L130 PetriNetUnfolder]: 47/131 cut-off events. [2023-09-01 05:27:26,518 INFO L131 PetriNetUnfolder]: For 360/360 co-relation queries the response was YES. [2023-09-01 05:27:26,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 131 events. 47/131 cut-off events. For 360/360 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 424 event pairs, 17 based on Foata normal form. 2/133 useless extension candidates. Maximal degree in co-relation 434. Up to 68 conditions per place. [2023-09-01 05:27:26,519 INFO L137 encePairwiseOnDemand]: 313/322 looper letters, 36 selfloop transitions, 7 changer transitions 11/54 dead transitions. [2023-09-01 05:27:26,519 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 54 transitions, 489 flow [2023-09-01 05:27:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-01 05:27:26,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-09-01 05:27:26,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1134 transitions. [2023-09-01 05:27:26,522 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44021739130434784 [2023-09-01 05:27:26,522 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1134 transitions. [2023-09-01 05:27:26,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1134 transitions. [2023-09-01 05:27:26,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:26,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1134 transitions. [2023-09-01 05:27:26,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 141.75) internal successors, (1134), 8 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:26,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 322.0) internal successors, (2898), 9 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:26,529 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 322.0) internal successors, (2898), 9 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:26,529 INFO L175 Difference]: Start difference. First operand has 72 places, 40 transitions, 334 flow. Second operand 8 states and 1134 transitions. [2023-09-01 05:27:26,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 54 transitions, 489 flow [2023-09-01 05:27:26,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 54 transitions, 426 flow, removed 2 selfloop flow, removed 13 redundant places. [2023-09-01 05:27:26,532 INFO L231 Difference]: Finished difference. Result has 66 places, 35 transitions, 277 flow [2023-09-01 05:27:26,532 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=277, PETRI_PLACES=66, PETRI_TRANSITIONS=35} [2023-09-01 05:27:26,533 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 33 predicate places. [2023-09-01 05:27:26,533 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 35 transitions, 277 flow [2023-09-01 05:27:26,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 138.33333333333334) internal successors, (1245), 9 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:26,534 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:26,534 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:26,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-09-01 05:27:26,534 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:26,535 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:26,535 INFO L85 PathProgramCache]: Analyzing trace with hash -557141212, now seen corresponding path program 1 times [2023-09-01 05:27:26,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:26,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321929303] [2023-09-01 05:27:26,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:26,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:27,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:27,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:27,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321929303] [2023-09-01 05:27:27,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321929303] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:27,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:27,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:27:27,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179570113] [2023-09-01 05:27:27,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:27,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:27:27,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:27,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:27:27,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:27:28,242 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-09-01 05:27:28,243 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 35 transitions, 277 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 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) [2023-09-01 05:27:28,243 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:28,244 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-09-01 05:27:28,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:28,593 INFO L130 PetriNetUnfolder]: 46/141 cut-off events. [2023-09-01 05:27:28,593 INFO L131 PetriNetUnfolder]: For 366/366 co-relation queries the response was YES. [2023-09-01 05:27:28,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 605 conditions, 141 events. 46/141 cut-off events. For 366/366 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 489 event pairs, 15 based on Foata normal form. 4/145 useless extension candidates. Maximal degree in co-relation 513. Up to 69 conditions per place. [2023-09-01 05:27:28,594 INFO L137 encePairwiseOnDemand]: 313/322 looper letters, 41 selfloop transitions, 18 changer transitions 0/59 dead transitions. [2023-09-01 05:27:28,594 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 59 transitions, 537 flow [2023-09-01 05:27:28,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-01 05:27:28,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-09-01 05:27:28,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1331 transitions. [2023-09-01 05:27:28,600 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41335403726708075 [2023-09-01 05:27:28,600 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1331 transitions. [2023-09-01 05:27:28,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1331 transitions. [2023-09-01 05:27:28,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:28,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1331 transitions. [2023-09-01 05:27:28,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 133.1) internal successors, (1331), 10 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:28,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:28,610 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:28,610 INFO L175 Difference]: Start difference. First operand has 66 places, 35 transitions, 277 flow. Second operand 10 states and 1331 transitions. [2023-09-01 05:27:28,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 59 transitions, 537 flow [2023-09-01 05:27:28,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 59 transitions, 494 flow, removed 6 selfloop flow, removed 6 redundant places. [2023-09-01 05:27:28,613 INFO L231 Difference]: Finished difference. Result has 64 places, 44 transitions, 387 flow [2023-09-01 05:27:28,613 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=387, PETRI_PLACES=64, PETRI_TRANSITIONS=44} [2023-09-01 05:27:28,614 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 31 predicate places. [2023-09-01 05:27:28,614 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 44 transitions, 387 flow [2023-09-01 05:27:28,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 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) [2023-09-01 05:27:28,615 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:28,615 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:28,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-09-01 05:27:28,615 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:28,615 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:28,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1624372688, now seen corresponding path program 2 times [2023-09-01 05:27:28,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:28,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965170355] [2023-09-01 05:27:28,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:28,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:29,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:29,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:29,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965170355] [2023-09-01 05:27:29,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965170355] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:29,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:29,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:27:29,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737754001] [2023-09-01 05:27:29,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:29,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:27:29,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:29,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:27:29,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:27:30,137 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-09-01 05:27:30,139 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 44 transitions, 387 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 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) [2023-09-01 05:27:30,139 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:30,139 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-09-01 05:27:30,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:30,433 INFO L130 PetriNetUnfolder]: 52/169 cut-off events. [2023-09-01 05:27:30,434 INFO L131 PetriNetUnfolder]: For 521/521 co-relation queries the response was YES. [2023-09-01 05:27:30,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 766 conditions, 169 events. 52/169 cut-off events. For 521/521 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 679 event pairs, 19 based on Foata normal form. 4/173 useless extension candidates. Maximal degree in co-relation 628. Up to 116 conditions per place. [2023-09-01 05:27:30,435 INFO L137 encePairwiseOnDemand]: 313/322 looper letters, 50 selfloop transitions, 15 changer transitions 0/65 dead transitions. [2023-09-01 05:27:30,435 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 65 transitions, 665 flow [2023-09-01 05:27:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-01 05:27:30,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-09-01 05:27:30,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1327 transitions. [2023-09-01 05:27:30,438 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.412111801242236 [2023-09-01 05:27:30,438 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1327 transitions. [2023-09-01 05:27:30,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1327 transitions. [2023-09-01 05:27:30,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:30,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1327 transitions. [2023-09-01 05:27:30,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 132.7) internal successors, (1327), 10 states have internal predecessors, (1327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:30,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:30,444 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:30,445 INFO L175 Difference]: Start difference. First operand has 64 places, 44 transitions, 387 flow. Second operand 10 states and 1327 transitions. [2023-09-01 05:27:30,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 65 transitions, 665 flow [2023-09-01 05:27:30,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 65 transitions, 650 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-09-01 05:27:30,448 INFO L231 Difference]: Finished difference. Result has 78 places, 54 transitions, 543 flow [2023-09-01 05:27:30,449 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=543, PETRI_PLACES=78, PETRI_TRANSITIONS=54} [2023-09-01 05:27:30,449 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 45 predicate places. [2023-09-01 05:27:30,449 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 54 transitions, 543 flow [2023-09-01 05:27:30,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 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) [2023-09-01 05:27:30,450 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:30,450 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:30,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-09-01 05:27:30,450 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:30,451 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:30,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1199425478, now seen corresponding path program 3 times [2023-09-01 05:27:30,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:30,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564732691] [2023-09-01 05:27:30,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:30,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:31,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:31,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:31,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564732691] [2023-09-01 05:27:31,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564732691] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:31,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:31,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:27:31,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376447843] [2023-09-01 05:27:31,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:31,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:27:31,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:31,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:27:31,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:27:31,987 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-09-01 05:27:31,988 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 54 transitions, 543 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 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) [2023-09-01 05:27:31,988 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:31,988 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-09-01 05:27:31,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:32,320 INFO L130 PetriNetUnfolder]: 58/194 cut-off events. [2023-09-01 05:27:32,321 INFO L131 PetriNetUnfolder]: For 822/822 co-relation queries the response was YES. [2023-09-01 05:27:32,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 969 conditions, 194 events. 58/194 cut-off events. For 822/822 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 838 event pairs, 23 based on Foata normal form. 4/198 useless extension candidates. Maximal degree in co-relation 814. Up to 108 conditions per place. [2023-09-01 05:27:32,322 INFO L137 encePairwiseOnDemand]: 313/322 looper letters, 49 selfloop transitions, 24 changer transitions 0/73 dead transitions. [2023-09-01 05:27:32,323 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 73 transitions, 827 flow [2023-09-01 05:27:32,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-01 05:27:32,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-09-01 05:27:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1330 transitions. [2023-09-01 05:27:32,325 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41304347826086957 [2023-09-01 05:27:32,325 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1330 transitions. [2023-09-01 05:27:32,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1330 transitions. [2023-09-01 05:27:32,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:32,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1330 transitions. [2023-09-01 05:27:32,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 133.0) internal successors, (1330), 10 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:32,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:32,332 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:32,332 INFO L175 Difference]: Start difference. First operand has 78 places, 54 transitions, 543 flow. Second operand 10 states and 1330 transitions. [2023-09-01 05:27:32,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 73 transitions, 827 flow [2023-09-01 05:27:32,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 73 transitions, 811 flow, removed 8 selfloop flow, removed 0 redundant places. [2023-09-01 05:27:32,337 INFO L231 Difference]: Finished difference. Result has 92 places, 61 transitions, 702 flow [2023-09-01 05:27:32,337 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=529, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=702, PETRI_PLACES=92, PETRI_TRANSITIONS=61} [2023-09-01 05:27:32,338 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 59 predicate places. [2023-09-01 05:27:32,338 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 61 transitions, 702 flow [2023-09-01 05:27:32,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 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) [2023-09-01 05:27:32,339 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:32,339 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:32,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-09-01 05:27:32,339 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:32,340 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:32,340 INFO L85 PathProgramCache]: Analyzing trace with hash 995966615, now seen corresponding path program 1 times [2023-09-01 05:27:32,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:32,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448393059] [2023-09-01 05:27:32,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:32,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:32,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:32,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:32,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448393059] [2023-09-01 05:27:32,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448393059] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:32,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:32,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-09-01 05:27:32,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736515524] [2023-09-01 05:27:32,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:32,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-09-01 05:27:32,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:32,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-09-01 05:27:32,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-09-01 05:27:33,636 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-09-01 05:27:33,637 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 61 transitions, 702 flow. Second operand has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:33,637 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:33,638 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-09-01 05:27:33,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:33,914 INFO L130 PetriNetUnfolder]: 80/262 cut-off events. [2023-09-01 05:27:33,915 INFO L131 PetriNetUnfolder]: For 1511/1511 co-relation queries the response was YES. [2023-09-01 05:27:33,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1398 conditions, 262 events. 80/262 cut-off events. For 1511/1511 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1296 event pairs, 36 based on Foata normal form. 4/266 useless extension candidates. Maximal degree in co-relation 1188. Up to 145 conditions per place. [2023-09-01 05:27:33,917 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 58 selfloop transitions, 36 changer transitions 0/94 dead transitions. [2023-09-01 05:27:33,917 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 94 transitions, 1168 flow [2023-09-01 05:27:33,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-01 05:27:33,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-09-01 05:27:33,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1336 transitions. [2023-09-01 05:27:33,920 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41490683229813663 [2023-09-01 05:27:33,920 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1336 transitions. [2023-09-01 05:27:33,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1336 transitions. [2023-09-01 05:27:33,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:33,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1336 transitions. [2023-09-01 05:27:33,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 133.6) internal successors, (1336), 10 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:33,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:33,926 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:33,926 INFO L175 Difference]: Start difference. First operand has 92 places, 61 transitions, 702 flow. Second operand 10 states and 1336 transitions. [2023-09-01 05:27:33,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 94 transitions, 1168 flow [2023-09-01 05:27:33,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 94 transitions, 1148 flow, removed 8 selfloop flow, removed 1 redundant places. [2023-09-01 05:27:33,934 INFO L231 Difference]: Finished difference. Result has 106 places, 74 transitions, 1009 flow [2023-09-01 05:27:33,934 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1009, PETRI_PLACES=106, PETRI_TRANSITIONS=74} [2023-09-01 05:27:33,935 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 73 predicate places. [2023-09-01 05:27:33,935 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 74 transitions, 1009 flow [2023-09-01 05:27:33,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:33,936 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:33,936 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:33,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-09-01 05:27:33,936 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:33,936 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:33,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1598410417, now seen corresponding path program 2 times [2023-09-01 05:27:33,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:33,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626535778] [2023-09-01 05:27:33,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:33,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:34,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:34,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:34,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626535778] [2023-09-01 05:27:34,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626535778] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:34,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:34,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-09-01 05:27:34,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717161707] [2023-09-01 05:27:34,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:34,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-09-01 05:27:34,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:34,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-09-01 05:27:34,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-09-01 05:27:35,131 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-09-01 05:27:35,132 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 74 transitions, 1009 flow. Second operand has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:35,132 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:35,132 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-09-01 05:27:35,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:35,482 INFO L130 PetriNetUnfolder]: 87/299 cut-off events. [2023-09-01 05:27:35,483 INFO L131 PetriNetUnfolder]: For 2190/2190 co-relation queries the response was YES. [2023-09-01 05:27:35,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1754 conditions, 299 events. 87/299 cut-off events. For 2190/2190 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1629 event pairs, 29 based on Foata normal form. 4/303 useless extension candidates. Maximal degree in co-relation 1499. Up to 153 conditions per place. [2023-09-01 05:27:35,485 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 62 selfloop transitions, 51 changer transitions 0/113 dead transitions. [2023-09-01 05:27:35,485 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 113 transitions, 1576 flow [2023-09-01 05:27:35,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-09-01 05:27:35,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-09-01 05:27:35,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1606 transitions. [2023-09-01 05:27:35,488 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41563146997929606 [2023-09-01 05:27:35,488 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1606 transitions. [2023-09-01 05:27:35,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1606 transitions. [2023-09-01 05:27:35,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:35,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1606 transitions. [2023-09-01 05:27:35,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 133.83333333333334) internal successors, (1606), 12 states have internal predecessors, (1606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:35,495 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 322.0) internal successors, (4186), 13 states have internal predecessors, (4186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:35,495 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 322.0) internal successors, (4186), 13 states have internal predecessors, (4186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:35,496 INFO L175 Difference]: Start difference. First operand has 106 places, 74 transitions, 1009 flow. Second operand 12 states and 1606 transitions. [2023-09-01 05:27:35,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 113 transitions, 1576 flow [2023-09-01 05:27:35,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 113 transitions, 1553 flow, removed 9 selfloop flow, removed 2 redundant places. [2023-09-01 05:27:35,506 INFO L231 Difference]: Finished difference. Result has 119 places, 92 transitions, 1405 flow [2023-09-01 05:27:35,506 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=986, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1405, PETRI_PLACES=119, PETRI_TRANSITIONS=92} [2023-09-01 05:27:35,507 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 86 predicate places. [2023-09-01 05:27:35,507 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 92 transitions, 1405 flow [2023-09-01 05:27:35,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:35,507 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:35,508 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:35,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-09-01 05:27:35,508 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:35,508 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:35,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1495720830, now seen corresponding path program 4 times [2023-09-01 05:27:35,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:35,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543081513] [2023-09-01 05:27:35,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:35,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:36,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:36,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543081513] [2023-09-01 05:27:36,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543081513] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:36,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:36,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:27:36,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027092326] [2023-09-01 05:27:36,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:36,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:27:36,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:36,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:27:36,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:27:37,058 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-09-01 05:27:37,059 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 92 transitions, 1405 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 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) [2023-09-01 05:27:37,059 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:37,059 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-09-01 05:27:37,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:37,619 INFO L130 PetriNetUnfolder]: 90/324 cut-off events. [2023-09-01 05:27:37,620 INFO L131 PetriNetUnfolder]: For 3112/3112 co-relation queries the response was YES. [2023-09-01 05:27:37,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2024 conditions, 324 events. 90/324 cut-off events. For 3112/3112 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1841 event pairs, 23 based on Foata normal form. 12/336 useless extension candidates. Maximal degree in co-relation 1842. Up to 80 conditions per place. [2023-09-01 05:27:37,623 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 54 selfloop transitions, 54 changer transitions 14/122 dead transitions. [2023-09-01 05:27:37,623 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 122 transitions, 1856 flow [2023-09-01 05:27:37,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-09-01 05:27:37,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-09-01 05:27:37,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1995 transitions. [2023-09-01 05:27:37,628 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41304347826086957 [2023-09-01 05:27:37,628 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1995 transitions. [2023-09-01 05:27:37,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1995 transitions. [2023-09-01 05:27:37,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:37,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1995 transitions. [2023-09-01 05:27:37,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 133.0) internal successors, (1995), 15 states have internal predecessors, (1995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:37,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 322.0) internal successors, (5152), 16 states have internal predecessors, (5152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:37,637 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 322.0) internal successors, (5152), 16 states have internal predecessors, (5152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:37,637 INFO L175 Difference]: Start difference. First operand has 119 places, 92 transitions, 1405 flow. Second operand 15 states and 1995 transitions. [2023-09-01 05:27:37,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 122 transitions, 1856 flow [2023-09-01 05:27:37,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 122 transitions, 1768 flow, removed 19 selfloop flow, removed 4 redundant places. [2023-09-01 05:27:37,655 INFO L231 Difference]: Finished difference. Result has 134 places, 86 transitions, 1391 flow [2023-09-01 05:27:37,655 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=1246, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1391, PETRI_PLACES=134, PETRI_TRANSITIONS=86} [2023-09-01 05:27:37,656 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 101 predicate places. [2023-09-01 05:27:37,656 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 86 transitions, 1391 flow [2023-09-01 05:27:37,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 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) [2023-09-01 05:27:37,657 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:37,657 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:37,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-09-01 05:27:37,657 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:37,657 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:37,658 INFO L85 PathProgramCache]: Analyzing trace with hash 951321150, now seen corresponding path program 5 times [2023-09-01 05:27:37,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:37,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588899638] [2023-09-01 05:27:37,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:37,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:38,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:38,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:38,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588899638] [2023-09-01 05:27:38,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588899638] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:38,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:38,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:27:38,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950797274] [2023-09-01 05:27:38,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:38,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:27:38,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:38,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:27:38,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:27:39,116 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-09-01 05:27:39,117 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 86 transitions, 1391 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 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) [2023-09-01 05:27:39,117 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:39,118 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-09-01 05:27:39,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:39,456 INFO L130 PetriNetUnfolder]: 74/268 cut-off events. [2023-09-01 05:27:39,456 INFO L131 PetriNetUnfolder]: For 3044/3044 co-relation queries the response was YES. [2023-09-01 05:27:39,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1806 conditions, 268 events. 74/268 cut-off events. For 3044/3044 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1427 event pairs, 18 based on Foata normal form. 8/276 useless extension candidates. Maximal degree in co-relation 1752. Up to 85 conditions per place. [2023-09-01 05:27:39,459 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 45 selfloop transitions, 52 changer transitions 0/97 dead transitions. [2023-09-01 05:27:39,459 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 97 transitions, 1602 flow [2023-09-01 05:27:39,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-01 05:27:39,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-09-01 05:27:39,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1336 transitions. [2023-09-01 05:27:39,462 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41490683229813663 [2023-09-01 05:27:39,462 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1336 transitions. [2023-09-01 05:27:39,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1336 transitions. [2023-09-01 05:27:39,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:39,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1336 transitions. [2023-09-01 05:27:39,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 133.6) internal successors, (1336), 10 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:39,468 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:39,469 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:39,469 INFO L175 Difference]: Start difference. First operand has 134 places, 86 transitions, 1391 flow. Second operand 10 states and 1336 transitions. [2023-09-01 05:27:39,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 97 transitions, 1602 flow [2023-09-01 05:27:39,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 97 transitions, 1398 flow, removed 36 selfloop flow, removed 16 redundant places. [2023-09-01 05:27:39,485 INFO L231 Difference]: Finished difference. Result has 124 places, 84 transitions, 1270 flow [2023-09-01 05:27:39,486 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=1160, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1270, PETRI_PLACES=124, PETRI_TRANSITIONS=84} [2023-09-01 05:27:39,486 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 91 predicate places. [2023-09-01 05:27:39,486 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 84 transitions, 1270 flow [2023-09-01 05:27:39,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 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) [2023-09-01 05:27:39,487 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:39,487 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:39,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-09-01 05:27:39,487 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:39,488 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:39,488 INFO L85 PathProgramCache]: Analyzing trace with hash -316975433, now seen corresponding path program 3 times [2023-09-01 05:27:39,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:39,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094331909] [2023-09-01 05:27:39,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:39,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:39,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:39,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:39,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094331909] [2023-09-01 05:27:39,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094331909] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:39,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:39,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-09-01 05:27:39,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006288561] [2023-09-01 05:27:39,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:39,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-09-01 05:27:39,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:39,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-09-01 05:27:39,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-09-01 05:27:40,442 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 322 [2023-09-01 05:27:40,443 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 84 transitions, 1270 flow. Second operand has 10 states, 10 states have (on average 136.4) internal successors, (1364), 10 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:40,444 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:40,444 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 322 [2023-09-01 05:27:40,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:40,751 INFO L130 PetriNetUnfolder]: 58/254 cut-off events. [2023-09-01 05:27:40,751 INFO L131 PetriNetUnfolder]: For 2520/2521 co-relation queries the response was YES. [2023-09-01 05:27:40,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1695 conditions, 254 events. 58/254 cut-off events. For 2520/2521 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1469 event pairs, 17 based on Foata normal form. 5/259 useless extension candidates. Maximal degree in co-relation 1486. Up to 110 conditions per place. [2023-09-01 05:27:40,754 INFO L137 encePairwiseOnDemand]: 312/322 looper letters, 40 selfloop transitions, 51 changer transitions 10/102 dead transitions. [2023-09-01 05:27:40,754 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 102 transitions, 1592 flow [2023-09-01 05:27:40,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-01 05:27:40,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-09-01 05:27:40,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1803 transitions. [2023-09-01 05:27:40,757 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4307214524605829 [2023-09-01 05:27:40,757 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1803 transitions. [2023-09-01 05:27:40,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1803 transitions. [2023-09-01 05:27:40,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:40,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1803 transitions. [2023-09-01 05:27:40,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 138.69230769230768) internal successors, (1803), 13 states have internal predecessors, (1803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:40,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 322.0) internal successors, (4508), 14 states have internal predecessors, (4508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:40,768 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 322.0) internal successors, (4508), 14 states have internal predecessors, (4508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:40,768 INFO L175 Difference]: Start difference. First operand has 124 places, 84 transitions, 1270 flow. Second operand 13 states and 1803 transitions. [2023-09-01 05:27:40,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 102 transitions, 1592 flow [2023-09-01 05:27:40,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 102 transitions, 1488 flow, removed 5 selfloop flow, removed 7 redundant places. [2023-09-01 05:27:40,781 INFO L231 Difference]: Finished difference. Result has 131 places, 83 transitions, 1277 flow [2023-09-01 05:27:40,781 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=1175, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1277, PETRI_PLACES=131, PETRI_TRANSITIONS=83} [2023-09-01 05:27:40,783 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 98 predicate places. [2023-09-01 05:27:40,784 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 83 transitions, 1277 flow [2023-09-01 05:27:40,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 136.4) internal successors, (1364), 10 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:40,784 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:40,785 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:40,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-09-01 05:27:40,785 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:40,785 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:40,785 INFO L85 PathProgramCache]: Analyzing trace with hash 741014357, now seen corresponding path program 4 times [2023-09-01 05:27:40,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:40,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382460897] [2023-09-01 05:27:40,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:40,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:41,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:41,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:41,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382460897] [2023-09-01 05:27:41,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382460897] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:41,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:41,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:27:41,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698024511] [2023-09-01 05:27:41,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:41,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:27:41,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:41,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:27:41,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:27:42,142 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 322 [2023-09-01 05:27:42,143 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 83 transitions, 1277 flow. Second operand has 13 states, 13 states have (on average 129.15384615384616) internal successors, (1679), 13 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:42,143 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:42,143 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 322 [2023-09-01 05:27:42,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:42,434 INFO L130 PetriNetUnfolder]: 71/271 cut-off events. [2023-09-01 05:27:42,435 INFO L131 PetriNetUnfolder]: For 2447/2447 co-relation queries the response was YES. [2023-09-01 05:27:42,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1708 conditions, 271 events. 71/271 cut-off events. For 2447/2447 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1490 event pairs, 23 based on Foata normal form. 12/283 useless extension candidates. Maximal degree in co-relation 1615. Up to 97 conditions per place. [2023-09-01 05:27:42,437 INFO L137 encePairwiseOnDemand]: 312/322 looper letters, 40 selfloop transitions, 45 changer transitions 12/97 dead transitions. [2023-09-01 05:27:42,438 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 97 transitions, 1555 flow [2023-09-01 05:27:42,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-01 05:27:42,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-09-01 05:27:42,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1321 transitions. [2023-09-01 05:27:42,440 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41024844720496895 [2023-09-01 05:27:42,441 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1321 transitions. [2023-09-01 05:27:42,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1321 transitions. [2023-09-01 05:27:42,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:42,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1321 transitions. [2023-09-01 05:27:42,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 132.1) internal successors, (1321), 10 states have internal predecessors, (1321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:42,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:42,446 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:42,447 INFO L175 Difference]: Start difference. First operand has 131 places, 83 transitions, 1277 flow. Second operand 10 states and 1321 transitions. [2023-09-01 05:27:42,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 97 transitions, 1555 flow [2023-09-01 05:27:42,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 97 transitions, 1462 flow, removed 6 selfloop flow, removed 11 redundant places. [2023-09-01 05:27:42,459 INFO L231 Difference]: Finished difference. Result has 130 places, 75 transitions, 1175 flow [2023-09-01 05:27:42,459 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=1171, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1175, PETRI_PLACES=130, PETRI_TRANSITIONS=75} [2023-09-01 05:27:42,460 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 97 predicate places. [2023-09-01 05:27:42,460 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 75 transitions, 1175 flow [2023-09-01 05:27:42,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.15384615384616) internal successors, (1679), 13 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:42,460 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:42,461 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:42,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-09-01 05:27:42,461 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:42,461 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:42,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1824687753, now seen corresponding path program 5 times [2023-09-01 05:27:42,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:42,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025001587] [2023-09-01 05:27:42,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:42,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:43,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:43,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:43,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025001587] [2023-09-01 05:27:43,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025001587] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:43,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:43,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-09-01 05:27:43,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613945545] [2023-09-01 05:27:43,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:43,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-09-01 05:27:43,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:43,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-09-01 05:27:43,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-09-01 05:27:43,571 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-09-01 05:27:43,572 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 75 transitions, 1175 flow. Second operand has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:43,572 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:43,573 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-09-01 05:27:43,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:43,833 INFO L130 PetriNetUnfolder]: 57/229 cut-off events. [2023-09-01 05:27:43,834 INFO L131 PetriNetUnfolder]: For 2260/2260 co-relation queries the response was YES. [2023-09-01 05:27:43,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1510 conditions, 229 events. 57/229 cut-off events. For 2260/2260 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1195 event pairs, 30 based on Foata normal form. 4/233 useless extension candidates. Maximal degree in co-relation 1316. Up to 152 conditions per place. [2023-09-01 05:27:43,836 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 53 selfloop transitions, 18 changer transitions 18/89 dead transitions. [2023-09-01 05:27:43,836 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 89 transitions, 1413 flow [2023-09-01 05:27:43,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-01 05:27:43,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-09-01 05:27:43,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1333 transitions. [2023-09-01 05:27:43,839 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4139751552795031 [2023-09-01 05:27:43,839 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1333 transitions. [2023-09-01 05:27:43,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1333 transitions. [2023-09-01 05:27:43,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:43,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1333 transitions. [2023-09-01 05:27:43,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 133.3) internal successors, (1333), 10 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:43,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:43,845 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:43,845 INFO L175 Difference]: Start difference. First operand has 130 places, 75 transitions, 1175 flow. Second operand 10 states and 1333 transitions. [2023-09-01 05:27:43,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 89 transitions, 1413 flow [2023-09-01 05:27:43,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 89 transitions, 1303 flow, removed 1 selfloop flow, removed 11 redundant places. [2023-09-01 05:27:43,855 INFO L231 Difference]: Finished difference. Result has 126 places, 66 transitions, 957 flow [2023-09-01 05:27:43,856 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=1065, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=957, PETRI_PLACES=126, PETRI_TRANSITIONS=66} [2023-09-01 05:27:43,856 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 93 predicate places. [2023-09-01 05:27:43,856 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 66 transitions, 957 flow [2023-09-01 05:27:43,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:43,857 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:43,857 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:43,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-09-01 05:27:43,858 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:43,858 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:43,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1686500549, now seen corresponding path program 6 times [2023-09-01 05:27:43,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:43,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551404422] [2023-09-01 05:27:43,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:43,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:44,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:44,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:44,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551404422] [2023-09-01 05:27:44,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551404422] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:44,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:44,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:27:44,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199693604] [2023-09-01 05:27:44,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:44,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:27:44,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:44,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:27:44,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:27:45,281 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 322 [2023-09-01 05:27:45,282 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 66 transitions, 957 flow. Second operand has 13 states, 13 states have (on average 129.15384615384616) internal successors, (1679), 13 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:45,282 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:45,282 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 322 [2023-09-01 05:27:45,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:45,658 INFO L130 PetriNetUnfolder]: 47/192 cut-off events. [2023-09-01 05:27:45,658 INFO L131 PetriNetUnfolder]: For 1666/1666 co-relation queries the response was YES. [2023-09-01 05:27:45,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1233 conditions, 192 events. 47/192 cut-off events. For 1666/1666 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 931 event pairs, 27 based on Foata normal form. 4/196 useless extension candidates. Maximal degree in co-relation 1178. Up to 84 conditions per place. [2023-09-01 05:27:45,660 INFO L137 encePairwiseOnDemand]: 312/322 looper letters, 31 selfloop transitions, 32 changer transitions 16/79 dead transitions. [2023-09-01 05:27:45,660 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 79 transitions, 1179 flow [2023-09-01 05:27:45,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-01 05:27:45,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-09-01 05:27:45,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1320 transitions. [2023-09-01 05:27:45,663 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40993788819875776 [2023-09-01 05:27:45,663 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1320 transitions. [2023-09-01 05:27:45,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1320 transitions. [2023-09-01 05:27:45,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:45,663 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1320 transitions. [2023-09-01 05:27:45,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 132.0) internal successors, (1320), 10 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:45,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:45,669 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:45,669 INFO L175 Difference]: Start difference. First operand has 126 places, 66 transitions, 957 flow. Second operand 10 states and 1320 transitions. [2023-09-01 05:27:45,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 79 transitions, 1179 flow [2023-09-01 05:27:45,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 79 transitions, 1069 flow, removed 8 selfloop flow, removed 15 redundant places. [2023-09-01 05:27:45,677 INFO L231 Difference]: Finished difference. Result has 116 places, 59 transitions, 827 flow [2023-09-01 05:27:45,677 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=827, PETRI_PLACES=116, PETRI_TRANSITIONS=59} [2023-09-01 05:27:45,678 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 83 predicate places. [2023-09-01 05:27:45,678 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 59 transitions, 827 flow [2023-09-01 05:27:45,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.15384615384616) internal successors, (1679), 13 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:45,679 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:45,679 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:45,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-09-01 05:27:45,679 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:45,679 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:45,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1152105749, now seen corresponding path program 7 times [2023-09-01 05:27:45,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:45,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328836479] [2023-09-01 05:27:45,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:45,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:46,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:46,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:46,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328836479] [2023-09-01 05:27:46,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328836479] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:46,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:46,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-09-01 05:27:46,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614155940] [2023-09-01 05:27:46,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:46,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-09-01 05:27:46,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:46,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-09-01 05:27:46,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-09-01 05:27:46,584 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 322 [2023-09-01 05:27:46,585 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 59 transitions, 827 flow. Second operand has 10 states, 10 states have (on average 136.4) internal successors, (1364), 10 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:46,585 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:46,585 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 322 [2023-09-01 05:27:46,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:46,750 INFO L130 PetriNetUnfolder]: 25/136 cut-off events. [2023-09-01 05:27:46,750 INFO L131 PetriNetUnfolder]: For 1382/1385 co-relation queries the response was YES. [2023-09-01 05:27:46,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 911 conditions, 136 events. 25/136 cut-off events. For 1382/1385 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 615 event pairs, 8 based on Foata normal form. 10/146 useless extension candidates. Maximal degree in co-relation 781. Up to 42 conditions per place. [2023-09-01 05:27:46,751 INFO L137 encePairwiseOnDemand]: 314/322 looper letters, 34 selfloop transitions, 9 changer transitions 27/71 dead transitions. [2023-09-01 05:27:46,751 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 71 transitions, 1033 flow [2023-09-01 05:27:46,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-01 05:27:46,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-09-01 05:27:46,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1253 transitions. [2023-09-01 05:27:46,753 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4323671497584541 [2023-09-01 05:27:46,753 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1253 transitions. [2023-09-01 05:27:46,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1253 transitions. [2023-09-01 05:27:46,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:46,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1253 transitions. [2023-09-01 05:27:46,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 139.22222222222223) internal successors, (1253), 9 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:46,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:46,759 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:46,759 INFO L175 Difference]: Start difference. First operand has 116 places, 59 transitions, 827 flow. Second operand 9 states and 1253 transitions. [2023-09-01 05:27:46,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 71 transitions, 1033 flow [2023-09-01 05:27:46,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 71 transitions, 937 flow, removed 0 selfloop flow, removed 12 redundant places. [2023-09-01 05:27:46,765 INFO L231 Difference]: Finished difference. Result has 109 places, 38 transitions, 484 flow [2023-09-01 05:27:46,765 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=708, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=484, PETRI_PLACES=109, PETRI_TRANSITIONS=38} [2023-09-01 05:27:46,765 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 76 predicate places. [2023-09-01 05:27:46,765 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 38 transitions, 484 flow [2023-09-01 05:27:46,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 136.4) internal successors, (1364), 10 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:46,766 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:46,766 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:46,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-09-01 05:27:46,766 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:46,766 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:46,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1727151721, now seen corresponding path program 8 times [2023-09-01 05:27:46,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:46,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624756434] [2023-09-01 05:27:46,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:46,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:47,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:47,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:47,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624756434] [2023-09-01 05:27:47,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624756434] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:47,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:47,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-09-01 05:27:47,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456884410] [2023-09-01 05:27:47,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:47,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-09-01 05:27:47,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:47,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-09-01 05:27:47,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-09-01 05:27:47,728 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-09-01 05:27:47,729 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 38 transitions, 484 flow. Second operand has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:47,729 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:47,729 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-09-01 05:27:47,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:47,924 INFO L130 PetriNetUnfolder]: 22/93 cut-off events. [2023-09-01 05:27:47,925 INFO L131 PetriNetUnfolder]: For 694/694 co-relation queries the response was YES. [2023-09-01 05:27:47,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 93 events. 22/93 cut-off events. For 694/694 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 314 event pairs, 9 based on Foata normal form. 4/97 useless extension candidates. Maximal degree in co-relation 539. Up to 41 conditions per place. [2023-09-01 05:27:47,925 INFO L137 encePairwiseOnDemand]: 313/322 looper letters, 23 selfloop transitions, 7 changer transitions 17/47 dead transitions. [2023-09-01 05:27:47,926 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 47 transitions, 602 flow [2023-09-01 05:27:47,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-01 05:27:47,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-09-01 05:27:47,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1325 transitions. [2023-09-01 05:27:47,928 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4114906832298137 [2023-09-01 05:27:47,928 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1325 transitions. [2023-09-01 05:27:47,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1325 transitions. [2023-09-01 05:27:47,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:47,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1325 transitions. [2023-09-01 05:27:47,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 132.5) internal successors, (1325), 10 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:47,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:47,934 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:47,934 INFO L175 Difference]: Start difference. First operand has 109 places, 38 transitions, 484 flow. Second operand 10 states and 1325 transitions. [2023-09-01 05:27:47,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 47 transitions, 602 flow [2023-09-01 05:27:47,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 47 transitions, 499 flow, removed 15 selfloop flow, removed 24 redundant places. [2023-09-01 05:27:47,937 INFO L231 Difference]: Finished difference. Result has 81 places, 26 transitions, 273 flow [2023-09-01 05:27:47,937 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=72, 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=10, PETRI_FLOW=273, PETRI_PLACES=81, PETRI_TRANSITIONS=26} [2023-09-01 05:27:47,938 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 48 predicate places. [2023-09-01 05:27:47,938 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 26 transitions, 273 flow [2023-09-01 05:27:47,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:47,938 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:47,939 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:47,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-09-01 05:27:47,939 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:47,939 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:47,939 INFO L85 PathProgramCache]: Analyzing trace with hash 429101072, now seen corresponding path program 6 times [2023-09-01 05:27:47,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:47,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031903920] [2023-09-01 05:27:47,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:47,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:48,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:48,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:48,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031903920] [2023-09-01 05:27:48,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031903920] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:48,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:48,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:27:48,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146339159] [2023-09-01 05:27:48,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:48,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:27:48,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:48,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:27:48,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:27:49,564 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-09-01 05:27:49,565 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 26 transitions, 273 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 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) [2023-09-01 05:27:49,565 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:49,565 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-09-01 05:27:49,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:49,859 INFO L130 PetriNetUnfolder]: 15/61 cut-off events. [2023-09-01 05:27:49,859 INFO L131 PetriNetUnfolder]: For 326/326 co-relation queries the response was YES. [2023-09-01 05:27:49,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 61 events. 15/61 cut-off events. For 326/326 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 153 event pairs, 8 based on Foata normal form. 4/65 useless extension candidates. Maximal degree in co-relation 301. Up to 21 conditions per place. [2023-09-01 05:27:49,859 INFO L137 encePairwiseOnDemand]: 313/322 looper letters, 20 selfloop transitions, 12 changer transitions 0/32 dead transitions. [2023-09-01 05:27:49,860 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 32 transitions, 328 flow [2023-09-01 05:27:49,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-01 05:27:49,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-09-01 05:27:49,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1448 transitions. [2023-09-01 05:27:49,863 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4088085827216262 [2023-09-01 05:27:49,863 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1448 transitions. [2023-09-01 05:27:49,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1448 transitions. [2023-09-01 05:27:49,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:49,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1448 transitions. [2023-09-01 05:27:49,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 131.63636363636363) internal successors, (1448), 11 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:49,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:49,868 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:49,868 INFO L175 Difference]: Start difference. First operand has 81 places, 26 transitions, 273 flow. Second operand 11 states and 1448 transitions. [2023-09-01 05:27:49,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 32 transitions, 328 flow [2023-09-01 05:27:49,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 32 transitions, 257 flow, removed 14 selfloop flow, removed 15 redundant places. [2023-09-01 05:27:49,870 INFO L231 Difference]: Finished difference. Result has 63 places, 25 transitions, 194 flow [2023-09-01 05:27:49,870 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=53, 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=11, PETRI_FLOW=194, PETRI_PLACES=63, PETRI_TRANSITIONS=25} [2023-09-01 05:27:49,871 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 30 predicate places. [2023-09-01 05:27:49,871 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 25 transitions, 194 flow [2023-09-01 05:27:49,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 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) [2023-09-01 05:27:49,871 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:49,871 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:49,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-09-01 05:27:49,872 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:49,872 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:49,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1539055883, now seen corresponding path program 9 times [2023-09-01 05:27:49,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:49,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283492765] [2023-09-01 05:27:49,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:49,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:50,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:50,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:50,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283492765] [2023-09-01 05:27:50,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283492765] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:50,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:50,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:27:50,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960942572] [2023-09-01 05:27:50,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:50,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:27:50,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:50,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:27:50,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:27:51,255 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 322 [2023-09-01 05:27:51,256 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 25 transitions, 194 flow. Second operand has 13 states, 13 states have (on average 129.15384615384616) internal successors, (1679), 13 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:51,257 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:51,257 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 322 [2023-09-01 05:27:51,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:51,650 INFO L130 PetriNetUnfolder]: 13/55 cut-off events. [2023-09-01 05:27:51,650 INFO L131 PetriNetUnfolder]: For 109/109 co-relation queries the response was YES. [2023-09-01 05:27:51,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 55 events. 13/55 cut-off events. For 109/109 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 125 event pairs, 4 based on Foata normal form. 4/59 useless extension candidates. Maximal degree in co-relation 188. Up to 15 conditions per place. [2023-09-01 05:27:51,651 INFO L137 encePairwiseOnDemand]: 312/322 looper letters, 10 selfloop transitions, 11 changer transitions 11/32 dead transitions. [2023-09-01 05:27:51,651 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 32 transitions, 271 flow [2023-09-01 05:27:51,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-09-01 05:27:51,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-09-01 05:27:51,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1565 transitions. [2023-09-01 05:27:51,666 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4050207039337474 [2023-09-01 05:27:51,666 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1565 transitions. [2023-09-01 05:27:51,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1565 transitions. [2023-09-01 05:27:51,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:51,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1565 transitions. [2023-09-01 05:27:51,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 130.41666666666666) internal successors, (1565), 12 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:51,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 322.0) internal successors, (4186), 13 states have internal predecessors, (4186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:51,678 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 322.0) internal successors, (4186), 13 states have internal predecessors, (4186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:51,678 INFO L175 Difference]: Start difference. First operand has 63 places, 25 transitions, 194 flow. Second operand 12 states and 1565 transitions. [2023-09-01 05:27:51,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 32 transitions, 271 flow [2023-09-01 05:27:51,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 32 transitions, 235 flow, removed 3 selfloop flow, removed 10 redundant places. [2023-09-01 05:27:51,680 INFO L231 Difference]: Finished difference. Result has 56 places, 18 transitions, 126 flow [2023-09-01 05:27:51,680 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=45, 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=126, PETRI_PLACES=56, PETRI_TRANSITIONS=18} [2023-09-01 05:27:51,682 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 23 predicate places. [2023-09-01 05:27:51,682 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 18 transitions, 126 flow [2023-09-01 05:27:51,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.15384615384616) internal successors, (1679), 13 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:51,683 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:51,683 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:51,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-09-01 05:27:51,683 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:51,683 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:51,683 INFO L85 PathProgramCache]: Analyzing trace with hash -218077558, now seen corresponding path program 7 times [2023-09-01 05:27:51,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:51,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276472409] [2023-09-01 05:27:51,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:51,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:52,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:52,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:52,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276472409] [2023-09-01 05:27:52,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276472409] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:52,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:52,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:27:52,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872682966] [2023-09-01 05:27:52,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:52,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:27:52,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:52,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:27:52,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:27:53,281 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-09-01 05:27:53,282 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 18 transitions, 126 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 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) [2023-09-01 05:27:53,282 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:53,282 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-09-01 05:27:53,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:53,491 INFO L130 PetriNetUnfolder]: 5/28 cut-off events. [2023-09-01 05:27:53,491 INFO L131 PetriNetUnfolder]: For 63/63 co-relation queries the response was YES. [2023-09-01 05:27:53,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 28 events. 5/28 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 3 based on Foata normal form. 4/32 useless extension candidates. Maximal degree in co-relation 86. Up to 13 conditions per place. [2023-09-01 05:27:53,491 INFO L137 encePairwiseOnDemand]: 314/322 looper letters, 0 selfloop transitions, 0 changer transitions 17/17 dead transitions. [2023-09-01 05:27:53,491 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 17 transitions, 125 flow [2023-09-01 05:27:53,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-01 05:27:53,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-09-01 05:27:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1178 transitions. [2023-09-01 05:27:53,498 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4064872325741891 [2023-09-01 05:27:53,498 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1178 transitions. [2023-09-01 05:27:53,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1178 transitions. [2023-09-01 05:27:53,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:53,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1178 transitions. [2023-09-01 05:27:53,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 130.88888888888889) internal successors, (1178), 9 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:53,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:53,502 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:53,503 INFO L175 Difference]: Start difference. First operand has 56 places, 18 transitions, 126 flow. Second operand 9 states and 1178 transitions. [2023-09-01 05:27:53,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 17 transitions, 125 flow [2023-09-01 05:27:53,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 17 transitions, 88 flow, removed 0 selfloop flow, removed 17 redundant places. [2023-09-01 05:27:53,503 INFO L231 Difference]: Finished difference. Result has 33 places, 0 transitions, 0 flow [2023-09-01 05:27:53,503 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=33, PETRI_TRANSITIONS=0} [2023-09-01 05:27:53,504 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 0 predicate places. [2023-09-01 05:27:53,504 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 0 transitions, 0 flow [2023-09-01 05:27:53,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 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) [2023-09-01 05:27:53,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2023-09-01 05:27:53,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2023-09-01 05:27:53,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-09-01 05:27:53,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-09-01 05:27:53,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-09-01 05:27:53,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-09-01 05:27:53,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-09-01 05:27:53,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-09-01 05:27:53,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-09-01 05:27:53,508 INFO L445 BasicCegarLoop]: Path program histogram: [9, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:53,512 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-01 05:27:53,512 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-01 05:27:53,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.09 05:27:53 BasicIcfg [2023-09-01 05:27:53,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-01 05:27:53,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-09-01 05:27:53,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-09-01 05:27:53,516 INFO L275 PluginConnector]: Witness Printer initialized [2023-09-01 05:27:53,516 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:27:05" (3/4) ... [2023-09-01 05:27:53,518 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-09-01 05:27:53,523 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2023-09-01 05:27:53,528 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-09-01 05:27:53,528 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-09-01 05:27:53,528 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-09-01 05:27:53,528 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-09-01 05:27:53,569 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-09-01 05:27:53,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-09-01 05:27:53,569 INFO L158 Benchmark]: Toolchain (without parser) took 50095.32ms. Allocated memory was 69.2MB in the beginning and 339.7MB in the end (delta: 270.5MB). Free memory was 39.7MB in the beginning and 257.2MB in the end (delta: -217.4MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2023-09-01 05:27:53,570 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 05:27:53,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 928.39ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 39.7MB in the beginning and 57.6MB in the end (delta: -17.9MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-09-01 05:27:53,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.07ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 54.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-09-01 05:27:53,570 INFO L158 Benchmark]: Boogie Preprocessor took 39.12ms. Allocated memory is still 92.3MB. Free memory was 54.3MB in the beginning and 51.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 05:27:53,571 INFO L158 Benchmark]: RCFGBuilder took 609.87ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 54.7MB in the end (delta: -3.4MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-09-01 05:27:53,571 INFO L158 Benchmark]: TraceAbstraction took 48360.86ms. Allocated memory was 92.3MB in the beginning and 339.7MB in the end (delta: 247.5MB). Free memory was 54.2MB in the beginning and 261.4MB in the end (delta: -207.2MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2023-09-01 05:27:53,574 INFO L158 Benchmark]: Witness Printer took 53.62ms. Allocated memory is still 339.7MB. Free memory was 261.4MB in the beginning and 257.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-09-01 05:27:53,576 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 928.39ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 39.7MB in the beginning and 57.6MB in the end (delta: -17.9MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.07ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 54.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.12ms. Allocated memory is still 92.3MB. Free memory was 54.3MB in the beginning and 51.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 609.87ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 54.7MB in the end (delta: -3.4MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * TraceAbstraction took 48360.86ms. Allocated memory was 92.3MB in the beginning and 339.7MB in the end (delta: 247.5MB). Free memory was 54.2MB in the beginning and 261.4MB in the end (delta: -207.2MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * Witness Printer took 53.62ms. Allocated memory is still 339.7MB. Free memory was 261.4MB in the beginning and 257.2MB 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: 7.8s, 149 PlacesBefore, 33 PlacesAfterwards, 146 TransitionsBefore, 27 TransitionsAfterwards, 3740 CoEnabledTransitionPairs, 7 FixpointIterations, 58 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 9 ConcurrentYvCompositions, 3 ChoiceCompositions, 146 TotalNumberOfCompositions, 7925 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3587, independent: 3334, independent conditional: 0, independent unconditional: 3334, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2081, independent: 2017, independent conditional: 0, independent unconditional: 2017, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3587, independent: 1317, independent conditional: 0, independent unconditional: 1317, dependent: 189, dependent conditional: 0, dependent unconditional: 189, unknown: 2081, unknown conditional: 0, unknown unconditional: 2081] , Statistics on independence cache: Total cache size (in pairs): 91, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, 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, 188 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: 48.2s, OverallIterations: 30, TraceHistogramMax: 1, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.0s, AutomataDifference: 21.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9506 SdHoareTripleChecker+Valid, 16.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7724 mSDsluCounter, 6904 SdHoareTripleChecker+Invalid, 14.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6669 mSDsCounter, 690 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27484 IncrementalHoareTripleChecker+Invalid, 28174 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 690 mSolverCounterUnsat, 235 mSDtfsCounter, 27484 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 374 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 360 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1405occurred in iteration=19, InterpolantAutomatonStates: 268, 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, 0.5s SatisfiabilityAnalysisTime, 17.2s InterpolantComputationTime, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 6366 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 30 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! [2023-09-01 05:27:53,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE